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. Bias Tap on High Secondary #1 Filament #2 Heater #1
High Voltage Voltage Secondary
Secondary
VAC Hz. R.M.S. VAC VAC VAC VAC
290AAX 52 120 60 490Vct @ 90 mA 6.3V @ 1.25A
290ABX 76 120/240 50/60 293.5V @ 100 mA 34Vct @ 95 mA 9V @ 1.25A 6.3V @ 5A
290ACX 55 120 60 300V @ 100 mA 34Vct @ 100 mA 9V @ 1.5A 6.6V @ 1.5A
290AX 94 120V 60 650/550Vct @ 100 mA 6.3Vct @ 2.25A 5V @3A
290BAX 171 120 60 60Vct @ 2.85A
290BBEX 102 120/220/230/240 50/60 710V @ 115 mA 6.3Vct @ 1.65A 5V @ 2A
290BX 138 120 60 660Vct @ 138 mA 50V Bias 6.3V @ 3A 5V @ 3A
290BEX 138 240 50/60 660Vct @ 138 mA 50V Bias 6.3V @ 3A 5V @ 3A
290CX 161 120 60 650Vct @ 180 mA 50V Bias 6.3V @ 4.5A 5V @ 3A
290CAX 93 120/240 50/60 630/550V @ 115 mA 6.3Vct @ 1.65A 5V @ 2A
290CEX 161 240 50/60 650Vct @ 180 mA 50V Bias 6.3V @ 4.5A 5V @ 3A
290D2X 260 120 60 710Vct/610Vct @ 300 mA 50V Bias 6.3Vct @ 5A 5V @ 3A
290D2EX 260 120/210/220/230/240 50/60 710Vct/610Vct @ 300 mA 50V Bias 6.3Vct @ 5A 5V @ 3A
290DX 190 120 60 650Vct @ 230 mA 50V Bias 6.3Vct @ 4A 5V @ 3A
290DEX 190 240 50/60 650Vct @ 230 mA 50V Bias 6.3Vct @ 4A 5V @ 3A
290DHX 118 120 60 315V @ 250 mA 26V @ 100 mA 6.3Vct @ 5A 6V @ 1A
290EAZ 358 120 60 365Vct @ 850 mA 27.5V @ 100 mA 6.3V @ 7A
290EBZ 213 120 60 340V @ 500 mA 50V @ 100 mA 6.3V @ 6A
290EEBZ 213 120/230/240 50/60 340V @ 500 mA 50V @ 100 mA 6.3V @ 6A
290EEX 207 120/210/230/240 50/60 660Vct @ 275 mA 53V Bias 6.3Vct @ 4A
290EEZ 211 240 50/60 660Vct @250 mA 50V Bias 6.3V @ 4A 5V @ 4A
290EX 207 120 60 660Vct @ 275 mA 53V Bias 6.3Vct @ 4A
290EZ 206 120 60 640Vct @250 mA 50V Bias 6.3V @ 4A 5V @ 4A
290EZB 208 120 60 340V @ 500 mA 50V @ 100 mA 6.3V @ 6A
290FX 368 120 60 640Vct @ 518 mA 60V Bias 6.5V @ 5.5A
290FEX 368 240 50/60 640Vct @ 518 mA 60V Bias 6.5V @ 5.5A
290HAX 86 120 60 550Vct @ 100 mA 50V Bias 6.3Vct @ 2.5A 5V @ 3A
290HAEX 86 120V/210/230V/240 50/60 550Vct @ 100 mA 50V Bias 6.3Vct @ 2.5A 5V @ 3A
290RX 404 120V 60 337Vct @ 1.1A 54V @ 250 mA 6.4V @ 3A
290REX 404 100/120/220/240 50/60 337Vct @ 1.1A 54V @ 250 mA 6.4V @ 3A
290S2Z 383 117 60 780Vct @ 400 mA 55V Bias 6.3Vct @ 8A 5V @ 4A
290SX 404 120/230/240 50/60 337Vct @ 1.1A 54V @ 250 mA 6.4V @ 3A
290TX 371 120 60 696Vct @ 500 nA 52V Bias 6.5V @ 2A 5V @ 2A
290UX 112 117 60 308.5V @ 250 mA 39V @ 250 mA 6.6V @ 3.75A
290UEX 112 240 50/60 308.5V @ 250 mA 39V @ 250 mA 6.6V @ 3.75A
290VX 208 117 60 342V @ 500 mA 52Vct @ 250 mA 6.3V @ 3.75A
290VEX 208 240 50/60 342V @ 500 mA 52Vct @ 250 mA 6.3V @ 3.75A
290WX 19 120 60 237V @ 50 mA 6.6V @ 1.05A
290WEX 19 240 50/60 237V @ 50 mA 6.6V @ 1.05A
290XX 66 117V 60 260V @ 170 mA 20V @ 100 mA 6.3V @ 3A
290XEX 66 240 50/60 260V @ 170 mA 20V @ 100 mA 6.3V @ 3A
290XXA 19 117 60 260V @ 170 mA 6.3V @ 3A
290YX 243 120 60 372Vct @ 400 mA 56V @ 100 mA 6.3Vct @ 4A
290YEX 243 240 50/60 372Vct @ 400 mA 56V @ 100 mA 6.3Vct @ 4A
291AEX 95 120/220/230/240 50/60 650/550Vct @ 100 mA 6.3Vct @ 2.25A 5V @3A
291BEX 125 240 50/60 660Vct @ 138 mA 50V Bias 6.3V @ 3A 5V @ 3A
291ZZ 462 120 60 364Vct @ 1A 53V @ 1A 6.3Vct @ 7A
291ZEZ 462 120/240 50/60 364Vct @ 1A 53V @ 1A 6.3Vct @ 7A

