Tag: valve testing service

Valve Tracing & Testing Service

If you are looking to test your precious valves and you don’t have the equipment, I can now offer this service for you which includes:

  1. Valve health check
  2. Valve bias point measurement (Ia, Is @ Va, Vs)
  3. Transfer curves
  4. Characteristic curves
  5. Microphony (optional)
  6. Distortion – THD (optional)
  7. SPICE model for triodes (optional)

20130929-202754.jpg

 

Some examples of a lovely EL34 Mullard tested on request:

EL34 02 EL34 02 Vs=250V

My fees are very competitive and this service is worth if you are looking to sell your valves or match them.

Terms and conditions:

  1. Price varies on level of testing and amount of valves
  2. Postage is not included and depend on your location. I’m in London, UK so you can easily estimate the costs beforehand.

Update – August 2021

My apologies but due to pandemic and lack of free time, I’m not offering this service anymore.