Fender Twin Reverb 100* Guitar Amp Replacement Transformers

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. 1750WA
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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.