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FS: DIY B1 Preamp

DIY B1 preamp using Nelson Pass DIY B1 board with very high quality parts (Caddock MK132 resistors, input capacitor is 1uf Mundorf MKP capacitors bypassed with a 0.01uf Vishay/Roederstein MKP1837, dual PEC volume pots, and output capacitors of 1uf Obbligato Gold type/ ASC 10uf. It also has Nelson Pass tested matched Jfets installed. $175 + Shipping