6sl7 Tung-Sol tube Made in USA RARE CODE 322545-3 MILITARY SPECIFICATIONS MIL SPECS ROUND PLATE BLACK COATED GLASS PROFESSIONAL TUBE test 44/44 ( good at 32/32 ) on military calibrated instrument TV7D/U TWIN TRIODE DOUBLE TRIODE TUBES FOR PRE AMPLIFIER PREAMP DRIVER PRE PHONO INPUT FIRST STAGE 1ST STAGE AUDIO 6SL7GT = CV1984 = CV1985 = 6Н9С = 6SL7 = VT-229 = 6N9P Similar tube Other shape (e.g. bulb type): 6SL7GTB ; 6Н9М Sub tube: 6113 ; 6SL7_DDR Other class quality (otherwise equal): 6SL7WGT ; 6SU7GTY Heater different: 12SL7GT ; 5691 ; ECC35 Other base: 7F7 First informations 02.Jul.1941 : Electron Tube Registration List Sub the following models6SC7 6SC7GT Evolution 12AX7 7F7 6SL7GTB 6SL7WGT Socket Octal (Int.Octal, IO) K8A Filament Heater Vf 6.3 Volt / If 0.3 Ampere / Indirect / Parallel / series ~ = AC/DC Vintage NOS Tubes Bendix Vintage NOS Tubes Brimar Vintage NOS Tubes Sockets Arcturus Vintage NOS Tubes Rca 12ax7 Nos NOS Nitrous Oxide Systems Parts for Ford Mustang, RCA Vintage Tubes & Tubes Sockets NOS Performance & Racing Parts Genalex NOS Tubes NOS Vintage Car and Truck Parts box 63
Item Tag: 6SU7-GTY
Tung Sol 6SU7GTY Vintage Premium 6SL7GT Tube -Amplitrex Superb! 6SU7GT
Digitally tested on my Amplitrex AT-1000. Results below, they are great. Triode 1- 113% Emission / 93% GM. Triode 1- 111% Emission / 95% GM. I did not glue it, you could so that it is a permanent fix (a dab of silicon would be perfect).
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JAN CTL 6SU7GTY TUNG SOL TUBE MILITARY SPEC TV7 TESTED GOOD BLACK ROUND PLATES
Fully tested on a Triplett 3444 Minimum good is 1000 Average new is 1600
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Tung Sol 6SU7GTY Vintage Premium 6SL7GT Tube -Amplitrex Strong! 6SU7GT
Digitally tested on my Amplitrex AT-1000. Results below, they are great. Triode 1 – 80% Emission / 87% GM. Triode 2 – 78% Emission / 88% GM.
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INCREDIBLE Tung Sol 6SU7GTY Vintage Premium 6SL7GT Tube -Amplitrex SUPERB 6SU7GT
Digitally tested on my Amplitrex AT-1000. Results below, they are superb. Triode 1 98% Emission / 104% GM. Triode 2 93% Emission / 100% GM. Superb testing, ready for YEARS of incredible performance.
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INCREDIBLE Tung Sol 6SU7GTY Vintage Premium 6SL7GT Tube -Amplitrex SUPERB 6SU7GT
Digitally tested on my Amplitrex AT-1000. Results below, they are superb. Triode 1 – 102% Emission / 106% GM. Triode 2 – 100 % Emission / 104% GM. Superb testing, ready for YEARS of incredible performance.
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Tung Sol 6SU7GTY Vintage Premium 6SL7GT Tube -Amplitrex SUPERB 6SU7GT
Digitally tested on my Amplitrex AT-1000. Results below, they are superb. Triode 1 – 108% Emission / 93% GM. Triode 2 – 103% Emission / 93% GM. No shorts, gas detection is SUPERB (< 2% is good, this is 0.0%!).
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Tung Sol 6SU7GTY Vintage Premium 6SL7GT Tube -Amplitrex SUPERB! 6SU7GT
Digitally tested on my Amplitrex AT-1000. Results below, they are superb. Triode 1 – 100% Emission / 100% GM. Triode 1 – 104% Emission / 100% GM. No shorts, gas detection is SUPERB (< 2% is good, this is 0.0%!).
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TUNG SOL 6SU7GTY
Tests very strong and is microphonically quiet. Also shows good matching between the triodes. No emission spots evident. Tested on a uTracer. mu2: 69 (99%). mu1: 70 (100%). Ia2: 2.48 (108%).
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Tung-Sol 6SU7GTY Tested Good Vacuum Tube Black Plate Aged 48 Hrs
Up for sale is a vintage Tung-Sol 6SU7GTY vacuum tube featuring desirable black glass construction and brown micanol base. This tube is marked “AGED 48 HOURS”, indicating factory quality-control aging and testing prior to release. The 6SU7GTY is a premium low-noise industrial and military-grade tube highly regarded by collectors, audiophiles, and vintage electronics enthusiasts. Details: * Manufacturer: Tung-Sol * Tube Type: 6SU7GTY * Brown Micanol Base * Black Glass Construction * Marked “AGED 48 HOURS” * Made in U.S.A. Condition: * Untested due to lack of testing equipment * Getter flash remains intact * No cracks or chips observed