Discount Guitar Page #100
Discount Fender GT6550 Tube Red Sextet (099-4003-106)
Fender tube amps now come factory equipped with matched Groove tubes. Because they are color...
Discount Fender GT6550 Tube White Sextet (099-4003-206)
Fender tube amps now come factory equipped with matched Groove tubes. Because they are color...
Discount Fender GT6L6 Tube Blue Duet (099-4001-302)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GT6L6 Tube Red Duet (099-4001-102)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GT6L6 Tube White Duet (099-4001-202)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GT6L6 Tube Blue Quartet (099-4001-304)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GT6L6 Tube Red Quartet (099-4001-104)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GT6L6 Tube White Quartet (099-4001-204)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GT6V6 Tube Blue Duet (099-4004-302)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GT6V6 Tube Red Duet (099-4004-102)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GT6V6 Tube White Duet (099-4004-202)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GTEL84 Tube Blue Duet (099-4002-302)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GTEL84 Tube Red Duet (099-4002-102)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GTEL84 Tube White Duet (099-4002-202)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GT12AT7 Tube (099-4006-000)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Fender GT12AX7A Tube (099-4005-000)
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and...
Discount Groove Tube Tube Bias Tool (BIAS TOOL & MANUAL)
An inline socket adapter tool that is placed between the output socket and the output...
Discount Groove Tube Gold Series GT-12AU7 Preamp Tube (GT-12AU7)
This design is from the Ei factory located in the former Yugoslavia. It's an excellent...
Discount Groove Tube Gold Series GT-12AT7 Preamp Tube (GT-12AT7)
Highest quality JAN spec. military tube. NOS, made in USA with extremely long life. Used...
Discount Ruby Tubes 6L6GC STR Matched Amp Tubes Duet (TU6L6GCMSTR-MP)
All Ruby output tubes are labeled on the base with the exact matching measurements for...
Discount Ruby Tubes 6L6GC STR Matched Amp Tubes Quartet (TU6L6GCMSTR-MQ)
All Ruby output tubes are labeled on the base with the exact matching measurements for...
Discount Ruby Tubes EL84 Premium Matched Duet (TUEL84CZ-MP)
A premium tube that produces more power, more tone, and higher fidelity with an extended...
Discount Ruby Tubes EL84 Premium Matched Quartet (TUEL84CZ-MQ)
A premium tube that produces more power, more tone, and higher fidelity with an extended...
Discount Ruby Tubes 6V6 Matched Amp Tube Duet (TU6V6GTBC-MP)
Revive your old Deluxe Reverb with this premium tube. All Ruby output tubes are labeled...
Discount Ruby Tubes 6V6 Matched Amp Tube Quartet (TU6V6GTBC-MQ)
Revive your old Deluxe Reverb with this premium tube. All Ruby output tubes are labeled...
Discount Ruby Tubes EL34 Matched Tube Duet (TUEL34BSTR-MP)
Ruby exclusive with large bottle, gold-plated grid, and extra internal anchoring. All Ruby output tubes...
Discount Ruby Tubes EL34 Matched Tube Quartet (TUEL34BSTR-MQ)
Ruby exclusive with large bottle, gold-plated grid, and extra internal anchoring. All Ruby output tubes...
Discount Ruby Tubes ECC83 (12AX7A) Preamp Tube (TU12AX7ACZ)
Hand-picked Tesla with lower gain and a full, robust tone. All Ruby output tubes are...
Discount Ruby Tubes A Tone Plug & Play Tube Adapter Pair (EQAT-PAIR)
Allows you to use EL84s in place of 6L6GC, 5881, EL34, and 6V6GT power tubes...
Discount Groove Tube GT-EL34-R Tube Hardness 1 Quartet (GTEL34R QT H-1)
This Russian-made pentode is standard issue on many UK amps and has great durability. As...
Discount Groove Tube GT-EL34-C Tubes Hardness 1 Duet (GT-EL34-C DT H-1)
Popular for its soft breakup and the warmer tone that results from its lighter-weight plate...
