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3) Telefunken 12AX7 Ribbed Plates Tubes Tested Gm & Ip Auditioned 100%  c
$941.55 HKD
2 Telefunken 12AX7 ECC83 Ribbed Plate Tubes <> Between Pins Test Strong 1960
$400.33 HKD - 9 bids
Mazda 12AX7 / ECC83 Silver Plates - Tested Very Strong - Pair
Buy: $1452.16 HKD
Mullard ECC83 12AX7 CV492 Long Plate Square Getter 1600 Version
$174.13 HKD - 3 bids
 MULLARD ECC83,12AX7,CV4004 BOX ANODE,  VINTAGE VALVES TUBES TEST 100% AS N.O.S.
Buy: $1433.49 HKD
Mullard ECC83 yellow label 12AX7 valve tube
$36.16 HKD - 5 bids
12AX7/ECC83 SVETLANA 'WINGED C' BOXED ANODE VALVE/TUBE
$184.37 HKD
21 vntg 12AX7 Sylvania Long Plate USA Tubes ~TV7 Tested ~hi-fi tube lot baldwin <br/> Premium Hickok TV-7 tested and Hi-Fi auditioned tubes
$1573.83 HKD - 16 bids
12AX7A (2) RAYTHEON USED TESTED BLACK PLATE VACUUM TUBES (P75)
$90.27 HKD - 2 bids
Matched Pair Ei  Yugo 12AX7 ECC83 NOS Valves / Tubes
$532.63 HKD - 21 bids
5 mullard  12ax7 tubes
$1098.86 HKD
12AX7/ECC83/7025 (5) SYLVANIA NOS-NIB TESTED  VACUUM TUBES (P71)
$400.33 HKD - 5 bids
Lot Of (8) Vintage Ei 12AX7 ECC83 Vacuum Tubes NOS NIB Smooth Silver Plates Yugo
$816.82 HKD - 14 bids
13 VINTAGE 1960 RAYTHEON 12AX7A BALDWIN TUBES LONG BLACK PLATE PREAMP SET TESTED <br/> AMPLITREX TESTED!!......DETAILED RESULTS FOR EACH TUBE!
$416.03 HKD - 4 bids
AMPEREX BUGLE BOY,  ECC83 / 12AX7, VINTAGE VALVES  /  TUBES. TESTED.
Buy: $614.06 HKD
12AX7 RCA Black Plate Audio Receiver Guitar Vacuum Tubes Tested Pair
$207.93 HKD - 3 bids
Lot 60 12AX7 ECC83 5751 7025 Tubes Weak & Imbalanced
$1503.19 HKD - 31 bids
<> 6 vintage Telefunken smooth plate 12ax7 ecc83 tubes -tested- <>
$1809.32 HKD - 17 bids
ONE AMPEREX BUGLE BOY ECC83 OR 12AX7 HOLLAND Vacuum Tube  HICKOK 539C TESTED
$588.64 HKD - 1 bid
A Pair of 1954 Baldwin/Sylvania 12AX7/ECC83 Vacuum Tubes—Tests Strong!
Buy: $274.73 HKD
6 12au7  12ax7  8 12at7 tung sol sylvania dynaco rca etc Vacuum tubes Lot
$510.22 HKD - 18 bids
Telefunken 12AX7- ECC83 ....Quad..17mm ribbed long grey plate..
Buy: $1373.67 HKD
NOS/NIB Mullard 12AX7 ECC83 Tube Copper Grid Posts
$431.65 HKD - 10 bids
12AX7B BUGERA VALVE NEW BOXED 1 PIECE
$153.64 HKD
2 TELEFUNKEN ECC83 12AX7 TUBES
$439.57 HKD - 10 bids
Lot of 3 RCA black plate 5751 12ax7 tubes
$235.09 HKD - 1 bid
Telefunken ECC83 12AX7A Guitar Audio Vacuum Tubes Test Pair
$392.4 HKD - 1 bid
12AX7A / 6681 NOS International Tubes, Qty 4, Made in Japan (Same date code!)
$337.53 HKD - 3 bids
Matched Pair  ECC83 12AX7 Svetlana  Winged  " C "  Valve Tubes
$409.71 HKD
(5) 12AX7 Baldwin Tubes Vacuum Tube USA Piano Guitar Vintage Lot 1 of 5
$78.42 HKD - 1 bid
JJ/Tesla ECC83S 12AX7 ECC83 Preamp Tubes, Set of 3
Buy: $275.91 HKD
Matching Pair (2) Telefunken Ribbed Plate  ECC83 12AX7 tubes. TV-7 test strong.
