Hoffman Trem-O-Nator Quick start guide

Intensity
50K-RA
Reverb
100kl
Bass
250ka
100k
1
2
3
4
5
6
7
8
9
Volume
1ma
1
2
3
4
5 6
7
8
9
12a
T
S
G
Treble
250ka
1m
V2
33k
V1-2
Ground Buss
2.7k
1n4007
DBA C
V1
1
2
3
4
5
6
7
8
9
V3
V5
4
5
6
7
8
1
2
3
1.5k
4
5
6
7
8
1
2
3
1.5k
Speed
3mra
FeedBack Bias Range
Bias Tap
250p
.1
.047
+
22/50v
1.5k
+
22/50v
1.5k
100k
.022
500p
3.3m
10p
+
22/50v
1.5k
.0033
+
22/50v
1.5k
100k
220k 220k
100k/3w
1k/3w
100k
1 ohm
470/3w 470/3w
1 ohm
22k
100k
V1-7
1
2
3
4
5
6
7
8
9
V4
022921
Reverb send
To Tank Input
220k
Reverb Return to Tank Output and Foot switch jack
Vibrato Foot switch jack
RG174
Shielded
To Power
Transformer
Ground Lug
V6
470k
2.2k/3w
+
22/50v
100k
47
.047
1m
.01
.022 .022
1m
470K
.1 56k
1m
56k1k
.1
6.8k
18k/3w 18k/3w
+
47/100v
10kl
1m
OT OT
-
+
LED
Vactrol
VTL5C1
TS
G
.047
10K
Alternate connection for INT pot...
Connect hot side of pot to V3 pin 7.

6.3 VAC
5 VAC
R69
18k / 3w
R70
18k / 3w
6
8
2
4
POWER AMP, TREMOLO
and POWER SUPPLY
.047µF
R43
1m R41
1k
C25
.1
R50
1.5k
R48
220k
C24
.1
R47
220k
R40
56k
R49
1.5k R51
2.7k
R52
1Ω
R53
1Ω
R54
470/3w
R55
470/3w
SPEAKERS
6
7
8
5
8
3
4
8
5
3
4
V4-B
V6
V7
V7
5U4G
D1
1N4007
R65
10kl
R66
22k R67
100k/3 watt
C32
47uf
BIAS SUPPLY
12AX7
PHASE
INVERTER
POWER
AMPLIFIER
C
C
BA
ABD
BIAS
BIAS RANGE
R71
100
R72
100
Lamp
or
LED
NEUTRAL
LINE
GROUND
1 amp
SLO BLO
SW1
SW2
Heaters
Heaters
C34
40uf
C35
20uf
C36
20uf
C37
20uf
T1
T2 J5
Feedback
R42
56k
Optional
Standby
switch
R68
1k / 3w
+
++++
Multi Section Filter Cap
40x20x20x20 / 475v
Additional cap
Alternate connection
V3 pin 7
R26
3.3M
C13
.022
C14
10p
V3-B
R27
100k
.047µF
R32
2.2K
3W
C18
22uf
R31
1M
C17
500p Reverb Tank
4AB3C1B
C20
22uf
R35
1.5k
R33
220k
R34
100k C19
.0033 REVERB
R36
100kL
R37
470k
REVERB
FOOTSWITCH
6
161
27
38
2
3
7
8
V3-A
V2-BV2-A
R28
1.5k
C16
22uf
R20
250ka
C8
250p
C9
.1
C10
.047
R19
100k
R18
1.5k
R17
100k
V1-A
C7
22uf
R21
250ka
TREBLE
R23
1ma
VOLUME
BASS
R24
100k
R25
1.5k
C12
22uf
1
2
3
6
7
8
V1-B
12AT7
REVERB
DRIVER
12AX7
REVERB
RECOVERY
R2
33k
R1
1m
J1
12AX7
T4
022921
J7 J8
J9
B
DD D
D
Reverb channel
SW4
R22
6.8k
R29
47
Feedback
+++
++
R2
68k
R3
68k
R1
1m
HI
(1)
LO
(2)
Dual Input Jacks
J1 – J2
B
SPEED
3M-RA
3
2
1
470K
1M
10K1M
.01.022
.022
100K
TREM
FOOT
SWITCH
TREM-O-NATOR by sluckey/2deaf 434
Varies 148-345
0
Vactrol
VTL5C1
INTENSITY
50K-RA
V4A ½ 12AX7
Value changed