Discount Groove Tube GT6L6S Tube Hardness 9 Quartet (GT6L6S H-9 QT)
Slovakian-made with high power and very aggressive dynamic tone with more highs and lows...punchier sounding...
Discount Groove Tube Gold Series GT-12AX7-C Preamp Tube (GT-12AX7-C)
The ever-popular and sorely missed Chinese 12AX7 is finally back! This tube has a warm,...
Discount Groove Tube GT-EL84-R Tube Hardness 10 Duet (GTEL84R H-1 DT)
A Russian EL84, this is the most common low-power pentode, popularized in early Vox AC30...
Discount Groove Tube Gold Series GT-ECC83-S Preamp Tube (GT-ECC83-S)
Classic Euro type with medium to high gain and a linear frequency response. Very clear,...
Discount Groove Tube GT-6550R Tubes Hardness 4 Duet (GT6550R H-4 DT)
Highest power pentode for use in Marshall, Hiwatt, Ampeg SVT, the GT amps and a...
Discount Groove Tube GT-6550R Tubes Hardness 7 Quartet (GT6550R H-7 QT)
Highest power pentode for use in Marshall, Hiwatt, Ampeg SVT, the GT amps and a...
Discount Groove Tube GT-6550R Tubes Hardness 2 Quartet (GT6550R H-2 QT)
Highest power pentode for use in Marshall, Hiwatt, Ampeg SVT, the GT amps and a...
Discount Groove Tube Gold Series GT-5Y3/GZ30 Rectifier Tube (GT-5Y3/GZ30)
Common to lower powered Fender amps such as the Champ, Princeton and Deluxe amps. May...
Discount Groove Tube Gold Series GT-5U4/GZ32 Rectifier Tube (GT-5U4/GZ32)
Common to many medium powered amps such as the Fender Blackface amps. This is the...
Discount Groove Tube Substi-Tube 1 6SJ7 to 12AX7 Octal to 9-Pin Adaptor (Substi-Tube 3)
Groove Tubes Substi-Tubes allow the replacement of octal-type preamp tubes with the more common and...
Discount Groove Tube Gold Series GT-5AR4/GZ34 Rectifier Tube (GT5AR4/GZ34)
The most common rectifier used in higher powered amps which use a rectifier such as...
Discount Electro-Harmonix 6V6EH Tubes Duet (6V6EH Duet)
Sweet, singing tone for high plate voltage amps. The 6V6EH combines a specially developed cathode...
Discount Electro-Harmonix 6V6EH Tubes Quartet (6V6EH Quartet)
Sweet, singing tone for high plate voltage amps. The 6V6EH combines a specially developed cathode...
Discount Sovtek 6AL5 Tube (6AL5)
Replaces 6AL5, 6EB5, EAA91, or 5726 types....
Discount Groove Tube Gold Series GT-6V6-C Matched Power Tube Low (1-3 GT Rating) Duet (GT-6V6-C Duet Low)
GT-6V6-C Duet Classically designed with warm overdrive and soft distortion character. Chinese made copy of...
Discount Groove Tube Gold Series GT-6V6-C Matched Power Tube Low (1-3 GT Rating) Quartet (GT-6V6-C Quartet Low)
GT-6V6-C Duet Classically designed with warm overdrive and soft distortion character. Chinese made copy of...
Discount Groove Tube Gold Series GT-6V6-C Matched Power Tube High (8-10 GT Rating) Duet (GT-6V6-C Duet High)
GT-6V6-C Duet Classically designed with warm overdrive and soft distortion character. Chinese made copy of...
Discount Groove Tube Gold Series GT-6V6-C Matched Power Tube Medium (4-7 GT Rating Duet (GT-6V6-C Duet Medium)
GT-6V6-C Duet Classically designed with warm overdrive and soft distortion character. Chinese made copy of...
Discount Groove Tube Gold Series GT-6V6-R Marched Power Tubes Low (1-3 GT Rating) Duet (GT-6V6-R Duet Low)
GT-6V6-C Duet Classically designed with warm overdrive and soft distortion character. Chinese made copy of...
