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Yellow Jackets - Yellow Jackets allows amplifiers using common power tubes to use EL84s without modification or rebiasing.
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P-YJ7591-TTube Converter - Yellow Jackets®, YJ7591, Triode version

The YJ7591 is a specialized, current-limiting/voltage-conditioning adapter for use in most amplifiers that use 7591 output tubes. Only the triode version will provide a noticeable power reduction. The ground wire connects to chassis-ground for cathode-biased amplifiers. All Yellow Jackets® converters come with JJ Brand EL84/6BQ5 vacuum tubes.


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P-YJ7591Tube Converter - Yellow Jackets®, YJ7591

The YJ7591 is a specialized, current-limiting/voltage-conditioning adapter for use in most amplifiers that use 7591 output tubes. Only the triode version will provide a noticeable power reduction. The ground wire connects to chassis-ground for cathode-biased amplifiers. All Yellow Jackets® converters come with JJ Brand EL84/6BQ5 vacuum tubes.


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view prices
Click to read more
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