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Matched Quad GE 12AX7 Gray Plate Tubes - Tested, Guaranteed Free Return
Matched Quad GE 12AX7 Gray Plate Tubes - Tested, Guaranteed Free Return

$85.00

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CV4004 12AX7 ECC83 TUBES US BRIMAR Ring Getter Maxi-Pre Tested = NOS+, bn3695
CV4004 12AX7 ECC83 TUBES US BRIMAR Ring Getter Maxi-Pre Tested = NOS+, bn3695

$59.95

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12AX7 Ei "Siemens" NOS/NIB Smooth Plate MaxiPreamp2/TV7 Tested ( 1 )Tube Lot
12AX7 Ei "Siemens" NOS/NIB Smooth Plate MaxiPreamp2/TV7 Tested ( 1 )Tube Lot

$69.99

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Sylvania JAN 12AX7 WA Audio Tube Tested Good 70/75 min 55/55
Sylvania JAN 12AX7 WA Audio Tube Tested Good 70/75 min 55/55

$22.11

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RCA 12AX7A ECC83 12AX7 TUBE (US-made strong tested!) *****
RCA 12AX7A ECC83 12AX7 TUBE (US-made strong tested!) *****

$25.00

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RCA 12AX7A ECC83 12AX7 TUBE (strong tested!)
RCA 12AX7A ECC83 12AX7 TUBE (strong tested!)

$25.00

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Vintage USED CBS 12AX7 Vacuum Tube...Tested GOOD
Vintage USED CBS 12AX7 Vacuum Tube...Tested GOOD

$18.99

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New Gain Tested Tung-Sol Reissue 12AX7 ECC83 Vacuum Tube - Authorized Dealer
New Gain Tested Tung-Sol Reissue 12AX7 ECC83 Vacuum Tube - Authorized Dealer

$31.57

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Mullard Blackburn 12AX7 ECC83 Tube, Tested Strong
Mullard Blackburn 12AX7 ECC83 Tube, Tested Strong

$24.99

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MESA STR SPAX7-A/12AX7 Vacuum Tube Hickok Tested
MESA STR SPAX7-A/12AX7 Vacuum Tube Hickok Tested

$24.95

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RCA12AX7/ECC83 & Vacuum Tubes Matched Pair (tested)
RCA12AX7/ECC83 & Vacuum Tubes Matched Pair (tested)

$32.00

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Pair (2) vintage 1960s Sylvania Baldwin 12AX7 vacuum tubes - TV-7 test as NOS
Pair (2) vintage 1960s Sylvania Baldwin 12AX7 vacuum tubes - TV-7 test as NOS

$47.95

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Magnavox 12AX7 Vacuum Tube - tested Strong
Magnavox 12AX7 Vacuum Tube - tested Strong

$20.00

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Brimar CV4004/12AX7 Flying Lead/ Box Plate PairTV7 Tested (2) tube lot
Brimar CV4004/12AX7 Flying Lead/ Box Plate PairTV7 Tested (2) tube lot

$199.99

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SYLVANIA 12AX7 Grey Plates O-Getter Made in USA 1960's Vacuum Tube Tested (T21)
SYLVANIA 12AX7 Grey Plates O-Getter Made in USA 1960's Vacuum Tube Tested (T21)

$24.56

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Mullard 12AX7 ECC83 Vacuum Tube Short Gray Plate Blackburn TV-7 Tested
Mullard 12AX7 ECC83 Vacuum Tube Short Gray Plate Blackburn TV-7 Tested

$37.50

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AMPEREX 12AX7A ECC83 TUBE (1966 bugle-boy I61-series strong tested!) *****
AMPEREX 12AX7A ECC83 TUBE (1966 bugle-boy I61-series strong tested!) *****

$55.00

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Mullard Blackburn 12AX7 ECC83 Tube, Tested Strong
Mullard Blackburn 12AX7 ECC83 Tube, Tested Strong

$26.99

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Matched Pair NOS Sylvania Baldwin 12AX7 Vacuum Tube TV7 Tested 16 Available
Matched Pair NOS Sylvania Baldwin 12AX7 Vacuum Tube TV7 Tested 16 Available

$55.00

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MULLARD BLACKBURN 12AX7 ECC83 TUBE (GB-made I61-series 1959 strong tested!) ****
MULLARD BLACKBURN 12AX7 ECC83 TUBE (GB-made I61-series 1959 strong tested!) ****

$45.00

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Baldwin 12AX7 tube - made in Japan - 1963 - tested on Maxi-Preamp 2 tester
Baldwin 12AX7 tube - made in Japan - 1963 - tested on Maxi-Preamp 2 tester

$30.00

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12AX7A TUBE, TESTED (3 AVAILABLE @ $ 13.00 EACH)
12AX7A TUBE, TESTED (3 AVAILABLE @ $ 13.00 EACH)

$13.00

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Mullard IEC 12AX7 ECC83 Blackburn Tube Tested Strong.
Mullard IEC 12AX7 ECC83 Blackburn Tube Tested Strong.