Discount Groove Tube Gold Series GT-6V6-R Marched Power Tubes Medium (4-7 GT Rating) Duet (GT-6V6-R Duet Medium)
GT-6V6-C Duet Classically designed with warm overdrive and soft distortion character. Chinese made copy of...
Discount Groove Tube Gold Series GT-6V6-R Marched Power Tubes Medium (4-7 GT Rating) Quartet (GT-6V6-R Quartet Medium)
GT-6V6-C Duet Classically designed with warm overdrive and soft distortion character. Chinese made copy of...
Discount Groove Tube Gold Series GT-6V6-S Matched Power Tubes Low (1-3 GT Rating) Duet (GT-6V6-S Duet Low)
GT-6V6-S Duet Highest output 6V6. This tube has more of the character of a 6L6...
Discount Groove Tube Gold Series GT-6V6-S Matched Power Tubes Low (1-3 GT Rating) Quartet (GT-6V6-S Quartet Low)
GT-6V6-S Duet Highest output 6V6. This tube has more of the character of a 6L6...
Discount Groove Tube Gold Series GT-6V6-S Matched Power Tubes High (8-10 GT Rating) Duet (GT-6V6-S Duet Medium)
GT-6V6-S Duet Highest output 6V6. This tube has more of the character of a 6L6...
Discount Groove Tube Gold Series GT-6V6-S Matched Power Tubes Quartet
GT-6V6-S Duet Highest output 6V6. This tube has more of the character of a 6L6...
Discount Groove Tube Gold Series GT-6V6-S Matched Power Tubes Medium (4-7 GT Rating) Duet (GT-6V6-S Duet Medium)
GT-6V6-S Duet Highest output 6V6. This tube has more of the character of a 6L6...
Discount Groove Tube Gold Series GT-6L6-R Matched Power Tubes Low (1-3 GT Rating) Duet (GT-6L6-R Duet L)
GT-6L6-R (B) Duet Russian made, same as the 5881, but matched in the GT system....
Discount Groove Tube Gold Series GT-6L6-R Matched Power Tubes Low (1-3 GT Rating) Quartet (GT-6L6-R Quartet L)
GT-6L6-R (B) Duet Russian made, same as the 5881, but matched in the GT system....
Discount Groove Tube Gold Series GT-6L6-R Matched Power Tubes High (8-10 GT Rating) Duet (GT-6L6-R Duet H)
GT-6L6-R (B) Duet Russian made, same as the 5881, but matched in the GT system....
Discount Groove Tube Gold Series GT-6L6-R Matched Power Tubes High (8-10 GT Rating) Quartet (GT-6L6-R Quartet H)
GT-6L6-R (B) Duet Russian made, same as the 5881, but matched in the GT system....
Discount Groove Tube Gold Series GT-6L6-R Matched Power Tubes Medium (4-7 GT Rating) Duet (GT-6L6-R Duet M)
GT-6L6-R (B) Duet Russian made, same as the 5881, but matched in the GT system....
Discount Groove Tube Gold Series GT-6L6-R Matched Power Tubes Medium (4-7 GT Rating) Quartet (GT-6L6-R Quartet M)
GT-6L6-R (B) Duet Russian made, same as the 5881, but matched in the GT system....
Discount Groove Tube Gold Series GT-6L6-C Matched Power Tubes Low (1-3 GT Rating) Duet (GT-6L6-CHP Duet Low)
GT-6L6-C Duet Chinese made, sweeter tone and nice break up. Latest design handles higher plate...
Discount Groove Tube Gold Series GT-6L6-C Matched Power Tubes Low (1-3 GT Rating) Quartet (GT-6L6-CHP Qrtet Low)
GT-6L6-C Duet Chinese made, sweeter tone and nice break up. Latest design handles higher plate...
