Uploaded April 2017 | Updated September 2026, 1 week ago

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In this video, we'll show you how to bias your tube amp using the TAD BiasMaster. The BiasMaster is available in an octal and noval version. The octal and noval probes are also sold separately so that you can bias amps using EL84s, 6L6GCs, EL34, 6V6GT, etc.

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TAD BiasMaster with 4 Octal Probes:
amplifiedparts.com/node/39836

TAD BiasMaster with 4 Noval Probes:
amplifiedparts.com/node/39837

2 Octal BiasMaster Probes:
amplifiedparts.com/node/39838

2 Noval BiasMaster Probes:
amplifiedparts.com/node/39839

Caig Deoxit D5 with Perfect Straw:
amplifiedparts.com/node/39910

To find out more about Apex Tube Matching, visit:
apexmatching.com