 |
 Matched Pairs of Russian 6Pi3C 6L6GB 6L6 amp tubes NEW in Box $21.99 Time Remaining: 6d 9h 55m Buy It Now for only: $21.99 |
 Amperex 7308 E188CC USN CEP PQ Matched Pair Gold Pin Test NOS 6DJ8 6922 $67.00 (9 Bids) Time Remaining: 2d 5h 38m |
 Tung Sol ECC803S 12AX7 Gold Pin tubesReissueNEW Matched Pair $41.99 Time Remaining: 13d 10h 6m Buy It Now for only: $41.99 |
 Pair of Leak tl10 power amplifiers matching point one preamps unrestored N $1,895.76 Time Remaining: 27d 20h 6m Buy It Now for only: $1,895.76 |
 Matched Pairs Svetlana 6L6GC 6L6 amp tubes NEW $38.49 Time Remaining: 5d 13h 50m Buy It Now for only: $38.49 |
 Matched Pair Tung Sol 6L6G 6L6 Big Bulb Tubes NEW $46.99 Time Remaining: 6d 10h 44m Buy It Now for only: $46.99 |
 Matchd Pair Electro Harmonix 300B tubes NEW $152.97 Time Remaining: 21d 23h 58m Buy It Now for only: $152.97 |
 Matched pairs Tung Sol 5881 Reissue amp tubes NEW $35.99 Time Remaining: 6d 11h 3m Buy It Now for only: $35.99 |
 Bryston 7B ST Pair Ex Cond Matched Serial s W Original Boxes Nice $2,750.00 Time Remaining: 4d 4h 2m Buy It Now for only: $2,750.00 |
 Matched Pairs JJ Tesla 6L6GC 6L6 tubes NEW $34.99 Time Remaining: 5d 13h 33m Buy It Now for only: $34.99 |
 Matched Pairs of Svetlana EL34 amp tubes NEW $37.49 Time Remaining: 5d 13h 35m Buy It Now for only: $37.49 |
 Genalex Gold Lion ECC88 6922 tubes Brand New Matched Pair $77.99 Time Remaining: 27d 11h 10m Buy It Now for only: $77.99 |
 Matched Pairs Tung Sol KT120 KT88 6550 tubesBRAND NEW $84.99 Time Remaining: 6d 9h 37m Buy It Now for only: $84.99 |
 Matched Pair Genelax Gold Lion KT88 tubes Reissue NEW $92.99 Time Remaining: 6d 10h 52m Buy It Now for only: $92.99 |
 Matched Pairs Sovtek 6L6WXT+ Plus Version 6L6 Brand New $28.99 Time Remaining: 5d 13h 48m Buy It Now for only: $28.99 |
 Matched Pairs Genalex Gold Lion KT66 tubesReissue NEW $69.99 Time Remaining: 6d 10h 16m Buy It Now for only: $69.99 |
 Factory Matched Pair JJ 2A3 40 amp tubes Brand New $247.99 Time Remaining: 5d 19h 55m Buy It Now for only: $247.99 |
 MAKE OFFER QUICKSILVER SILVER SIXTY 60 AMPLIFIERS AMP PAIR MATCHED MONOBLOCKS $2,000.00 Time Remaining: 5d 6h 55m Buy It Now for only: $2,000.00 |
 Matching Pair Quam Nichols 3 1 2 Alnico Tweeter Speakers 8 ohms $25.00 Time Remaining: 27d 4h 35m Buy It Now for only: $25.00 |
 Factory Matched Pairs Electro Harmonix 6550 tubes NEW $54.99 Time Remaining: 6d 10h 57m Buy It Now for only: $54.99 |
 Matched Pairs Svetlana KT88 Power Amp Tubes NEW $64.99 Time Remaining: 6d 10h 14m Buy It Now for only: $64.99 |
 Amperex 6922 E88CC PQ Gold Pin Matched Pair USA NOS New in box 1964 7308 $62.50 (10 Bids) Time Remaining: 3d 7h 10m |
 Matched Pair Mullard EL84 6BQ5 Reissue tubes NEW $29.99 Time Remaining: 6d 10h 39m Buy It Now for only: $29.99 |
 Matched Pairs of Electro Harmonix EL84 tubes NEW $20.49 Time Remaining: 6d 10h 1m Buy It Now for only: $20.49 |
 Electro Harmonix 12AX7 ECC83 pre amp tubesGold PinNEW Matched Pair $31.99 Time Remaining: 27d 11h 8m Buy It Now for only: $31.99 |
 Matched Pairs Groove Tubes 6550 tubes Fender NEW $59.99 Time Remaining: 6d 10h 3m Buy It Now for only: $59.99 |
 Matched Pairs Tung Sol 6550 Reissue amp tubes BRAND NEW $59.99 Time Remaining: 5d 13h 38m Buy It Now for only: $59.99 |
 Matched Pair Electro Harmonix KT88 tubes BRAND NEW $59.99 Time Remaining: 5d 13h 44m Buy It Now for only: $59.99 |
 Matched Pairs JJ Big Bottle 6CA7 EL34 type tubesNEW $34.99 Time Remaining: 5d 13h 24m Buy It Now for only: $34.99 |
 TUNG SOL LOWERY 12AX7A 14mm O GETT 997 MATCH PAIR USA $179.80 Time Remaining: 5d 5h 25m Buy It Now for only: $179.80 |
 Matched Pairs Genelax Gold Lion 6V6 GT CV 511 tubes NEW $59.99 Time Remaining: 5d 13h 42m Buy It Now for only: $59.99 |
