5/27/2019
Tube Guitar Amplifier - Power Transformers (290 Series) - Hammond Mfg.
Quality Products. Service Excellence.
Tube Guitar Amplifier - Power Transformers
290 Series
REPLACEMENT & UPGRADES
Features
Designed for drop in replacement of original units.
Physically, parts were designed to look similar to original factory units (where possible).
Material used & design specs. were kept as close as possible to the original part to
preserve the stock "tone".
Fender (Power Transformers)
Part No.
VA
Primary
A.C.
High Voltage
Secondary
VAC
290AAX
290ABX
290ACX
290AX
290BAX
290BX
290BEX
290CX
290CEX
290D2X
290D2EX
290DX
290DEX
290EAZ
290EEX
290EEZ
290EX
290EZ
290EZB
290FX
290FEX
290HAX
52
76
55
94
171
138
138
161
161
260
260
190
190
358
207
211
207
206
208
368
368
86
120
120/240
120
120V
120
120
240
120
240
120
120/210/220/230/240
120
240
120
120/210/230/240
240
120
120
120
120
240
120
Hz.
60
60
60
60
60
60
60
60
60
R.M.S.
490Vct @ 90 mA
34Vct @ 95 mA
34Vct @ 100 mA
9V @ 1.25A
9V @ 1.5A
300V @ 100 mA
650/550Vct @ 100 mA
60Vct @ 2.85A
660Vct @ 138 mA
650Vct @ 180 mA
710Vct/610Vct @ 300 mA
650Vct @ 230 mA
365Vct @ 850 mA
53V Bias
50V Bias
53V Bias
50V Bias
50V @ 100 mA
60V Bias
60V Bias
50V Bias
50V Bias
50V Bias
50V Bias
50V Bias
50V Bias
50V Bias
50V Bias
50V Bias
27.5V @ 100 mA
6.3V @ 3A
6.3V @ 3A
6.3V @ 4.5A
6.3V @ 4.5A
6.3Vct @ 5A
6.3Vct @ 5A
6.3Vct @ 4A
6.3Vct @ 4A
6.3V @ 7A
6.3Vct @ 4A
6.3V @ 4A
6.3Vct @ 4A
6.3V @ 4A
6.3V @ 6A
6.5V @ 5.5A
6.5V @ 5.5A
6.3Vct @ 2.5A
5V @ 3A
5V @ 4A
5V @ 4A
5V @ 3A
5V @ 3A
5V @ 3A
5V @ 3A
5V @ 3A
5V @ 3A
5V @ 3A
5V @ 3A
VAC
VAC
VAC
6.3V @ 1.25A
6.3V @ 5A
6.6V @ 1.5A
6.3Vct @ 2.25A
5V @3A
VAC
Bias Tap on High
Voltage Secondary
Secondary #1
Filament #2
Heater #1
50/60 293.5V @ 100 mA
50/60 660Vct @ 138 mA
50/60 650Vct @ 180 mA
50/60 710Vct/610Vct @ 300 mA
50/60 650Vct @ 230 mA
50/60 660Vct @ 275 mA
50/60 660Vct @250 mA
60
60
60
60
60
660Vct @ 275 mA
640Vct @250 mA
340V @ 500 mA
640Vct @ 518 mA
550Vct @ 100 mA
50/60 640Vct @ 518 mA
https://www.hammfg.com/electronics/transformers/classic/290
1/3
5/27/2019
Part No.
VA
Primary
Tube Guitar Amplifier - Power Transformers (290 Series) - Hammond Mfg.
A.C.
High Voltage
Secondary
VAC
Hz.
60
60
60
60
60
60
60
60
60
R.M.S.
337Vct @ 1.1A
780Vct @ 400 mA
696Vct @ 500 nA
308.5V @ 250 mA
342V @ 500 mA
237V @ 50 mA
260V @ 170 mA
260V @ 170 mA
372Vct @ 400 mA
56V @ 100 mA
56V @ 100 mA
53V @ 1A
53V @ 1A
20V @ 100 mA
20V @ 100 mA
55V Bias
54V @ 250 mA
52V Bias
39V @ 250 mA
39V @ 250 mA
52Vct @ 250 mA
52Vct @ 250 mA
VAC
50V Bias
54V @ 250 mA
54V @ 250 mA
VAC
VAC
6.3Vct @ 2.5A
6.4V @ 3A
6.4V @ 3A
6.3Vct @ 8A
6.4V @ 3A
6.5V @ 2A
6.6V @ 3.75A
6.6V @ 3.75A
6.3V @ 3.75A
6.3V @ 3.75A
6.6V @ 1.05A
6.6V @ 1.05A
6.3V @ 3A
6.3V @ 3A
6.3V @ 3A
6.3Vct @ 4A
6.3Vct @ 4A
6.3Vct @ 2.25A
6.3Vct @ 7A
6.3Vct @ 7A
5V @3A
5V @ 2A
5V @ 4A
VAC
5V @ 3A
Bias Tap on High
Voltage Secondary
Secondary #1
Filament #2
Heater #1
290HAEX
290RX
290REX
290S2Z
290SX
290TX
290UX
290UEX
290VX
290VEX
290WX
290WEX
290XX
290XEX
290XXA
290YX
290YEX
291AEX
291ZZ
291ZEZ
86
404
404
383
404
371
112
112
208
208
19
19
66
66
19
243
243
95
462
462
120V/210/230V/240
120V
100/120/220/240
117
120/230/240
120
117
240
117
240
120
240
117V
240
117
120
240
120/220/230/240
120
120/240
50/60 550Vct @ 100 mA
50/60 337Vct @ 1.1A
50/60 337Vct @ 1.1A
50/60 308.5V @ 250 mA
50/60 342V @ 500 mA
50/60 237V @ 50 mA
50/60 260V @ 170 mA
50/60 372Vct @ 400 mA
50/60 650/550Vct @ 100 mA
60
364Vct @ 1A
50/60 364Vct @ 1A
Marshall (Power Transformers)
Part No.
