groove-tubes-12ax7-review

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Groove Tubes 12AX7,ECC83 Premium Vacuum Tubes Tested
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NOS Groove Tubes 12AX7 Vacuum Tube
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1X Groove Tube 12AX7 / ECC83 - Amplitrex Verified - 30 Day Returns
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Groove Tubes GT-ECC83-S/12AX7 Vacuum Tube Pair Hickok Tested
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Large Lot 40 -NIB/NOS GE 12AX7, GROOVE TUBES 12AX7, NIB 6DJ8 more... #114
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Rare Groove Tubes Select 7025/12AX7 Tube Ei Made High Quality Guitar Amplifier
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Groove Tubes Vacuum Tube GT12AX7R 2005 Untested
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TWELVE 12AX7 SOVTEK GUITAR AMP PREAMP TUBES GROOVE TUBES TAD UNTESTED NO RESERVE
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Working Pair Of Groove Tubes GT-12AX7 Tested Recently
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Groove Tubes GT12AX7-R PreAmp Amplifier Vacuum Tube NOS GT-12AX7-R SELECT 113208
Groove Tubes GT12AX7-R PreAmp Amplifier Vacuum Tube NOS GT-12AX7-R SELECT 113208

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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

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2 Groove tubes 12AX7 O-getter for McIntosh 240, Scott & guitar amplifiers Lot -6
2 Groove tubes 12AX7 O-getter for McIntosh 240, Scott & guitar amplifiers Lot -6

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one NOS new balanced Groove Tube GT12AX7M military spec 12AX7A 7025
one NOS new balanced Groove Tube GT12AX7M military spec 12AX7A 7025

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NOS new testing matched quad Fender Groove Tubes vacuum tubes
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12AX7 Tubes, LOT OF Six (6) 12AX7 TUBES, Three GT, Three Unbranded, ALL TESTED!
12AX7 Tubes, LOT OF Six (6) 12AX7 TUBES, Three GT, Three Unbranded, ALL TESTED!

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Groove Tubes ECC83 (7025 12AX7) Preamp Tube
Groove Tubes ECC83 (7025 12AX7) Preamp Tube

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Vintage Amperex "Orange Globe" 12AX7 ECC83 preamp tubes
Vintage Amperex "Orange Globe" 12AX7 ECC83 preamp tubes

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Vintage Grove Tubes Select ECC83 Tested VG+ Nice Balance Amplifier Audio Guitar
Vintage Grove Tubes Select ECC83 Tested VG+ Nice Balance Amplifier Audio Guitar

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Sovetek Groove Tubes 12AX7 WC Vacuum Tube Tests Good 102 / 97
Sovetek Groove Tubes 12AX7 WC Vacuum Tube Tests Good 102 / 97

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Groove Tubes GT-ECC83 -S tubes set of 2
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Qty. 4 Mullard 12ax7 ECC83 I63 Tubes - 3 of 4 Test Fair / 1 Poor
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12AX7 GE RB Audio Receiver Preamplifier Vacuum Tubes Tested Pair
12AX7 GE RB Audio Receiver Preamplifier Vacuum Tubes Tested Pair

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Groove Tubes Fender ECC 83 S / 12AX7 Vacuum Tube Tests Good 112 / 104
Groove Tubes Fender ECC 83 S / 12AX7 Vacuum Tube Tests Good 112 / 104

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MATCHED FOUR (4) GE 12AX7 ECC83 Grey Plate Amp Preamp Vacuum Tubes
MATCHED FOUR (4) GE 12AX7 ECC83 Grey Plate Amp Preamp Vacuum Tubes

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MATCHED LOT 18 GT 12AX7M GT12AX7M GROOVE TUBE VACUUM-TUBE 7025 PREAMP RATED: 15
MATCHED LOT 18 GT 12AX7M GT12AX7M GROOVE TUBE VACUUM-TUBE 7025 PREAMP RATED: 15

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Groove Tubes® GT-ECC83-S SELECT MODEL #: 5550112391 (Single) - Made in Slovakia
Groove Tubes® GT-ECC83-S SELECT MODEL #: 5550112391 (Single) - Made in Slovakia

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Matched pair Sylvania JHS 12AX7 vacuum tubes TESTED ‘Good’ NOS NIB
Matched pair Sylvania JHS 12AX7 vacuum tubes TESTED ‘Good’ NOS NIB

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Strong GT GROOVE TUBES Gray Plate O Getter GT- ECC83 Tube - 118/118
Strong GT GROOVE TUBES Gray Plate O Getter GT- ECC83 Tube - 118/118

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Groove Tubes 12AT7/6201/ECC81 Dual Triode Guitar Amp. Audio Vacuum Tube Valve- B
Groove Tubes 12AT7/6201/ECC81 Dual Triode Guitar Amp. Audio Vacuum Tube Valve- B

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3 NOS RARE TUBES PAIR 12AX7 ECC83 SQUARE GETTERS TALL PLATE 16 POINTS MICA 5Y3GT
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MATCHED PAIR SYLVANIA 12AX7 Audio Amplifier VACUUM TUBES USA Tested 10.7143-D
MATCHED PAIR SYLVANIA 12AX7 Audio Amplifier VACUUM TUBES USA Tested 10.7143-D

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MULLARD Bogen ECC83 /12AX7 MATCHED PAIR VACUUM TUBES 63B4 Great Britain
MULLARD Bogen ECC83 /12AX7 MATCHED PAIR VACUUM TUBES 63B4 Great Britain

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Sovetek Groove Tubes 12AX7R Vacuum Tube Tests Good 115 / 119
Sovetek Groove Tubes 12AX7R Vacuum Tube Tests Good 115 / 119

