RCA 6A7 vacuum tube tested new old stock<br>Tested with a calibrated TV-7D/U tube tester.<br>Calibration by Daniel Nelson.<br>Tested at: 41<br>Average new: 61<br>Minimum good: 29<br>The minimum is equal to 65% of the life of the tube.<br>Tested for shorts and gas.<br>Date code: 57-48<br>Construction: D getter<br>Glass: clear<br>base is tight<br>We combine shipping.<br>Your items will be packed very well and shipped promptly.<br>Always glad to answer any questions.<br>Thanks for looking!
| Category | Vintage & collectibles > Electronics > Radio |
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