{"title":"MOONRIVER","description":"\u003cp\u003eA Moonriver amplifier is a handcrafted integrated amplifier or phono preamp built in Sweden that relies on purely analogue technology rather than streaming features.\u003c\/p\u003e\n\u003cp\u003eMoonriver builds by hand in Malmö: the 404 integrated amplifier with five independent power supplies and factory-provided free slots for phono and DAC modules, the more powerful 404 Reference version with almost double the power supply capacity, and the standalone 505 hybrid phono preamp with four inputs for MM and MC cartridges. If you want to expand the 404 later, we also carry the matching internal modules – MM or MM\/MC phono module, plus SPDIF or USB DAC.\u003c\/p\u003e\n\u003cp\u003eChoosing Moonriver means deliberately choosing reduced amplifier technology without streaming or digital inputs out of the box – in exchange for the freedom to add only what you actually need, later. Well suited to anyone who already has vinyl or an external source at home and prefers understatement to a long feature list. If you want network streaming built directly into the amplifier from day one, you'll be better served by our network integrated amplifiers.\u003c\/p\u003e\n\u003cp\u003eAt HD Zürisee in Wädenswil we advise you on which Moonriver model and which upgrade fits your speakers and your source – including professional installation of the internal modules.\u003c\/p\u003e","products":[{"product_id":"moonriver-404-vollverstarker-handgefertigt-schweden","title":"Moonriver 404 Integrated Amplifier, Handmade in Sweden","description":"\u003cp\u003eThe Moonriver 404 is an integrated amplifier from Sweden built around pure analogue technology, with optional retrofittable phono and DAC modules.\u003c\/p\u003e\n\u003cp\u003e\"Fågelsång\" – birdsong – is what Moonriver Audio calls its sonic ideal, and that's the whole programme: no loud showing off, but an amplifier that steps back and lets the music do the work. It's built by hand in Malmö, with five completely separate power supplies and through-hole rather than surface-mounted components in the analogue section – effort you rarely find at this price.\u003c\/p\u003e\n\u003ch2\u003eWhy the Moonriver 404?\u003c\/h2\u003e\n\u003cp\u003eBecause it shows that understatement works in amplifier design too: a plain black front with walnut side cheeks, four large aluminium knobs, three switches – done. Behind that sits a fully discrete preamp circuit in dual-mono layout, each channel half with its own power supply and its own overload protection. The balance control and the stereo\/mono switch are details that turntable fans know to appreciate – not every integrated amp in this price class still offers that.\u003c\/p\u003e\n\u003ch2\u003eWhat you get\u003c\/h2\u003e\n\u003cp\u003eFive inputs, including slots for an optional phono module (MM or MM\/MC) and an optional SPDIF or USB DAC module – so you only retrofit what you actually need, instead of paying for a factory fit-out that gathers dust on the shelf. Plus a tape loop for anyone still recording to analogue, two pre-outs for a later expansion with an active subwoofer or an external power amp, and a recording output.\u003c\/p\u003e\n\u003ch3\u003eWho is the 404 suited for – and who isn't it for?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eStraight talk:\u003c\/strong\u003e the 404 is for anyone who wants an honest, unfussy amplifier without streaming ballast, and who values the freedom to retrofit phono or a DAC only when needed. If you expect network streaming built into the device from day one, the 404 isn't for you – that needs a separate streamer or a different model. And if your demands on the preamp stage are already at the top end, take a look at the 404 Reference straight away: more power-supply capacity, same housing, noticeably more reserves.\u003c\/p\u003e\n\u003ch2\u003eOur verdict\u003c\/h2\u003e\n\u003cp\u003eAn integrated amplifier that doesn't show off with features but wins you over with clean execution – exactly the understatement that built its reputation in the specialist press. \"Here was an amplifier that suited these values perfectly, by opening a compelling window onto your music\" – Chris Thomas, hi-fi+, June 2021. If you value modular expansion over factory fit-out, it's one of the most honest choices in its price class.