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1 Tung-Sol 6SN7GT Vacuum Tube - RARE 1940's Round Plate Oval Mica Twin Triode

1 Tung-Sol 6SN7GT Vacuum Tube - RARE 1940's Round Plate Oval Mica Twin Triode

$325.00162.50

(2) MILITARY RCA JAN-CRC 6AS7G Twin Triode Black Plate Tubes and 2 Regular 6AS7G

(2) MILITARY RCA JAN-CRC 6AS7G Twin Triode Black Plate Tubes and 2 Regular 6AS7G

$90.0045.00

1 NOS IEC Mullard 7025A aka 12AX7 ECC93 Vacuum Tube - Vintage Audio Twin Triode

1 NOS IEC Mullard 7025A aka 12AX7 ECC93 Vacuum Tube - Vintage Audio Twin Triode

$40.0020.00

1 Telefunken ECC88 6DJ8 Vacuum Tube - Audio Twin Triode Made in West Germany

1 Telefunken ECC88 6DJ8 Vacuum Tube - Audio Twin Triode Made in West Germany

$45.0022.50

GE 6F8G TWIN TRIODE - NOS/NIB - TESTED - 1943 DATE - ORIGINAL BOX

GE 6F8G TWIN TRIODE - NOS/NIB - TESTED - 1943 DATE - ORIGINAL BOX

$65.0032.50

(1) Electron Tube GE JAN 5670w Twin Triode Vacuum tubes. NOS

(1) Electron Tube GE JAN 5670w Twin Triode Vacuum tubes. NOS

$12.006.00

RAYTHEON TYPE 79 TWIN TRIODE - NOS/NIB - TESTED - ENGRAVED BASE 4 PILLAR

RAYTHEON TYPE 79 TWIN TRIODE - NOS/NIB - TESTED - ENGRAVED BASE 4 PILLAR

$15.007.50

1 pair Baldwin RCA? 12AU7 Twin Triode Audio Preamp tubes Tested excellent VGC

1 pair Baldwin RCA? 12AU7 Twin Triode Audio Preamp tubes Tested excellent VGC

$19.959.97

RCA 6N7G TWIN TRIODE - NOS/NIB - TESTED - ORIGINAL BOX - ROUND PLATES

RCA 6N7G TWIN TRIODE - NOS/NIB - TESTED - ORIGINAL BOX - ROUND PLATES

$24.0012.00

1 NOS Sylvania 6211 Vacuum Tube - 1960's Twin Triode for Audio Amps & PreAmps

1 NOS Sylvania 6211 Vacuum Tube - 1960's Twin Triode for Audio Amps & PreAmps

$24.0012.00

1 Tung-Sol 6SL7GT Vacuum Tube 1962 TALL BOTTLE Twin Triode for Audio Amps

1 Tung-Sol 6SL7GT Vacuum Tube 1962 TALL BOTTLE Twin Triode for Audio Amps

$18.009.00

2 NOS Raytheon JAN 5755 Vacuum Tubes aka 420A Low-Noise Audio Twin Triode

2 NOS Raytheon JAN 5755 Vacuum Tubes aka 420A Low-Noise Audio Twin Triode

$45.0022.50

6021A GE Military Spec Twin Triode Tube-Factory Fresh-1956-Free Ship in US

6021A GE Military Spec Twin Triode Tube-Factory Fresh-1956-Free Ship in US

$17.998.99

1 NOS Amperex Bugle Boy 6EU7 Vacuum Tube Vintage Audio Twin Triode Great Britain

1 NOS Amperex Bugle Boy 6EU7 Vacuum Tube Vintage Audio Twin Triode Great Britain

$75.0037.50

1 NOS GE 6F8-G Vacuum Tube - 1943 Vintage Black Plate Audio Twin Triode

1 NOS GE 6F8-G Vacuum Tube - 1943 Vintage Black Plate Audio Twin Triode

$45.0022.50

3x DSA GOV GE 6AS7GA Twin Triode Tubes - NOS NIB - Amplitrex Tested