$541.62 HKD - 6 bids
2 matched  amperex Holland  Bugle Boy 12ax7  tubes
$784.88 HKD
(5) 12AX7 Baldwin Tubes Vacuum Tube USA Piano Guitar Vintage Lot 3 of 5
$86.34 HKD - 2 bids
2 strong tightly matched mil spec rca 3 mica blk plate 5751wa / 12ax7 tubes
$627.88 HKD
Telefunken 12AX7- Vintage Tube
$156.99 HKD
2 x 12AX7 RCA Tubes*Long Black Plates* D-Getter*1956*
$580.79 HKD
Mullard / Fisher branded 12AX7- Vintage Tube
$156.99 HKD
2 x 12AX7A RCA Tubes *Short Grey Plates* O-Getter*MeatBall*
$400.25 HKD
matched / balanced pair E83CC / 7025 / 12AX7 /ECC83, highgrade TAD, new,
Buy: $273.25 HKD
5751 Jan Philips ecg  ECC83 12AX7 New Old Stock Valve Tube  Elect Matched Pair
$624.81 HKD
2 excellent  raytheon black plate  12ax7a / 12ax7  tubes
$392.4 HKD
New Gain Matched Trio (3) Tung-Sol Reissue 12AX7 ECC83 Tubes - Authorized Dealer
$337.69 HKD
5 new 12AX7 HG Ruby Select Preamp tube 12ax7a ECC83
Buy: $384.63 HKD
Telefunken 12AX7 ECC83 Smooth Plate quad (4) tubes Tested on Hickok.
$1530.66 HKD
(4) RCA Mullard 12AX7 Tubes, gray plates, halo getters, original boxes
$1177.43 HKD
No Brand 12AX7A Vacuum Tube, Clean, Test GOOD
$7.77 HKD
8 sylvania and ge 12ax7wa 12ax7a  12ax7    tubes
$706.38 HKD
2 Valvo ECC83 12AX7 matched pair # ribbed plates / tube Röhre Valvola ventil
Buy: $721.97 HKD
RCA 12AX7 White Letter NOS  Audio Receiver Preamplifier Vacuum Tubes Tested Pair
$392.4 HKD
Mullard Blackburn ECC83 12AX7 Grey Ladder Ring Getter Valve/Tube 1 Piece (V26)
$307.29 HKD
2   rca 3 mica blk plate 5751 / 12ax7 tubes
$549.39 HKD
New Reissue Genalex Gold Lion 12AX7 / ECC83 / B759 GOLD PINS Vacuum Tube FREE SH
$266.49 HKD
ECC83 12AX7 ATES lic. RCA  D GETTER PLACCA 17mm RINFORZATA
Buy: $548.33 HKD
NOS Matched Pair BRIMAR BVA CV4004 / 12AX7 Made in England Valves/Tubes
Buy: $2288.06 HKD
NOS 12AX7 / ECC83 Square Foil Getter MARSHALL OEM BEST-RARE!
$133.36 HKD
SYLVANIA12AX7 TIGHT MATCH QUARTET LONG PLATE SQR GETR TEST NOS++ VINTAGE 1959
$808.11 HKD
RCA 12AX7/ECC83 NOS/NIB Manufactured in 1967
Buy: $282.58 HKD
2 strong telefunken smooth plate 12ax7 tubes
$706.38 HKD
4x Tung-sol 12AX7 ECC83 Valve s Tubes TUNGSOL Matched with 1 balanced (4 valves)
$899.43 HKD
NIB new matched quad (lot of 4) 12AX7/ 12AX7B / ECC83 / 7025 vacuum tubes
$207.15 HKD
NOS MULLARD BLACKBURN 12AX7 ECC83 1960'S LOW NOISE SELECT TUBE 7025 NIB
$667.21 HKD
ECC83 12AX7A  Short plate ring getter NOS  RCA USA  Valve Tubes
$614.57 HKD
ECC83(12AX7) Orig.Telefunken, smooth pl. Pair Nr.3
Buy: $1270.3 HKD
Mullard Blackburn ECC83 12AX7 Grey Ladder Plate Valve/Tube NOS (V25)
$512.14 HKD
Philips Miniwatt ECC83/12AX7 Tube Large O-Getter Short Plate 1960 Holland
$305.98 HKD
4 GE JAN 12AX7WA TUBES
$165.23 HKD - 10 bids
Brand New In Box Gain Matched Pair Mullard Reissue 12AX7 Vacuum Tubes LONG Plate
$274.18 HKD
12AX7LPS SOVTEK LARGE PLATE MATCHED (difference ~0) PAIR TUBES=ECC83
$358.4 HKD
5751 Jan Philips ecg  ECC83 12AX7 New Old Stock Valve Tube  1 pc
$281.68 HKD
Two, Telefunken 12AX7, long, smooth plate, matching date pair, ECC83
$1247.68 HKD
12Ax7 2ea.  7062/E180cc 4 ea.
