SKU:20887024015
Matched Pair General Electric GE 6BL7 6BL7GTA Vacuum Tubes NOS NIB
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
Description
Matched Pair General Electric GE 6BL7 6BL7GTA Vacuum Tubes NOS NIBThis new old stock, new in box matched pair of GE 6BL7GTA dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 44 45 for Tube One and 45 45 for Tube Two where minimum (65%) is 25 25 and 100% is 38. 5 38. 5. They have O getters; copper support rods; great flashing and 63 48 188 5 and 64 13 188 5 factory date codes, respectively. I played them in my Alan
Bass is excellent and very deep
new in box GE 26HU5 tubes tested to spec on our on our Jackson 648
new in box GE 50L6GT rectifier tube tested to spec on our Paul Hart-calibrated TV7/U
(New 6SN7s typically test from 2600 micromhos and the Jackson expresses this in terms of a percentage
new in box GE 12EG6 tubes tested to spec on our Paul Hart-calibrated TV7/U
gold pin E81L / 6686 tested to spec on our Paul Hart-calibrated TV7/U
Bases: tall
new in box National Union 6AV6 tube tested to spec on our Paul Hart-calibrated TV7/U
These are beautiful tubes
There were no playback issues
new in box GE 12DK7 tubes tested to spec on our Paul Hart-calibrated TV7/U
6 volts on the filaments
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