This unit has been tested and both left and right channels are working properly. Cables and speakers are not included. 【Price Information】.
eBay
Beautiful sound AS-M7 HIFI Stereo Tube preamplifier Base on Marantz 7 Preamp original circuit
Aliexpress UK
IF YOU SEE IF - YOU KNOW WHAT IS IT!!! No power supply transformer pilot - can’t test it!! But it worth to bring it to LIFE!!!
eBay
Beautiful sound AS-M7 HIFI Stereo Tube preamplifier Base on Marantz 7 Preamp original circuit
Aliexpress UK
Type : Quadradial 4-channel preamp adaptor. Decoding : Supports matrix-encoded quadradial sources; compatible with optional decoders for SQ, QS, and other matrix systems. Audiophile Listening : Ideal for playback of quadradial albums from artists like Pink Floyd or The Moody Blues, providing precise channel separation and dynamic range.
eBay
ABSQ-Newest 6J1 Tube Preamp Amplifier Board Pre-Amp Headphone Amp 6J1 Valve Preamp Buffer Diy Kits(6J1 Tube Preamp Amplifie
Aliexpress UK
1 at approx. 10K and 1 at approx. I think the original tap was 15K. If you want 15K, then simply add a 4.7K/5K/5.1K resistor in series to the 10K tap. If you decide to leave the resistor out of the installation, then the loudness boost will be reduced.
eBay
Nobsound 5725 Valve Tube Phono Stage Preamp Stereo Audio Preamp for TV/MP3/Phone Headphone Amp w/VU Meter
Aliexpress UK
Upon testing, found the FM dial working but appears not producing as loud a sound as it should. The middle dial light bulb is out. On visual inspection of the inside components, nothing seems noticeably wrong.
eBay
HiFi Audio Preamplifier Chassis Preamp Iron Box 410x112x300MM For Cary AE-1 Preamp
Aliexpress UK
Beautiful Marantz 7T preamplifier. This is a great sounding preamp by Marantz! Includes the original box. MARANTZ 7T STEREO PREAMP. ADULT SIGN. Gain 64.5dB (MM), 22.5dB (line). Signal to noise ratio 100 dB (MM).
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Douk Audio Mini JAN5654 Vacuum Tube Phono Preamp for Turntables Phone/PC/MP3/TV Home Stereo Audio Preamp Headphone Amplifier
Aliexpress UK
Im a guy who love sound, and enjoy helping you guys if I can. Anything that was made over 20-30 years ago should be recapped. and bands replaced Your not getting its full potential, and who knows it might break next week.
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High gain Vinyl Class A single-ended 12AX7 tube preamp Vinyl Phono Amplifier MM MC Phono Preamp Tube Amplifier
Aliexpress UK
A proper restoration must replace all electrolytic capacitors on all boards. A proper rebuild requires a full recap of all PCBs. Parts for compete recap of all the electrolytic capacitors. Complete recap of all PCBs.
eBay
1set Matisse Preamp Preamplifier For Vintage Audio Amplifier
Aliexpress UK