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Mullard ECC83/12AX7 mC1 1956 Date Code B6B Long Plates Vintage Electronic Tube
$523.82 HKD - 12 bids
(Three)  Amperex 12AX7/ecc83 Vacuum Tubes Bugle Boy~ Holland ((Tested!)) #8
Buy: $977.27 HKD
ONE PAIR TUNG SOL 7025  LOW NOISE 12AX7 NOS MATCHED PAIR USA SUPER NICE!!!
$547.27 HKD - 18 bids
Seven vintage Mullard 12AX7 ECC83 pre amplifier tube
$688.0 HKD - 5 bids
two MULLARD ECC83 12AX7 Vacuum Tubes NOS tested strong made in GREAT BRITAIN
$359.64 HKD - 12 bids
RARE BRIMAR 12AX7  ECC83 WELDED PLATES PLATES  DISC GETTER
$119.08 HKD - 5 bids
12AX7/ECC83 SVETLANA 'WINGED C' BOXED ANODE VALVE/TUBE
$194.86 HKD
2 RCA 12AX7  Long Black Plates D Getter Vintage Electronic Tube
$265.82 HKD - 5 bids
RCA 12AX7 Vintage Vacuum Tubes - 2 Pair - ECC83 CV492 CM1 guitar radio amp
$383.09 HKD - 15 bids
PAIR OF  MULLARD 12AX7 ECC83 I61 WHITE PRINT 1962
$530.45 HKD - 17 bids
MATCHED PAIR OF  MULLARD 12AX7 ECC83 I61 YELLOW PRINT 1963
$552.1 HKD - 8 bids
12AX7 ECC83 Vacuum Tube Made In Germany Unknown Company Untested
$39.09 HKD - 1 bid
 MULLARD ECC83 /  12AX7,   VINTAGE VALVES  /  TUBES.  TESTED GOOD.
Buy: $324.22 HKD
Vintage Hammarlund 12AX7 Vacuum Tube Made By Sylvania With RCA Box Good  USED
$8.68 HKD - 1 bid
3 X ZAERIX 12AX7 ECC83 NOS BOXED
$146.14 HKD - 7 bids
6 tube LOT vntg  5751WA  JAN NOS ~ 12AX7 5751 Matched GE  Tubes ~TV-7 Tested <br/> Premium Hickok TV-7 tested and Hi-Fi auditioned tube
$1004.64 HKD - 10 bids
Vintage Tubes Lot of 23 HARRY PEARSON ESTATE JAN Amperex Bugle Boy Mullard 12AX7
$218.91 HKD - 10 bids
BVA12AX7/ECC83 Vintage Tube Made in GB Untested
$86.0 HKD - 2 bids
12AX7 (8) MISC USED TESTED GRAY PLATE VACUUM TUBES (L37)
$101.56 HKD - 1 bid
Pair Mullard GE12AX7A ECC83 Audio Tubes
Buy: $469.09 HKD
4 X ECC83 12AX7 BRIMAR MULLARD MAZDA
$341.0 HKD - 6 bids
 3 NOS12AX7 ECC83  MATSUSHITA JAPAN Vacuum Tube RADIO GUARANTEED amp MATCHED PR
$195.45 HKD - 1 bid
5 12AX7 ECC83 TELEFUNKEN Smooth Plate Diamond Hi Fi & Guitar Amp Vacuum Tubes
$672.36 HKD - 5 bids
Lot of 4 - 12AX7 ECC83 Tubes Raytheon GE Bogen RCA Side Getter Tested TV7 
$136.82 HKD - 7 bids
one AMPEREX 12AX7 12AX7A ECC83 Vacuum Tube tested strong made in HOLLAND
$97.73 HKD - 2 bids
5 12AX7 GENERAL ELECTRIC Long Plate Hi Fi & Guitar Amp Vintage Vacuum Tubes
$156.29 HKD - 1 bid
MATCHED PAIR OF Ei YUGOSLAVIA ECC83 12AX7 LONG SMOOTH PLATES
$24.47 HKD - 4 bids
2 TUBES Telefunken 12AX7 ECC83 long 17mm plates diamond base WE Hickok 539B test
$1250.83 HKD
Seven  vintage Telefunken Fisher 12AX7 ECC83 pre amplifier tube
$1348.64 HKD - 5 bids
2 Mullard 12AX7/ECC83 Tube/Valve 14mm Plate O-Getter Fisher Tested
$390.83 HKD
4x Telefunken 12AX7/ECC83 Tube/Valve 17mm Smooth Plate Diamond Bottom Tested
$1250.83 HKD - 1 bid
Sylvania 5751WA Tube USA Triple Mica D Getter Tested TV7 12AX7 ECC83 JAS 5751
$144.64 HKD - 9 bids
JHS 12AX7 Tubes Sylvania 1965 Military Nice Pair ~ Test NOS, Closely Matched
$625.06 HKD
Vintage Amperex Bugle Boy 12AX7 Tube Long Plate D Getter Foil Strip Tests Good 2
$1016.29 HKD
4 12AX7 long grey plate foreign manuf.  tested Hickok
$218.91 HKD
4 Tubes/Valves NOS/NIB 12AX7A/ECC83 RCA label Made in Japan,Tested. Audio/Guitar
$1563.64 HKD
Vintage! Five NOS RCA 12AX7 tubes. All tested. In original boxes and sleeve.