\u003c\/p\u003e\n\u003ch2\u003eTechnical data – Moonriver 404\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e integrated amplifier with fully discrete preamp circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier principle:\u003c\/strong\u003e dual-mono power-amp layout, 5 independent power supplies, each with its own overload protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput power:\u003c\/strong\u003e 2 × 50 W at 8 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency range:\u003c\/strong\u003e 10 Hz – 50 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistortion (THD):\u003c\/strong\u003e 0.05%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal-to-noise ratio:\u003c\/strong\u003e 85 dB (line)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 5 analogue inputs incl. tape loop, including slots for an optional phono and USB DAC module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e 2× pre-out, 1× recording out\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e 4 aluminium knobs, 3 switches, balance control, stereo\/mono switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e steel chassis with solid walnut side cheeks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandby power draw:\u003c\/strong\u003e 22 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptionally retrofittable:\u003c\/strong\u003e phono module MM or MM\/MC, SPDIF or USB DAC module (only one digital module at a time)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W×H×D):\u003c\/strong\u003e 43 × 13.5 × 39 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 12 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e handmade in Malmö, Sweden\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years (manufacturer)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eCan I add a phono input to the Moonriver 404 later?\u003c\/h3\u003e\n\u003cp\u003eYes. The 404 has free slots from the factory for a phono module (MM or MM\/MC) and a digital module. Both can be retrofitted at any time without having to buy a new unit – our technician will fit it for you.\u003c\/p\u003e\n\u003ch3\u003eHow does the 404 differ from the 404 Reference?\u003c\/h3\u003e\n\u003cp\u003eBoth share the same housing, power and circuit concept. The Reference version brings significantly more power-supply capacity, which mainly benefits dynamics and detail resolution. If you want maximum reserves, go for the Reference.\u003c\/p\u003e\n\u003ch3\u003eCan I retrofit USB and SPDIF DAC at the same time?\u003c\/h3\u003e\n\u003cp\u003eNo, there's only one slot for a digital module. You choose USB (computer\/streamer via USB) or SPDIF (classic digital source) – both can't be fitted at the same time.\u003c\/p\u003e\n\u003ch3\u003eDoes the 404 need a subwoofer connection?\u003c\/h3\u003e\n\u003cp\u003eIt doesn't have a dedicated subwoofer output, but it does have two pre-outs. An active subwoofer with a line input can still be integrated cleanly through those – just ask us, we'll show you how.\u003c\/p\u003e\n\u003ch3\u003eWhy buy the Moonriver 404 from HD Zürisee?\u003c\/h3\u003e\n\u003cp\u003eBecause we show you which module actually suits your system before you pay for it – and take care of the fitting ourselves if needed. Call us or message us on WhatsApp, and we'll advise you in Wädenswil on speakers, cables and the right upgrade.\u003c\/p\u003e\n\u003ch2\u003eGoes well with\u003c\/h2\u003e\n\u003cp\u003eA \u003ca href=\"\/en\/collections\/plattenspieler\"\u003eturntable\u003c\/a\u003e for the retrofittable phono input, plus matching \u003ca href=\"\/en\/collections\/regallautsprecher\"\u003ebookshelf speakers\u003c\/a\u003e or \u003ca href=\"\/en\/collections\/standlautsprecher\"\u003efloorstanding speakers\u003c\/a\u003e and a clean \u003ca href=\"\/en\/collections\/kabel\"\u003espeaker cable\u003c\/a\u003e.\u003c\/p\u003e","brand":"Moonriver","offers":[{"title":"Default","offer_id":53541836489040,"sku":null,"price":3490.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0932\/3262\/8048\/files\/moonriver-404-vollverstaerker-frontansicht.jpg?v=1788515423"},{"product_id":"moonriver-404-reference-vollverstarker-referenzklasse","title":"Moonriver 404 Reference Integrated Amplifier, Reference Class","description":"\u003cp\u003eThe Moonriver 404 Reference is the reference version of the 404 integrated amplifier, with massively more power-supply capacity for noticeably more dynamics and calm in the sound.\u003c\/p\u003e\n\u003cp\u003eAlmost identical to the standard 404 on the outside – black front, walnut side cheeks, the same four knobs – it packs a different calibre on the inside: instead of 57,000 µF total capacitance, the Reference version brings 107,000 µF, of which 21,000 µF is reserved exclusively for the preamp stage. If you want to hear the difference, you don't have to guess: it's there as soon as the music turns dynamic.