Fender Twin Reverb 100* Guitar Amp Replacement Transformers

Power Transformers
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Features

  • 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”.
  • See drawing for specifications and size.
  • Do you know of any models we don’t list? If so please contact us for information.
  • DISCLAIMER: * Hammond Mfg. or Digi-Key is not affiliated with Fender Musical Instruments Corp. Amplifier model names are trademarks of the Amplifier companies and are just listed here for reference purpose only.

Power Transformer Domestic 120V, 60 Hz.

Part No. HM5039-ND (290FX)

Used in Twin Reverb 100 chassis:* AA270, AA769, AB763, AC568, Blackface, Silverface

Fender No:* 125P34A, 125P34AX, 022756
Core: Paper

Power Transformer International 240V, 50/60 Hz.

Part No. HM5038-ND (290FEX)

Used in Twin Reverb 100 chassis:* AA270, AA769, AB763, AC568, Blackface, Silverface

Fender No:* 125P34A, 125P34AX, 022756
Core: Paper

Output Transformer - 4 Ohm

Part No. HM4577-ND (1750W)

Used in Twin Reverb chassis:* Twin Reverb, Twin Reverb 100*, AA270, AA769, AB763, AC568, Blackface*, Silverface*

Fender No:* 125A29A, 022689, 022899, 022889, 037612
Core: Paper

Output Transformer - 4, 8, 16 Ohms

Part No. HM4590-ND (1760W)

Used in Twin Reverb chassis:* Twin Reverb, Twin Reverb 100*, AA270, AA769, AB763, AC568, Blackface*, Silverface*

Fender No:* 125A29A, 022689, 022899, 022889, 037612
Core: Paper

Output Transformer - 2, 4, 8 Ohm

Part No. 164-1750WA-ND (1750WA)

Used in Twin Reverb chassis:* Twin Reverb, Twin Reverb 100*, AA270, AA769, AB763, AC568, Blackface*, Silverface*

Fender No:* 125A29A, 022689, 022899, 022889, 037612
Core: Paper

Reverb Driver

Part No. HM2109-ND (1750A)

Used in Twin Reverb chassis:* Twin Reverb, Twin Reverb 100*, AA270, AA769, AB763, AC568, Blackface*, Silverface*

Fender No:* 125A20B, 022921
Core: Paper

The TechForum Cross Reference category is for parts that Digi-Key does not sell or parts that have gone obsolete. Our Engineers and Techs have reviewed the specifications for these parts and made a recommendation for a replacement. Please review the suggested part to ensure it will work for your application.