Products > Amp Attenuators & Power Reduction > Tube Amp Doctor Tone Bones

Attenuators are a device which is placed between your amps output and your speaker. It allows you to control the volume of your amp so you can hit the amps sweet spot without blowing out the windows. This is the best method of reducing your volume.

Converters such as Tone bones or Yellow Jackets allow you to substitute your octal output valves with EL84's. This gives you a determined power reduction and the option of using your amp in Triode or Pentode mode. These offer a cost effective way of power reduction.

Tone bones and Yellow Jackets are converters which allows replacement of 6L6GC,6V6 GT 5881 & EL34 with EL84 valves. Converters were first brought to public attention by Andy Marshall of THD with his yellow jackets with the aim of allowing the musician to reduce the volume of their amplifiers. Amplifiers which operate in Class A mode such as the VOX AC30 have a sonically richer and more responsive tone. Converters allow you to recreate part of this tone with your amp. They also provide a significant drop in volume of between 8 to 30 watts depending on your amp and the tone bone used.Tone bones are ideal for recording, home practice or for small gigs. Two versions of the tone bone are available with either Pentode ot Triode operation.

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