{"product_id":"teac-ha-507-headphone-amplifier-black","title":"TEAC HA-507 Headphone Amplifier (Black)","description":"\u003cdiv class=\"text-content\"\u003e\n\u003cp\u003eThe HA-507 is a pure analog headphone amplifier\/preamplifier that incorporates TEAC’s premium audio technologies to achieve the highest level of sound quality. Equipped with an extensive power supply circuit, the HA-507 has exceptional headphone driving power and an extremely wide frequency response that cannot be imagined from its compact appearance.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully Balanced Dual-Mono Design\u003c\/li\u003e\n\u003cli\u003e6,700mW Balanced Headphone Output\u003c\/li\u003e\n\u003cli\u003eThree-Level Gain Control\u003c\/li\u003e\n\u003cli\u003eTEAC-QVCS Advanced Volume Control\u003c\/li\u003e\n\u003cli\u003eHeadphone Power Amplifier Mode\u003c\/li\u003e\n\u003cli\u003ePure Analog Preamplifier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFully Balanced Dual-Mono Headphone Amplifier\u003c\/h3\u003e\n\u003cp\u003eThe HA-507 employs a high-power analog amplifier circuit with exceptionally wide bandwidth and low distortion. Its fully balanced dual-mono configuration uses four amplifier elements for the left, right, positive, and negative channels.\u003c\/p\u003e\n\u003cp\u003eOriginally designed to drive full-size speakers, the amplifier delivers 6,700mW + 6,700mW at 32Ω through the balanced output. It can drive low-sensitivity and high-impedance headphones with exceptional power and musicality.\u003c\/p\u003e\n\u003ch3\u003eHeadphone Connections \u0026amp; Gain Control\u003c\/h3\u003e\n\u003cp\u003eTwo balanced outputs, including 4-pin XLR and 4.4mm Pentaconn, and two unbalanced outputs, including 6.3mm and 3.5mm connections, are provided. Gain can be switched between High, Mid, and Low to match the connected headphones.\u003c\/p\u003e\n\u003ch3\u003eHeadphone Power Amplifier Mode\u003c\/h3\u003e\n\u003cp\u003eThe HA-507 can operate as a dedicated headphone power amplifier when paired with an external preamplifier. Preamp pass-through mode bypasses its volume control while retaining gain and left\/right balance adjustment.\u003c\/p\u003e\n\u003ch3\u003eFully Balanced Dual-Mono Preamplifier\u003c\/h3\u003e\n\u003cp\u003eThe HA-507 combines TEAC’s audio design expertise with a fully balanced dual-mono configuration to provide high-quality preamplifier performance for both headphone and loudspeaker systems.\u003c\/p\u003e\n\u003ch3\u003eTEAC-QVCS Advanced Volume Control\u003c\/h3\u003e\n\u003cp\u003eTEAC-QVCS Advanced uses four independent ladder-resistor circuits for the left, right, positive, and negative channels. It provides short signal paths, precise channel balance, and smooth volume control in 0.25dB increments.\u003c\/p\u003e\n\u003ch3\u003eFlexible Analog Connectivity\u003c\/h3\u003e\n\u003cp\u003eTwo pairs of XLR inputs and two pairs of RCA inputs accommodate a variety of analog sources. FET input switching uses no mechanical contacts, helping preserve signal purity and long-term reliability.\u003c\/p\u003e\n\u003ch3\u003eTEAC-HCLD 2 Output Circuitry\u003c\/h3\u003e\n\u003cp\u003eXLR and RCA preamplifier outputs use TEAC-HCLD 2 circuitry for high-speed current transfer and powerful control of connected amplifiers and speakers.\u003c\/p\u003e\n\u003ch3\u003eIndependent Dual-Mono Power Supply\u003c\/h3\u003e\n\u003cp\u003eSeparate power supplies are used for the audio and control circuits. A large toroidal-core transformer with independent left and right windings provides 18,800μF of capacitance per channel for dynamic, responsive sound.\u003c\/p\u003e\n\u003ch3\u003eMechanical Design Focused On Sound Quality\u003c\/h3\u003e\n\u003cp\u003eThe compact aluminum chassis uses a semi-floating 2.8mm top panel and TEAC Stressless Feet to reduce unwanted vibration. Efficient fanless heat dissipation supports quiet operation.\u003c\/p\u003e\n\u003ch3\u003eHigh-Precision Controls\u003c\/h3\u003e\n\u003cp\u003eHigh-grade aluminum knobs and a motorized volume control provide precise, smooth operation from the front panel or included remote control.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"TEAC","offers":[{"title":"Default Title","offer_id":52783271870775,"sku":"185526","price":2499.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/2860\/9079\/files\/TEAC-HA-507-Pure-Analog-Headphone-Amplifier-Black-Image-01.jpg?v=1785767574","url":"https:\/\/www.worldwidestereo.com\/products\/teac-ha-507-headphone-amplifier-black","provider":"World Wide Stereo","version":"1.0","type":"link"}