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136 products

GE 12AV7 Vacuum Tube * Tested 106%/106% GE 12AV7 Vacuum Tube * Tested 106%/106%

GE 12AV7 Vacuum Tube * Tested 106%/106%

GE 12AV7 Vacuum Tube * Tested 106%/106%

GE
$7.99 USD
$7.99 USD $0.00 USD
GE 12SC7 (Metal) Vacuum Tube * Tested 105/93% GE 12SC7 (Metal) Vacuum Tube * Tested 105/93%

GE 12SC7 (Metal) Vacuum Tube * Tested 105/93%

GE 12SC7 (Metal) Vacuum Tube * Tested 105/93%

GE
$6.99 USD
$6.99 USD $0.00 USD
GE 6SN7GTB Vacuum Tube * Tested 100%/91% GE 6SN7GTB Vacuum Tube * Tested 100%/91%

GE 6SN7GTB Vacuum Tube * Tested 100%/91%

GE 6SN7GTB Vacuum Tube * Tested 100%/91%

GE
$23.99 USD
$23.99 USD $0.00 USD
RCA 12AU7A Vacuum Tube * Tested 71/71 RCA 12AU7A Vacuum Tube * Tested 71/71

RCA 12AU7A Vacuum Tube * Tested 71/71

RCA 12AU7A Vacuum Tube * Tested 71/71

RCA
$12.99 USD
$12.99 USD $0.00 USD
Philco 12BY7 Vacuum Tube * Tested 90% Philco 12BY7 Vacuum Tube * Tested 90%

Philco 12BY7 Vacuum Tube * Tested 90%

Philco 12BY7 Vacuum Tube * Tested 90%

Philco
$9.99 USD
$9.99 USD $0.00 USD
RCA 6CB6A Vacuum Tube * Tested 70% RCA 6CB6A Vacuum Tube * Tested 70%

RCA 6CB6A Vacuum Tube * Tested 70%

RCA 6CB6A Vacuum Tube * Tested 70%

RCA
$2.99 USD
$2.99 USD $0.00 USD
RCA 5U4GB Tube * Tested 115/115 RCA 5U4GB Tube * Tested 115/115

RCA 5U4GB Tube * Tested 115/115

RCA 5U4GB Tube * Tested 115/115

RCA
$15.99 USD
$15.99 USD $0.00 USD
RCA 6AV6 Vacuum Tube * Tested 72%/75% RCA 6AV6 Vacuum Tube * Tested 72%/75%

RCA 6AV6 Vacuum Tube * Tested 72%/75%

RCA 6AV6 Vacuum Tube * Tested 72%/75%

RCA
$1.99 USD
$1.99 USD $0.00 USD
GE 12AT7 Vacuum Tube * Tested 77%/80% GE 12AT7 Vacuum Tube * Tested 77%/80%

GE 12AT7 Vacuum Tube * Tested 77%/80%

GE 12AT7 Vacuum Tube * Tested 77%/80%

GE
$14.99 USD
$14.99 USD $0.00 USD
Electro-Harmonix 12AT7 Vacuum Tube * Tested 72%/75% Electro-Harmonix 12AT7 Vacuum Tube * Tested 72%/75%

Electro-Harmonix 12AT7 Vacuum Tube * Tested 72%/75%

Electro-Harmonix 12AT7 Vacuum Tube * Tested 72%/75%

Electro-Harmonix
$14.99 USD
$14.99 USD $0.00 USD
RCA 6GH8A Vacuum Tube * Tested 88/91 RCA 6GH8A Vacuum Tube * Tested 88/91

RCA 6GH8A Vacuum Tube * Tested 88/91

RCA 6GH8A Vacuum Tube * Tested 88/91

RCA
$3.99 USD
$3.99 USD $0.00 USD
RCA 5963 Vacuum Tube * Tested 123/120 RCA 5963 Vacuum Tube * Tested 123/120

