You Can DIY! The DH-220C MOSFET Power Amplifier - Part 1 The Circuit | audioXpress
Schematic heelllp... I understand everything about this old Peavey preamp circuit except for this. Q1 and Q2, what they do? I'm going to keep staring at the SK-3919 datasheet until someone can
Great Pre-Amp Unit for Acoustic and Cigar Box Guitars - Model EQ-7545R - C. B. Gitty Crafter Supply
Amazon.com: ATNEDCVH Mini Small Stereo Audio preamplifier, Headphone Amplifier, Gain 20dB Phono Turntable Phonograph preamp, Dual op amp NE5532 with RCA 3.5mm Input to RCA 3.5mm Output : Electronics