Pure tube I/V PCB
Best design from our 15 design IV.
You can use for: ES9038 DAC, ES9028, AKM4497…..
♥ PCB dimension: 19.5 x 19cm
♥ PCB thickness: 1.6mm, double layer,
♥ Symmetric layout design and signal paths with minimum
♥ Dedicated ground and power rails layout design.
Tube need use :
♥ Input: 2 x 12AU7
♥ Output: 2 x 6DJ8 or E88CC
♥ Cap Output: 4 x 1µF
♥ Simple R/IV
♥ Voltage gain: 3Rms (single-ended) and 6V rms (balanced)
♥ Bandwidth: 20-100KHz
♥ Frequency Flatness: 20-20KHz (+/-0.01dB)
♥ THD: 0.018%
♥ Input impedance 100K Ω
♥ Output impedance 100 Ω
♥ Two balanced inputs.
♥ Two single-ended and balanced outputs.
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