290MAZ
290PAZ
290GX
290HX
290KX
290JX
290LEX
290LX
290QX
Primary
117/234VAC 50/60 Hz.
120/240 VAC 50/60 Hz.
120/220/240 VAC 50/60 Hz.
120/220/240 VAC 50/60 Hz.
120/240 VAC 50/60 Hz.
120/240 VAC 50/60 Hz.
100/120/220/230/240 VAC 50/60 Hz.
120/240 VAC 50/60 Hz.
120/240 VAC 50/60 Hz.
Marshall Model Names
Studio 15 "Little Fatty"
18 Watt Combo
JCM 800, JMP - 50 watt
JCM 800 & JMP - 100 watt
JCM 900 - 50 watt
JCM 900 - 100 watt
JMT 45
General
JTM30
Equivalent To Marshall Part No.
294-285/6
-
-
-
-
-
-
-
-
Bobbin/Paper Wound
BOBBIN
BOBBIN
BOBBIN
PAPER
BOBBIN
BOBBIN
BOBBIN
BOBBIN
BOBBIN
VOX (Power Transformers)
Part No.
290PX
290CZ
290CEZ
290NX
290MX
290MAX
Primary
120/240 VAC 50/60 Hz.
120 VAC 60 Hz.
120/240 VAC 50/60 Hz.
100/120/220/230/240 VAC 50/60 Hz.
120/240 VAC 50/60 Hz.
120/240 VAC 50/60 HZ.
VOX Model Names
AC15
AC15C1
AC15C1
AC30 Vintage
AC30 Reissue
TB35C2 TONY BRUNO
Equivalent To VOX Part No.
-
-
-
-
-
-
Bobbin/Paper Wound
BOBBIN
BOBBIN
BOBBIN
PAPER
BOBBIN
BOBBIN
Yorkville/ Traynor (Power Transformers)
Part No.
99145¹
98965¹
79465¹
79691¹
Primary
115VAC / 60Hz.
120/240VAC 50/60 Hz.
120VAC 60 Hz.
120V 60 Hz
Yorkville / Traynor Model Names
Mono Block2 Bass Amp
100 Watt
YBA2-B
YBA-3
Equivalent to Yorkville / Traynor Part No.
A1305
A1380
A1314
A1315
PAPER
-
Bobbin/Paper Wound
-
-
¹ Special order only. Please contact Hammond's sales team for more information.
https://www.hammfg.com/electronics/transformers/classic/290
2/3
5/27/2019
Tube Guitar Amplifier - Power Transformers (290 Series) - Hammond Mfg.
AMPEG (Power Transformers)
Part No.
290CAZ
290ETX
Primary
117 VAC 60 Hz.
120 VAC 60 Hz.
AMPEG Model Names
GEMINI VI 25W
SUPER ECHO TWIN
Equivalent To AMPEG Part No.
PT 113
PT-109
Bobbin/Paper Wound
BOBBIN
BOBBIN
*DISCLAIMER: Hammond Mfg. is not affiliated with Fender Musical Instruments Corp., Marshall Amplification, Yorkville/Traynor, AMPEG or VOX Amplification
companies. Amplifier model names are trademarks of the Amplifier companies and are just listed here for reference purpose only.
Data subject to change without notice
© 2019. Hammond Manufacturing Ltd. All rights reserved.
https://www.hammfg.com/electronics/transformers/classic/290
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Hammond
:
290AX 290BX 290CX 290DX 290EX 290FX 290GX 290HX 290JX 290KX 290LX 290MX 290PX 290NX
290AEX 290BEX 290CEX 290DEX 290EEX 290FEX 291AEX 291AX 291BEX 291BX 291CEX 291CX 291DEX
291DX 291EEX 291EX 291FEX 291FX 290QX 290WX 290YX 290XX 290XEX 290VX 290SX 290CAX
290TX 290RX 290UX 290YEX 290UEX 290PAZ 290EAZ 290REX 290CEZ 290ETX 290CAZ 290LEX 290MAX
290EBZ 290XXA
