mullard 12ax7 f91

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MULLARD BLACKBURN 12AX7 TUBE (circa 1958 f91-series square getter tested strong
$150.00

MULLARD BLACKBURN 12AX7 TUBE (circa 1958 f91-series square getter tested strong

ECC83/12AX7 NOS NIB MULLARD MATSUSHITA VACUUM TUBES MATCHING PAIR JAPAN
$159.99

ECC83/12AX7 NOS NIB MULLARD MATSUSHITA VACUUM TUBES MATCHING PAIR JAPAN

New ListingGroove Tubes 12AX7-M Mullard-Style ECC83 Preamp Tubes (Set of 3)
$69.99

New ListingGroove Tubes 12AX7-M Mullard-Style ECC83 Preamp Tubes (Set of 3)

Match Pair NOS Mullard 12AX7 / ECC83 I61 B2C2 Or B2C4 Communication Grade Grails
$400.00

Match Pair NOS Mullard 12AX7 / ECC83 I61 B2C2 Or B2C4 Communication Grade Grails

Two, Mullard 12AX7 ECC83, mc1, long plate, sq getter, match date pair, 12AX7
$598.95

Two, Mullard 12AX7 ECC83, mc1, long plate, sq getter, match date pair, 12AX7

12ax7 mullard
$60.00

12ax7 mullard

12ax7 mullard
$60.00

12ax7 mullard

MULLARD 12AX7 ECC83 Low Noise Matching Pair Preamp Tubes Blackburn UK
$150.00

MULLARD 12AX7 ECC83 Low Noise Matching Pair Preamp Tubes Blackburn UK

(1) NOS/NIB Mullard 12AX7 ECC83 Tube ~ GE Branded ~ Tests @ 102%+!
$139.99

(1) NOS/NIB Mullard 12AX7 ECC83 Tube ~ GE Branded ~ Tests @ 102%+!

Daystrom by Mullard ECC83/12AX7 I61 Blackburn Vacuum Tube 112%/97% (tested)
$49.99

Daystrom by Mullard ECC83/12AX7 I61 Blackburn Vacuum Tube 112%/97% (tested)

Bell & Howell/Mullard 12AX7 / ECC83 tube, made in England by Mullard
$30.00

Bell & Howell/Mullard 12AX7 / ECC83 tube, made in England by Mullard

Knight by Mullard 12AX7A I63 Blackburn Vacuum Tube 105%/98% (tested)
$49.99

Knight by Mullard 12AX7A I63 Blackburn Vacuum Tube 105%/98% (tested)

New 1x Mullard 12AX7 / ECC83 | One / Single Preamp Tube | Free Ship
$29.59

New 1x Mullard 12AX7 / ECC83 | One / Single Preamp Tube | Free Ship

Mullard 12AX7 Russian Preamp Tube
$28.82

Mullard 12AX7 Russian Preamp Tube

1 x 12AX7 Mullard/GE Tube*Short Plates-O* Tested good*1966*#R12
$34.99

1 x 12AX7 Mullard/GE Tube*Short Plates-O* Tested good*1966*#R12

Pair of used 1956/57 Mullard ECC83 12AX7 mC1 tubes stereo amplifier guitar amp
$199.00

Pair of used 1956/57 Mullard ECC83 12AX7 mC1 tubes stereo amplifier guitar amp

New ListingMullard 12AX7/ECC83 Short Plate O-Getter I61 October 1959 Made in Blackburn UK
$60.00

New ListingMullard 12AX7/ECC83 Short Plate O-Getter I61 October 1959 Made in Blackburn UK

LOT OF 5 IEC MULLARD 12AX7/ECC83 TUBES I63 1966-67 TEST GOOD TV-7/HICKOK
$299.99

LOT OF 5 IEC MULLARD 12AX7/ECC83 TUBES I63 1966-67 TEST GOOD TV-7/HICKOK

Mullard 12AX7 I61 Vacuum Tube Tests OK on TV7 D/U Good Balance
$29.00

Mullard 12AX7 I61 Vacuum Tube Tests OK on TV7 D/U Good Balance

Brand New Gain Matched Quad (4) Mullard Reissue 12AX7 LONG Plate Vacuum Tubes
$123.07

Brand New Gain Matched Quad (4) Mullard Reissue 12AX7 LONG Plate Vacuum Tubes

New Gain Matched Pair (2) Mullard Reissue CV4004 / 12AX7 Low Noise Vacuum Tubes
$65.98

New Gain Matched Pair (2) Mullard Reissue CV4004 / 12AX7 Low Noise Vacuum Tubes

1 Used Mullard ECC82/12AU7 Long Plate Square Getter Made in England k61 B7K 1957
$59.00

1 Used Mullard ECC82/12AU7 Long Plate Square Getter Made in England k61 B7K 1957

(2) NOS/NIB Mullard ECC82 12AU7A Tubes ~ GE Branded From 1966 ~ Test @ 117%+!
$199.99

(2) NOS/NIB Mullard ECC82 12AU7A Tubes ~ GE Branded From 1966 ~ Test @ 117%+!

