Marshall JMP - 50 Watt* 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 Marshall Amplification. Amplifier model names are trademarks of the Amplifier companies and are just listed here for reference purpose only.

Power Transformer Domestic/International 120/220/240V, 50/60 Hz.

Part No. HM5040-ND (290GX)

Used in JMP 50 Watt chassis:* JMP 50 Watt*

Marshall No:* X style “vertical mount”
Core: Bobbin


Power Transformer Domestic/International 120/220/240V, 50/60 Hz.

Part No. 290GZ
-If clicking on the part doesn’t bring you to the product page, it may be a special order item. Click here for special order form to have the part specially ordered.

Used in JCM 800 - 50 Watt chassis:* JCM 800 - 50 Watt*

Marshall No:* Z style “lay down” suitable for most JMP 50 Watt kits
Core: Bobbin


Output Transformer - 4, 8, 16 Ohms

Part No. HM4570-ND (1750N)

Used in JMP 50 Watt chassis:* JMP 50 Watt*

Marshall No:* Unknown
Core: Bobbin


Choke - 5H @ 120 mA DC

Part No. HM4804-ND (194F)

Used in JMP 50 Watt chassis:* JMP 50 Watt*

Marshall No:* Unknown


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.