Discount Groove Tube Gold Series GT-6L6-C Matched Power Tubes High (8-10 GT Rating) Duet (GT-6L6-CHP Duet High)
GT-6L6-C Duet Chinese made, sweeter tone and nice break up. Latest design handles higher plate...
Discount Groove Tube Gold Series GT-6L6-C Matched Power Tubes High (8-10 GT Rating) Quartet (GT-6L6-CHP Qrtet Hi)
GT-6L6-C Duet Chinese made, sweeter tone and nice break up. Latest design handles higher plate...
Discount Groove Tube Gold Series GT-6L6-C Matched Power Tubes Medium (4-7 GT Rating) Duet (GT-6L6-CHP Duet Med)
GT-6L6-C Duet Chinese made, sweeter tone and nice break up. Latest design handles higher plate...
Discount Groove Tube Gold Series GT-6L6-C Matched Power Tubes Medium (4-7 GT Rating) Quartet (GT-6L6-CHP Qrt Med)
GT-6L6-C Duet Chinese made, sweeter tone and nice break up. Latest design handles higher plate...
Discount Groove Tube Gold Series GT-6L6-S Matched Power Tubes Low (1-3 GT Rating) Duet (GT-6L6-S Duet Low)
GT-6L6-S Duet Slovakian made with high power and very agressive dynamic tone...punchy, but still sweet....
Discount Groove Tube Gold Series GT-6L6-S Matched Power Tubes Hardness 1 Quartet (GT-6L6-S Quartet Low)
GT-6L6-S Duet Slovakian made with high power and very agressive dynamic tone...punchy, but still sweet....
Discount Groove Tube Gold Series GT-6L6-S Matched Power Tubes High (8-10 GT Rating) Duet (GT-6L6-S Duet High)
GT-6L6-S Duet Slovakian made with high power and very agressive dynamic tone...punchy, but still sweet....
Discount Groove Tube Gold Series GT-6L6-S Matched Power Tubes High (8-10 GT Rating) Quartet (GT-6L6-S Quartet Medium)
GT-6L6-S Duet Slovakian made with high power and very agressive dynamic tone...punchy, but still sweet....
Discount Groove Tube Gold Series GT-6L6-S Matched Power Tubes Medium (4-7 GT Rating) Duet (GT-6L6-S Duet Medium)
GT-6L6-S Duet Slovakian made with high power and very agressive dynamic tone...punchy, but still sweet....
Discount Groove Tube Gold Series GT-KT66-C Matched Power Tubes Low (1-3 GT Rating) Duet (GT-KT66-C Duet Low)
GT-KT66-C Duet Chinese made copy of the classic KT66. Great sounding - one step down...
Discount Groove Tube Gold Series GT-KT66-C Matched Power Tubes Low (1-3 GT Rating) Quartet (GT-KT66-C Quartet Lo)
GT-KT66-C Duet Chinese made copy of the classic KT66. Great sounding - one step down...
Discount Groove Tube Gold Series GT-KT66-C Matched Power Tubes Medium (4-7 GT Rating) Duet (GT-KT66-C Duet Medium)
GT-KT66-C Duet Chinese made copy of the classic KT66. Great sounding - one step down...
Discount Groove Tube Gold Series GT-KT66-C Matched Power Tubes Medium (4-7 GT Rating) Quartet (GT-KT66-C Quartet Medium)
GT-KT66-C Duet Chinese made copy of the classic KT66. Great sounding - one step down...
Discount Groove Tube Gold Series GT-KT66-HP Matched Power Tubes Low (1-3 GT Rating) Duet (GT-KT66-HP Duet Low)
GT-KT66-HP Duet New and exclusive GT design. An exact copy of legendary Gold Lion "valve"...
Discount Groove Tube Gold Series GT-KT66-HP Matched Power Tubes High (8-10 GT Rating) Duet (GT-KT66-HP Duet High)
GT-KT66-HP Duet New and exclusive GT design. An exact copy of legendary Gold Lion "valve"...
