1× HiFi Preamp. Audio input: stereo RCA / XLR. Audio output: stereo RCA / XLR. XLR interface definition: 1GND 2+ 3-. Output impedance: 300Ω.
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Not only a MM/MC phono preamp, but also a stereo audio preamp and headphone amplifier, especially designed for the audiophiles who pursue HiFi sound. 3.5mm headphone output and perfect circuit design: T4 PLUS also with built-in classic headphone amp circuit (2 NE5532), easily to drive 32-300 ohm headphones.
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Problems can be resolved through.
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1 × Finished Preamplifier. Supports 4 stereo audio inputs and 1 output. Original precision resistors for DALE/VISHAY (USA) are used. Gain: About 10×. Audio output mute function. Input Impedance: 47K.
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Examine carefully for condition and what is included. I want to work all issues out with and for you! Carpe Diem! Know its hard to see but the internal looks very clean, so i suspect it was a chemical spill.
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MM/MC phono preamp: Converts phono signal to line level signal, low-noise integrated circuits and high-quality components are designed to ensure clear sound; with a MM/MC switch on the bottom, easy to select to match different kind of turntables. LINE and 3.5mm headphone outputs: With stereo RCA output to connect amplifiers or active speakers, greatly improve their sound quality; also adds a 3.5mm headphone jack to drive all 16-200Ω headphones, convenient to enjoy music from record players alone or at night. HiFi sound and tone control: With independent treble and bass control within -5dB to +5dB range, easy to adjust different sound styles to personal preference. With built-in power isolation circuit, no common ground noise will be generated even sharing the same power with audio players.
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ELNA Filter main capacitor. Based on the famous JC-2 amplifier circuit. Pcb size: 115mm x 94mm.
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With 3.5mm AUX input and 3.5mm headphone jack output, can be used as a headphone amp and a stereo preamp, compatible with most audio source such as MP3, ipod, phone, tablet, computer, CD player etc. and output can connect headphone, amplifier, active speaker etc. to greatly improve the sound quality.
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