| 1. THD Rackmount Kit for UniValue, BiValue-30, and Flexi-50 |
 | Useful hardware for THD amplifiers The THD Rackmount Kit includes everything you need to safely and securely mount the head versions of THD's UniValve, BiValve-30, and Flexi-50 ... $179.00 add to cart
Amp Replacement Part. Made by THD. (MF.480119) |
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| 2. THD Triode Yellow Jacket for Cathode Biased Amps |
 | Converts your amp to Class A EL84 operation. The YJC is an adapter that permits the use of an EL84 power tube in place of a 6L6, EL34, or 6550 in cathode-biased amps. There ... $59.00add to cart
Amp Tube Adapter. Made by THD. (MF.210412) |
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| 3. THD Triode Yellow Jacket for 6L6/EL34/6550 Amps |
 | Converts your amp to Class A EL84 operation. The YJS is an adapter that permits the use of an EL84 power tube in place of a 6L6, EL34, or 6550 in grid-bias amps. There are ... $59.00add to cart
Amp Tube Adapter. Made by THD. (MF.210411) |
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| 4. THD YJSHORTD Yellow Jacket Short Standard Duet |
 | Converts your amp to Class A EL84 operation. An adapter that permits the use of an EL84 power tube in place of a 6L6, EL34, or 6550 in grid-bias amps. There are no adjustments ... $144.00add to cart
Amp Tube Adapter. Made by THD. (MF.210392) |
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| 5. THD Triode Yellow Jacket for Uni-Bivalve |
 | Converts your amp to Class A EL84 operation. The YJUNIV is an adapter that permits the use of an EL84 power tube in place of a 6L6, EL34, or 6550 in grid-bias amps. There ... $50.00add to cart
Amp Tube Adapter. Made by THD. (MF.210399) |
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| 6. THD Triode Yellow Jacket for 6V6 Amps |
 | Converts your amp to Class A EL84 operation. The YJ20S is an adapter that permits the use of an EL84 power tube in place of a 6L6, EL34, or 6550 in grid-bias amps. There ... $59.00add to cart
Amp Tube Adapter. Made by THD. (MF.210410) |
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