$38.99

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1977 GE 12AX7A 7025 VINTAGE AUDIO TUBE TV7+ TESTED
1977 GE 12AX7A 7025 VINTAGE AUDIO TUBE TV7+ TESTED

$15.00

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Vintage JJ ECC83S 12AX7 ACZ Preamp Vacuum Tube Tested Good Amplifier Audio
Vintage JJ ECC83S 12AX7 ACZ Preamp Vacuum Tube Tested Good Amplifier Audio

$14.00

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Sylvania 12AD7 Low Noise 12AX7 Vacuum Tube Tested Good Smooth Black Plate
Sylvania 12AD7 Low Noise 12AX7 Vacuum Tube Tested Good Smooth Black Plate

$59.95

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1 x 12AX7A/7025 G.E. Tube*Short Plates -O*Tested Good*#1
1 x 12AX7A/7025 G.E. Tube*Short Plates -O*Tested Good*#1

$24.99

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Baldwin & Audio Classic 12AX7 Vacuum Tube Matched Pair (tested)
Baldwin & Audio Classic 12AX7 Vacuum Tube Matched Pair (tested)

$30.00

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Sylvania JHS 12AX7 ECC83 Vacuum Tubes Matched Pair TV-7 Tested NOS
Sylvania JHS 12AX7 ECC83 Vacuum Tubes Matched Pair TV-7 Tested NOS

$64.50

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12AX7/ECC83 Mullard copper post/etched code MaxiPreamp2/TV7 tested (1) tube lot
12AX7/ECC83 Mullard copper post/etched code MaxiPreamp2/TV7 tested (1) tube lot

$99.99

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Groove Tubes 12AX7,ECC83 Premium Vacuum Tubes Tested
Groove Tubes 12AX7,ECC83 Premium Vacuum Tubes Tested

$19.95

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Haltron 12AX7 Electron Tube Tested NOS
Haltron 12AX7 Electron Tube Tested NOS

$50.00

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1 CBS 12AD7 Low Noise 12AX7 Black Plate Vacuum Tube Tested NOS on TV - 7
1 CBS 12AD7 Low Noise 12AX7 Black Plate Vacuum Tube Tested NOS on TV - 7

$99.95

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Two GE 12AX7 Vacuum Tubes Tested
Two GE 12AX7 Vacuum Tubes Tested

$44.95

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12AX7 ECC83 MATCHED QUINTET (5) G.E TUBES TESTED EXCELLENT NOS! RARE BRAND NEW!!
12AX7 ECC83 MATCHED QUINTET (5) G.E TUBES TESTED EXCELLENT NOS! RARE BRAND NEW!!

$522.75

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RCA 5751 12AX7 Tube, Black Plates, Tested
RCA 5751 12AX7 Tube, Black Plates, Tested

$24.00

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1 x 12AX7 RCA Tube*Long Grey-D*Very Strong Testing*1959*#20
1 x 12AX7 RCA Tube*Long Grey-D*Very Strong Testing*1959*#20

$27.99

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5 Vintage Assorted 12AX7 7025 12AX7A Vacuum Tubes TV7DU Tested
5 Vintage Assorted 12AX7 7025 12AX7A Vacuum Tubes TV7DU Tested

$79.99

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Telefunken 12AX7 ECC83, Smooth Plate Tube, Maxi PreAmp 2 Tested STRONG, SM1440
Telefunken 12AX7 ECC83, Smooth Plate Tube, Maxi PreAmp 2 Tested STRONG, SM1440

$64.24

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RCA 5751 12AX7 Vacuum Tube Triple Mica Angled Square Getter TV-7 Tested
RCA 5751 12AX7 Vacuum Tube Triple Mica Angled Square Getter TV-7 Tested

$32.00

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12AX7A/ECC83/7025 Philips NOSVacuum Tube, Vacuum Tube, B&K 747B Tested
12AX7A/ECC83/7025 Philips NOSVacuum Tube, Vacuum Tube, B&K 747B Tested