3x DSA GOV GE 6AS7GA Twin Triode Tubes - NOS NIB - Amplitrex Tested

$124.5062.25

PAIR PHILCO 6N7G TWIN TRIODE - NOS/NIB - TESTED - MATCHING 09 DATE CODES

PAIR PHILCO 6N7G TWIN TRIODE - NOS/NIB - TESTED - MATCHING 09 DATE CODES

$48.0024.00

(3) NOS 12BH7A Twin Triode by MAGNAVOX (Westinghouse, taiwan) 72-17 codes

(3) NOS 12BH7A Twin Triode by MAGNAVOX (Westinghouse, taiwan) 72-17 codes

$34.9917.50

5 Test Good GE JAN 5814A Twin Triode / Old Vintage Ham Radio Tube Audio Amp

5 Test Good GE JAN 5814A Twin Triode / Old Vintage Ham Radio Tube Audio Amp

$21.9910.99

GE 5814A NOS Medium mu twin Triode vacuum tube tested Excellent Awesome 12AU7 !

GE 5814A NOS Medium mu twin Triode vacuum tube tested Excellent Awesome 12AU7 !

$9.954.97

1 NOS Westinghouse 7N7 Vacuum Tube 1940's TALL BOTTLE Audio Twin Triode

1 NOS Westinghouse 7N7 Vacuum Tube 1940's TALL BOTTLE Audio Twin Triode

$40.0020.00

4-Triple Mica 12AT7/6201 Twin Triode Tested GOOD! Short Plate 3-GE & 1-Raytheon

4-Triple Mica 12AT7/6201 Twin Triode Tested GOOD! Short Plate 3-GE & 1-Raytheon

$24.9912.49

Pair RCA Type 53 Tubes, Twin Triode, ST Shape, Tested

Pair RCA Type 53 Tubes, Twin Triode, ST Shape, Tested

$9.904.95

(1) Tested GE VT-189 7F7 Tube Mil-Spec Loctal Tube Loktal Twin Triode Tube

(1) Tested GE VT-189 7F7 Tube Mil-Spec Loctal Tube Loktal Twin Triode Tube

$14.997.50

1 RCA 6SN7GT Vacuum Tube - 1947 Vintage Audio Twin Triode

1 RCA 6SN7GT Vacuum Tube - 1947 Vintage Audio Twin Triode

$24.0012.00

Nice Reliable 6SN7GT Twin Triode / Old Vintage Ham Radio Tube Receiver Audio Amp

Nice Reliable 6SN7GT Twin Triode / Old Vintage Ham Radio Tube Receiver Audio Amp

$13.997.00

PAIR KEN-RAD TYPE 31 POWER TRIODES - NOS/NIB - TESTED - MATCHING B9R DATE CODES

PAIR KEN-RAD TYPE 31 POWER TRIODES - NOS/NIB - TESTED - MATCHING B9R DATE CODES

$34.0017.00

1 NOS Amperex 7062 aka E180CC Vacuum Tube - 10,000 Hour Audio Twin Triode

1 NOS Amperex 7062 aka E180CC Vacuum Tube - 10,000 Hour Audio Twin Triode

$26.0013.00

1 NOS RCA 12AX7A Vacuum Tube - 1970's Vintage ECC83 Audio Twin Triode

1 NOS RCA 12AX7A Vacuum Tube - 1970's Vintage ECC83 Audio Twin Triode

$34.0017.00

1 NOS National Union VT-224 RK34 2C34 Vacuum Tube - Vintage 10-Watt Twin Triode

1 NOS National Union VT-224 RK34 2C34 Vacuum Tube - Vintage 10-Watt Twin Triode

$35.0017.50

1 NOS Motorola 7058 aka 12AX7 Vacuum Tube 1974 Vintage Audio Twin Triode by RCA

1 NOS Motorola 7058 aka 12AX7 Vacuum Tube 1974 Vintage Audio Twin Triode by RCA

$35.0017.50

NOS RCA 5687 Twin Triode Amplifier Tubes Hickok Tested exc.

NOS RCA 5687 Twin Triode Amplifier Tubes Hickok Tested exc.

