Magnatone ESTEY M-10 Quick start guide

DE
47K
4.7M
470Ω
WW
100K
V1-B
High Gain
Input
220K
2.7K
6
7
8
1
2
3
V1-A
Low Gain
Input
CHANNEL 1
47K
33pF
220K
.047
330K
47K
1M
Bass
470pF
120K
.0047 .0047
1M
Treble
470pF
1M
Volume
470K
.01
68K
.022
470K 100K
330K
330K
.047
47K
100pF
1
2
3
1.5K
470K
C
Tone
Boost
Bright
Mellow
D
E
47K
4.7M
470Ω
WW
100K
V2-A
High Gain
Input
120K
1
2
3
6
7
8
V2-B
Low Gain
Input
CHANNEL 2
47K
33pF
220K
.047
330K
47K
1M
Bass
470pF
120K
.0047 .0047
1M
Treble
470pF
1M
Volume
22M
.01
470K
.01
68K
.022
470K 100K
330K
330K
.047
47K
100pF
6
7
8
2.7K
270K
C
Tone
Boost
Bright
Mellow
V1
12AX7 or 7025
V2
12AX7 or 7025
STEREO
INPUT
22K
A
47K
B
C
D
F
1
2
3
6
7
8
2.2M
100K 100K
.047
.047 .0022
47K
H
1
2
3
100K 100K
.047
.047 .0022
270Ω
22K
E
G
820pF
1M
7
6
8
5K
10W
B
1µF 450V
Reverb
Spring
Assembly
270K
E
.047
1
2
3
47K
2.7K
Reverb
Footswitch
1M
Reverb
6
7
8
2.7K15K
270K
C
To
Power Amp
1
2
3
47K
47K
B
D
D
I
J
Vibrato
Footswitch
6
7
8
270K
B
1M
Vibrato
Intensity
500k
Vibrato
Speed
220K
820K 3.3M
5%
.01 .01
.02 .068
47K 330K 330K .047
8.2M 1M
.0047.0047
V4
12DW7/7247
.1
.1
820pF
MUSICAL INSTRUMENT AMPLIFIER
MODEL M-10A
66-3121
1 5 9
2 6 10
3 7 11
4 8 12
P1-S1 KEY
VARISTOR
V5
12AU7 V6
12AU7
V7
12AX7
T1
LYTIC
PS CHASSIS
AC POWER
FUSE
V3A
½ 12AX7
V3B
½ 12AX7
To
Power Amp
Modified to run both preamps through the effects circuits.
Just install a jumper from V3 pin 1 to V3 pin 6. See minor
change on Power Amp page also.
CONE BOARD
WIRE COLOR CHART
ARED YELLOW YELLOW
BWHITE RED RED
CWHITE YELLOW
DBLACK
EWHITE ORANGE
FWHITE GREEN
GWHITE GREY
HWHITE VIOLET
IWHITE BLUE
JWHITE BROWN
121
0
2
72
0
.9
65
0
.8
84
0
-1
75
0
1.6
75
0
1.2
104
0
-.5
256
90
56
86
273 266
95
70
226
6.2
0
122
0
1.1
211
0
2
V4 V5
V1 V2
V6
V3
V7
V8
V9
V10
S2 SPEAKER
S1 POWER
T2
V10 – 7189A
Power Output
V9 – 7189A
Power Output
V8 – 12AU7
Phase Inverter
V2 – 12AX7
Ch 2 1st Preamp
V3 – 12AX7
Ch 1 & 2 2nd Preamp
V1 – 12AX7
Ch 1 1st Preamp
V7 – 12AX7
Reverb Recovery
V6 – 12AU7
Reverb Driver
V4 – 12DW7
Vibrato Oscillator
V5 – 12AU7
Vibrato Modulator

MODEL M-10A
POWER SUPPLY AND POWER AMP
OFF
STANDBY
ON
ON
ANTIHUM-1
ANTIHUM-1
NOTE:
ANTIHUM FEATURE DISCONNECTED
100Ω/1W
270K
.047
270K
100K 1K
12" SPEAKER
(16 OHMS)
2
1,2
3
7
6,9
3
1,2
7
6,9
V9
V10
1
3
6
7
8
220K
5.6K
.012
1M
15K
100K
1K
V8
12AU7 7189A
C C
1M
7189A
-16V
S2 – P2
1
2
3
1
2
3
EXTERNAL
SPEAKER
10K
T2
10K:16Ω
.047
F
A
F
NEUTRALLINE
GROUND
2 AMP
SLO BLO
6.3
VAC
30uF
2K / 10W 1.5K / 1W
50uF
10K / 1W
30uF
HEATERS
40uF 40uF
R
OR
R/V
R
9 6 10 2 4 8 7 3 11 12
N/C
1
100uF
+
22K
+
12K
9 6 10 2 4 8 7 3 11 121
10K
1uF
B C D E
P1
S1
S1B
INTERLOCK
S1A
5
5
From CHNL 2 Preamp
From CHNL 1 Effects
A
.047
1M
1M
BLK (ZIP)
BRN
BLK (ZIP)
BRN BRN
BLK
BLUE
RED
RED/YEL RED/BLK
RED/WHT
Blue
Yellow
Brown
Black
Red
Modified to run both preamps through the
effects circuits. See minor change on
Preamp page also.
Combined Preamps
from Effects
220K
212V256V316V338V410V
-16V
410V
316V316V
12K resistor replaced with 8.2K and 10K pot
85
0
4
249
49
82
-15.3
-15.3
404
404
405
405
3.3

CONE BOARD
WIRE COLOR CHART
ARED YELLOW YELLOW
BWHITE RED RED
CWHITE YELLOW
DBLACK
EWHITE ORANGE
FWHITE GREEN
GWHITE GREY
HWHITE VIOLET
IWHITE BLUE
JWHITE BROWN
1 5 9
2 6 10
3 7 11
4 8 12
P1-S1 KEY
VARISTOR
MODEL M-10A
NOTES AND EXTRAS
Pot codes: 304-6532
Mfg is Stackpole
Date is 32th week of 1965
AC POWER
FUSE
T1
LYTIC
PS CHASSIS
TUBE VOLTAGE CHART
123456789
V1
V2
V3
V4
V5
V6
V7
V8
V9
121 0 2 HTR HTR 72 00.9 HTR
65 00.8 HTR HTR 84 -1.0 0HTR
75 01.2 HTR HTR 75 01.6 HTR
256 56 90 HTR HTR 104 -0.5 0HTR
273 75 86 HTR HTR 266 70 95 HTR
226 06.2 HTR HTR 226 06.2 HTR
122 01.1 HTR HTR 211 0 2 HTR
241 49 82 HTR HTR 85 0 4 HTR
-15.3 -15.3 3.3 HTR HTR 405 404 X405
V10 -15.3 -15.3 3.3 HTR HTR 405 404 X405
Voltages measured with Fluke 87 DMM referenced to chassis. All controls set to max
CCW. V4 phase shift oscillator was disabled by shorting out the 820K resistor.
V4 V5
V1 V2
V6
V3
V7
V8
V9
V10
S2 SPEAKER
S1 POWER
T2
V10 – 7189A
Power Output
V9 – 7189A
Power Output
V8 – 12AU7
Phase Inverter
V2 – 12AX7
Ch 2 1st Preamp
TUBE LOCATOR
V3 – 12AX7
Ch 1 & 2 2nd Preamp
V1 – 12AX7
Ch 1 1st Preamp
V7 – 12AX7
Reverb Recovery
V6 – 12AU7
Reverb Driver
V4 – 12DW7
Vibrato Oscillator
V5 – 12AU7
Vibrato Modulator