$35.00

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Nice Tested GE 12AX7 Twin Triode / Old Vintage Ham Radio Tube Guitar Audio Amp 2
Nice Tested GE 12AX7 Twin Triode / Old Vintage Ham Radio Tube Guitar Audio Amp 2

$7.00

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Used but tested pre 12ax7 12at7 12au7 12ay7 6DJ8 6922 7308 Prices from $15-$150
Used but tested pre 12ax7 12at7 12au7 12ay7 6DJ8 6922 7308 Prices from $15-$150

$15.50

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1 x 12AX7 RCA Tube*Long Grey-D*Very Strong Testing*1959*#18
1 x 12AX7 RCA Tube*Long Grey-D*Very Strong Testing*1959*#18

$29.99

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Gain Tested Sovtek 12AX7WA / 7025 / ECC83 Vacuun Tube - Brand New
Gain Tested Sovtek 12AX7WA / 7025 / ECC83 Vacuun Tube - Brand New

$29.65

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Vintage Mullard 12AX7/ECC83 Preamp Vacuum Tube Tested NOS NIB Amplifier Audio
Vintage Mullard 12AX7/ECC83 Preamp Vacuum Tube Tested NOS NIB Amplifier Audio

$60.00

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1 Strong tv7 tested 1950's Rca long black plate, D getter 12ax7 tube
1 Strong tv7 tested 1950's Rca long black plate, D getter 12ax7 tube

$35.00

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AMPEREX Bugle Boy 12AX7 ECC83 Vacuum tube test Excellent balanced round ring VGC
AMPEREX Bugle Boy 12AX7 ECC83 Vacuum tube test Excellent balanced round ring VGC

$49.95

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Groove Tubes GT-ECC83-S/12AX7 Vacuum Tube Pair Hickok Tested
Groove Tubes GT-ECC83-S/12AX7 Vacuum Tube Pair Hickok Tested

$27.95

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Amperex Bugle Boy ECC83 12AX7 MC6 DELTA 8L CLEF Long Plate Tube Tested 87% NOS £
Amperex Bugle Boy ECC83 12AX7 MC6 DELTA 8L CLEF Long Plate Tube Tested 87% NOS £

$147.99

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Grove Tube & Baldwin 12AX7 Vacuum Tube Matched Pair (tested)
Grove Tube & Baldwin 12AX7 Vacuum Tube Matched Pair (tested)

$30.00

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Raytheon 12AX7 ECC83 NOS NIB Short Grey Plates Halo Getter Tube Tested STR-3
Raytheon 12AX7 ECC83 NOS NIB Short Grey Plates Halo Getter Tube Tested STR-3

$39.95

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PENTA 12AX7M Grey Plate Tube Hickok & MAXI Tested (93% NOS)🎧
PENTA 12AX7M Grey Plate Tube Hickok & MAXI Tested (93% NOS)🎧

$39.99

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1961 Amperex 12AX7 ECC83 Tube - Hickok TV7B tests @ 38/44, min: 32/32
1961 Amperex 12AX7 ECC83 Tube - Hickok TV7B tests @ 38/44, min: 32/32

$33.95

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12AX7 vacuum tube -TESTED WORKING
12AX7 vacuum tube -TESTED WORKING

$11.25

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Sylvania black plate 12ax7 tube Amplitrex Tested Strong
Sylvania black plate 12ax7 tube Amplitrex Tested Strong

$25.00

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TELEFUNKEN 12AX7 ECC83 TUBE (1961 ripple plate diamond strong tested!) ***
TELEFUNKEN 12AX7 ECC83 TUBE (1961 ripple plate diamond strong tested!) ***

$65.00

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GE * 12AX7 Tube * Tested 110/112
GE * 12AX7 Tube * Tested 110/112

$24.99

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NEC 7025A 12AX7 TUBE (Japan-made strong tested!) *****
NEC 7025A 12AX7 TUBE (Japan-made strong tested!) *****

$25.00

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2 Psvane 12AX7 Gold Pin T Mark II ECC83 Matched Pair Tube TESTED EX
2 Psvane 12AX7 Gold Pin T Mark II ECC83 Matched Pair Tube TESTED EX

$75.00

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TESTED GE 5751 TRIPLE MICA BLACK PLATE PREAMP TUBE LOWER GAIN SUB FOR 12AX7
TESTED GE 5751 TRIPLE MICA BLACK PLATE PREAMP TUBE LOWER GAIN SUB FOR 12AX7

