Pat Kauffman is the East Coast's premier tube audio technician and has been with Main Drag Music since 2000, repairing tube amplifiers, tube pro audio, and tube HiFi equipment. Please schedule a time to drop off and he will assess your equipment and give you an accurate estimate based on his hourly rate of $110/hr.
If rush service is needed there is an additional $75 charge in addition to the cost of repair.*
Minimum bench fee/ Deposit upon check in $50
The deposit/minimum bench charge cover diagnostic time and written estimates. 
In addition, Pat recently launched his own groundbreaking line of Hi-Fi tube amplifiers. In his spare time, he tinkers with tube audio- operating his own amateur custom-built radio station.
If you have any inquiries regarding potential repairs please reach out to him directly at
*Rush service available at the discretion of the technician.
Patrick Kauffmann at his repair desk working on a repair.