SKU:71993621277
Sylvania 7F7 Vacuum Tube
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Description
Sylvania 7F7 Vacuum TubeThis Sylvania 7F7 was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 42 44 where minimum (65%) is 33 33 and 100% is 51 51. I have played it in my Cern Audio phono pre preamplifier as a 6SL7 substitute (with an adapter, not included) and it sounds outstanding. It is dead quiet when the preamp is muted and has excellent frequency response, sound staging, and dynamics It is somewhat
engraved base number 78 tubes were tested on our Paul Hart-calibrated TV7/U for shorts
new in box GE 12BR7 tubes tested to spec on our Paul Hart-calibrated TV7/U
new in box RCA 7C7s tested to spec on our Paul Hart-calibrated TV7/U
I am playing them in my Musical Paradise MC-3 single-ended integrated amplifier as I write with Aimee Mann's seminal "Magnolia" album and it sounds terrific
This double CD plays fine
dimpled sheet getters
5 record cleaner and am playing it on my Rega Planar 1 as I write
new in box RCA 6JT8 tubes tested to spec on our Paul Hart-calibrated TV7/U
They are a tad microphonic and are fine for home use
44 and 48 where minimum (65%) is 32 and 100% is 49
new in box Sylvania 6CS6 tubes tested to spec on our Paul Hart-calibrated TV7/U
new in box 956 tubes tested to spec on our Paul Hart-calibrated TV7/U
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Exchange/Return Notes
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- Final sale items are not eligible for returns or exchanges.
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