Enclosure not stated · 3 knobs

Reverb Driver and Receiver

Schematic

Ref	Value	Normalized	Type	Notes
Resistors 7
×1	1Ω	1		driver feedback to ground; read from the schematic by eye
×2	10Ω	10		output emitter resistors; read from the schematic by eye
×3	10kΩ	10k		two mix resistors, one across the spring output; read from the schematic by eye
×2	4.7kΩ	4.7k		output stage bias; read from the schematic by eye
×2	220kΩ	220k		driver input and receiver input; read from the schematic by eye
×1	1.8kΩ	1.8k		read from the schematic by eye
×4	47kΩ	47k		three mixer inputs, one mixer feedback; read from the schematic by eye
Capacitors 7
×1	10nF	10n		read from the schematic by eye
×1	47nF	47n		read from the schematic by eye
×1	2.2nF	2.2n		read from the schematic by eye
×1	820pF	820p		read from the schematic by eye
×2	100nF	100n		read from the schematic by eye
×1	2.2uF	2.2u		electrolytic, mixer input; read from the schematic by eye
×1	100pF	100p		on the mixer output; read from the schematic by eye
Diodes 1
×2	1N4148	1N4148		read from the schematic by eye
Transistors 2
×1	BD139	BD139		NPN output; read from the schematic by eye
×1	BD140	BD140		PNP output; read from the schematic by eye
ICs 2
×1	TL071	TL071		driver op amp; read from the schematic by eye
×2	LF351	LF351		receiver and mixer op amps; read from the schematic by eye
Potentiometers 3
Reverb Mix Channel 1	B10kΩ	B10k	Potentiometer	lin.; read from the schematic by eye
Reverb Mix Channel 2	B10kΩ	B10k	Potentiometer	lin.; read from the schematic by eye
Reverb Level	A10kΩ	A10k	Potentiometer	log; read from the schematic by eye
Trimmers 1
×1	1MΩ	1M		receiver gain trim; read from the schematic by eye