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New 2x Genalex Gold Lion 12AX7 / ECC83 | Matched Pair / Duet / Two Tubes
$504.48 HKD
PAIR of MULLARD ECC83/12AX7 HI-FI AUDIO VACUUM TUBES
$1728.2 HKD - 18 bids
(2) AMPEREX 12AX7 / ECC83 TUBES f/ FISHER , HEATHKIT , SCOTT - GREAT BRITAIN
$318.38 HKD - 2 bids
NOS MATCHED PAIR Ei 12AX7 ECC83 (TELEFUNKEN SUBTITUTE) AUDIOPHILE PRE-AMP TUBES
$465.72 HKD
4x NEW JJ Tesla 12AX7 ECC83 ECC83S Vacuum Tube, Matched Quad TESTED
$318.22 HKD
Vintage Sylvania 12AX7 PLATINUM GRADE Tubes Matched Pair = (ECC83, 5751) Baldwin
Buy: $310.3 HKD
12AX7WA JAN GE NOS BOXED VALVE/TUBE
$363.81 HKD
1 x 12ax7 RCA Tube *Long Black Plates*D getter*Balanced*
$326.14 HKD
1963 Matsushita 12AX7 PLATINUM GRADE Japanese Mullard Tubes Matched Pair 93% B19
Buy: $310.3 HKD
Telefunken 12AX7 12AX7A ECC83 Amplitrex Matched Sections Tube  for McIntosh
$380.59 HKD
NOS RAYTHEON 12AX7 Long BLACK PLATE Square Getter VACUUM TUBE Tested #10.3294
$232.63 HKD
 MULLARD ECC83 / 12AX7,   VINTAGE VALVES  /  TUBES. TEST 100% AS N.O.S. <br/> 100s OF THESE TUBES AVAILABLE.. MATCHED PAIRS OR QUADS.
Buy: $484.59 HKD
New Matched Quad (4) Sovtek 12AX7LPS / ECC83 12AX7 Vacuum Tube
$368.94 HKD
MATSUSHITA 12AX7 ECC83 MATCHED PAIR MULLARD PLATE EXCELLENT CONDITION
$349.13 HKD
12AX7/ECC83 SVETLANA 'WINGED C' BOXED ANODE VALVE/TUBE <br/> RARE SILVER BOXED ANODE
$169.78 HKD
1959 Sylvania 12AX7 SILVER GRADE D Getter Tubes Matched Pair Tested NOS 108% B20
Buy: $287.0 HKD
Quad Telefunken Smooth 12AX7 ECC83 Audio Preamp Tubes
$1165.08 HKD
1 x 12AX7/ECC83 Siemans Tube*Goal Post O Getter*Super Strong*Tests NOS+*
$419.35 HKD
1 NOS RCA 5751 12AX7 Black Plate Triple Mica Military Tube USA
$582.46 HKD
1 x  12ax7 Raytheon? Tube *Long Black Plates*D-Getter*Strong & Balanced*
$380.51 HKD
Matched Pair JJ Electronics 12AX7A/ECC83  NOS/NIB Tested & Guaranteed
$143.69 HKD
Telefunken 12AX7 Smooth Plate Tube, TV-7D/U Tested!
$116.43 HKD
New 4x Mullard 12AX7 / ECC83 | Matched Quad / Quartet / Four Tubes | Free Ship
$560.79 HKD
CBS 12AX7 Vacuum Tube
$77.59 HKD
GE NOS NIB 12AX7 ECC83 Preamp VACUUM TUBE TV-7 Tested Mint! #10.3286
$209.33 HKD
MULLARD 12AX7 ECC83 (I63) Blackburn VACUUM TUBE Valve TESTED STRONG #10.2355
$310.3 HKD
Gold Aero 12AX7A Vacuum Tube ECC83 Valve
Buy: $194.18 HKD
Matched Pair of Mullard Daystrom 12ax7 Ecc83 Vacuum Tubes "161 "
$730.04 HKD
Mullard 12AX7 / ECC83 pre-amp tubes,Reissue, NEW, Matched Pair
$293.52 HKD
RAYTHEON 12AX7A 17MM LONG BLACK PLATE VINTAGE VACUUM TUBE BALDWIN 1950s
$310.61 HKD
TAD 12AX7 / ECC83 Cryo Premium Select Matched Pair (2)
Buy: $349.45 HKD
12AX7 CV4004 ECC83 LANGREX PREMIUM VALVE/TUBE
Buy: $111.57 HKD
1 x  7025(12ax7) RCA Tube *Long Black Plates *D getter*Strong*
$341.68 HKD
One NOS RCA 12ax7 Long Black Plate #D14
Buy: $271.85 HKD
early AMPEREX script logo ECC83 12AX7 long Ribbed PLATES D foil Getter tests NOS
$776.64 HKD
MULLARD 12AX7 ECC83 VACUUM TUBE 1961 SINGLE WARM SWEET ENGLISH BEER PUB M2
$504.79 HKD
(2) Telefunken 12AX7/ECC83/CV4004/5751 ~ Smooth Plate Tubes ~ MATCHED PAIR!
