SKU:60386338585
9 Sylvania 6SR7 Vacuum Tubes NOS NIB Lot Of Nine
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USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
Description
9 Sylvania 6SR7 Vacuum Tubes NOS NIB Lot Of NineThis lot of nine new old stock, new in box Sylvania Sylvania MANUFACTURED 6SR7 tubes tested to spec on our Paul Hart calibrated TV7 U. The GM LABELED ones all have 312 Sylvania EIA codes. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA
It is somewhat microphonic
new in box RCA 12AX4 tubes tested to spec on our Paul Hart-calibrated TV7/U
58 and 60 where minimum (65%) is 40 and 100% is 62
There were no shorts or gas and they measured 45/45
This lot of three Tung-Sol new old stock
I do not recommend them for applications with vibration
Transconductance measured 33 for Tube One and 33 for Tube Two where minimum (65%) is 26
pops and ticks
They are dead quiet when the CD player is paused and have excellent frequency response
Plate current draw was 33
They are all the same size
I have no means to test this device
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