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BBCU-1 Bias Balance Control Upgrade Kit
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The Dynakit BBCU-1, Bias Balance Control Upgrade is a simple and effective circuit upgrade for equalizing the bias current between each pair of output tubes. Designed specifically for the original or new Dynakit ST-70, Mark II/III and MKIV amplifiers. The Dynakit BBCU-1 Kit includes all components, wire, hardware and a step by step by step installation & operation manual... (click here for more)

Select the BBCU-1(A) for the MKII and MKIII Mono Amplifiers. Price is for one (1) bias kit and manual.

Select the BBCU-1(B) for the MKIV Mono Amplifier. Price is for one (1) bias kit and manual.

Select the BBCU-1(C) for the ST-70 Stereo Amplifier. Price is for one (1) dual bias kit and manual.

Note: The BBC-1 Kits (A), (B) and (C) are Different with regard to the assembly manual and provided parts. SELECT CORRECTLY BELOW


Model # BBCU-1
 
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