Buy: $1087.33 HKD
GE 12AX7A ECC83 Long Plate Tubes - Matched Pair, Tested, Matched Codes
Buy: $450.5 HKD
New Matched Pair Reissue Genalex Gold Lion 12AX7 / ECC83 / B759 GOLD PIN FREE SH
$535.39 HKD
New 5x Mullard 12AX7 / ECC83 | Matched Quintet / Five Tubes
$698.97 HKD
Mullard 12AX7 ECC83 Blackburn UK valve tube 1964 I61 tested +100%
Buy: $533.59 HKD
Quartett 12AX7A McIntosh Röhren - factory matched - low hours of use -  <br/> Perfect sound quality from McIntosh
Buy: $654.64 HKD
1 x 12ax7 Amperex?? Tube *Strong & Balanced*
$232.94 HKD
Tungsram 12AX7 ECC83 Made In Austria - Test Excellent! 14MM Plates- Balanced
Buy: $295.15 HKD
7025/12AX7WA vacuum tube
$194.18 HKD
RARE Siemens 12ax7/ECC83 tube dual support O-getter - 1960 - Very Strong
$326.14 HKD
2 NOS Matched Raytheon Baldwin 12AX7A Black Plate Audio Tubes U.S.A. 1960
$745.57 HKD
Siemens 12AX7 ECC83 Vacuum Tube Results = 1000/1050 µmhos  ~  .56/.59 mA
$264.01 HKD
Brimar BVA 12AX7 ECC83 Vacuum Tube Strong & Balanced  1300/1355 µmhos
$380.51 HKD
NOS MATCHED PAIR SYLVANIA JAN 12AX7 Long Plate VACUUM TUBES Tested #10.2318
Buy: $465.64 HKD
2 NOS NIB Matched RCA 12BZ7 12AX7 sub Black Plate Tubes USA
$426.81 HKD
 2 Vintage Sylvania 12AX7 Tubes - 1959 - Test NOS
$326.22 HKD
1 x 7025(12ax7) Sylvania Tube *Strong & Balanced*
$287.31 HKD
Vintage Telefunken 12AX7 ECC83 Ribbed Plates Stereo Tube 1130/1000
$302.84 HKD
2 GE 12AX7A (ECC83/7025) VINTAGE TWIN TRIODE TUBES USA TESTED
Buy: $191.37 HKD
KENRAD 12AX7 TIGHT MATCH PAIR NICKEL PLATE FOIL GETR ECC83 COPR GRID POST 1950
$543.31 HKD
New 1x Electro Harmonix Gold 12AX7 / ECC83 | Gold Pins | One / Single Tube
$124.2 HKD
2 x 12ax7 RCA Tubes*Black Plates *D getter*Strong & Balanced Matched Pair*
$613.53 HKD
NOS RAYTHEON 12AX7 ECC83 Long 17mm Plates VACUUM TUBE Tested TV-7 #10.3295
$170.49 HKD
MATCHED PAIR TUNG SOL JTL 12AX7 (ECC83) VACUUM TUBES Long Plt [] Getter #10.2317
Buy: $426.81 HKD
Pair 1950s RCA Fisher 12AX7 Tubes, Ribbed, SQUARE GETTERS MATCHING CODES, Strong
Buy: $349.13 HKD
Genalex Gold Lion GOLD PIN 12AX7/ECC83/B759 tubes, Brand New $26.99 each!
$209.64 HKD
4 x 12ax7 Raytheon-Baldwin Tubes *Long Black Plates*Balanced*#7
$776.64 HKD
Sylvania (Philips /ECG) 12AX7A / ECC83 / PREAMP VACUUM TUBE ~LOW NOISE~ Tested
Buy: $116.43 HKD
12AX7 Sylvania/Baldwin Highfidelity Grade Lightly Used Strong Testing Pair,
$310.69 HKD
PAIR (2) ECC83 STRONG MINIWATT BRASIL BRAZIL PHILIPS 12AX7 SOLID GETTER DISK
$457.33 HKD
TUNG-SOL 12AX7 / ECC83 premium audio tube, Reissue, Tested.