$29.95

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TELEFUNKEN 12AX7 ECC83 TUBE (smooth plate diamond 1963 strong tested!) ***
TELEFUNKEN 12AX7 ECC83 TUBE (smooth plate diamond 1963 strong tested!) ***

$55.00

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NOS new testing matched quad Groove Tube GT12AX7M military spec 12AX7A 7025
NOS new testing matched quad Groove Tube GT12AX7M military spec 12AX7A 7025

$44.99

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NOS Amperex Bugle Boy 12AX7 ECC83 Vacuum Tubes Short Plate Amplitrex Tested NOS
NOS Amperex Bugle Boy 12AX7 ECC83 Vacuum Tubes Short Plate Amplitrex Tested NOS

$55.00

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Strong Sylvania 7025 12AX7 ECC83 Long Plate Halo Getter Tube - TV7 Tested NOS
Strong Sylvania 7025 12AX7 ECC83 Long Plate Halo Getter Tube - TV7 Tested NOS

$30.00

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GE & LMI 12AX7 Vacuum Tube Matched Pair (tested)
GE & LMI 12AX7 Vacuum Tube Matched Pair (tested)

$30.00

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Pair Mullard 12AX7 ecc83 Long Plate Vacuum Tube Amplitrex Tested Strong
Pair Mullard 12AX7 ecc83 Long Plate Vacuum Tube Amplitrex Tested Strong

$190.00

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Brand New In Box JJ Electronics Tesla 12AX7 ECC83-S Vacuum Tube Gain Tested
Brand New In Box JJ Electronics Tesla 12AX7 ECC83-S Vacuum Tube Gain Tested

$23.87

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RAYTHEON (MATSUSHITA) 2AX7A ECC83 TUBE (Japan-made STRONG TESTED!)
RAYTHEON (MATSUSHITA) 2AX7A ECC83 TUBE (Japan-made STRONG TESTED!)

$19.00

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Mullard 12AX7 ECC83 Vintage Audio Amplifier Guitar Preamp Vacuum Tube Tested
Mullard 12AX7 ECC83 Vintage Audio Amplifier Guitar Preamp Vacuum Tube Tested

$66.65

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NOS Sylvania Baldwin 12AX7 Vacuum Tube Tested Matching Date Code Long Grey plate
NOS Sylvania Baldwin 12AX7 Vacuum Tube Tested Matching Date Code Long Grey plate

$25.00

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JJ & CMI 12AX7 Vacuum Tubes Matched Pair (tested)
JJ & CMI 12AX7 Vacuum Tubes Matched Pair (tested)

$30.00

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Lot of 4 RCA Sylvania Raytheon 12AX7A 12AX7 ECC83 Tubes - TV7 Tested
Lot of 4 RCA Sylvania Raytheon 12AX7A 12AX7 ECC83 Tubes - TV7 Tested

$47.00

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Shuguang 12AX7 Grey Plate Tube Hickok & MAXI Tested NOS 🎧
Shuguang 12AX7 Grey Plate Tube Hickok & MAXI Tested NOS 🎧

$15.99

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4 Nice Tested Vintage Raytheon 12AX7/A/ECC83 Vacuum Tubes w/Bonus Tube
4 Nice Tested Vintage Raytheon 12AX7/A/ECC83 Vacuum Tubes w/Bonus Tube

$77.99

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1-Motorola by RCA 7058 12AX7 Vacuum Tube NOS/NIB Tested
1-Motorola by RCA 7058 12AX7 Vacuum Tube NOS/NIB Tested

$22.99

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5 Nice Tested Vintage RCA 7025/12AX7/A/ECC83 Vacuum Tubes...... 2 New Old Stock!
5 Nice Tested Vintage RCA 7025/12AX7/A/ECC83 Vacuum Tubes...... 2 New Old Stock!

$136.49

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Amperex Admiral 12AX7 ECC83 Vacuum Tube Amplitrex Tested NOS
Amperex Admiral 12AX7 ECC83 Vacuum Tube Amplitrex Tested NOS

$45.00

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Hitachi 12AX7A ECC83 Short Grey Plate O-Getter Tested Good Balanced Tube
Hitachi 12AX7A ECC83 Short Grey Plate O-Getter Tested Good Balanced Tube

$28.45

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12 AX 7, Unknown Brand Tube, Tested 96%, No Box, Lot #4
12 AX 7, Unknown Brand Tube, Tested 96%, No Box, Lot #4

$22.00

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HIGH GAIN (112.6, 102.7) TESTED RCA 12AX7A TUBE SHORT GREY PLATE HALO GETTER
HIGH GAIN (112.6, 102.7) TESTED RCA 12AX7A TUBE SHORT GREY PLATE HALO GETTER

