DIY Audio Schematics Tube Linestage Preamplifiers. The audio signal goes thru C1, R1, Audio Compressor Circuit with SSM2165 P. Marian - 09/19/2009. Tags diy, tube limiter ← The JVC 900 Digital Audio Mastering System of the early 1980s → A DIY Broadcast Limiter Project circa 1955 6 replies on “A Simple One-Tube Compressor Circuit c.1953” Mini Audio Compressor Schematic P. Marian - 09/22/2009. 4S Universal Preamplifier for 12A*7 Tubes - (Project) NEW ; 12AU7 / ECC82 / ECC802S Tube SRPP Preamp Schematic - (Project); 12AX7 Tube Hi-Fi Preamplifier Schematic - (Project); 12AU7 / ECC82 Cathode Follower Tube Preamplifier Schematic A piston compressor (also known as a reciprocating compressor) uses pistons driven by a crankshaft to deliver air at high pressure. 250+ Schematic 5-Knob Compressor Schematic 855 Drive Schematic Amp Selector Schematic Analog Delay Schematic British Blues Overdrive Schematic Chancellor Schematic Chorus Schematic Classic Overdrive Schematic Divided Octave Schematic Flanger Schematic Germanium Boost Schematic Leeds Fuzz Schematic Mosfet Boost Schemati The images with the breakdowns below display the most prominent components of the compressors. 2A as a tube booster and push your amp into smooth overdrive, simply turn the ‘Peak Reduction’ knob fully anti-clockwise. This mini audio compressor circuit use only one active component T1. Limit/Compress toggle switch alters the transfer characteristic of the compressor input/output curve, enabling PC-2A to operate as a compressor and limiter. When is in the ‘up’ position (compressor A very simple audio compressor built with SSM2165 IC.