Buy: $89.32 HKD
BRIMAR UK ECC83 12AX7 BRITISH 'BVA' PRE-AMP AUDIO & GUITAR TUBE TESTED A186
$217.09 HKD
12AX7 , NOS Aussie made
Buy: $207.07 HKD
MATCHED PAIR TUNG SOL JTL 12AX7 SQUARE GETTER VACUUM TUBES Tested #10.3010
$349.13 HKD
 MULLARD ECC83 /  12AX7,   VINTAGE VALVES  /  TUBES.
Buy: $387.58 HKD
4 Vintage Realistic Lifetime 12ax7a / ECC83 Vacuum Tubes : Gold Pins
$388.28 HKD
Mullard Shield BVA 12AX7 ECC83 Strong Vacuum Tube "I61"Strong Balanced 1450|1485
$465.95 HKD
1 NOS GE 5751 ( military version 12AX7 ) Black Plate Triple Mica Tube USA
Buy: $310.69 HKD
Siemens 12AX7 ECC83 Vintage Vacuum Tube NOS Germany
$388.28 HKD
NOS Tube Lot - 12AU7 - 12AT7 - 12AX7 - 6V6GT - RCA - Channel Master - GE
$582.54 HKD
TELEFUNKEN 12AX7 ECC83 SMOOTH PLATE PRE-AMP AUDIO TUBE TESTED A172
$294.76 HKD
NOS STRONG Ei 12AX7 ECC83 (TELEFUNKEN SUBTITUTE) AUDIOPHILE PRE-AMP TUBE
$232.63 HKD
2 X MULLARD I61 RAYTHEON 1962 12AX7 ECC83 SUPER RARE VINTAGE VALVE VACUUM TUBE
Buy: $679.11 HKD
RCA 12AX7 ECC83 MATCH PAIR BLACK PLATE SQUARE GETR VINTAGE 1957
$504.48 HKD
Tung Sol ECC803S/12AX7 Gold Pin tubes,Reissue,NEW, Matched Pair
$334.69 HKD
12AX7 Sylvania/Baldwin Highfidelity Grade Lightly Used Pair, Super Quiet Audio!
$310.3 HKD
Dynaco Telefunken 12AX7 ECC83 Vacuum Tube    Smooth Plates 1595/1365 µmhos
$388.28 HKD
Sylvania JHS 12AX7 Black Plate D Getter ECC83 Vintage Preamp Vacuum Tube
$310.61 HKD
New 1x Electro Harmonix 12AX7 / ECC83 | One / Single Preamp Tube | EH
$92.35 HKD
3 x NOS BOXED UNUSED TESTED 12AX7WA Tubes General Electric Co.  Compare Price!
$388.06 HKD - 1 bid
1 NOS NIB GE 7025 12AX7A Low Noise Tube USA 1960's
$365.06 HKD
RCA 7025 (Low Noise 12AX7) Vacuum Tube SLANTED SQUARE Getter TESTED #7.1316
$310.3 HKD
Matched Pair Berlin Telefunken Smooth 12AX7 ECC83 Audio Preamp Tubes
$621.37 HKD - 1 bid
telefunken 12ax7 flat plate
Buy: $225.25 HKD
6 lot RCA 12AX7 , BLACK PLATE D GETTER , used vintage vacuum tube dual triode
$481.56 HKD - 5 bids
One, NEW in box, RCA JRC-12AX7, military issue, 1951, black plate, rect getter
$768.56 HKD
12AX7 vacuum tube
$112.62 HKD
GM Delco 12AX7 Square Getter Vacuum Tube
$77.59 HKD
2 x 12ax7 Sylvania - Baldwin Tubes*Long Grey Plates*Very Strong Pair*
$310.61 HKD
PAIR Telefunken ECC83 12AX7 Tubes - Gray Ribbed Plates / Diamond Base Matched
$970.9 HKD
RCA 12AX7A Pair(2) Vacuum Tubes 60's NOS
Buy: $194.18 HKD
Pair Sylvania 12AX7 WA Tubes, Balanced, Long Gray Plates, USA
Buy: $361.17 HKD
Mullard ECC83 / 12AX7 I61 Vacuum Tube. Tested Good in TV-7. Made in Gt. Britain
Buy: $356.9 HKD
 GE 12AX7 6681 TIGHT MATCH PAIR LONG PLATE  HALO GETTER ECC83
$232.63 HKD