\u003c\/p\u003e\n\u003ch2\u003eWhy the Moonriver 404 Reference?\u003c\/h2\u003e\n\u003cp\u003eBecause it takes the philosophy of the standard 404 – honest analogue technology instead of a fireworks display of features – and follows it through consistently. WBT nextgen speaker terminals for demanding loads, relay-based signal switching with the legendary ALPS potentiometer, a soft-start circuit via a 30 A relay against inrush current spikes: details rarely found this consistently in an integrated amplifier of this price class.\u003c\/p\u003e\n\u003ch2\u003eWhat you get\u003c\/h2\u003e\n\u003cp\u003eThe same modular expandability as the standard 404 – phono module MM or MM\/MC, SPDIF or USB DAC module, each separately retrofittable – paired with a preamp stage that, thanks to its own 21,000 µF reserve, works more independently of the power-amp load. The balance control, stereo\/mono switch and tape loop remain on board unchanged.\u003c\/p\u003e\n\u003ch3\u003eWho is the 404 Reference suited for – and who isn't it for?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eStraight talk:\u003c\/strong\u003e for anyone who already knows they want a Moonriver 404 and is willing to pay extra for noticeably more power-supply reserve – for example with demanding, low-impedance speakers. If you're already happy with how the standard 404 sounds on your speakers, you don't automatically need to upgrade: the difference shows up mainly with dynamically demanding music and critical loads, not equally clearly in every combination.\u003c\/p\u003e\n\u003ch2\u003eOur verdict\u003c\/h2\u003e\n\u003cp\u003eAn integrated amplifier that combines the restraint of the standard 404 with tangible technical reserves. Jason Victor Serinus put it succinctly in his review for Stereophile (January 28, 2021): \"Whatever I played through the Moonriver 404 Reference sounded right and gave me consistent pleasure.\" If your budget allows, the Reference is the more consistent choice.\u003c\/p\u003e\n\u003ch2\u003eTechnical data – Moonriver 404 Reference\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e integrated amplifier with fully discrete preamp circuit, reference version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier principle:\u003c\/strong\u003e dual-mono power-amp layout, 5 independent power supplies, each with its own overload protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower-supply capacitance:\u003c\/strong\u003e 107,000 µF total, of which 21,000 µF exclusively for the preamp stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput power:\u003c\/strong\u003e 2 × 50 W at 8 Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency range:\u003c\/strong\u003e 10 Hz – 50 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistortion (THD):\u003c\/strong\u003e 0.05%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal-to-noise ratio:\u003c\/strong\u003e 85 dB (line)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume control:\u003c\/strong\u003e relay-based signal switching with ALPS potentiometer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInrush protection:\u003c\/strong\u003e soft-start circuit via 30 A relay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker terminals:\u003c\/strong\u003e WBT nextgen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 5 analogue inputs incl. tape loop, including slots for an optional phono and USB DAC module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs:\u003c\/strong\u003e 2× pre-out, 1× recording out\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e steel chassis with solid walnut side cheeks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandby power draw:\u003c\/strong\u003e 22 watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptionally retrofittable:\u003c\/strong\u003e phono module MM or MM\/MC, SPDIF or USB DAC module (only one digital module at a time)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W×H×D):\u003c\/strong\u003e 43 × 13.5 × 39 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 13 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e handmade in Malmö, Sweden\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years (manufacturer)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eWhat's the difference between the 404 Reference and the standard 404?