Tube Amp Doctor KT88-STR Power Tube

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StewMAX Member Appreciation Event
20% OFF + FREE SHIPPING*
Special offer ends May 9, 2025 at 4:00PM ET

StewMAX Member Appreciation Event
20% OFF + FREE SHIPPING*
Special offer ends May 9, 2025 at 4:00PM ET

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Tube Amp Doctor KT88-STR Power Tube, Single Tube
Single Tube Item # 50263-S No longer available
$84.49
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Tube Amp Doctor KT88-STR Power Tube, Matched Pair
Matched Pair Item # 50263-MP No longer available
$138.60
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Tube Amp Doctor KT88-STR Power Tube, Matched Quad
Matched Quad Item # 50263-MQ No longer available
$277.20
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*StewMAX Members receive FREE standard shipping on all orders for the life of their membership. Members also receive special pricing on select items, and exclusive offers each month that may include tools, parts or supplies. Learn More

Tube Amp Doctor KT88-STR Power Tube

TAD's latest version of the KT88 with increased glass strength.

Built in the style of the early British MOV KT88 with the same big and heavy glass envelope and beautiful polished metal base. Wonderful tone and great appearance made this tube the most attractive choice for powerful bass amps and high-end audio.

Color may vary. 

Tube rating may vary from image. We're unable to accommodate requests for specific ratings.

California Proposition 65 Warning
Cancer and Reproductive Harm
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