SKU:53506947274
Matched Pair Sylvania Number Type 59 #59 Vacuum Tubes Engraved Bases
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Description
Matched Pair Sylvania Number Type 59 #59 Vacuum Tubes Engraved BasesThis beautiful gray and silver matched pair of type Sylvania type 59 tubes was tested our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 73 while Tube Two measured 74 where minimum (65%) is 50. These tubes have mica snubbers for increased stability and lowered microphonics; sheet getters; outstanding flashing; anode radiators for cooler operation and longer tube life; engraved bases and
SOME COUNTRIES DO NOT HAVE INTERNAL TRACKING
5 standard deviation of 4000 micromhos
These three GE GE 5-Star industrial 6265 tubes tested to spec on our Paul Hart-calibrated TV7/U
It has gray
new in box Zenith 6HD7 6HJ7 tubes tested to spec on our Paul Hart-calibrated TV7/U
top to bottom) 39
where minimum (65%) is 40/40
new in box US-made 12A5 tubes tested to spec on our Paul Hart-calibrated TV7/U
It measured a nearly-perfectly-balanced 84/82 where minimum (65%) is 50/50 and 100% is 77/77
Tube Three measured 27
shorts and gas
They have engraved / hot-stamped bases on is Champion-branded and the other is Zenith
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Your Matched Pair Sylvania Number Type 59 #59 Vacuum Tubes Engraved Bases orders ship within 1-2 business days.
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Exchange/Return Notes
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