Audiophile Headphone Amp - A1
Summary
- All parts are original and authentic. Using authentic parts is not only safe but quality and longevity are ensured, to achieve the designedt target and performance.* Uses authentic original NE5534 Opamp, with Toshiba BD139 / BD140 matched transistors, in class A amplification.It can drive 32 Ohm headphones with ease.
- Price: U$99 + shipping
Technical specifications
* Original and authentic Toshiba BD139 / BD140 transistors and NE5534 OPAMP.* Input capacitor and interstage uses Siemens film 1UF capacitor for good clarity
* Feedback capacitor uses Philips/BC, with 2x2200UF as main power supply bank
* 1% precision SMT resistor used on all the feedback and main circuit
* 1.6mm double sided PCG, 2.0 Oz copper for better power delivery
* Careful PCB layout, with single point ground for lowest noise operation
* Full ALU chassis, with copper RCA sockets
* Chassis: 185mm W, 155mm D, 65mm H
* Input AC: 220V-240V
* Headphone impedance: 32 - 600 Ohm
* Frequency response: 20Hz - 20kHz
* Weight: 2KG net
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