Found these rca 5692 red base tubes in an old oscilloscope . Tested at 75%. I don't have anything to put Them in, yet, but maybe later down the road I will.
1950's RCA 5692 Red Base | attic.hifi | Flickr
NOS RCA 5692/6SN7 (Red Base) vacuum tube (SOLD)
RCA 5692 / 6SN7 red base matched code, 音響器材, 其他音響配件及設備- Carousell
RCA 5692 6SN7
5692 RCA Black Plate Red Base Octal Twin Triode Tube
The 6SN7 Identification Guide | Page 9 | Headphone Reviews and Discussion - Head-Fi.org
5691 JAN / CRC = RCA "Super 6SL7GT "
RCA 5692 RED BASE | Reverb
RCA 5692/6SN7 Red Base, Triple Mica, Graphite Plates, DD Getters - Esoteric HiFi
Same Code Eagle Standard Rca 5692/6sn7/6n8p Tube - Air Conditioner Parts - AliExpress
RCA Red Base 5692 6sn7 Pre Amp Tubes 10,000 Hr Military Grade Tubes Photo #1985246 - US Audio Mart
RCA 5692 6SN7 RARE RED BASE NOS MATCHED PAIR For Sale | Audiogon
GE 5692 6SN7 by RCA red base black plate, triple mica tested, DD getter | eBay
World Best NOS 5692 6SN7 RCA Red Base Dual Triode Perfect Matched Pair Power Audiophile Tubes
RCA 5692 Tube Red Base | Reverb
Recommended Pair) 5691 RCA red base gray plates 1968-1974 (2.2/
RCA JAN CRC 5692/6SN7 red base black plate, triple mica tested, DD getter | eBay
5692 RCA RED BASE black plates 1953
RCA 5692 red base NOS For Sale - US Audio Mart
RCA 5692 | 6SN7 Red Base - NessTone Tube Sales
Matched Pair: Raytheon 5691 Vacuum Tube Red Base Black Plates Support Rods Manufactured by RCA Matching Date Codes - Etsy Canada
5692 Red Bases from RCA | One of the best Audio Tubes in the… | Flickr