\u003c\/h3\u003e\n\u003cp\u003eMainly the power-supply capacitance: 107,000 µF instead of 57,000 µF, of which 21,000 µF is exclusively for the preamp stage. On top of that come WBT nextgen terminals, relay-based volume control with an ALPS potentiometer, and a soft start via a 30 A relay. Power and the basic circuit are identical.\u003c\/p\u003e\n\u003ch3\u003eIs the surcharge over the standard 404 worth it?\u003c\/h3\u003e\n\u003cp\u003eThat depends on your speakers and your demands. With dynamically demanding music and low-impedance loads, the Reference delivers noticeably more reserve. Bring us your speaker data and we'll tell you honestly whether the difference is worth it for you.\u003c\/p\u003e\n\u003ch3\u003eCan I retrofit the phono and DAC module at the same time?\u003c\/h3\u003e\n\u003cp\u003eThe phono module, yes, plus one digital module (SPDIF or USB) as well – you just can't fit two digital modules at the same time, since there's only one slot provided for that.\u003c\/p\u003e\n\u003ch3\u003eHow heavy is the 404 Reference compared to the standard 404?\u003c\/h3\u003e\n\u003cp\u003e13 kg versus 12 kg for the standard 404 – the extra power-supply capacitance noticeably tips the scales. Housing dimensions are identical.\u003c\/p\u003e\n\u003ch3\u003eWhy buy the Moonriver 404 Reference from HD Zürisee?\u003c\/h3\u003e\n\u003cp\u003eBecause we tell you honestly whether the Reference version is worth it for your speakers, instead of automatically recommending the more expensive model. Call us or message us on WhatsApp – we'll advise you in Wädenswil on the right combination.\u003c\/p\u003e\n\u003ch2\u003eGoes well with\u003c\/h2\u003e\n\u003cp\u003eDemanding \u003ca href=\"\/en\/collections\/standlautsprecher\"\u003efloorstanding speakers\u003c\/a\u003e, a \u003ca href=\"\/en\/collections\/plattenspieler\"\u003eturntable\u003c\/a\u003e for the retrofittable phono module, and a clean \u003ca href=\"\/en\/collections\/kabel\"\u003espeaker cable\u003c\/a\u003e.\u003c\/p\u003e","brand":"Moonriver","offers":[{"title":"Default","offer_id":53541837013328,"sku":null,"price":4990.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0932\/3262\/8048\/files\/moonriver-404-reference-vollverstaerker-frontansicht.jpg?v=1788515428"},{"product_id":"moonriver-505-hybrid-phono-vorverstarker","title":"Moonriver 505 Hybrid Phono Preamplifier","description":"\u003cp\u003eThe Moonriver 505 is a standalone hybrid phono preamplifier with four inputs for MM and MC cartridges, handmade in Sweden.\u003c\/p\u003e\n\u003cp\u003e“Hybrid” means here: IC operational amplifiers for low noise combined with a discrete circuit for dynamic drive – a deliberate choice against dogmatic purism and for whatever ultimately comes out of the speakers. The focus lies especially on the midrange between 200 and 4000 Hz, where voices and most instruments live.\u003c\/p\u003e\n\u003ch2\u003eWhy the Moonriver 505?\u003c\/h2\u003e\n\u003cp\u003eBecause it gives you room for up to four cartridges at once, each one individually stored via the memory function. Twelve gain stages (six each for MM and MC), MC loading impedances from 10 to 1000 Ω plus a freely configurable option, five MM capacitance values from 100 to 680 pF – there's hardly a cartridge that can't be matched exactly with this. Plus XLR and RCA inputs and outputs, and three EQ curves: RIAA, Decca and Columbia for old 78 rpm shellac records.\u003c\/p\u003e\n\u003ch2\u003eWhat you get\u003c\/h2\u003e\n\u003cp\u003eA phono preamplifier that can serve several turntables or cartridges at once, without you having to swap cables or reset values every time you switch – the memory function remembers the setting per input. Stereo\/mono switching for mono pressings and automatic muting on source changes round out everyday use.\u003c\/p\u003e\n\u003ch3\u003eWho is the 505 suited for – and who isn't it for?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eStraight talk:\u003c\/strong\u003e for anyone with several cartridges or turntables who wants maximum flexibility in matching and gain, and for anyone who also wants to hear old 78 rpm shellac records with the correct EQ curve. If you only run a single MM cartridge and will never switch, a simpler phono stage – or a Moonriver phono module in the 404 – already gives you everything you need, and you don't have to pay for the 505's extra flexibility.\u003c\/p\u003e\n\u003ch2\u003eOur verdict\u003c\/h2\u003e\n\u003cp\u003eOne of the most flexible phono preamplifiers in its price class – and according to Chris Kelly of The Ear (22 August 2024) “a masterpiece of audio engineering”. For anyone with a demanding record collection and several cartridges, one of the most consistent choices on the market.