RCA 5963 Vacuum Tube * Tested 123/120

RCA 5963 Vacuum Tube * Tested 123/120

RCA
$12.99 USD
$12.99 USD $0.00 USD
GE 6SL7GT Vacuum Tube * Tested 78%/84% GE 6SL7GT Vacuum Tube * Tested 78%/84%

GE 6SL7GT Vacuum Tube * Tested 78%/84%

GE 6SL7GT Vacuum Tube * Tested 78%/84%

GE
$23.99 USD
$23.99 USD $0.00 USD
GE 6201 Vacuum Tube * Tested 79%/79% GE 6201 Vacuum Tube * Tested 79%/79%

GE 6201 Vacuum Tube * Tested 79%/79%

GE 6201 Vacuum Tube * Tested 79%/79%

GE
$16.99 USD
$16.99 USD $0.00 USD
RCA 6C4 Tube * Tested 110% * No Label RCA 6C4 Tube * Tested 110% * No Label

RCA 6C4 Tube * Tested 110% * No Label

RCA 6C4 Tube * Tested 110% * No Label

RCA
$9.99 USD
$9.99 USD $0.00 USD
GE 12AT7 Vacuum Tube * Tested 75%/75% GE 12AT7 Vacuum Tube * Tested 75%/75%

GE 12AT7 Vacuum Tube * Tested 75%/75%

GE 12AT7 Vacuum Tube * Tested 75%/75%

GE
$14.99 USD
$14.99 USD $0.00 USD
GE 6N7 Vacuum Tube * Tested 100%/104% GE 6N7 Vacuum Tube * Tested 100%/104%

GE 6N7 Vacuum Tube * Tested 100%/104%

GE 6N7 Vacuum Tube * Tested 100%/104%

GE
$9.99 USD
$9.99 USD $0.00 USD
Zenith 12AT7 Vacuum Tube * Tested 76%/77% 7a82fbf2-d610-4bcf-81ff-c1ad87fe0cee

Zenith 12AT7 Vacuum Tube * Tested 76%/77%

Zenith 12AT7 Vacuum Tube * Tested 76%/77%

Zenith
$14.99 USD
$14.99 USD $0.00 USD
RCA 5963 Vacuum Tube * Tested 115/110 RCA 5963 Vacuum Tube * Tested 115/110

RCA 5963 Vacuum Tube * Tested 115/110

RCA 5963 Vacuum Tube * Tested 115/110

RCA
$12.99 USD
$12.99 USD $0.00 USD
Silvertone 5U4GB Tube * Tested 111/120 Silvertone 5U4GB Tube * Tested 111/120

Silvertone 5U4GB Tube * Tested 111/120

Silvertone 5U4GB Tube * Tested 111/120

Silvertone
$15.99 USD
$15.99 USD $0.00 USD
Magnavox * 6AQ5 Tube * Tested 90 Magnavox * 6AQ5 Tube * Tested 90

Magnavox * 6AQ5 Tube * Tested 90

Magnavox * 6AQ5 Tube * Tested 90

Magnavox
$6.99 USD
$6.99 USD $0.00 USD
Sylvania 6N7 Vacuum Tube * Tested 80%/90% Sylvania 6N7 Vacuum Tube * Tested 80%/90%

Sylvania 6N7 Vacuum Tube * Tested 80%/90%

Sylvania 6N7 Vacuum Tube * Tested 80%/90%

SYLVANIA
$9.99 USD
$9.99 USD $0.00 USD
Mullard 12AT7 Vacuum Tube * Tested 64%/72% Mullard 12AT7 Vacuum Tube * Tested 64%/72%

Mullard 12AT7 Vacuum Tube * Tested 64%/72%

Mullard 12AT7 Vacuum Tube * Tested 64%/72%

Mullard
$17.99 USD
$17.99 USD $0.00 USD
Sylvania 6GH8A Vacuum Tube * Tested 95/100 Sylvania 6GH8A Vacuum Tube * Tested 95/100

Sylvania 6GH8A Vacuum Tube * Tested 95/100

Sylvania 6GH8A Vacuum Tube * Tested 95/100

SYLVANIA
$3.99 USD
$3.99 USD $0.00 USD