1590B · 2 knobs

RD Compressor

Based on the Ross Compressor / MXR Dyna Comp· 1 other board clones it

From the vendor

RD Compressor is Ross Compressor(TM) and Dynacomp(TM) sharing the same PCB. Suitable enclosures: 1590B, 125B, 1590BB

RD Compressor is Ross Compressor and Dynacomp sharing the same PCB, they are very similar and you can pick-up which one you prefer to build.

Latest version of the circuit includes an optional "Attack" control through toggle switch.

The schematic is in the vendor's build document. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Variant

Ref	Value	Normalized	Type
Resistors 19
R8	1M	1M	Resistor
R13	470K	470k	Resistor
R2	10K	10k	Resistor
R3	10K	10k	Resistor
R16	10K	10k	Resistor
R17	10K	10k	Resistor
R22	10K	10k	Resistor
R15	150K	150k	Resistor
R20	150K	150k	Resistor
R14	15K	15k	Resistor
RLED	1K	1k	Resistor
R9	1M	1M	Resistor
R11	1M	1M	Resistor
R18	1M	1M	Resistor
R19	1M	1M	Resistor
R6	27K	27k	Resistor
R21	27K	27k	Resistor
R1	4.7M	4.7M	Resistor
R5	56K	56k	Resistor
Capacitors 12
C10	10n	10n	Capacitor
C3	10n	10n	Capacitor
C7	10n	10n	Capacitor
C12	10n	10n	Capacitor
C14	10n	10n	Capacitor
C11	10u	10u	Polarized Capacitor
C15	10u	10u	Polarized Capacitor
C9	1n	1n	Capacitor
C2	1u	1u	Polarized Capacitor
C6	1u	1u	Polarized Capacitor
C8	1u	1u	Polarized Capacitor
C13	47n	47n	Capacitor
Diodes 3
D1	1N914	1N914	Fast Switching Diode
D2	1N914	1N914	Fast Switching Diode
D3	1N914	1N914	Fast Switching Diode
Transistors 5
Q1	2N3904	2N3904	NPN Transistor
Q2	2N3904	2N3904	NPN Transistor
Q3	2N3904	2N3904	NPN Transistor
Q4	2N3904	2N3904	NPN Transistor
Q5	2N3904	2N3904	NPN Transistor
ICs 1
IC1	LM3080N	LM3080N	Op Amp
Potentiometers 2
Sustain	500K REV LOG	C500k	Potentiometer
Vol	50K LOG	A50k	Potentiometer
Trimmers 1
Trim	1K/2K	1K/2K	Trimmer
LEDs 1
LED	LED	LED