Enclosure not stated

Dynacord Echocord

Category: Delay· Delay Echo and Samplers
Price: see vendor
Tags: Delay Echo and Samplers

Open the schematic at Experimentalists Anonymous

Schematic

The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.

Parts list 149 rows

Report a wrong parse

Got parts in a drawer? See what you can build with them.

Check before you build · 8 values the reader of this schematic was not sure of

R39: faint, read 51K
R56: could be 51K or 91K
R57: could be 50K or 51K
C31: 68pF or 58pF
C37: 500pF or 600pF
C52: 58pF or 68pF
C53: 4uF, faint
C45: 4,7nF, smudged

Ref	Value	Normalized	Type	Notes
Resistors 62
R1	1M	1M		read from the schematic by eye
R2	1M	1M		read from the schematic by eye
R3	510K	510k		read from the schematic by eye
R4	2M	2M		read from the schematic by eye
R5	510K	510k		read from the schematic by eye
R6	470Ω	470		read from the schematic by eye
R7	220K	220k		read from the schematic by eye
R8	220K	220k		read from the schematic by eye
R9	220K	220k		read from the schematic by eye
R10	220K	220k		read from the schematic by eye
R11	100K	100k		read from the schematic by eye
R13	100K	100k		read from the schematic by eye
R14	100K	100k		read from the schematic by eye
R15	100K	100k		read from the schematic by eye
R16	100K	100k		read from the schematic by eye
R17	150K	150k		read from the schematic by eye
R18	330K	330k		read from the schematic by eye
R19	330K	330k		read from the schematic by eye
R20	330K	330k		read from the schematic by eye
R21	220K	220k		read from the schematic by eye
R22	330K	330k		read from the schematic by eye
R23	330K	330k		read from the schematic by eye
R24	330K	330k		read from the schematic by eye
R25	330K	330k		read from the schematic by eye
R26	330K	330k		read from the schematic by eye
R27	330K	330k		read from the schematic by eye
R28	1,5K	1.5k		read from the schematic by eye
R29	470Ω	470		read from the schematic by eye
R30	220K	220k		read from the schematic by eye
R31	220K	220k		read from the schematic by eye
R32	1,5K	1.5k		read from the schematic by eye
R33	100K	100k		read from the schematic by eye
R34	1M	1M		read from the schematic by eye
R35	510K	510k		read from the schematic by eye
R36	1K	1k		read from the schematic by eye
R37	330K	330k		read from the schematic by eye
R39	51K	51k		faint, could be 5,1K; read from the schematic by eye
R40	220K	220k		read from the schematic by eye
R41	1,5K	1.5k		read from the schematic by eye
R42	220K	220k		read from the schematic by eye
R43	510K	510k		read from the schematic by eye
R44	470K	470k		read from the schematic by eye
R45	5,1M	5.1M		read from the schematic by eye
R46	100K	100k		read from the schematic by eye
R47	100K	100k		read from the schematic by eye
R48	470Ω	470		read from the schematic by eye
R49	100K	100k		read from the schematic by eye
R50	1K	1k		read from the schematic by eye
R51	100K	100k		read from the schematic by eye
R52	220K	220k		read from the schematic by eye
R53	220K	220k		read from the schematic by eye
R54	51K	51k		read from the schematic by eye
R56	91K	91k		could be 51K or 91K; read from the schematic by eye
R57	51K	51k		could be 50K or 51K; read from the schematic by eye
R58	150K	150k		read from the schematic by eye
R59	150K	150k		read from the schematic by eye
R62	51K	51k		read from the schematic by eye
R63	100K	100k		read from the schematic by eye
R64	100K	100k		read from the schematic by eye
R65	100K	100k		read from the schematic by eye
R66	5,1K	5.1k		read from the schematic by eye
R67	1,5K	1.5k		5W; read from the schematic by eye
Capacitors 56
C1	10pF	10p		read from the schematic by eye
C2	500uF	500u		electrolytic, 30/35V; read from the schematic by eye
C3	10nF	10n		read from the schematic by eye
C4	10nF	10n		read from the schematic by eye
C5	10nF	10n		read from the schematic by eye
C6	10nF	10n		read from the schematic by eye
C7	470pF	470p		read from the schematic by eye
C8	470pF	470p		read from the schematic by eye
C9	470pF	470p		read from the schematic by eye
C10	470pF	470p		read from the schematic by eye
C11	100pF	100p		read from the schematic by eye
C12	100pF	100p		read from the schematic by eye
C13	100pF	100p		read from the schematic by eye
C14	100pF	100p		read from the schematic by eye
C15	10nF	10n		read from the schematic by eye
C16	10nF	10n		read from the schematic by eye
C17	10nF	10n		read from the schematic by eye
C18	10nF	10n		read from the schematic by eye
C19	4,7nF	4.7n		read from the schematic by eye
C20	50uF	50u		electrolytic; read from the schematic by eye
C21	47nF	47n		read from the schematic by eye