$19.999.99

12AY7 6072 NOS/NIB RCA Twin Triode Tube-Test Results Below-1970-Free Ship inUS

12AY7 6072 NOS/NIB RCA Twin Triode Tube-Test Results Below-1970-Free Ship inUS

$39.9920.00

GE JAN 6189W 12AU7 NOS Twin Triode Amp Vacuum Tube Sleeve of 5

GE JAN 6189W 12AU7 NOS Twin Triode Amp Vacuum Tube Sleeve of 5

$85.0042.50

5965 Vintage Used Sylvania Twin Triode B&K 707 Tested Made in USA

5965 Vintage Used Sylvania Twin Triode B&K 707 Tested Made in USA

$3.001.50

(1) Tested Amperex 6DJ8/ECC88 Tube Bugle Boy Date Code 107 Twin Triode Tube

(1) Tested Amperex 6DJ8/ECC88 Tube Bugle Boy Date Code 107 Twin Triode Tube

$24.9512.47

12AY7 6072 Used GE Twin Triode Tube-Test Results Below-1956-Free Ship in the US

12AY7 6072 Used GE Twin Triode Tube-Test Results Below-1956-Free Ship in the US

$37.9919.00

1 NOS Sylvania Type 19 Vacuum Tube - 1946 Audio Twin Triode for Vintage Radios

1 NOS Sylvania Type 19 Vacuum Tube - 1946 Audio Twin Triode for Vintage Radios

$14.007.00

1 General Electric 6SL7GT Vacuum Tube 1970's Vintage Twin Triode for Audio Amps

1 General Electric 6SL7GT Vacuum Tube 1970's Vintage Twin Triode for Audio Amps

$18.009.00

Strong Matched Pair Ken Rad Twin Plate 6B4G Triode Tubes Branded For TungSol

Strong Matched Pair Ken Rad Twin Plate 6B4G Triode Tubes Branded For TungSol

$69.9934.99

2 National Union Type 85 Vacuum Tubes - 1930's Triode-Twin Diodes for AM Radios

2 National Union Type 85 Vacuum Tubes - 1930's Triode-Twin Diodes for AM Radios

$12.006.00

(8) Tested Mixed Brands 8FQ7/8CG7 Tubes Twin Triode Radio Amplifier

(8) Tested Mixed Brands 8FQ7/8CG7 Tubes Twin Triode Radio Amplifier

$25.0012.50

4-NOS General Electric 12AU7 Twin Triode Tubes Test Good/Robust

4-NOS General Electric 12AU7 Twin Triode Tubes Test Good/Robust

$29.9914.99

New Unused GE 12BH7A Twin Triode / Old Vintage Ham Radio Tube Receiver Audio Amp

New Unused GE 12BH7A Twin Triode / Old Vintage Ham Radio Tube Receiver Audio Amp

$19.999.99

1 RCA 6SN7GTA Vacuum Tube - 1954 Vintage Chrome-Top Audio Twin Triode

1 RCA 6SN7GTA Vacuum Tube - 1954 Vintage Chrome-Top Audio Twin Triode

$18.009.00

1 NOS Amperex 7062 aka E180CC Vacuum Tube - 10,000 Hour Audio Twin Triode

1 NOS Amperex 7062 aka E180CC Vacuum Tube - 10,000 Hour Audio Twin Triode

$30.0015.00

(1) Tested Balanced Matsushita 17EW8 Tube High Mu Twin Triode Vacuum Tube

(1) Tested Balanced Matsushita 17EW8 Tube High Mu Twin Triode Vacuum Tube

