Sylvania 12BZ7 Black Plate Well Matched (2.7%) Pair NOS (12AX7 Substitute)
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Our users rate Reverb
This is a matched pair of Sylvania 12BZ7 tubes. They were made in the USA by Sylvania. These tubes are a drop in replacement for 12AX7, but they do have a higher heater current so please make sure to check the ratings of your power transformer to make sure it can handle these tubes. These tubes are well matched and balanced. These tubes were manufactured to rigorous specifications for reduced noise and microphonics. These tubes have black plates, yellow lettering, and horseshoe getters. These are highly sought after Sylvania 12BZ7 tubes, act quickly before they sell out!! More available upon request.
Be careful buying tubes from other sellers who list "matched pairs" but do not provide test results or specify the equipment that they use to test their tubes.
I personally tested this tube on my recently calibrated Hickok 600a and TV7D/U tube testers.
The results are as follows:
1,825/1,800
1,825/1,775
| Listed | 5 months ago |
|---|---|
| Condition | Excellent (Used) Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more |
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