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AI Buying Guide Riley
- Best for experienced tube amp enthusiasts or repair technicians restoring vintage audio gear; these are high-end replacement tubes for classic amplifiers.
- Used condition with documented testing: both tubes passed a tube tester at a local shop, indicating functional output; typical for NOS or estate pulls with remaining lifespan uncertain.
- Seller has 757 feedback ratings at 99.6% positive, establishing consistent transaction history and buyer confidence.
- Shipping cost and handling time are listed separately on eBay; check the full listing to confirm expedited options and final total cost before checkout.
- Confirmed as matched pair of Genalex Gold Lion KT88 tubes, UK-made (not Russian), pulled from a Bogen DB 20DF amplifier; check your amp's tube complement and bias rating to ensure compatibility.
- Before purchase, verify your amplifier's manual or schematic confirms KT88 spec and bias requirements, or contact the seller with your exact amp model for final compatibility confirmation.
- Used condition with documented testing: both tubes passed a tube tester at a local shop, indicating functional output; typical for NOS or estate pulls with remaining lifespan uncertain.
- Seller has 757 feedback ratings at 99.6% positive, establishing consistent transaction history and buyer confidence.
- Shipping cost and handling time are listed separately on eBay; check the full listing to confirm expedited options and final total cost before checkout.
- Confirmed as matched pair of Genalex Gold Lion KT88 tubes, UK-made (not Russian), pulled from a Bogen DB 20DF amplifier; check your amp's tube complement and bias rating to ensure compatibility.
- Before purchase, verify your amplifier's manual or schematic confirms KT88 spec and bias requirements, or contact the seller with your exact amp model for final compatibility confirmation.
Generated from listing data by BayPoint AI · Verify details on eBay before purchase.
Seller:
divine-intervintage
Price Context
Similar items in Consumer Electronics typically sell for $9.95–$399.54 (median $144.99, based on 40 active listings).
The range is wide - some cheap units, some premium - so there is no clean verdict here. Riley reads this listing as priced above the midpoint by about 210%, which is worth knowing, but use it as one signal, not the final word.
Based on active eBay listings in this category. Updated every 6 hours. Wider ranges appear when the market is mixed.
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