Got a USA Custom Diamond Amp? Ready for a conversion to 5881/6L6 power section? You're in the right place. Select this and send your amp to us. We'll do the rest. Shipping charged on this item includes only the RETURN shipping.
- change of power tubes to Sovtek 5881 (current Diamond Amps spec)
- change of output transformer to matched transformer
- full re-bias
- full amp inspection and any necessary warranty-covered work
After checking out, simply forward your confirmation of order to us at email@example.com to schedule your conversion!
If you want all brand new preamp tubes at the same time, select the option "Conversion + Preamp Re-Tube" when adding to cart!