Fliptops Transforemer Repotting Service for Portaflex Amps


New! We are now glad to be able to offer re-potting services to those of you who have their old Portalfex transformers and would like to keep the old cans original. This way your transformers will still match.

Service includes:

  • Un-potting and removal of old transformer 
  • Installation and re-potting of a brand new transformer

Transformers are made in the USA by our good friends at Heyboer. CE component certified.

Choose amp/transformer model  below.

10 year warrant. Warranty is not valid when transformer is installed in non-stock circuits or circuits with any modifications. The one modification exception is the upgrading for the early B15N amps with 40ufx4 or 40x40x20x20uf multicaps to the later more stable filter section containing the 30u/600v (B+)  combined with the 40x3@525v multicap. Warranty is also invalid if original filter capaacitors are used with the new transformer.  If you are not sure of the condition of your amps originally circuitry, please contact us and we may be ablel to help identify any issues.

To order simply checkout  and pay using this listing. The shipping you pay at checkout will cover the return shipping when it is finished.  We recommend  USPS medium flat rate box as a fast and cost effective shipping method.

Carefully pack up your old transformer (best to surround it in hard foam)

and ship it to us with  a copy of your order receipt. You are responsible for shipping costs.

Our Address:


675 Auburn Ave.

Buffalo NY 14222

Turn around time is about  2.5 weeks. Output transformers will take a bit longer as they are special order.

Note: we cannot re-pot any tranfssormer that has been potted with modern materials such as epoxy.

Please call or email with any questions.

Starting price is for a 120v USA PT108, OT214 are 60.00 more.


$ 325.00

Transformer Model :
Quantity :

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