Marshall 18 Watt Output Transformer - APD-8037M by Mercury Magnetics (Upgrade of 40-18037)

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Mercury Magnetics®
Premium guitar amplifier power transformers, output transformers and chokes.
Proudly manufactured in the U.S.A.

Our Part# OEM Part# Series Type Rating
APD-8037M MAR18-OT ToneClone Output
18W 4/8/16 ohm


Alternates: None
Reference#: Marshall 18W

Description: Great vintage type upgrade/general replacement output transformer!  Current handwired edition — 18 watt — 4/8/16 ohm taps 40-18037, Classictone 40-18037, Classictone 40-18037
Used In: Marshall 18W and other 2xEL84 amps 40-18037, Classictone 40-18037, Classictone 40-18037
The ToneClone Series
ToneClone transformers are exact genetic duplicates from these sought-after amps. Many came from amps owned by your favorite players. The same amps that were used to record some of the greatest electric guitar songs we’ve known. 40-18037, Classictone 40-18037, Classictone 40-18037
The Axiom Series
Axiom series transformers are in a class by themselves. We’ve taken our advanced knowledge of modern transformer designs and mated it with our unparalleled expertise with vintage gear. The result is next-generation transformers that’ll blow your mind!


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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