Marshall Style 50W Output 4/8/16 APD-8025A-H by Heyboer Transformers (Laydown version)

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Regular price $127.00 Sale

Heyboer Transformers
Premium guitar amplifier power transformers, output transformers and chokes.
Proudly manufactured in the U.S.A.

Our Part# OEM Part# Type Rating
APD-8025A-H Drake 784-139 Output
50W 4/8/16


Alternates: APD-8025H

Reference#: 50W OT, Drake wind, more interleaved #784-139 3.4K (Standard Plexi 50 Output Transformer)  Classictone 40-18025, Classictone 40-18025

Description: Great vintage type upgrade/general replacement output transformer!  This is an upright mounted transformer. Marshall* purists will love this one! It is a tone monster!!!  Paper Core like the originals.

The interleaving creates more tone and usually a crisper/cleaner high end.

 Classictone 40-18025, Classictone, Classictone 40-18025, classictone 40-18025
Used In: JCM 800s** and JMPs** (general replacement) The ever popular Plexi 50 from 60's up to the 50W lead 2204 model in 1980 used the 784-139. It covered a long span.
 Classictone 40-18025, Classictone 40-18025, classictone 40-18025, classictone
 Classictone 40-18025, 40-18025, Classictone, Classictone 40-18025, classictone
 Classictone 40-18025, Classictone 40-18025, Classictone 40-18025, Classictone
 Classictone 40-18025, Classictone 40-18025, Classictone 40-18025, Classictone


Return Policy
Because these are electronic components, returns are only accepted on Damaged, DOA or Unused units only.
Return shipping costs are the responsibility of the purchaser.
Prior approval is required for all returns. Contact Sales for an RMA Number.
Returns are subject to a restocking fee equal to any Credit Card, eBay or PayPal fees associated with the original transaction.


*Disclaimer: All of the above listed amplifier models are trademarks of their original manufacturers.

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