SKU:41958712400
Matched Pair Sylvania Uncle Doug 6L6 6L6GC Vacuum Tubes Valves NOS-Testing
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- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Description
Matched Pair Sylvania Uncle Doug 6L6 6L6GC Vacuum Tubes Valves NOS-TestingThis matched pair of new old stock TESTING Sylvania 6L6GC "Uncle Doug" output tubes was tested on our Maxi Matcher with 400 volts on the plates and a bias of 48 volts for shorts, gas and transconductance. There were no shorts or gas and they tested as follows: Tube One: Tube Two: Transconductance: 2490 micromhos Transconductance: 2670 micromhos Plate Current Draw: 31 Plate Current Draw: 34. 5 (New US made 6L6GCs typically test with plate current from
almost-perfectly-matched pair of Sylvania-MANUFACTURED 6BL7GTA dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts
new in box GE 6AL11 tube tested to spec in our TV7
I am playing them in my Mini Mite 2013 (with adapters
side-D getters
new in box Sylvania-MANUFACTURED 7X7 tubes tested to spec on our Paul Hart-calibrated TV7/U
Flashing Quality: good (for this type
a crenelated
and their top mica spacers have two X patterns incised into them
Tube One measured 63 while Tube Two measured 67 where minimum (65%) is 43
side harp getters
It measured 60 where minimum (65%) is 37
I am playing them in my Mini 2013 as I write and they sound excellent
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