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Tube testing is 100% conclusive on shorts, leaks, emissions, transconductance and life expectancy. In-circuit tube testing, equally important, is also done.
On Custom Modifications, we determine that all the standard modes of operation are functioning correctly before modifying the amplifier.
These charges do not include Parts and Materials.

TUBE AMPLIFIER SERVICES
System Check - FREE

If your tube amp is sounding ugly, that is, emitting noises other than a normal low level hum, you need to be sure which piece it is - the amp, the guitar or the cord. If you don't have access to known quality substitution pieces, we will provide them. Bring your system in for a free check. Please contact us in advance for an appointment.

Complete Amp Tune Up - $40 to $60
  • Clean and inspect cabinet and speakers
  • Test for AC shorts
  • Test all Tubes
  • Test all electrolytic capacitors
  • Clean tube sockets and control pots
  • Check all connections
  • Inspect Reverb Pan
  • Check voltage and impedance levels
  • Adjust Bias voltage
Custom Modifications
  • Tone enhancement                                           $30 - $180
  • Volume maximization                                       $50 - $150
  • Silverface to Blackface conversions            $70 - $300
  • Bias Voltage Circuits Added/Modified         $50 - $150
  • Noise reduction circuits                                   $40 - $120
  • Master Volume Controls Added                   $40 - $80
Repairs

Troubleshooting, eliminating noise problems, speaker replacement, cabinet restoration, reverb reconditioning,
bias voltage adjustment, parts replacement,  etc., will be based on a written estimate.