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Groove Tubes GT-ECC83-S Select Preamp Tube
Groove Tubes GT-ECC83-S Select Preamp Tube

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Groove Tubes GT-12AT7 S Select (Single) Preamp Tube
Groove Tubes GT-12AT7 S Select (Single) Preamp Tube

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3 POLAM ECC83 12AX7A Vacuum Tubes
3 POLAM ECC83 12AX7A Vacuum Tubes

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Groove Tubes GT-ECC83-S Select Preamp Tube
Groove Tubes GT-ECC83-S Select Preamp Tube

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PHILLIPS JAN 12AX7WA ECG PACKAGE OF 4 TUBES
PHILLIPS JAN 12AX7WA ECG PACKAGE OF 4 TUBES

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pair of vintage GE 12AX7 tubes tested ECC83
pair of vintage GE 12AX7 tubes tested ECC83

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Radio Tubes 12AX7 ECC83 Tung Sol Original USA 322NK3 NOS
Radio Tubes 12AX7 ECC83 Tung Sol Original USA 322NK3 NOS

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Groove Tubes® GT-12AT7 S Select (Single), 5550112400
Groove Tubes® GT-12AT7 S Select (Single), 5550112400

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12AX7/ECC83 Tungsram "Sylvania" MaxiPreamp2/TV7 tested
12AX7/ECC83 Tungsram "Sylvania" MaxiPreamp2/TV7 tested

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2 Strong Matched GE Long Gray Plate O Getter 12AX7 / ECC83 Tubes
2 Strong Matched GE Long Gray Plate O Getter 12AX7 / ECC83 Tubes

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Pair of 12AX7 Tubes, By Philips (Holland), For Its Subsidiary Rogers
Pair of 12AX7 Tubes, By Philips (Holland), For Its Subsidiary Rogers

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12AX7/ECC83 Tung-Sol MaxiPreamp2/TV7 tested
12AX7/ECC83 Tung-Sol MaxiPreamp2/TV7 tested

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Sovtek * 12AX7 Tubes * Quad * Tested 128/120 125/125 130/130 105/100
Sovtek * 12AX7 Tubes * Quad * Tested 128/120 125/125 130/130 105/100

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Pair of Mullard 12AX7 Tubes, One Branded Electrohome
Pair of Mullard 12AX7 Tubes, One Branded Electrohome

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Groove Tubes® GT-ECC83-S SELECT, 5550112391
Groove Tubes® GT-ECC83-S SELECT, 5550112391

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Electro-Harmonix * 12AX7 Tubes * Quad * Tested 130/120 125/130 118/130 115/130
Electro-Harmonix * 12AX7 Tubes * Quad * Tested 130/120 125/130 118/130 115/130

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Radio Tubes 12AX7 ECC83 Amperex Holland No Logo Tape I65 5K1 Matched Pair
Radio Tubes 12AX7 ECC83 Amperex Holland No Logo Tape I65 5K1 Matched Pair

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Pair of 12AX7 Tubes, By Philips of Netherlands. Among the Best Sounding Tubes
Pair of 12AX7 Tubes, By Philips of Netherlands. Among the Best Sounding Tubes

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JJ Tubes 12AX7 Vacuum Tube Tests Good 112 / 100
JJ Tubes 12AX7 Vacuum Tube Tests Good 112 / 100

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PAIR OF 12AX7 ECC83 VACUUM TUBES RCA & GE MADE (BJR5011)
PAIR OF 12AX7 ECC83 VACUUM TUBES RCA & GE MADE (BJR5011)

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Radio Tubes 12AX7 ECC83 Amperex Holland 1C4 Code 112/115
Radio Tubes 12AX7 ECC83 Amperex Holland 1C4 Code 112/115

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Electro Harmonix 12AX7 Vacuum Preamp Tube - Set of 4
Electro Harmonix 12AX7 Vacuum Preamp Tube - Set of 4

$85.00

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Electro-Harmonix * 12AX7 Tubes * Quad * Tested 120/130 130/130 130/125 118/125
Electro-Harmonix * 12AX7 Tubes * Quad * Tested 120/130 130/130 130/125 118/125

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Pair of 12AX7 Tubes, By Philips of Holland, Branded Dumont, Good Ratings
Pair of 12AX7 Tubes, By Philips of Holland, Branded Dumont, Good Ratings

$108.00

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Digitech GFX1 Twin Tube Guitar Preamp With Matching Foot Controller
Digitech GFX1 Twin Tube Guitar Preamp With Matching Foot Controller

$425.00

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Fender '65 Deluxe Reverb Tube Amplifier
Fender '65 Deluxe Reverb Tube Amplifier

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Groove Tubes GT-ECC83-S Select Preamp Tube - Single
Groove Tubes GT-ECC83-S Select Preamp Tube - Single

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GT Groove Tubes GT-ECC83-S Select 12ax7 Preamp Tube Maxi Tested
GT Groove Tubes GT-ECC83-S Select 12ax7 Preamp Tube Maxi Tested

$13.99

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KT66 Groove Tube 3 Matching Tubes New (New Old Stock) NEW 1 Year Warranty
KT66 Groove Tube 3 Matching Tubes New (New Old Stock) NEW 1 Year Warranty

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Groove Tubes 12AT7/6201/ECC81 Dual Triode Guitar Amp. Audio Vacuum Tube Valve- B
Groove Tubes 12AT7/6201/ECC81 Dual Triode Guitar Amp. Audio Vacuum Tube Valve- B

$55.00

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Groove Tubes GT-12AT7 S Select (Single) Preamp Tube - Open Box
Groove Tubes GT-12AT7 S Select (Single) Preamp Tube - Open Box

$29.99

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