Golden Phi Amplification Engineering
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Custom Amplifier Building 
We build our own line of custom tube amps, and will customize your amp to satisfy your tone needs.

Cabinets and speakers are made to order in custom configurations.  
Golden Phi Amplification Engineering Services
At Golden Phi Amplification Engineering, we take care to provide our customers high quality services personalized for their unique needs.
Amplifier Repair, Modification and Blackfacing
 I can repair, mod, and tune-up any tube amp.  

Silverface Fenders, Deluxes and Twins especially, can be noticeabley improved by being turned into Blackface Fenders. 

Harp Amps.  We specialize in building dedicated harp amps.  See the Golden Harp on our products page.
Custom Speaker Cabinets
Cabinets are built per the Golden Ratio.  Price varies with types of woods, coverings, speakers, leather handle, etc.