$153.07 HKD
Matched Lot of (4) Lowrey/Raytheon 12AX7A Tubes TEST STRONG! NO RESERVE!
$7.77 HKD
NOS Matched Pair Vintage 1950 RCA 12AX7 7025 ECC83 BLACK PLATE TUBES (item#3)
$1177.35 HKD
Telefunken 12AX7 ECC83 Vacuum Tube <>  Bogey + SUPER Balanced 1690|1710
$580.79 HKD
4 Matched RCA 12AX7 Black Plate Audio Tubes USA
$1452.16 HKD
12AX7WA JAN GE NOS BOXED VALVE TUBE
$486.54 HKD
12AX7 CV4004 ECC83 LANGREX PREMIUM VALVE/TUBE
Buy: $117.79 HKD
Two 12AX7 ECC83 Europa short plate matched NOS & NIB
Buy: $447.8 HKD
Amperex 1956 Bugle Boy ECC83/12AX7 Long Plate Foil D-Getter Low Test
Buy: $384.55 HKD
2 NOS Matched Amperex 12AX7A ECC83 Audio Tubes Holland
$1059.69 HKD
New Gain Matched Pair (2) Tung-Sol Reissue 12AX7 ECC83 Tubes - Authorized Dealer
$229.36 HKD
Matched Pair NOS NIB Vintage 1963 Tung sol 6681 12AX7 ECC83 tubes
$706.38 HKD
Lot Of (5) Vintage GE 5751 (12AX7) Vacuum Tubes NOS NIB JAN Military Sleeve 1967
$78.42 HKD
Tung-Sol 12AX7 ECC83 Pre Amp Amplifier Tubes Quad Set
$298.28 HKD
VACUUM TUBE SHIELDS 9-PIN 12AX7 12AU7 12AT7 5751 12AY7 7025 ECC83 ECC82 AMP
Buy: $25.82 HKD
4 x 12AX7A RCA Tubes*Short Plates*Very Strong Matched Quad*Low Noise*
$1098.86 HKD
2 1950's RCA Black Plate Clear Top 12AX7 7025 Vacuum Tubes Tested Guaranteed! #4
$383.69 HKD
12AX7,   (1) MULLARD USED TESTED  VACUUM TUBE (P76)
$78.42 HKD
3 NOS Sylvania JHS 5751 (12AX7) From 1962 Vacuum Tubes
Buy: $1562.06 HKD
2 Strong Matched RCA Long Black Plate Angled D Getter 12AX7 / ECC83 Tubes
$765.25 HKD
Westinghouse Tube Substitution Guide. Vacuum Tubes Sub 12AX7 5Y3GT 12AU7 More !!
Buy: $54.95 HKD
4 TELEFUNKEN 12AX7 ECC83 TUBES SMOOTH PLATE TV-7 TEST EXCELLENT
$1373.59 HKD
12AX7A / ECC83 / 7025 x2 NOS/NIB Sylvania Preamp Tubes-Date Match-Free Shipping
Buy: $588.64 HKD
BRIMAR ECC83 / 12AX7, LONG  PLATE ,  VINTAGE VALVE  / TUBE.
Buy: $511.63 HKD
1960 Mullard 12AX7 Made at the Blackburn Plant Vintage Electronic Vacuum Tube
Buy: $376.78 HKD
Matched Pair Telefunken 12AX7 Smooth Plates Tubes Tested Gm & Ip Auditioned 100%
$863.06 HKD
FACTORY NEW - 2x (pair) GENALEX GOLD LION 12AX7 ECC83 B759 AUDIO TUBE - GOLD PIN
$506.22 HKD
3 Matched Vintage Matsushita 12AX7 1960s Tubes Very Strong Balanced Mullard Tops
$1177.35 HKD
Mullard Blackburn Yellow Print ECC83 12AX7 Ring Getter Valves/Tubes Pair (V26)
$1536.43 HKD