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2 Pcs NOS Philips 12AX7A / ECC83 - audio radio Preamp Tubes NIB
$319.79 HKD - 7 bids
MESA Russian 12AX7A Tube  - Test Good - Matching Sections
$77.92 HKD - 1 bid
Pair of Sylvania JAN 12AX7WA Tubes - 1969 Dates - Test Good
$194.92 HKD
New 1x Electro Harmonix Gold 12AX7 / ECC83 | Gold Pins | One / Single Tube
$124.72 HKD
Pair of Sylvania JAN 12AX7WA Tubes - 1973 Dates - Test Good
$194.92 HKD
MULLARD ECC82/12AU7  NOS BOXED
Buy: $248.38 HKD
Vacuum tube 12AX7A / ECC 83 Amperex Bugle boy
Buy: $382.19 HKD
12AX7   (1) AMPEREX USED TESTED  VACUUM TUBE (H84)
$89.7 HKD - 2 bids
PAIR ECC83 12AX7 MULLARD Great Britain EICO Vacuum Tubes HICKOK 539C TESTED
$226.19 HKD - 3 bids
Mullard 12AX7/ECC83 Long Plate Square Getter England Nov 1957 Very Strong
Buy: $1559.87 HKD
VINTAGE NEW OLD STOCK MULLARD ECC83/12AX7 TUBE MASTER VALVE GREAT BRITAIN
$233.91 HKD
2x Electro Harmonix 12AX7 ECC83 Vacuum Tube, MATCHED PAIR
$168.24 HKD
PAIR SYLVANIA 12AX7 ECC83 7025 GRAY INDUSTRIAL STYLE PLATES TUBES - TESTED NOS
$389.91 HKD
GE 12AX7 6681 LONG PLATE  HALO GETTER ECC83
$69.81 HKD
New 3x Mullard 12AX7 / ECC83 | Matched Trio / Set / Three Tubes | Free Ship
$428.6 HKD
Pair Sylvania 12AX7A ECC83 Long Plate Audio Tubes
Buy: $218.39 HKD
Mullard ECC83 (12AX7) - fully tested on VCM163
Buy: $258.32 HKD
Genalex Gold Lion GOLD PIN 12AX7/ECC83/B759 tubes, Brand New $26.99 each!
$210.52 HKD
PAIR 1962 vintage Lafayette Brimar BVA England 12AX7 ECC83 TUBE halo get
Buy: $304.19 HKD
5751 JAN PHILIPS ECG ECC83 12AX7 NEW OLD STOCK TUBE VALVE 1 PC
$263.29 HKD
JJ ECC832/12AX7A Vacuum Tube New
Buy: $62.32 HKD
RAYTHEON 12AX7 ECC83 MATCH PAIR BLACK PLATE HALO GETR MINTY VINTAGE 1960
$350.6 HKD
2) JAN 12AX7 WA Long Grey Plate  Vintage Tubes Matched
$311.99 HKD
Raytheon 12AX7 ECC83 Long Black Plates Vacuum Tube Strong & Balanced
$327.51 HKD
JJ 12AX7/ECC83 VACUUM TUBES
$83.85 HKD
One NOS GE 12AX7 / ECC83 Long Grey Plate Vintage Tube-- (#B4)
Buy: $117.0 HKD
GENERAL ELECTRIC GE 12AX7 1960's matching pair
$350.99 HKD
Ei  ECC83 12AX7 Tube, Yugoslavia, fully tested.
$156.0 HKD
RCA 12AX7 ECC83 Long Black Plates Vacuum Tube Results= 975/995
$265.11 HKD
1 NOS RCA 5751 12AX7 Rare Black Plate Military Tube USA 1960's
$483.59 HKD
Amperex Bugle Boy 12AX7 ECC83 Big Halo Vacuum Tube 1959 Strong & Bal 1395|1405
$460.11 HKD
 MULLARD ECC83 /  12AX7,   VINTAGE VALVES  /  TUBES.  TESTED GOOD.
