Audio Engineering

Power output35–50V

R9820R

C100u1F

MU2501 Q2

R2

R1 2K7

C24700 uF C34700 uF

C10.1 uFC40.1 uF

TR145–0–45V

Power in

BR1

To

ve supply



15V topreamp

0 V#2

Q3

BC416

Q1BD235

R51k0 1W

Q4

BD235

1k0

R3

R4 0R22

220 k

7815 1C1

Out 0 V In

7815 1C2

In 0V Out

C110u1F

C120u47F

C847 uF

C90u1F

C50u1F

C60u1F

C7470 uF

0 V#1

R61k0 1W

R71k5

R81k0

0 V#2

C140u1F

470 uFC13

Q5BD236

RV12k2

Bridge

Figure 5.5 : Stabilized PSU (one-half only shown).