Zenith 56 Tube Pair Engraved Base, replacement vacuum tubes
This listing is for a Zenith 56 tube pair with an engraved base, suitable as replacement vacuum tubes for compatible audio or radio equipment. The item condition is not provided, so check the listing for details and any test results or cosmetic notes. No additional specifications or measurements are included in the description; verify compatibility with your device before purchasing. Free Shipping is included, and the item ships at no extra cost. If you need details such as markings, origin, or matched pair information, check the listing for details.
| Location | Northampton US |
| Shipping | Free shipping (check listing for details) |
| Seller |
circatubes
100.0% positive · 3976 feedback
|
| Listing | FixedPrice · Active |
| Start time | 2025-12-06T06:18:24.000Z |
| Country of Origin | United States |
| Brand | Zenith |
| Model | 56 |
Test 1800 & 1800 where 1050 is good on a calibrated Western Electric KS-15750-L1 tube tester. See our other items for a matching pair if you need a quad of these.All tubes are guaranteed good or may be returned. Please see our other items for more vintage tubes & audio.We combine orders for shipping.Shipping includes insurance.We do not change values for customs. Thank You.