Buy: $396.92 HKD
Tightly Matched & Balanced Quad 1959 RCA 12AX7 ECC83 AMPLITREX Tested SUPER NOS+
Buy: $1123.17 HKD
1 NOS NIB RCA 12AX7A Low Noise Tube USA '60's
$561.58 HKD
2 GE 12AX7 LONG PLATE VACUUM TUBES #2
$233.99 HKD
New Trio (3) Electro Harmonix 12AX7 EH / ECC83 Preamp Tube- Valve
$179.32 HKD
Vintage Sylvania 12AX7 PLATINUM GRADE Preamp Tubes Matched Pair = ECC83 Baldwin
Buy: $311.6 HKD
Brimar 12AX7 ECC83 1962 type 1574 O getter tested NOS
Buy: $347.74 HKD
NOS MULLARD M8099 6AQ4 EC91 MIL SPEC TUBES VALVES. BEATS 12AX7, 6DJ8, 12AT7, D3a
Buy: $119.12 HKD
GE 12AX7 vintage tube tests very strong
$132.52 HKD
AMPEREX TYPE 5751 INDUSTRIAL TYPE 12AX7 BALANCED VACUUM TUBE NOS NIB
$233.91 HKD
3 vintage Raytheon USA 12AX7 ECC83 black-plate tubes 1950s tested
$623.98 HKD
Vintage Mullard 12AX7 Tube Long Ribbed Gray Plate Double Square Getter Tests OK
$623.9 HKD
Matched Pair of Sylvania Silvertone 12AX7 Tubes, Hickok Tested
$233.99 HKD
Vintage Matsushita 12ax7/ECC83 Tube Angled O-Getter
$116.92 HKD
Sovtek 12AX7WC/12AX7/ECC83 Ultra Low Noise tubes,NEW
$97.97 HKD
Code Matched Pair NOS NIB 7058 GE mobile rated 12AX7 ECC83 variant Vacuum Tubes
$272.6 HKD
GE 12AX7A MATCHED VACUUM TUBES PAIR (x2) FULLY TESTED 46/48 & 50/50, ZTJM1054/55
$350.6 HKD
1959 Ge 12AX7 ECC83 D-Getter Long Points Vacuum Tube Very Strong & Balanced
$343.11 HKD
New Matched Pair Sovtek 12AX7LPS / ECC83 / 12AX7 Vacuum Tube FREE SHIP
$209.74 HKD
FENDER 12AX7/7025 PRE-AMP VACUUM TUBE TEST STRONG
$56.55 HKD
NOS MATCHED PAIR Ei 12AX7 ECC83 (TELEFUNKEN SUBTITUTE) AUDIOPHILE PRE-AMP TUBES
$467.67 HKD
Winged C SVETLANA 12AX7 ECC83 CV4004
Buy: $178.34 HKD
NIB new Tube Amp Set Matched pair EL34 / 6CA7 + matched quad 12AX7 /7025 / ECC83
$331.41 HKD
One NOS RCA 12ax7 Long Black Plate #D14
Buy: $272.99 HKD
NIB new matched sextet (lot of 6) 12AX7/ 12AX7B / ECC83 / 7025 vacuum tubes
$311.91 HKD
2 Ge 12ax7 Ecc83 Vacuum Tubes
$444.51 HKD
Vintage CBS 7025 12AX7 Tube Long Ribbed Gray Plates U Getter Tests Good 1960
$155.92 HKD
Mullard 12AX7, ECC83, I63 B4j4.  Believed NOS
Buy: $496.67 HKD
NIB new matched quad quartet 12AX7/ 12AX7B / ECC83 / 7025 vacuum tubes
$280.71 HKD
Vintage 1965 Sylvania 12AX7 Tube -Test New Long Grey Plate Halo Getter
$171.59 HKD
Mullard 12AX7 Vinatge 1959 Tube f92 Long Gray Plates Round Getter - Good Tube!
Buy: $537.79 HKD
Mullard 12AX7 / ECC83 pre-amp tubes,Reissue, Brand NEW
$132.67 HKD
MATCHED PAIR 12AX7 ECC83 SVETLANA 1990s VALVES TUBES NEW BULK PACK AVO TESTED
Buy: $248.38 HKD
Mullard 12AX7/ECC83 Long Plate Goalpost Getter England Very Strong
Buy: $1169.89 HKD
Vintage RCA Black Plate 3 mica 5751 12ax7 Vacuum Tube Tested Guaranteed!