Marshall (Power Transformers)

Part No. Primary Marshall Model Names Equivalent To Marshall Part No. Bobbin/Paper Wound
290MAZ 117/234VAC 50/60 Hz. Studio 15 "Little Fatty" 294-285/6 BOBBIN
290PAZ 120/240 VAC 50/60 Hz. 18 Watt Combo - BOBBIN
290GX 120/220/240 VAC 50/60 Hz. JCM 800, JMP - 50 watt - BOBBIN
290HX 120/220/240 VAC 50/60 Hz. JCM 800 & JMP - 100 watt - PAPER
290KX 120/240 VAC 50/60 Hz. JCM 900 - 50 watt - BOBBIN
290JX 120/240 VAC 50/60 Hz. JCM 900 - 100 watt - BOBBIN
290LEX 100/120/220/230/240 VAC 50/60 Hz. JMT 45 - BOBBIN
290LX 120/240 VAC 50/60 Hz. General - BOBBIN
290QX 120/240 VAC 50/60 Hz. JTM30 - BOBBIN

VOX (Power Transformers)

Part No. Primary VOX Model Names Equivalent To VOX Part No. Bobbin/Paper Wound
290PX 120/240 VAC 50/60 Hz. AC15 - BOBBIN
290CZ 120 VAC 60 Hz. AC15C1 - BOBBIN
290CEZ 120/240 VAC 50/60 Hz. AC15C1 - BOBBIN
290NX 100/120/220/230/240 VAC 50/60 Hz. AC30 Vintage - PAPER
290MX 120/240 VAC 50/60 Hz. AC30 Reissue - BOBBIN
290MAX 120/240 VAC 50/60 HZ. TB35C2 TONY BRUNO - BOBBIN

Yorkville/ Traynor (Power Transformers)

Part No. Primary Yorkville / Traynor Model Names Equivalent to Yorkville / Traynor Part No. Bobbin/Paper Wound
99145¹ 115VAC / 60Hz. Mono Block2 Bass Amp A1305 -
98965¹ 120/240VAC 50/60 Hz. 100 Watt A1380 -
79465¹ 120VAC 60 Hz. YBA2-B A1314 PAPER
79691¹ 120V 60 Hz YBA-3 A1315 -

AMPEG (Power Transformers)

Part No. Primary AMPEG Model Names Equivalent To AMPEG Part No. Bobbin/Paper Wound
290CAZ 117 VAC 60 Hz. GEMINI VI 25W PT 113 BOBBIN
290ETX 120 VAC 60 Hz. SUPER ECHO TWIN PT-109 BOBBIN

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Data subject to change without notice.