49 In stock
MM/MC Phono Preamplifier
Pure Class A MM Phono Preamplifier Aluminum Alloy Case UK LP Vinyl Record with Power supply DIY
Model No: WMM-PAD18
This is a pure class A MM phono preamplifier. Built-in classic circuit, full discrete component design, aluminum alloy casing, and high cost effective.
1. Input impedance: 47K ohms
2. Gain: 80 times
3. Maximum output voltage: 6V
4. Transformer working voltage: AC 220V
5. AC voltage: 18V
Wire Connection Diagram
1. MM phono preamplifier x 1
2. AC220 to AC18V 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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