$381.25 HKD
Matched Pair Telefunken 12AX7 ECC83 Tubes - ribbed plates
$740.98 HKD
Hickok Tested RCA 12AX7A Tube - Tests NOS 1400 / 1500
$194.92 HKD
Mullard 12AX7 / ECC83 pre-amp tubes,Reissue, NEW, Matched Pair
$301.3 HKD
Lot of 13 pcs Mullard and Amperex 12AX7 /ECC83 - short plate -
$2222.93 HKD
Pair of Sylvania JHS 12AX7 12AX7WA Tubes - Hickok Tested
$140.4 HKD
12AX7 ECC83 Telefunken Smooth Gray Plates Vacuum Tube, TV-7D tested
$467.6 HKD
Svetlana 12AX7/ECC83 preamp tubes/valves, NEW !!!
$93.83 HKD
1 NOS NIB Amperex Bugle Boy 12AX7 ECC83 Tube Holland
$779.9 HKD
MATCHED PAIR TUNG SOL JTL 12AX7 SQUARE GETTER VACUUM TUBES Tested #10.3009
$350.6 HKD
AEG ECC83 / 12AX7 Röhre NOS Tubeamp Preamplifier tube
$428.05 HKD
LOT OF 5 TELEFUNKEN 12AX7 ECC83 GRAY LADDER PLATES TUBES <> ON BASE - TESTED NOS
$1052.97 HKD - 2 bids
 Vintage Sylvania 12AX7 GOLD GRADE Preamp Tubes Matched Pair = ECC83, 5751, 7025
Buy: $272.6 HKD
New Matched Quad (4) Sovtek 12AX7LPS / ECC83 12AX7 Vacuum Tube FREE SHIP
$371.27 HKD
1 x 7025-12ax7A-ECC83 Sylvania Tube *Super Strong*NOS*NIB*
$366.51 HKD
2 NOS RCA 12BZ7 Black Plate Tubes 12AX7 sub USA 1963
$366.59 HKD
3  Raytheon 12DT7 Vacuum Tube.  Test very high 12ax7
Buy: $974.97 HKD
25 Pcs - 9 Pin Vacuum Tube Sockets 12AX7 Tube Audio Amplifier Amplification
$77.61 HKD
Matsushita 12AX7A ECC83 vacuum tube tested guaranteed N/M tested
$225.8 HKD
Matched Pair WE 5755 12AX7-Sub Audio Preamp Tubes w/Adapters #2
Buy: $428.99 HKD
12AX7 12AX7A  ECC83 Mullard  Pair 1968 (2) Gray O Getters Tested Watch Video
$389.91 HKD
New Electro Harmonix 12AX7 / ECC83 | One / Single Preamp Tube | EH
$62.32 HKD
12AX7 (3) GE NOS-NIB  TESTED MATCHED DATES  VACUUM TUBES (H87)
$280.79 HKD - 5 bids
GE 12AX7 ECC83 Long Plates D-Getter VACUUM TUBE 1955 1560/1710
$389.91 HKD
Sylvania   12ax7 Made In USA ( No Boxes )
Buy: $311.99 HKD
 PAIR TUNG SOL JTL 12AX7 Long Plate SQUARE Getter VACUUM TUBES Tested #D.3301
$311.6 HKD
2 Tung Sol Motorola 12AX7 ECC83 Long Plates D-Getter Vacuum Tubes 1190/1570 1265
$389.91 HKD
One NOS SYLVANIA 12AX7 / ECC83  Short Grey Plate Vintage Tube  #E9
Buy: $156.0 HKD
12AX7 ECC83 Vacuum Tube Results= 1190/1020
$210.52 HKD
Brand New In Box Mullard Reissue 12AX7 LONG Plate Vacuum Tube FREE SHIP
$143.36 HKD
New 2x Genalex Gold Lion 12AX7 / ECC83 | Matched Pair / Duet / Two Tubes
$506.59 HKD
4 GE JG 12AX7 Audio Tubes Long Gray Plates Military 1960 D getters
Buy: $389.6 HKD
ECC83 12AX7 PHILIPS MINIWATT TUBES MATCHED PAIR 2 PCS. VALVOLE TESTED
Buy: $637.71 HKD
VERY STRONG PAIR SYLVANIA JHS 12AX7 ECC83 TUBES FOR MESA MARSHALL BLACKSTAR A194
$389.6 HKD
 MULLARD ECC83 / 12AX7,   VINTAGE VALVES  /  TUBES. TEST 100% AS N.O.S. <br/> 100s OF THESE TUBES AVAILABLE.. MATCHED PAIRS OR QUADS.
Buy: $595.62 HKD