\u003c\/p\u003e\n\u003ch2\u003eTechnical data – Moonriver 505\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e standalone hybrid phono preamplifier (IC operational amplifiers + discrete circuit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs:\u003c\/strong\u003e 4× phono, MM and MC, each individually configurable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs\/outputs:\u003c\/strong\u003e XLR and RCA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGain:\u003c\/strong\u003e 34–72 dB, 12 stages (6× MM, 6× MC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMC loading impedance:\u003c\/strong\u003e 10, 47, 100, 470, 1000 Ω plus freely configurable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMM loading impedance:\u003c\/strong\u003e 22, 47, 75 kΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMM capacitance:\u003c\/strong\u003e 100, 220, 330, 470, 680 pF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEqualization curves:\u003c\/strong\u003e RIAA, Decca, Columbia (78 rpm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e stereo\/mono switching, automatic muting, memory function per input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W×H×D):\u003c\/strong\u003e 43 × 13.5 × 39 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 12 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e handmade in Malmö, Sweden\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years (manufacturer)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eCan I run several cartridges on the 505 at the same time?\u003c\/h3\u003e\n\u003cp\u003eYes, the 505 has four phono inputs for MM and MC, each individually adjustable in gain, impedance and capacitance. The memory function remembers the setting per input, so you don't have to readjust anything when switching.\u003c\/p\u003e\n\u003ch3\u003eWhat do the Decca and Columbia curves do?\u003c\/h3\u003e\n\u003cp\u003eOlder shellac records (78 rpm) were often not cut to today's standard RIAA curve. With the additional Decca and Columbia equalization curves, you hear such pressings with the historically correct equalization instead of tonally distorted.\u003c\/p\u003e\n\u003ch3\u003eDo I need XLR cables, or is RCA enough?\u003c\/h3\u003e\n\u003cp\u003eBoth work – the 505 offers balanced XLR and unbalanced RCA inputs and outputs in parallel. XLR is especially worthwhile for longer cable runs or if your amplifier has a balanced input.\u003c\/p\u003e\n\u003ch3\u003eWhat does “hybrid” mean in the 505?\u003c\/h3\u003e\n\u003cp\u003eIt refers to the combination of low-noise IC operational amplifiers and an additional discrete circuit stage. Moonriver combines low noise with dynamic drive this way, rather than dogmatically committing to a single design approach.\u003c\/p\u003e\n\u003ch3\u003eWhy buy the Moonriver 505 at HD Zürisee?\u003c\/h3\u003e\n\u003cp\u003eBecause we show you how to set gain, impedance and capacitance exactly for your cartridges – and take care of the initial setup for you if needed. Call us or write on WhatsApp – we advise you in Wädenswil.\u003c\/p\u003e\n\u003ch2\u003eGoes well with\u003c\/h2\u003e\n\u003cp\u003eA \u003ca href=\"\/en\/collections\/plattenspieler\"\u003eturntable\u003c\/a\u003e with a matching \u003ca href=\"\/en\/collections\/tonabnehmer\"\u003ecartridge\u003c\/a\u003e and a high-quality \u003ca href=\"\/en\/collections\/kabel\"\u003ephono cable\u003c\/a\u003e.\u003c\/p\u003e","brand":"Moonriver","offers":[{"title":"Default","offer_id":53541837144400,"sku":null,"price":4990.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0932\/3262\/8048\/files\/moonriver-505-phono-vorverstaerker-frontansicht.jpg?v=1788515431"},{"product_id":"moonriver-404-spdif-dac-erweiterungsmodul","title":"Moonriver 404 SPDIF DAC Expansion Module","description":"\u003cp\u003eThe Moonriver 404 SPDIF DAC expansion module fits the Moonriver 404 or 404 Reference internally with a digital input and a high-quality D\/A converter.\u003c\/p\u003e\n\u003cp\u003eIf you want to connect a CD player, a TV or a network player with a coaxial or optical digital output, this module gives you a genuine converter right inside the amplifier – no separate DAC chassis and no extra power supply on the power strip.\u003c\/p\u003e\n\u003ch2\u003eWhy this module?