Tube Audio Stereo PreAMP PCB Grounded Grid (GG)
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Tube Audio PreAMP PCB Grounded Grid (GG)
The circuit design is referenced to Grounded Ground preamplifier which can be found in earlier wireless radio applications which require to meet high signal-to-noise ratio (SNR) and wide bandwidth requirements. For audio application, it is capable of creating high dynamic responses and quiet background which per-serves the originality of the beauty of audio signals with neglect-able distortion due to the simplicity of the circuits.
Also, thanks to the differential pairs of the input stages, it rejects most of common-mode noise and has high PSRR. This grounded grid (GG) preamplifier will not make any artifacts to the sound and play 100% originally and naturally.
Price is per piece
General Features
1. Circuit design reference to Grounded Grid tube preamplifier.
2. Three vacuum tube 12AU7 (ECC82/6N1P/6N2P).
3. Use of WIMA MKP 10 capacitors, Nichicon Audio capacitors, Dale resistors.
4. Power requirement: +/-DC200V (100mA) and +12VDC (1A)
5. PCB dimension: 130mm x 128mm
Link for more info or manual (Inform me)
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