C22	50uF	50u		electrolytic; read from the schematic by eye
C23	10nF	10n		read from the schematic by eye
C24	50uF	50u		electrolytic; read from the schematic by eye
C25	47nF	47n		read from the schematic by eye
C26	50uF	50u		electrolytic; read from the schematic by eye
C27	32uF	32u		electrolytic, 350/385V; read from the schematic by eye
C28a	32uF	32u		electrolytic, 450/550V, dual can with C28b; read from the schematic by eye
C28b	32uF	32u		electrolytic, dual can with C28a; read from the schematic by eye
C29	0,1uF	100n		read from the schematic by eye
C30	330pF	330p		read from the schematic by eye
C31	68pF	68p		faint, could be 58pF; read from the schematic by eye
C32	200pF	200p		read from the schematic by eye
C33	200pF	200p		read from the schematic by eye
C34	22nF	22n		read from the schematic by eye
C35	22nF	22n		read from the schematic by eye
C36	0,1uF	100n		across bias oscillator coil; read from the schematic by eye
C37	500pF	500p		could be 600pF; read from the schematic by eye
C38	50uF	50u		electrolytic; read from the schematic by eye
C39	200pF	200p		read from the schematic by eye
C40	470pF	470p		read from the schematic by eye
C41	470pF	470p		read from the schematic by eye
C42	1nF	1n		read from the schematic by eye
C43	100pF	100p		read from the schematic by eye
C44	4,7nF	4.7n		read from the schematic by eye
C45	4,7nF	4.7n		partly smudged; read from the schematic by eye
C46	470pF	470p		read from the schematic by eye
C47	100pF	100p		read from the schematic by eye
C48	100pF	100p		read from the schematic by eye
C49	100pF	100p		read from the schematic by eye
C50	100pF	100p		read from the schematic by eye
C51	4,7nF	4.7n		read from the schematic by eye
C52	58pF	58p		faint, could be 68pF; read from the schematic by eye
C53	4uF	4u		motor capacitor, faint; could be 1uF; read from the schematic by eye
C54	50nF	50n		read from the schematic by eye
C55	220pF	220p		read from the schematic by eye
Diodes 2
×2	OA61	OA61		germanium, oscillator rectifier (drawn '2: OA61'); read from the schematic by eye
×1	B30C70	B30C70		bridge rectifier, lamp/relay supply; read from the schematic by eye
Inductors 2
Dr1	DCN 654	DCN 654		choke; read from the schematic by eye
Tr3	DCN 601	DCN 601		bias/erase oscillator coil; read from the schematic by eye
Potentiometers 11
Pot1	2M	2M	Potentiometer	tone (Tonregler), channel 1; read from the schematic by eye
Pot2	2M	2M	Potentiometer	tone, channel 2; read from the schematic by eye
Pot3	2M	2M	Potentiometer	tone, channel 3; read from the schematic by eye
Pot4	2M	2M	Potentiometer	tone, channel 4; read from the schematic by eye
Pot5	A500K	A500k	Potentiometer	volume (Lautstärke) channel 1, '+Log' (log taper); read from the schematic by eye
Pot6	A500K	A500k	Potentiometer	volume channel 2, log; read from the schematic by eye
Pot7	A500K	A500k	Potentiometer	volume channel 3, log; read from the schematic by eye
Pot8	A500K	A500k	Potentiometer	volume channel 4, log; read from the schematic by eye
Pot9	A500K	A500k	Potentiometer	Klangregelung für Echo-Hall (echo tone), log, with push-pull switch; read from the schematic by eye
Nachhallstärke	B500K	B500k	Potentiometer	Pot10, reverb level, lin; read from the schematic by eye
Nachhalldauer	B500K	B500k	Potentiometer	Pot11, reverb duration, lin; read from the schematic by eye
Trimmers 5
R12	250K	250k		lin, level preset for instrument 3; read from the schematic by eye
R38	250K	250k		lin, reverb-duration level preset; read from the schematic by eye
R55	500K	500k		read from the schematic by eye
R60	500K	500k		read from the schematic by eye
R61	500K	500k		read from the schematic by eye
Switches 2
×1	SPDT	SPDT		push-pull switch on Pot9 (gezogen/gedrückt); read from the schematic by eye
×7	?	?		interlocking piano-key bank: Echo 1, Echo 2, Echo 3, Nachhall, Adagio, Presto, Aus; multi-pole; read from the schematic by eye
Other 9
Rö1	ECC83	ECC83		vacuum tube (12AX7), both triodes; read from the schematic by eye
Rö2	ECC83	ECC83		vacuum tube (12AX7); read from the schematic by eye
Rö3	ECC83	ECC83		vacuum tube (12AX7), playback preamp; read from the schematic by eye
Rö4	ECC83	ECC83		vacuum tube (12AX7); read from the schematic by eye
Rö5	ECC83	ECC83		vacuum tube (12AX7); read from the schematic by eye
Rö6	ECC82	ECC82		vacuum tube (12AU7), bias/erase oscillator; read from the schematic by eye
Rö7	EM84	EM84		magic-eye tuning indicator (6FG6); read from the schematic by eye
Tr1	1:15	1:15		microphone input transformer; read from the schematic by eye
Tr2	1:15	1:15		microphone input transformer; read from the schematic by eye