Nice Strong Testing Pair of GE Branded/Mullard Made 12AX7A/ECC83 Vacuum Tubes
$49.99

Nice Strong Testing Pair of GE Branded/Mullard Made 12AX7A/ECC83 Vacuum Tubes

Vintage NOS Mullard CV4004 Military Box Plates 12AX7 England Hi Fi Guitar Amp
$490.00

Vintage NOS Mullard CV4004 Military Box Plates 12AX7 England Hi Fi Guitar Amp

Pair of Mullard 12AU7 ECC82 Long Plate Square Getter k61 1955/57 Vacuum Tubes
$350.00

Pair of Mullard 12AU7 ECC82 Long Plate Square Getter k61 1955/57 Vacuum Tubes

Lot Of 2 NOS NIB GE Mullard 12AX7A ECC83 Audio Tubes V Strong Matched Pair
$180.00

Lot Of 2 NOS NIB GE Mullard 12AX7A ECC83 Audio Tubes V Strong Matched Pair

Mint Matched Pair of Low-Hour Mullard CV4004/12AX7 Vacuum Tubes
$38.45

Mint Matched Pair of Low-Hour Mullard CV4004/12AX7 Vacuum Tubes

Tungsram Mullard 12AX7 BM Vacuum Tubes Lot Of 5 Amplitrex Tested NOS NIB
$355.00

Tungsram Mullard 12AX7 BM Vacuum Tubes Lot Of 5 Amplitrex Tested NOS NIB

(1) NOS/NIB Mullard 12AX7 ECC83 Tube
$119.00

(1) NOS/NIB Mullard 12AX7 ECC83 Tube

IEC Mullard ECC83/12AX7 I63 Blackburn Vacuum Tube 90%/97% (tested)
$49.99

IEC Mullard ECC83/12AX7 I63 Blackburn Vacuum Tube 90%/97% (tested)

Mullard 7025/12AX7A / ECC83 Labeled
$59.99

Mullard 7025/12AX7A / ECC83 Labeled "GE" MaxiPreamp2/TV-7 Tested (1) tube lot

Mullard 12AX7 Preamp Tube New in Box Tests Strong
$22.00

Mullard 12AX7 Preamp Tube New in Box Tests Strong

1957 RCA (Mullard) 12AX7A/ECC83 Vacuum Tube Long Gray Plates 97%/105% tested
$49.99

1957 RCA (Mullard) 12AX7A/ECC83 Vacuum Tube Long Gray Plates 97%/105% tested

(1) Mullard 12AX7 ECC83 Long Plate Tube ~ mC1 '57 Blackburn ~ w/ Original Box!
$299.99

(1) Mullard 12AX7 ECC83 Long Plate Tube ~ mC1 '57 Blackburn ~ w/ Original Box!

Trio of Mullard 12AU7 ECC82 Long Plate Square Getter k61 1957 Vacuum Tubes
$450.00

Trio of Mullard 12AU7 ECC82 Long Plate Square Getter k61 1957 Vacuum Tubes

IEC Mullard ECC83/12AX7 Blackburn Vacuum Tube 90%/90% (tested)
$44.99

IEC Mullard ECC83/12AX7 Blackburn Vacuum Tube 90%/90% (tested)

Matched Pair Mullard CV4004/12AX7/ECC83 Mil-Spec England Box Plates 1981 Strong
$400.00

Matched Pair Mullard CV4004/12AX7/ECC83 Mil-Spec England Box Plates 1981 Strong

NOS MATSUSHITA/
$89.95

NOS MATSUSHITA/"MULLARD"/ECC83/12AX7/45° O GETTER/MAXI TESTED/CLOSE BALANCE

New Matched Pair Reissue Genalex Gold Lion 12AX7 / ECC83 / B759 GOLD PIN FREE SH
$138.87

