Hello.
From the 3rd Gruop Buy, here for sale one Bruno Putzey's Balanced Preamp that I'm not going to use and it's unopened and wrapped in its sealed bag.
Prices will be same than the GB:
PCB with SMD components soldered: 45€
Through Hole components (from Mouser): 30€
Total: 75€ +4% PP fees + Shipping.
Trough Hole components as follows:
C4, C7, C8, C9, C21, C23, C24, C25 10u 50V Non-Polar Panasonic SU series ECE-A1HN100U
C10, C16, C26, C27, C28, C29 22u 63V nichicon UKW1J220MDD
C12, C13, C14, C15 1200u 25V nichicon UHW1E122MPD
J1, J3, J7, J9 NEUTRIK - NC3FAH1
J2, J8 NEUTRIK - NC3MAH1
K1, K2, K3 Relay 12V 2x1A TE V23105A5003A201
R5 PTD902-2015F-A103 (linear) PTD902-2015F-A103 (linear)
U4 +15V Regulator LM7818CT
U5 -15V Regulator LM7915CT




From the 3rd Gruop Buy, here for sale one Bruno Putzey's Balanced Preamp that I'm not going to use and it's unopened and wrapped in its sealed bag.
Prices will be same than the GB:
PCB with SMD components soldered: 45€
Through Hole components (from Mouser): 30€
Total: 75€ +4% PP fees + Shipping.
Trough Hole components as follows:
C4, C7, C8, C9, C21, C23, C24, C25 10u 50V Non-Polar Panasonic SU series ECE-A1HN100U
C10, C16, C26, C27, C28, C29 22u 63V nichicon UKW1J220MDD
C12, C13, C14, C15 1200u 25V nichicon UHW1E122MPD
J1, J3, J7, J9 NEUTRIK - NC3FAH1
J2, J8 NEUTRIK - NC3MAH1
K1, K2, K3 Relay 12V 2x1A TE V23105A5003A201
R5 PTD902-2015F-A103 (linear) PTD902-2015F-A103 (linear)
U4 +15V Regulator LM7818CT
U5 -15V Regulator LM7915CT




Hello, does this use LM78XX and LM79XX regs, or are they pre regs? BTW, it sounds like the positive reg is 18V not 15.
I bought the Lm7815CT and lm7915CT that can drive 1,5A current.
If I'm not wrong regulators should be +15V or +12v.
What is 18v is the trafo to feed the system
If I'm not wrong regulators should be +15V or +12v.
What is 18v is the trafo to feed the system
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