29 In stock
MM/MC Phono Preamplifier
Tube Moving Magnet Advanced Phono Stage 110 Times Tubes 6J1 Vinyl LP Vacuum AC12V HIFI Audio
This is a MM advanced phono stage amplifier with 2pcs 6J1 tube, whose filament is powered by AC 12V. Since the phono stage amplifier is a front-end high-sensitivity device, it plays an important role in the final effect of the black vinyl LP system. Therefore, the single-ended class A line used in the brilliant period of audio technology. The whole unit has more than 70 parts or components, but the Analog signal circuit is quite simple, so it not only maintains its unique taste of black vinyl LP, but also has the unique tube’s vocal taste, and the distortion is very low. Let vinyl music have a stronger appeal to the listener, so that let people be please to keep listening it for a long time.
The phono stage amplifier is equipped with a pair of Beijing 6J1 tubes that I think is the most musical. If used well, it is comparable to all kinds of famous tubes like as tube 12AX7, which is not inferior. If you need to replace the tubes, please open the top cover of the case to unplug them.
- Gain: 110 times
- Maximum output: plus or minus 3V
- Power adapter input voltage: AC220V
- Power adapter output voltage: AC12V
- Size(L*W*H): 110mm * 80mm * 30mm
- Weight: 0.5kg
Wire Connection Diagram
1. Tube MM phono stage x 1
2. AC220 to AC12V power adapter x 1
Learn more about stage amplifier
Phono stage amplifier is designed for a phono signal amplification while using Turntables amplifier inside for special sound equalization circuit (RIAA) for restoring vinyl, it cannot be used for other purposes.
Method for checking noise sources
After phono player connected with the phono amplifier stage, if there is a significant low-frequency noise, you need to check in which part of the noise. First unplug the phono amplifier input signal cable to disconnect connection between them, if the low-frequency noise disappeared or significantly reduced, that may explain the noise from the phono player; obvious if the same or reduce low frequency noise , the noise it is very likely to put itself caused by phono amplifier.
It may cause a greater frequency noise that no specialized non-standard phono ground wire.
Generally, nonstandard phonograph is a turntable part of music center to cope with this set of sound designed, when external phono amplifier put to ground that could cause a large hum due to the different ground ways.
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