Component List

Resistors

(default: metal film, 1%)

R1,R2 = 100 k

R3,R4 = 1 k

R5,R6 = 4k7

R7...R9 = 22 Ω

Rxa,Rxb = see text

Capacitors

C1,C2 = 1 µ, 25 V, film

C3,C4 = 470 µ, 16 V, electrolytic

C5,C6 = 100 n, 25 V

C7...C10 = 1 n, 25 V, ceramic

Semiconductors

IC1 = OPA2134

IC2,IC3 = BUF634A (see text)

Other

K1 = Headphone socket, stereo, 6.3 mm