$663.61 HKD - 7 bids
ECC83/12AX7-Matched Quad(4) of FISHER/TELEFUNKEN Tubes –TV-7 Tested NR  <br/> SELECT TUBES from RADIOORPHANAGE
$179.82 HKD - 5 bids
Set of 4 1961 RCA 12AX7A Tubes Tested Strong Made in USA "Webster Electric" Quad
$781.74 HKD
Mullard 12AX7 Tube I62 Halo Getter Ribbed Plate
$116.88 HKD
New 6x Mullard 12AX7 / ECC83 | Matched Sextet / Six Tubes
$836.15 HKD
Matched Pair Baldwin 12ax7/ECC83 short plates tubes O-getter - Japan - Test NOS
Buy: $390.83 HKD
Sylvania 5751 12AX7 Vacuum Tubes NOS/NIB Amplitrex Tested 3-Mica Balanced
Buy: $781.74 HKD
6N4J/12AX7 tubes Beijing NOS 8 pcs.special tone Connoisseur  tested
Buy: $1171.95 HKD
Vintage Mullard 12AX7 Tube Short Ribbed Gray Plate Halo Getter Tests Good 1957
$390.83 HKD
NOS RCA 12AX7A 7025 ECC83 12AX7 USA PAIR "CREAM OF THE CROP" HIGHEST ECHELON!!!
$2814.15 HKD
2 TUBES Telefunken Fisher 12AX7 ECC83 long 17mm plates diamond base WE Hickok tt
$1250.83 HKD
Platinum Matched Pair  ECC83 12AX7A  NOS  Valvo Holland Valve Tubes
$1569.69 HKD
Matched Pair  ECC83 12AX7A  Short plate ring getter NOS  RCA USA  Valve Tubes
$1407.31 HKD
NOS 12AX7 ECC83 "RAYTHEON USA" AMPLITREX-TESTED PLATINUM LOW NOISE TUBE 1960's
$872.51 HKD
2 Nice Vintage Matsushita 12AX7 1960s Tubes Test Strong Balanced Mullard Tooling
$781.74 HKD
Vintage ATES 12AX7 Ribbed Long Plate Tube D Getter 1950s Strong Balanced Italy
$390.83 HKD
1957 RCA USA 12AX7 ECC83 LONG BLACK-PLATE "D-GETTER" MATCH PAIR HIGHEST ECHELON
$2931.66 HKD
Three Amperex 12AX7 Vacuum Tubes Long Plate Large Foil Getter DX-MCP 1953-4 RARE
Buy: $3870.0 HKD
Two, Fisher-Telefunken 12AX7, long, smooth plate, matching pair, ECC83
$929.97 HKD
4-12AX7 Sylvania/Baldwin Certified *Reference Plus Grade* Superb Vintage Tubes
$977.27 HKD
(2) Pair  12ax7 ECC83  Amperex Bugle Boy Tubes VERY STRONG! (TESTED W/ TV-7D/U)