New Matched Pair Reissue Genalex Gold Lion 12AX7 / ECC83 / B759 GOLD PIN FREE SH

4 SUPER MATCHED Quad Mullard 7025 Low-Noise 12AX7 ECC83 TEST VERY STRONG 100%NOS
$499.00

4 SUPER MATCHED Quad Mullard 7025 Low-Noise 12AX7 ECC83 TEST VERY STRONG 100%NOS

Mullard ECC83 12AX7 Long Plates Matched Pair Blackburn '59 Same Code - Valvo LBL
$607.25

Mullard ECC83 12AX7 Long Plates Matched Pair Blackburn '59 Same Code - Valvo LBL

Matched Pair Mullard ECC83 12AX7 Code I61 Label Bogen Tested Good Balanced Tube
$98.45

Matched Pair Mullard ECC83 12AX7 Code I61 Label Bogen Tested Good Balanced Tube

Mullard 12AU7/ECC82 Long Plate Dual Post O-Getter Wrinkle Glass 1958 Microphonic
$40.00

Mullard 12AU7/ECC82 Long Plate Dual Post O-Getter Wrinkle Glass 1958 Microphonic

IEC Mullard Blackburn 12AT7/ECC81 Vacuum Tube Gm 103%/94% (tested)
$29.99

IEC Mullard Blackburn 12AT7/ECC81 Vacuum Tube Gm 103%/94% (tested)

2 MINTY & MATCHED Pair Mullard 7025 Low-Noise 12AX7 ECC83 TEST VERY STRONG 100%+
$249.00

2 MINTY & MATCHED Pair Mullard 7025 Low-Noise 12AX7 ECC83 TEST VERY STRONG 100%+

Mullard 12AX7/ECC83, Matched Trio
$113.50

Mullard 12AX7/ECC83, Matched Trio

1 pair of Mullard yellow label 12AU7 / ECC82. Same date code, used and strong
$100.00

1 pair of Mullard yellow label 12AU7 / ECC82. Same date code, used and strong

Mullard ECC83/12AX7 I63 Blackburn Vacuum Tube 97%/90% (tested)
$49.99

Mullard ECC83/12AX7 I63 Blackburn Vacuum Tube 97%/90% (tested)

New 1x Mullard 12AX7 / CV4004 | One / Single Preamp Tube | Reissue
$29.99

New 1x Mullard 12AX7 / CV4004 | One / Single Preamp Tube | Reissue

GREAT PAIR CBS 12AX7 (ECC83) Long Plate D Getter Vintage VACUUM TUBES 8.9012
$54.95

GREAT PAIR CBS 12AX7 (ECC83) Long Plate D Getter Vintage VACUUM TUBES 8.9012

One IEC MULLARD 12AT7 ECC81 Tube TK3 Blackburn Mfg AMPLITREX & TV-7 Test Results
$19.95

One IEC MULLARD 12AT7 ECC81 Tube TK3 Blackburn Mfg AMPLITREX & TV-7 Test Results

2 - Daystrom - Hitachi 12AX7 Vacuum Tubes / KT1
$39.95

2 - Daystrom - Hitachi 12AX7 Vacuum Tubes / KT1

2x Mullard 12DW7 ECC832 10M Master Series - Blackburn 1961 - Same Code
$482.60

2x Mullard 12DW7 ECC832 10M Master Series - Blackburn 1961 - Same Code

Mullard 12AX7/ECC83 Short Plate O-Getter 1959 Made in Blackburn UK Very Strong
$140.00

Mullard 12AX7/ECC83 Short Plate O-Getter 1959 Made in Blackburn UK Very Strong

Mullard ECC83 12AX7 Code: I61 B3B2 Tested Good Balanced Tube
$68.45

Mullard ECC83 12AX7 Code: I61 B3B2 Tested Good Balanced Tube

2x ECC83 / 12AX7 PHILIPS / MULLARD audio tubes - I61 - ECC 83 - 1961
$99.00

2x ECC83 / 12AX7 PHILIPS / MULLARD audio tubes - I61 - ECC 83 - 1961

(1) Mullard ECC83 12AX7 Tube Gray Plates Blackburn I61 Tests Strong Amplitrex
$49.99

(1) Mullard ECC83 12AX7 Tube Gray Plates Blackburn I61 Tests Strong Amplitrex

7025/12AX7A Mullard
$179.99

7025/12AX7A Mullard "Amperex" ected codes MaxiPreamp2/TV7 tested (1) tube lot

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