$17.958.97

1 RCA 6SL7GT Vacuum Tube - 1970's Vintage Twin Triode for Audio Amps

1 RCA 6SL7GT Vacuum Tube - 1970's Vintage Twin Triode for Audio Amps

$20.0010.00

NOS NIB RCA 5751 Black Plate Twin Triode Vacuum Tube

NOS NIB RCA 5751 Black Plate Twin Triode Vacuum Tube

$79.9939.99

2 NOS Sylvania JAN CHS 7F7 Vacuum Tubes - 1951 Vintage Audio Twin Triodes

2 NOS Sylvania JAN CHS 7F7 Vacuum Tubes - 1951 Vintage Audio Twin Triodes

$30.0015.00

USED 12AT7 Siemens Munich gm:112/106 Twin Triode Vacuum Tube

USED 12AT7 Siemens Munich gm:112/106 Twin Triode Vacuum Tube

$15.007.50

(1) Tested GE 6BX7GT Tube with Box Date Code 59-13 Twin Triode Tube Black Plates

(1) Tested GE 6BX7GT Tube with Box Date Code 59-13 Twin Triode Tube Black Plates

$14.957.47

NOS / NIB Matched Pair Philips Black Plate 6BZ7 / 6BQ7A Twin Triode Vacuum Tubes

NOS / NIB Matched Pair Philips Black Plate 6BZ7 / 6BQ7A Twin Triode Vacuum Tubes

$19.999.99

3 Date-Matched NOS RCA 6J6A Twin Triode Vacuum Tubes

3 Date-Matched NOS RCA 6J6A Twin Triode Vacuum Tubes

$16.008.00

Vacuum Tube Lot 29 Pentagrids Triodes Twin Triodes Pentodes See Description

Vacuum Tube Lot 29 Pentagrids Triodes Twin Triodes Pentodes See Description

$44.8822.44

Strong Balanced RCA Red Base 5692 Twin Triode Vacuum Tube Branded for TungSol

Strong Balanced RCA Red Base 5692 Twin Triode Vacuum Tube Branded for TungSol

$89.9944.99

NOS NIB RCA 3C33 Twin Triode Vacuum Tube

NOS NIB RCA 3C33 Twin Triode Vacuum Tube

$129.9965.00

Nice Tested RCA 6SN7GT Twin Triode / Old Vintage Ham Radio Tube Guitar Audio Amp

Nice Tested RCA 6SN7GT Twin Triode / Old Vintage Ham Radio Tube Guitar Audio Amp

$16.998.49

1 Amperex "PQ" 6DJ8 ECC88 Vacuum Tube - Audio Twin Triode Made in HOLLAND

1 Amperex "PQ" 6DJ8 ECC88 Vacuum Tube - Audio Twin Triode Made in HOLLAND

$35.0017.50

Two New Old Stock GE 6021 Special Quality Twin Triode Amplifier Tubes

Two New Old Stock GE 6021 Special Quality Twin Triode Amplifier Tubes

$20.0010.00

1 Tung-Sol 6SL7GT Vacuum Tube - 1957 Vintage Twin Triode for Audio Amps

1 Tung-Sol 6SL7GT Vacuum Tube - 1957 Vintage Twin Triode for Audio Amps

$18.009.00

5751 x2 12AX7A NOS/NIB GE Blk Plate Twin Triode Tube Pair-Tested-Free Ship US

5751 x2 12AX7A NOS/NIB GE Blk Plate Twin Triode Tube Pair-Tested-Free Ship US

$64.9932.49

USED 6SL7GT RCA USA Twin Triode VT-229 B&K747 gm:90/90

USED 6SL7GT RCA USA Twin Triode VT-229 B&K747 gm:90/90

$23.0011.50

