5751 / CV4017 Westinghouse/Sylvania Gold Brand, NOS, triple mica, black plates, square getter, X-rare - Tubes, parts & vinyl
Sylvania 5751 Gold Brand Gray Plates Triple Mica - Tube Maze
True NOS NIB Matched Pair Sylvania USA 6X5GT Black Plate Foil Get 3 Mica Tubes
5751 GE NOS/USA triple mica, grey plate
5751 - Tube Maze
Sylvania Gold Brand NOS 5751 12AX7 Triple Mica Perfect Balance Gold Pins EXTREMELY RARE | Reverb
SYLVANIA GOLD BRAND GB 5751 12AX7 ECC83 PERFECT BALANCE 3 MICA HALO GETTER TEST NOS VINTAGE 1962 | Reverb
Sylvania 6201 Gold Pin: Vacuum Tubes & NOS Tubes | Tubes Unlimited
Sylvania 5751 Black Plate, Triple Mica | TubeDepot.com
Sylvania Gold Brand 5751 / 12AX7 3 Mica Almost Perfectly Balanced (1.3%) Gold Pins NOS ECC83 | Reverb
Sylvania - AudioValves
12at7 Triple Mica - Etsy
12AX7 / ECC83/ 12AT7 / ECC81 / 12AU7 / ECC82 / 5751 / 6922 / 6DJ8 / /thetubeshop.com
12AX7 JHS SYLVANIA Long Plates 17mm ; NOS/USA
1 Sylvania gold brand 5751 black plates 3 mica square getter = 12AX7 ECC83 7025 | eBay
Matched pair of Sylvania black plate triple mica 5751 / 12AX7 tubes - from Brent Jesse For Sale - US Audio Mart
NOS Tube Store: SYLVANIA 5814 & 6189 ASSORTED RARE SELECTION
12AT7 NOS Tubes Shootout and Substitute for Hi-Fidelity (not guitar) Amp | Steve Hoffman Music Forums
Sylvania 7025 for sale | eBay
Preamp tubes
12AX7 / ECC83/ 12AT7 / ECC81 / 12AU7 / ECC82 / 5751 / 6922 / 6DJ8 / /thetubeshop.com
Sylvania 5751 for sale | eBay
1MP GB-5814A SYLVANIA Triple Mica Gold Pin Made in USA Amplitrex Tested – Audio Tubes
Sylvania 12ax7 1950's Long Black Plate: Vacuum Tubes & NOS Tubes | Tubes Unlimited
Lampe électronique 5670/WA 3 MICA BLACK PLATE General Electric (GE)
Sylvania Gold Brand NOS 5751 12AX7 3 mica ... For Sale | Audiogon
5751 / CV4017 Westinghouse/Sylvania Gold Brand, NOS, triple mica, black plates, square getter, X-rare - Tubes, parts & vinyl