Discount Groove Tube Gold Series GT-KT66-HP Matched Power Tubes High (8-10 GT Rating) Quartet (GT-KT66-HP Quartet High)
GT-KT66-HP Duet New and exclusive GT design. An exact copy of legendary Gold Lion "valve"...
Discount Groove Tube Gold Series GT-KT66-HP Matched Power Tubes Medium (4-7 GT Rating) Duet (GT-KT66-HP Duet Medi)
GT-KT66-HP Duet New and exclusive GT design. An exact copy of legendary Gold Lion "valve"...
Discount Groove Tube Gold Series GT-KT66-HP Matched Power Tubes Medium (4-7 GT Rating) Quartet (GT-KT66-HP Quartet Medium)
GT-KT66-HP Duet New and exclusive GT design. An exact copy of legendary Gold Lion "valve"...
Discount Groove Tube Gold Series GT-6L6-GE Matched Power Tubes Low ( 1-3 GT Rating) Duet (GT-6L6-GE Duet Low)
GT-6CA7GE Duet The reissue of the famed GE 6CA7. Active beam forming element, high vacuum....
Discount Groove Tube Gold Series GT-6L6-GE Matched Power Tubes Low (1-3 GT Rating) Quartet (GT-6L6-GE Quartet Lo)
GT-6CA7GE Duet The reissue of the famed GE 6CA7. Active beam forming element, high vacuum....
Discount Groove Tube Gold Series GT-6L6-GE Matched Power Tubes High (8-10 GT Rating) Duet (GT-6L6-GE Duet High)
GT-6CA7GE Duet The reissue of the famed GE 6CA7. Active beam forming element, high vacuum....
Discount Groove Tube Gold Series GT-6L6-GE Matched Power Tubes High (8-10 GT Rating) Quartet (GT-6L6-GE Quartet Hi)
GT-6CA7GE Duet The reissue of the famed GE 6CA7. Active beam forming element, high vacuum....
Discount Groove Tube Gold Series GT-6L6-GE Matched Power Tubes Medium (4-7Rating) Duet (GT-6L6-GE Duet Mediu)
GT-6CA7GE Duet The reissue of the famed GE 6CA7. Active beam forming element, high vacuum....
Discount Groove Tube Gold Series GT-6L6-GE Matched Power Tubes Medium (4-7 Rating) Quartet (GT-6L6-GE Quartet Me)
GT-6CA7GE Duet The reissue of the famed GE 6CA7. Active beam forming element, high vacuum....
Discount Groove Tube Gold Series GT-6550-C Matched Power Tubes Low (1-3 GT Rating) Duet (GT-6550-C Duet Low)
GT-6550-C Duet A softer version of the older USA 6550A, with a nice distortion character....
Discount Groove Tube Gold Series GT-6550-C Matched Power Tubes Quartet
GT-6550-C Duet A softer version of the older USA 6550A, with a nice distortion character....
Discount Groove Tube Gold Series GT-6550-C Matched Power Tubes High (8-10 GT Rating) Duet (GT-6550-C Duet High)
GT-6550-C Duet A softer version of the older USA 6550A, with a nice distortion character....
Discount Groove Tube Gold Series GT-6550-C Matched Power Tubes Medium (4-7 GT Rating) Duet (GT-6550-C Duet Medium)
GT-6550-C Duet A softer version of the older USA 6550A, with a nice distortion character....
Discount Groove Tube Gold Series GT-6550-R Matched Power Tube Low (1-3 GT Rating) Duet (GT-6550-R Duet Low)
GT-6550-R Duet Highest power pentode for use in Marshall, Hiwatt, Ampeg SVT, the GT amps...
Discount Groove Tube Gold Series GT-6550-R Matched Power Tube Quartet
GT-6550-R Duet Highest power pentode for use in Marshall, Hiwatt, Ampeg SVT, the GT amps...
Discount Groove Tube Gold Series GT-6550-R Matched Power Tube Medium (4-7 GT Rating) Duet (GT-6550-R Duet Low)
GT-6550-R Duet Highest power pentode for use in Marshall, Hiwatt, Ampeg SVT, the GT amps...