\u003c\/h2\u003e\n\u003cp\u003eBecause an ESS Sabre 9000 series converter chip together with its own generously sized capacitor bank delivers clean digital playback without needing a second box in the rack. The module shares its power supply and chassis shielding with the amplifier – a separate DAC device in this class costs noticeably more.\u003c\/p\u003e\n\u003ch2\u003eWhat you get\u003c\/h2\u003e\n\u003cp\u003eA digital SPDIF input (coaxial or optical, depending on the version) supporting PCM signals up to 192 kHz\/24 bit. That comfortably covers the vast majority of CD players, TVs and older digital sources.\u003c\/p\u003e\n\u003ch3\u003eWho is the module suited for – and who isn't it for?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eStraight talk:\u003c\/strong\u003e for anyone who wants to connect a single digital source with a classic SPDIF output. If you feed your music primarily via USB from a computer or streamer, or need DSD formats, the USB DAC module serves you better – SPDIF and USB can't be installed at the same time, you choose one variant.\u003c\/p\u003e\n\u003ch2\u003eOur verdict\u003c\/h2\u003e\n\u003cp\u003eFor anyone with a digital SPDIF source, an unfussy, clean solution that doesn't overload the 404. Tell us which source you want to connect, and we'll check whether SPDIF or USB is the better choice for you.\u003c\/p\u003e\n\u003ch2\u003eTechnical data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e internal digital expansion card for Moonriver 404 \/ 404 Reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConverter chip:\u003c\/strong\u003e ESS Sabre 9000 series (ESS Sabre 9010)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital input:\u003c\/strong\u003e S\/PDIF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported format:\u003c\/strong\u003e PCM up to 192 kHz \/ 24 bit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e own capacitor bank, fed from the power supply of the 404 \/ 404 Reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e by our in-house technician\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Moonriver 404 and 404 Reference (only one digital module at a time)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years (manufacturer)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eCan I install both the SPDIF and USB DAC module at the same time?\u003c\/h3\u003e\n\u003cp\u003eNo, the 404 has only one slot for a digital module. You choose between SPDIF (classic digital sources like a CD player or TV) or USB (computer, streamer) – not both at once.\u003c\/p\u003e\n\u003ch3\u003eWhich devices can I connect via the SPDIF input?\u003c\/h3\u003e\n\u003cp\u003eAnything with a coaxial or optical digital output – classic CD players, many TVs, older network players. The module converts PCM signals up to 192 kHz\/24 bit.\u003c\/p\u003e\n\u003ch3\u003eIs the module enough for high-resolution streaming formats?\u003c\/h3\u003e\n\u003cp\u003eYes for PCM up to 192 kHz\/24 bit. For DSD playback or higher-resolution PCM formats over USB, the USB DAC module is the right choice.\u003c\/p\u003e\n\u003ch3\u003eCan I install the module myself?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires opening the amplifier. We recommend leaving that to our technician – he installs the card and checks it works with your source.\u003c\/p\u003e\n\u003ch3\u003eWhy buy the Moonriver SPDIF DAC module at HD Zürisee?\u003c\/h3\u003e\n\u003cp\u003eBecause we'll tell you beforehand whether SPDIF or USB suits your source better, and install the card properly right away. Call us or write on WhatsApp – we advise you in Wädenswil.\u003c\/p\u003e\n\u003ch2\u003eGoes well with\u003c\/h2\u003e\n\u003cp\u003eA \u003ca href=\"\/en\/collections\/cd-player\"\u003eCD player\u003c\/a\u003e or \u003ca href=\"\/en\/collections\/streamer\"\u003estreamer\u003c\/a\u003e with a digital output and a matching \u003ca href=\"\/en\/collections\/kabel\"\u003edigital cable\u003c\/a\u003e.\u003c\/p\u003e","brand":"Moonriver","offers":[{"title":"Default","offer_id":53541837701456,"sku":null,"price":590.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0932\/3262\/8048\/files\/moonriver-404-spdif-dac-erweiterungsmodul-detailansicht.jpg?v=1788532379"},{"product_id":"moonriver-404-usb-dac-erweiterungsmodul-fur-streams","title":"Moonriver 404 USB DAC Expansion Module for Streams","description":"\u003cp\u003eThe Moonriver 404 USB DAC expansion module fits the Moonriver 404 or 404 Reference internally with a USB digital input and a high-resolution D\/A converter.