Review on ποΈ TOPINCN 6J1 Vacuum Electron Tube Valve Preamp Amplifier Board Headphone Amp Parts Preamplifier Musical Fidelity Kit AC12V 0.8A" - "TOPINCN 6J1 Vacuum Electron Tube Valve Preamp Amplifier Board Headphone Amp Parts Preamplifier Kit, Musical Fidelity, AC12V 0.8A by Samantha Adams
Very disappointed with the volume and sound quality. Need circuit for debugging
I assembled it, turned it on and got a sound like a heartbeat. I have Beyerdynamic DT-990 Pro headphones with 250 ohm impedance. My high-end all-in-one audio DAC didn't have the power to drive them properly. They have about 5-8 dB less output than input and are horribly distorted. Is it possible to get a schematic to try and understand what is going on?
- Very good value for money
- For seniors
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