$39.95

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JJ ECC83S / 12AX7 Vacuum Tubes (Pair). New OEM Tested. From mfr's new stock
JJ ECC83S / 12AX7 Vacuum Tubes (Pair). New OEM Tested. From mfr's new stock

$35.00

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Amperex ECC83 12AX7 (Pentron) Grey Plate Halo Get Tube Hickok&MAXI Tested ANOS🎧
Amperex ECC83 12AX7 (Pentron) Grey Plate Halo Get Tube Hickok&MAXI Tested ANOS🎧

$52.50

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GE General-Electronics 12AX7 ECC83 TUBE (strong tested!) ***
GE General-Electronics 12AX7 ECC83 TUBE (strong tested!) ***

$25.00

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NIB SOVTEK 12AX7 LPS (ECC83) Audio Amplifier Vacuum Tube TESTED 9.8197
NIB SOVTEK 12AX7 LPS (ECC83) Audio Amplifier Vacuum Tube TESTED 9.8197

$22.95

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Sylvania Red Label 12AX7 ECC83 Vintage Audio Guitar Amplifier Preamp Tube Tested
Sylvania Red Label 12AX7 ECC83 Vintage Audio Guitar Amplifier Preamp Tube Tested

$40.00

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Pair Ei ECC83 12AX7 Tubes Long Silver Plates Tested NOS 2A1
Pair Ei ECC83 12AX7 Tubes Long Silver Plates Tested NOS 2A1

$119.99

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1x Raytheon 12AX7 ECC83 Gray Plate O Getter Vacuum Tube- TV-7 Tested 92/98%
1x Raytheon 12AX7 ECC83 Gray Plate O Getter Vacuum Tube- TV-7 Tested 92/98%

$34.95

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7025/12AX7WA NOS Matched Pair Vacuum Tubes Hickok Tested SOVTEK Russia
7025/12AX7WA NOS Matched Pair Vacuum Tubes Hickok Tested SOVTEK Russia

$39.95

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Sylvania 6681 12AX7 Vacuum Tube TV7 Tested Strong
Sylvania 6681 12AX7 Vacuum Tube TV7 Tested Strong

$20.00

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5 (SLEEVE) MATCHED NOS NIB GE 5 STAR 5751 12AX7 TUBES MATCH DATES AMPLITREX TEST
5 (SLEEVE) MATCHED NOS NIB GE 5 STAR 5751 12AX7 TUBES MATCH DATES AMPLITREX TEST

$175.00

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1-Motorola by RCA 7058 12AX7 Vacuum Tube NOS/NIB Tested Balanced
1-Motorola by RCA 7058 12AX7 Vacuum Tube NOS/NIB Tested Balanced

$29.99

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GE General-Electronics 12AX7 ECC83 TUBE (strong tested!)
GE General-Electronics 12AX7 ECC83 TUBE (strong tested!)

$19.00

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NOS GE 12AX7 Vacuum tube - White Box - Tested
NOS GE 12AX7 Vacuum tube - White Box - Tested

$39.99

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12AX7 Amperex Bugle Boy Tube - Amplitrex Tested 93/106% Gm - 1963 Mfg (?)
12AX7 Amperex Bugle Boy Tube - Amplitrex Tested 93/106% Gm - 1963 Mfg (?)

$65.00

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Tung-Sol 12AX7 Vacuum Tube NOS Hickok Tested Russia Reissue
Tung-Sol 12AX7 Vacuum Tube NOS Hickok Tested Russia Reissue

$19.95

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Mullard 7025 (12AX7), Copper Grid Posts, Grey Plates, TV-7 Test = 92% & 96%
Mullard 7025 (12AX7), Copper Grid Posts, Grey Plates, TV-7 Test = 92% & 96%

$47.50

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Closely Matched Pair Haltron 12AX7 ECC83 Tested Like NOS Balanced Tube
Closely Matched Pair Haltron 12AX7 ECC83 Tested Like NOS Balanced Tube

$88.45

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12AX7 / 7025 Balanced GE Tube New (New Old Stock) Test New 1 Year Warranty
12AX7 / 7025 Balanced GE Tube New (New Old Stock) Test New 1 Year Warranty

$38.45

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1953 GE 12AX7 Test NOS Long Grey Plate 2 Dimple Foil Horseshoe Serious Tube A454
1953 GE 12AX7 Test NOS Long Grey Plate 2 Dimple Foil Horseshoe Serious Tube A454

$35.00

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