\u003c\/p\u003e\n\u003cp\u003eIf you feed your music from a computer, NAS or streaming transport via USB, this module gives you a fully-fledged converter right inside the amplifier – including its own XMOS interface with custom firmware and five separate power supplies on the card.\u003c\/p\u003e\n\u003ch2\u003eWhy this module?\u003c\/h2\u003e\n\u003cp\u003eBecause an ESS Sabre 9000 series converter chip together with a generous capacitor bank delivers clean, high-resolution digital playback without a second device needing to go in the rack. Five separate power supplies on the card cleanly isolate the sensitive converter section from the USB interface – effort you rarely see on a plug-in card.\u003c\/p\u003e\n\u003ch2\u003eWhat you get\u003c\/h2\u003e\n\u003cp\u003eA USB input supporting PCM signals up to 384 kHz\/24 bit and DSD up to DSD128 – enough for practically any current streaming or computer source. Once connected via USB cable, you simply select the digital source through the 404's existing input selector.\u003c\/p\u003e\n\u003ch3\u003eWho is the module suited for – and who isn't it for?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eStraight talk:\u003c\/strong\u003e for anyone who feeds their music via USB from a computer, NAS or streaming transport and also wants to use DSD formats. If you only want to connect a classic digital source with a coaxial or optical output, the cheaper SPDIF module gets you just as far – both digital modules can't be installed at the same time.\u003c\/p\u003e\n\u003ch2\u003eOur verdict\u003c\/h2\u003e\n\u003cp\u003eThe more consistent of the two digital cards for anyone who genuinely needs USB and DSD playback. Bring us your source, and together we'll check whether USB or SPDIF suits your chain better.\u003c\/p\u003e\n\u003ch2\u003eTechnical data\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e internal digital expansion card for Moonriver 404 \/ 404 Reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConverter chip:\u003c\/strong\u003e ESS Sabre 9000 series (ESS Sabre 9010)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital input:\u003c\/strong\u003e USB, XMOS interface with custom firmware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported formats:\u003c\/strong\u003e PCM up to 384 kHz \/ 24 bit, DSD up to DSD128\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e 5 separate voltage supplies on the card, fed from the power supply of the 404 \/ 404 Reference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e by our in-house technician\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Moonriver 404 and 404 Reference (only one digital module at a time)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 3 years (manufacturer)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eDoes the module support DSD playback?\u003c\/h3\u003e\n\u003cp\u003eYes, up to DSD128, plus PCM up to 384 kHz\/24 bit over USB. That covers practically any current streaming or computer source.\u003c\/p\u003e\n\u003ch3\u003eCan I install the USB and SPDIF module at the same time?\u003c\/h3\u003e\n\u003cp\u003eNo, the 404 has only one slot for a digital module. For USB sources with DSD support this module is the right choice, for classic SPDIF sources the other one is.\u003c\/p\u003e\n\u003ch3\u003eDo I need a driver for my PC?\u003c\/h3\u003e\n\u003cp\u003eThat depends on the operating system and the formats you want. We set up the module for your computer or streamer right at installation, so everything works straight away.\u003c\/p\u003e\n\u003ch3\u003eCan I install the module myself?\u003c\/h3\u003e\n\u003cp\u003eInstallation requires opening the amplifier. We recommend leaving that to our technician – he installs the card and sets it up with your source.\u003c\/p\u003e\n\u003ch3\u003eWhy buy the Moonriver USB DAC module at HD Zürisee?\u003c\/h3\u003e\n\u003cp\u003eBecause we install the card, set it up with your source and show you how to switch between inputs. Call us or write on WhatsApp – we advise you in Wädenswil.\u003c\/p\u003e\n\u003ch2\u003eGoes well with\u003c\/h2\u003e\n\u003cp\u003eA \u003ca href=\"\/en\/collections\/streamer\"\u003estreamer\u003c\/a\u003e or network player and a good \u003ca href=\"\/en\/collections\/kabel\"\u003eUSB cable\u003c\/a\u003e.\u003c\/p\u003e","brand":"Moonriver","offers":[{"title":"Default","offer_id":53541837734224,"sku":null,"price":890.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0932\/3262\/8048\/files\/moonriver-404-usb-dac-erweiterungsmodul-detailansicht.jpg?v=1788532382"}],"url":"https:\/\/hdzuerisee.ch\/en\/collections\/moonriver.oembed","provider":"HD Zürisee AG","version":"1.0","type":"link"}