2 NOS HIT-RAY 12AU7 ECC82 Vacuum Tubes Vintage Audio Twin Triodes Made in Japan

2 NOS HIT-RAY 12AU7 ECC82 Vacuum Tubes Vintage Audio Twin Triodes Made in Japan

$30.0015.00

Lot of (21) 26AQ8 UCC85 tubes,radio,amplifier,twin triode,tuner,receiver,Holland

Lot of (21) 26AQ8 UCC85 tubes,radio,amplifier,twin triode,tuner,receiver,Holland

$63.9531.98

PAIR RCA 7N7 - NOS/NIB - MATCHING AP (1965) DATE CODES - TESTED - BALANCED

PAIR RCA 7N7 - NOS/NIB - MATCHING AP (1965) DATE CODES - TESTED - BALANCED

$75.0037.50

Raytheon RK-34 Twin Triode Power Amplifier Oscillator - NOS

Raytheon RK-34 Twin Triode Power Amplifier Oscillator - NOS

$15.007.50

(1) Tested Balanced Crosley 4BQ7A Tube Silver Tipped Code 639 4BQ7 A Twin Triode

(1) Tested Balanced Crosley 4BQ7A Tube Silver Tipped Code 639 4BQ7 A Twin Triode

$9.954.97

PAIR PHILCO TYPE 31 POWER TRIODES - NOS/NIB - TESTED - MATCHING S3 MR CODES

PAIR PHILCO TYPE 31 POWER TRIODES - NOS/NIB - TESTED - MATCHING S3 MR CODES

$34.0017.00

1 Sylvania 6SN7GTB Vacuum Tube - 1970's Vintage Audio Twin Triode

1 Sylvania 6SN7GTB Vacuum Tube - 1970's Vintage Audio Twin Triode

$16.008.00

1 NOS RCA 6EV7 Vacuum Tube - 1970's Vintage Twin Triode for Amateur Radios

1 NOS RCA 6EV7 Vacuum Tube - 1970's Vintage Twin Triode for Amateur Radios

$18.009.00

GE 6CG7 tube,tested strong and balanced,radio,amp,amplifier,twin triode,6FQ7

GE 6CG7 tube,tested strong and balanced,radio,amp,amplifier,twin triode,6FQ7

$9.954.97

2 NOS RCA 7F7 Vacuum Tubes - 1957 Vintage Audio Twin Triodes

2 NOS RCA 7F7 Vacuum Tubes - 1957 Vintage Audio Twin Triodes

$30.0015.00

Pair Raytheon 5687 Twin Triode NOS USA B&K747 gm: 110/110 & 110/117

Pair Raytheon 5687 Twin Triode NOS USA B&K747 gm: 110/110 & 110/117

$60.0030.00

3-NOS General Electric 12AV7 Twin Triode Tubes Test Good/Robust

3-NOS General Electric 12AV7 Twin Triode Tubes Test Good/Robust

$29.9914.99

(1) Tested Very Strong Sovtek 12AX7WXT Tube High mu Twin Triode 12AX7 WXT Tube

(1) Tested Very Strong Sovtek 12AX7WXT Tube High mu Twin Triode 12AX7 WXT Tube

$24.9512.47

(4) Tested Mixed Brands 8AW8 Tubes Twin Triode Radio Amplifier

(4) Tested Mixed Brands 8AW8 Tubes Twin Triode Radio Amplifier

$10.005.00

6080 Twin Triode Tube, tested

6080 Twin Triode Tube, tested

$15.007.50

(2) RCA 6080 Twin Power Triodes NOS Test Great! orig. cartons! Same Codes!

(2) RCA 6080 Twin Power Triodes NOS Test Great! orig. cartons! Same Codes!