$1172.65 HKD
12AX7 ECC83 Brimar Black Plate Square Getter A Used Old Stock  Valve Tube 1pc PT
$920.16 HKD
12AX7 ECC83 Brimar Black Plate Square Getter B Used Old Stock  Valve Tube 1pc PT
$920.16 HKD
12AX7 ECC83 Mullard Blackburn 1964 I63 NOS Siemens 'Matched Pair' Preamp Tubes
Buy: $1720.0 HKD
4 12AX7 TUBES MULLARD and ELECTRONICS for MEDICINE     #J35
Buy: $1368.18 HKD
12 AX 7 (=ECC 83), NOS, Mullard ?
Buy: $382.29 HKD
2 NOS NIB Matched Mullard 10M Master Series 12AX7 ECC83 Audio Tubes GT. Britain
$3713.64 HKD
2 NOS Matched Mullard 10M Master Series 12AX7 ECC83 Audio Tubes GT. Britain
$3713.64 HKD
12AX7 ECC83 MULLARD MADE FOR TELEFUNKEN VACUUM TUBE (BJR1109)
$625.38 HKD
MATCHED PAIR OF MULLARD 12AX7 ECC83 VACUUM TUBES SAME DATE CODES NOS (BJR1118)
$1485.38 HKD
2 NOS NIB Matched GE JG 5751WA 12AX7 Black Plate Triple Mica Military Tubes USA
$1485.38 HKD
12AX7 Preamp Valve Tung Sol Pair Post Free
$378.78 HKD
NOS TELEFUNKEN 12AX7 ECC83 AMPLITREX TESTED TUBE RIBBED-PLATE 1950's 100%/100%
$703.25 HKD
(2) Siemens 12AX7/ECC83/CV4004/5751 Tubes ~ MATCHED PAIR!
Buy: $859.92 HKD
(2) Telefunken 12AX7/ECC83/CV4004/5751 ~ Smooth Plate Tubes ~ MATCHED PAIR!
Buy: $1563.56 HKD
(2) Telefunken 12AX7/ECC83/CV4004/5751 ~ Smooth Plate Tubes ~ MATCHED PAIR!
Buy: $1172.65 HKD
MATCHED PAIR OF 12AX7 KEN RAD 1940s PEWTER PLATE VACUUM TUBES (BJR3018)
$1094.47 HKD
Telefunken 12AX7 tested with Maxi-Preamp II - closely matched sections
Buy: $383.09 HKD
AMPEREX 12AX7A ECC83 DIMPLE-DISC TUBE AMPLITREX TESTED 1.6/1.5mA (133%/125% mA)
$1367.79 HKD
ECC83 12AX7A  NOS  Philips Miniwatt  Holland Valve Tubes
$811.91 HKD
1 x ECC83/12ax7 Mullard Tube *Strong & Balanced*Long Plates*  "f91"
$1008.47 HKD
RCA 12AX7 Vintage Vacuum Tubes - 2 Pair - ECC83 CV492 CM1 guitar radio amp
$183.73 HKD - 7 bids
Six  vintage Telefunken  12AX7 ECC83 pre amplifier tube
$1059.36 HKD - 3 bids
2 TUBES Telefunken tube 12AX7 ECC83 long 17mm plates diamond base Hickok 539B tt
$938.1 HKD
RCA 7025 ECC83 12AX7 SHORT GRAY PLATES TUBE Untested
$39.09 HKD
Vintage Mullard 12AX7 Tube Short Ribbed Gray Plate Halo Getter Tests Good 1959
$390.83 HKD
3 x 12ax7 RCA Tubes *Black Plates *D Getter*
$781.74 HKD
4 x 12ax7a Raytheon Tubes*Test Very Good*
$625.38 HKD
4 x 12ax7 GE-Conn Tubes *Short Grey Plates*O getter*Tv-7 Tested*
$469.01 HKD
10 x 12ax7a Raytheon-Baldwin Tubes*Very Strong*Japan*
$1368.18 HKD
4 x 12AX7 RCA/Baldwin Tubes*Long Black Plates* D-Getter*Very Strong Quad*1958*
$1164.83 HKD
30 x 12ax7 Sylvania-Baldwin Tubes*Very Strong*Tested*
$3987.27 HKD
10 x 12ax7 GE Tubes*Tested*
$1563.64 HKD
4 x 12ax7 RCA-Baldwin Tubes*Black Plates*D Getters*1958*
$969.38 HKD
2 x 12AX7/ECC83 Siemans Tubes*Bogen*Nice Balanced Pair*
$617.56 HKD
2 x 12AX7A Raytheon-Baldwin Tubes*Long Black Plates* Balanced*#8
$562.83 HKD
4 x 12AX7/ECC83 Telefunken<>Tubes *Very Strong*Smooth Plates*
$1719.92 HKD
1 x ECC83/12ax7 Mullard Tube*Very Strong & Balanced*Goal Post O*Long Plates*1958
$1008.47 HKD
4 x 12ax7/ECC83 G.E. Tubes *Long Grey Plates*D-Getter*Strong  Matched Quad*#1
$625.38 HKD
2 x 12AX7A Mullard?/Hammond Tubes *Very Strong Pair*Gt Britain*
$781.74 HKD
3 x 12AX7A-ECC83-7025 Sylvania Tubes *Test Strong*
$734.83 HKD
3 x 12AX7A/ECC83 IE-Tubes*Jugoslavia *Smooth Grey Plates*NIB*Super Strong*
$859.92 HKD
4 x 12ax7 RCA-Baldwin Tubes*Black Plates*D Getters*1958*#2
$891.19 HKD
4 x 12AX7/ECC83 Telefunken<>Tubes *Very Strong & Balanced*Fisher*mA Tested*
$1907.56 HKD