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AI Buying Guide Riley
- Best for vintage audio enthusiasts or tube amp restorers seeking matched Nuvistor pairs for pre-amp or driver stages in classic equipment.
- Condition is used but functionally new—seller states these tested as high as possible on an Eico 667 tester; no original boxes present.
- Seller has 548 feedback ratings at 100% positive; note that seller does not accept returns for change of mind.
- Free shipping; in stock and ready to ship now; handling speed not specified.
- RCA 7586 Nuvistor tubes, date-matched pair; verify tube test results and any visible wear against seller's photographs before purchase.
- Condition is used but functionally new—seller states these tested as high as possible on an Eico 667 tester; no original boxes present.
- Seller has 548 feedback ratings at 100% positive; note that seller does not accept returns for change of mind.
- Free shipping; in stock and ready to ship now; handling speed not specified.
- RCA 7586 Nuvistor tubes, date-matched pair; verify tube test results and any visible wear against seller's photographs before purchase.
Generated from listing data by BayPoint AI · Verify details on eBay before purchase.
Seller:
cap*n*tube
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 below the midpoint by about -83%, 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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