{"product_id":"gradosignaturehp100se","title":"Grado Signature HP100 SE Open-Back Headphones","description":"\u003cp\u003eThe Grado Signature HP100 SE is an open-back over-ear headphone with a 52 mm S driver in a machined aluminium housing, hand-built in Brooklyn.\u003c\/p\u003e\n\u003cp\u003eIt's a contemporary tribute to the legendary HP1, with which Joseph Grado helped found the high-end headphone market in the early 1990s. For his 100th birthday, Grado releases it as a Special Edition – and anniversary models are otherwise often just a new sticker on old metal. Here it's the opposite.\u003c\/p\u003e\n\u003ch2\u003eWhy the HP100 SE?\u003c\/h2\u003e\n\u003cp\u003eThe 52 mm S driver was developed from scratch for this model and has since formed the basis of the entire Signature line. The specially treated aluminium housing effectively damps resonances, and the stainless-steel headband with white-stitched leather holds everything together. And as the first Grado ever, the HP100 SE got a detachable cable – a path every new Signature model has followed since.\u003c\/p\u003e\n\u003ch2\u003eWhat you hear\u003c\/h2\u003e\n\u003cp\u003eRich detail without harshness. The HP100 SE renders voices and strings very precisely, keeps transients short and builds a soundstage that extends well beyond your head. The 0.04 dB driver matching isn't a spec-sheet ornament, but the reason the centre of the stereo image stands so firmly in place. With the included G-cushions it plays airy and spacious, with the F-cushions everything moves closer and more direct.\u003c\/p\u003e\n\u003ch3\u003eWho is the HP100 SE for?\u003c\/h3\u003e\n\u003cp\u003eFor discerning listeners at home who want a neutral reference sound and sometimes like to dissect their recordings. Plain talk: open means open – with no isolation at all, your surroundings hear along and you hear your surroundings. For the train, the office or an open-plan space it's simply the wrong headphone. And if you prefer warm and smooth over precise and neutral, you're better off with the walnut-wood S950.\u003c\/p\u003e\n\u003ch2\u003eOur verdict\u003c\/h2\u003e\n\u003cp\u003eThe HP100 SE is Grado's modern reference: new driver, aluminium, detachable cable and two cushion sets in the box. A tribute to the HP1 that also points the way to where Grado is heading.\u003c\/p\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Open-back over-ear headphone (open-air, dynamic)\u003c\/li\u003e\n\u003cli\u003eSeries: Grado Signature (flagship, Special Edition)\u003c\/li\u003e\n\u003cli\u003eDriver: 52 mm S driver, newly developed\u003c\/li\u003e\n\u003cli\u003eFrequency response: 3.5 Hz – 51.5 kHz\u003c\/li\u003e\n\u003cli\u003eTotal harmonic distortion: \u0026lt; 0.1% at 100 dB\u003c\/li\u003e\n\u003cli\u003eSensitivity: 117 dB (1 mW)\u003c\/li\u003e\n\u003cli\u003eImpedance: 38 ohms\u003c\/li\u003e\n\u003cli\u003eDriver matching: 0.04 dB\u003c\/li\u003e\n\u003cli\u003eHousing: Specially treated aluminium, machined\u003c\/li\u003e\n\u003cli\u003eHeadband: Stainless steel with white-stitched leather\u003c\/li\u003e\n\u003cli\u003eEar cushions: G-cushions (fitted) and F-cushions\u003c\/li\u003e\n\u003cli\u003eCable: 12-conductor, detachable, 1.8 m (6 ft)\u003c\/li\u003e\n\u003cli\u003eHeadphone connector: 4-pin mini-XLR\u003c\/li\u003e\n\u003cli\u003eSource connector: 6.3 mm jack\u003c\/li\u003e\n\u003cli\u003eManufacturing: Hand-assembled in Brooklyn, NY\u003c\/li\u003e\n\u003cli\u003eIncluded: Headphones, detachable 12-conductor cable (mini-XLR to 6.3 mm jack), G-cushions, F-cushions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eWhat's the difference between the Grado HP100 SE and the S950?\u003c\/h3\u003e\n\u003cp\u003eThe housing material and the tuning. Both use the 52 mm S driver, but the HP100 SE sits in machined aluminium and sounds correspondingly neutral and analytical. The S950 is housed in Brazilian walnut wood, sounds a touch warmer and, at 395 grams, weighs a little less. Which material suits you better is a matter of taste, not quality.\u003c\/p\u003e\n\u003ch3\u003eWhich ear cushions come with the HP100 SE?\u003c\/h3\u003e\n\u003cp\u003eTwo sets: the large G-cushions and the smaller F-cushions. With the G-cushions the HP100 SE plays airy and spacious because the driver sits further from your ear. The F-cushions bring everything closer together, which feels more direct and punchy. So you can try two tunings at no extra cost.\u003c\/p\u003e\n\u003ch3\u003eDoes the HP100 SE work with a normal headphone output?\u003c\/h3\u003e\n\u003cp\u003eYes, electrically it's uncritical: 38 ohms impedance and 117 dB per milliwatt mean it gets enough level even from a solid headphone output. The cable ends in a 6.3 mm jack, so smaller sources need a suitable adapter. On a dedicated headphone amplifier it audibly gains in composure and bass weight.\u003c\/p\u003e\n\u003ch3\u003eWhy buy the Grado Signature HP100 SE at HD Zürisee?\u003c\/h3\u003e\n\u003cp\u003eBecause a headphone of this class needs more than a shopping cart. HD Zürisee in Wädenswil is an authorised Grado dealer; we'll discuss with you which amplifier suits the HP100 SE, which cushion suits your ear and how it compares to the S950. Call us, write to us or use WhatsApp.\u003c\/p\u003e\n\u003ch2\u003eGoes well with\u003c\/h2\u003e\n\u003cp\u003eThe matching \u003ca href=\"\/en\/collections\/kopfhorerverstarker\"\u003eheadphone amplifier\u003c\/a\u003e, a second \u003ca href=\"\/en\/collections\/kopfhoererkabel\"\u003eheadphone cable\u003c\/a\u003e and more \u003ca href=\"\/en\/collections\/kopfhorer\"\u003eheadphones\u003c\/a\u003e.\u003c\/p\u003e","brand":"Grado","offers":[{"title":"Default Title","offer_id":52989512221008,"sku":"304112","price":2789.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0932\/3262\/8048\/files\/grado-signature-hp100-se-open-back-kopfhoerer-schraegansicht.jpg?v=1785925974","url":"https:\/\/hdzuerisee.ch\/en\/products\/gradosignaturehp100se","provider":"HD Zürisee AG","version":"1.0","type":"link"}