RCA 5691 6
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Product
Site
Price
Listed
eBay
1 x 5691/6SL7gt RCA Tube*Super Strong Testing*RED BASE*1953*#R4
$80
Jul 19, 2025
$80
Jul 19, 2025
eBay
2 - RCA 5691 6SL7 Tubes
$149
Apr 30, 2025
$149
Apr 30, 2025
eBay
MATCHED NOS NIB PAIR RCA 5691 PREMIUM 6SL7GT Red Base VACUUM TUBES Tested B.8814
$279
Apr 27, 2025
$279
Apr 27, 2025
eBay
RCA - 5691 / 6SL7 - VACUUM TUBE - TESTED
$47
Mar 8, 2025
$47
Mar 8, 2025
eBay
RARE Matched Pair RCA 5691/6SL7/ECC35 black plates tubes - 1979 - Tests NOS
$199
Jan 21, 2025
$199
Jan 21, 2025
eBay
RCA 5691 6SL7GT Red/Brown Base Audio Vacuum Tube 3-Mica Twin Triode BALANCED
$89
Jan 8, 2025
$89
Jan 8, 2025
eBay
RCA 5691 6SL7GT Red Base Grey Plate Tested Like NOS Balanced Tube
$98
Oct 27, 2024
$98
Oct 27, 2024
eBay
RCA 5691 6SL7 ECC35 Red Base Black Plates Triple Mica D Getter Matched Pair
£299
Jul 7, 2024
£299
Jul 7, 2024
eBay
TWO RCA JAN 5691 (6SL7) - TESTED GOOD
$180
Jun 21, 2024
$180
Jun 21, 2024
eBay
RCA 5691 6SL7 ECC35 Red Base Black Plates Triple Mica D Getter Matched Pair
£299
Dec 12, 2023
£299
Dec 12, 2023
eBay
5691 6SL7 RCA red base black plate, triple mica, DD getter Matched Pair
$399
Nov 20, 2023
$399
Nov 20, 2023
eBay
RCA 5691 6SL7 Red Base Black Plates Triple Mica DD Getter Pair Price
$380
Nov 19, 2023
$380
Nov 19, 2023
eBay
Radio Tubes 5691 6SL7GT 6SL7 RCA Special Red 1976 NOS Matched Pair
$240
Jan 7, 2023
$240
Jan 7, 2023
eBay
5691 RCA 6SL7 TRIMICA VALVE DOUBLE DD GETTER PREAMP 33S29 STANDARD SWEDISH
$523
Dec 16, 2021
- Aug 11, 2025
$523
Dec 16, 2021 - Aug 11, 2025
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