{"product_id":"spl-hpm-dual-headphone-amp","title":"SPL HPm Dual Headphone Amp","description":"\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe output stage of the headphone amplifiers is designed as a push-pull amplifier in Class AB mode. The bipolar transistors share the amplification of the positive and negative half-waves, which produces a higher gain and a higher output voltage than in Class A operation, where only one transistor amplifies both half-waves.\u003c\/p\u003e\n\u003cp\u003eThe output stage transistors are thermally coupled and thus run particularly coherently, which contributes to a consistent and stable sound image. The power supply has a buffer circuit with low source resistance, ensuring generous current reserves even when operating low-impedance headphones. Both headphone amplifiers provide individual volume control.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch3\u003eSTEREO\/MONO\/MUTE\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe audio signal can be switched between stereo and mono. In the Mute position, the headphone\u003cbr\u003eoutputs are muted.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch3\u003ePHASE INVERSE Ø\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eWith the phase inversion switch, the phase of the left or right channel can be inverted (180°).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch3\u003eTIP: M\/S – MID OR SIDE?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eBy using the MONO and the phase invert switch in combination, it is possible to only monitor the\u003cbr\u003eM or S signal. When “Mono mode” and phase inversion is active, only the S signal is played back.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003eIf the phase inversion is switched off, the Mono signal corresponding to the M signal is played back. Separate monitoring of the M and S signals has become a standard for many mixing and mastering engineers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eInput \u0026amp; Output; balanced\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaximum input \u0026amp; output gain:\u003c\/strong\u003e \u003cspan\u003e21\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003edBu\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInput impedance:\u003c\/strong\u003e \u003cspan\u003e10\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003ekΩ\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOutput impedance: \u003c\/strong\u003e\u003cspan\u003e150\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003eΩ\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCommon mode rejection:\u003c\/strong\u003e \u003cspan\u003e\u0026gt; 82\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003edB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFrequency range (-3 dB):\u003c\/strong\u003e \u003cspan\u003e10 Hz – 100\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003ekHz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTHD \u0026amp; N (0 dBu, 10 Hz – 22 kHz):\u003c\/strong\u003e \u003cspan\u003e0.03\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003e%\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eNoise (A-weighted): \u003c\/strong\u003e\u003cspan\u003e-92.3\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003edB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDynamic range: \u003c\/strong\u003e\u003cspan\u003e113\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003edB\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003eHeadphone Outputs, 1\/4\" (6,35 mm) TRS Jacks\u003c\/h4\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e \u003cspan\u003eTip = Left, Ring = Right, Sleeve = GND\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMax output power (600 Ω): \u003c\/strong\u003e\u003cspan\u003e+18\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003edBu\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMax output power (300 Ω):\u003c\/strong\u003e \u003cspan\u003e+15\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003edBu\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMax output power (32 Ω):\u003c\/strong\u003e \u003cspan\u003e+5\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003edBu\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eDimensions \u0026amp; Weight\u003c\/h4\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eUnit weight:\u003c\/strong\u003e \u003cspan\u003e0.8\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003ekg \/ \u003c\/span\u003e\u003cspan\u003e1.76\u003c\/span\u003e\u003cspan\u003e\u003cspan\u003e \u003c\/span\u003elbs\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPL Audio","offers":[{"title":"Default Title","offer_id":50962372067583,"sku":null,"price":8370.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/1023\/7183\/files\/SPLHPmDualHeadphoneAmpFront.png?v=1794176500","url":"https:\/\/maxvanta.shop\/products\/spl-hpm-dual-headphone-amp","provider":"Clearbrook Goods","version":"1.0","type":"link"}