@@@F_Textfett Parts list @@@F_Text Resistors: R1, R2 = 47 kOhm R3, R4 = 4.7 kOhm R5, R6 = 100 Ohm R7 = 8.2 kOhm P1 = 47 kOhm logarithmic potentiometer P2 = 10 kOhm, linear stereo potentiometer Capacitors: C1 = 22 pF C2 = 220 nF C3 = 180 nF C4-C7 = 100 nF C8, C9 = 4.7 µF, 63 V, radial C10, C11 = 22 µF, 40 V, radial C12-C15 = 47 nF ceramic Semiconductors: D1 = LED, high efficiency Integrated circuits: IC1 = TL072CP IC2 = 7815 IC3 = 7915 Miscellaneous: K1-K6, K8-K9 = audio socket for board mounting K7 = 2-way terminal block, pitch 7.5 mm B1 = B80C1500 Tr 1 = mains transformer, 2 x 15 V secondaries, 1.5 VA
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