Enclosure not stated · 5 knobs

AMT M1 preamp (SMD)

Category: Preamp / Amp-in-a-box
Controls: Gain · Vol · Low · Mid · High
Price: see vendorin stock

Order the board at PCBWay

From the vendor

AMT M1 preamp JCM-800 emulator with cab sim

use pcb`s

EQ pcb for AMT 1 series Controls PCB for AMT 1 series Switch board for AMT 1 series

Schematic

The schematic image is on the project page. Open it at PCBWay.

Parts list 77 rows

Report a wrong parse

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

Ref	Value	Normalized	Type	Notes
Resistors 36
R1	68k	68k		read from the schematic by eye
R2	1M	1M		read from the schematic by eye
R3	1k5	1.5k		read from the schematic by eye
R4	470	470		read from the schematic by eye
R5	4k3	4.3k		read from the schematic by eye
R6	150k	150k		read from the schematic by eye
R7	100k	100k		read from the schematic by eye
R9	47k	47k		read from the schematic by eye
R10	12k	12k		read from the schematic by eye
R11	1k0	1k		read from the schematic by eye
R12	390k	390k		read from the schematic by eye
R13	220k	220k		read from the schematic by eye
R14	27k	27k		read from the schematic by eye
R15	620	620		read from the schematic by eye
R16	51k	51k		read from the schematic by eye
R17	16k	16k		read from the schematic by eye
R20	220k	220k		read from the schematic by eye
R21	470	470		read from the schematic by eye
R22	10k	10k		read from the schematic by eye
R23	100	100		read from the schematic by eye
R24	100k	100k		read from the schematic by eye
R25	10k	10k		read from the schematic by eye
R26	3M	3M		read from the schematic by eye
R27	10k	10k		read from the schematic by eye
R28	12k	12k		read from the schematic by eye
R29	680k	680k		read from the schematic by eye
R30	100k	100k		read from the schematic by eye
R31	150k	150k		read from the schematic by eye
R32	6k2	6.2k		read from the schematic by eye
R33	300k	300k		read from the schematic by eye
R34	47k	47k		read from the schematic by eye
R35	12k	12k		read from the schematic by eye
R36	12k	12k		read from the schematic by eye
R37	100	100		read from the schematic by eye
R38	33	33		read from the schematic by eye
×1	1M	1M		tone stack output resistor, no designator; read from the schematic by eye
Capacitors 24
C1	100uF	100u		read from the schematic by eye
C2	224	220n		read from the schematic by eye
C3	224	220n		read from the schematic by eye
C4	153	15n		read from the schematic by eye
C5	472	4.7n		read from the schematic by eye
C6	22uF	22u		read from the schematic by eye
C7	102	1n		read from the schematic by eye
C8	473	47n		read from the schematic by eye
C9	100uF	100u		read from the schematic by eye
C10	22uF	22u		read from the schematic by eye
C11	470uF	470u		read from the schematic by eye
C12	100uF	100u		read from the schematic by eye
C13	100uF	100u		read from the schematic by eye
C14	474	470n		read from the schematic by eye
C15	103	10n		read from the schematic by eye
C16	100uF	100u		read from the schematic by eye
C17	103	10n		read from the schematic by eye
C18	102	1n		read from the schematic by eye
C19	102	1n		read from the schematic by eye
C20	102	1n		read from the schematic by eye
C21	224	220n		read from the schematic by eye
×2	473	47n		tone stack, no designator; read from the schematic by eye
×1	102	1n		tone stack, no designator; read from the schematic by eye
×1	100n	100n		supply, 50V, no designator; read from the schematic by eye
Diodes 4
D1	BAT54C	BAT54C		read from the schematic by eye
D2/D3	BAT54C	BAT54C		one dual package; read from the schematic by eye
D4	1N4148	1N4148		printed 1N148; read from the schematic by eye
×1	1N5804	1N5804		reverse-polarity protection; read from the schematic by eye
Transistors 8
T1	MMBF5458	MMBF5458		read from the schematic by eye
T2	2SK208R	2SK208R		read from the schematic by eye
T3	2SK208R	2SK208R		read from the schematic by eye
T4	2SK208R	2SK208R		read from the schematic by eye
T5	2SK208R	2SK208R		read from the schematic by eye
T6	2SK208R	2SK208R		read from the schematic by eye
T7	2SK208R	2SK208R		read from the schematic by eye
T8	2SK208R	2SK208R		read from the schematic by eye
Potentiometers 5
Gain	A100k	A100k	Potentiometer	R8; read from the schematic by eye
Vol	A500k	A500k	Potentiometer	R18; read from the schematic by eye
Low	A500k	A500k	Potentiometer	tone stack; read from the schematic by eye
Mid	B10k	B10k	Potentiometer	tone stack; read from the schematic by eye
High	B100k	B100k	Potentiometer	tone stack; read from the schematic by eye