$44.9922.50

Nice Tested Sylvania 6SN7GT Twin Triode / Old Vintage Ham Radio Tube Audio Amp

Nice Tested Sylvania 6SN7GT Twin Triode / Old Vintage Ham Radio Tube Audio Amp

$14.997.50

1 Raytheon 6SN7GTB Vacuum Tube - 1956 Vintage Black Plates Audio Twin Triode

1 Raytheon 6SN7GTB Vacuum Tube - 1956 Vintage Black Plates Audio Twin Triode

$16.008.00

USED 12AT7WA JHS Sylvania USA Twin Triode Vacuum Tube B&K747 gm: 81/97 3-mica

USED 12AT7WA JHS Sylvania USA Twin Triode Vacuum Tube B&K747 gm: 81/97 3-mica

$12.006.00

NOS RCA 3C33 Twin Triode Vacuum Tube

NOS RCA 3C33 Twin Triode Vacuum Tube

$119.0059.50

(1) Tested Westinghouse 6BK7B Tube Date Code 69-58 6BK7 B Tube Twin Triode Tube

(1) Tested Westinghouse 6BK7B Tube Date Code 69-58 6BK7 B Tube Twin Triode Tube

$8.954.47

5687 x2 404A NOS/NIB RCA Twin Triode Tube-Factory Fresh-Tested-Free Ship in US

5687 x2 404A NOS/NIB RCA Twin Triode Tube-Factory Fresh-Tested-Free Ship in US

$42.9921.50

New? RCA 12SN7GT Twin Triode / Old Vintage Ham Radio Tube Guitar Audio Amp

New? RCA 12SN7GT Twin Triode / Old Vintage Ham Radio Tube Guitar Audio Amp

$17.998.99

NOS GE 6SN7GTB Twin Triode Vacuum Tube Tested Excellent GR8 Audio Preamp Valve

NOS GE 6SN7GTB Twin Triode Vacuum Tube Tested Excellent GR8 Audio Preamp Valve

$14.007.00

PAIR PHILCO TYPE 19 TWIN TRIODES - NOS/NIB - 1942 DATE CODES - TESTED

PAIR PHILCO TYPE 19 TWIN TRIODES - NOS/NIB - 1942 DATE CODES - TESTED

$18.009.00

Pair NOS Sovtek 12AX7WB/7025 Audio Twin Triodes gm:80/88 87/81 B&K747

Pair NOS Sovtek 12AX7WB/7025 Audio Twin Triodes gm:80/88 87/81 B&K747

$38.0019.00

1 x NOS NIB 6BX7 RCA Clear Top Black Plate Twin Triode - TV-7 Tested

1 x NOS NIB 6BX7 RCA Clear Top Black Plate Twin Triode - TV-7 Tested

$15.007.50

NOS RCA 12BZ7 Black Plates Twin Triode Vacuum Tube 1958 Date Code "TESTED"

NOS RCA 12BZ7 Black Plates Twin Triode Vacuum Tube 1958 Date Code "TESTED"

$14.997.50

6CG7 B&K script Medium mu twin Triode vacuum tube tested very good,

6CG7 B&K script Medium mu twin Triode vacuum tube tested very good,

$9.954.97

(1) Tested Sylvania 4BQ7A Tube Date Code ig AAG 4BQ7 A Twin Triode Tube

(1) Tested Sylvania 4BQ7A Tube Date Code ig AAG 4BQ7 A Twin Triode Tube

$9.954.97

(1) Tested RCA Command 5814A Tube Code 10C RCA 5814 A Twin Triode Tube

(1) Tested RCA Command 5814A Tube Code 10C RCA 5814 A Twin Triode Tube

$17.958.97

(1) Tested RCA 6DJ8 Tube Date Code MJ XX-D Made in Holland Twin Triode Tube

(1) Tested RCA 6DJ8 Tube Date Code MJ XX-D Made in Holland Twin Triode Tube

$17.958.97

(1) Tested CBS 6BQ7A Tube CBS 6BQ7 A Medium Mu Twin Triode Vacuum Tube

(1) Tested CBS 6BQ7A Tube CBS 6BQ7 A Medium Mu Twin Triode Vacuum Tube

$7.953.98

2 General Electric JG 5814A aka 12AU7 Vacuum Tubes Vintage Audio Twin Triodes

2 General Electric JG 5814A aka 12AU7 Vacuum Tubes Vintage Audio Twin Triodes

$25.0012.50

(1) Tested Tung-Sol 12AT7 Tube High-Mu Twin Triode Vintage Vacuum Tube

(1) Tested Tung-Sol 12AT7 Tube High-Mu Twin Triode Vintage Vacuum Tube

$24.9512.47

1x Westinghouse WL6SA7GA - 6AS7GA Twin Triode Tube - NOS NIB - Amplitrex Tested

1x Westinghouse WL6SA7GA - 6AS7GA Twin Triode Tube - NOS NIB - Amplitrex Tested

$34.5017.25

1 NOS RCA JAN 6SL7GT VT229 Vacuum Tube - Vintage Twin Triode for Audio Amps

1 NOS RCA JAN 6SL7GT VT229 Vacuum Tube - Vintage Twin Triode for Audio Amps

$20.0010.00