 Matching Pair Quam Nichols 10 Alnico Speakers 8 ohms 15 watts $75.00 Time Remaining: 26d 4h 56m Buy It Now for only: $75.00 |
 Svetlana 12AX7 ECC83 preamp tubes valves NEW Matched Pair $28.99 Time Remaining: 13d 10h 12m Buy It Now for only: $28.99 |
 Matched Pairs Electro Harmonix EL34 amp tubes NEW $27.99 Time Remaining: 6d 9h 58m Buy It Now for only: $27.99 |
 Amperex 7308 E188CC USN CEP PQ Matched Pair Gold Pin Test NOS 6DJ8 6922 $195.00 Time Remaining: 22d 22h 42m Buy It Now for only: $195.00 |
 TJ FULL MUSIC 300B Tubes PREMIUM MESH GLOBE SHAPE MATCHED PAIR 310 $306.84 Time Remaining: 9d 3h 17m Buy It Now for only: $306.84 |
 Matching Pair Quam Nichols 6 Alnico Speakers 4 ohms $50.00 Time Remaining: 27d 4h 29m Buy It Now for only: $50.00 |
 JJ Electronic ECC83S 12AX7 ECC83 pre amp tubes New Matched Pair $24.99 Time Remaining: 13d 11h 24m Buy It Now for only: $24.99 |
 Polystyrene NOS Capacitors 15nF 400V matched pair $1.20 Time Remaining: 16d 15h Buy It Now for only: $1.20 |
 Musical Fidelity Hi Fi BRITISH MADE Speakers Matched Pair In Walnut BI WIRE $173.76 Time Remaining: 9d 16h 55m Buy It Now for only: $173.76 |
 JJ Gold Pin preamp tubesE88CCBest 6922 6DJ8 ECC88NEW Matched Pair $51.99 Time Remaining: 13d 11h 35m Buy It Now for only: $51.99 |
 Castle Warwick Speakers Matched Pair Fully Boxed Ship W W $18.17 (6 Bids) Time Remaining: 4d 23m |
 Matched pairs Sovtek EL84M 7189 6BQ5 Tubes Brand New $25.99 Time Remaining: 6d 10h 37m Buy It Now for only: $25.99 |
 JJ Gold Pin preamp tubesECC803S long plates 12AX7 BRAND NEW Matched Pair $57.99 Time Remaining: 13d 11h 38m Buy It Now for only: $57.99 |
 Genalex Gold Lion 12AU7 ECC82 B749 tubes Brand New Matched Pair $66.99 Time Remaining: 13d 11h 3m Buy It Now for only: $66.99 |
 Matched Pairs JJ Tesla KT66 amp tubes BRAND NEW $67.68 Time Remaining: 6d 9h 32m Buy It Now for only: $67.68 |
 Polystyrene NOS Capacitors 01uF 250V 100nF matched pair $1.70 Time Remaining: 12d 20h 17m Buy It Now for only: $1.70 |
 Matched Pairs JJ Electronic EL844 EL84 6BQ5 power amp tubesBrand NEW $24.99 Time Remaining: 6d 11h 8m Buy It Now for only: $24.99 |
 SANKEN Transistor 2SA1295 2SC3264 Match Pair $10.80 Time Remaining: 12d 49m Buy It Now for only: $10.80 |
 Electro Harmonix 6SN7 6SN7GT Gold Pins tubes NEW Matched Pair $63.99 Time Remaining: 13d 9h 58m Buy It Now for only: $63.99 |
 Factory Matched Pair JJ E34L EL34 amp tubes BRAND NEW $34.88 Time Remaining: 22d 1m Buy It Now for only: $34.88 |
 JJ Tesla 12AU7 ECC82 preamp tubes NEW Matched Pair $24.99 Time Remaining: 13d 11h 41m Buy It Now for only: $24.99 |
 Electro Harmonix 12AT7WC 12AT7 Ultra Low Noise tubeNEW Matched Pair $34.99 Time Remaining: 13d 10h 59m Buy It Now for only: $34.99 |
 TUNG SOL 12AX7 17mm PLATE D GETTER 998 MATCH PAIR USA $228.80 Time Remaining: 15d 4h 40m Buy It Now for only: $228.80 |
 TJ Full music 6SN7 matched pair vacuum tubes $112.99 Time Remaining: 20h 38m Buy It Now for only: $112.99 |
 Heathkit W 5M Mono Amp Matching Pre Amp Pair with Peerless Transformers $1,400.00 Time Remaining: 25d 1h 14m Buy It Now for only: $1,400.00 |
 Sovtek 5751 12AX7 pre amp tubes BRAND NEW Matched Pair $39.99 Time Remaining: 13d 10h 28m Buy It Now for only: $39.99 |
 JJ ECC803S tubesthe best in 12AX7 type long platesBrand New Matched Pair $28.49 Time Remaining: 13d 11h 32m Buy It Now for only: $28.49 |
 Matched Pairs Electro Harmonix KT90 KT88 tubes NEW $85.99 Time Remaining: 6d 10h 32m Buy It Now for only: $85.99 |
 RCA AMPEREX 12AX7A ECC83 Match Pair 17mm O Gett HOLLAND $388.80 Time Remaining: 29d 9h 24m Buy It Now for only: $388.80 |
 TWO MATCHED RAYTHEON PAIR VINTAGE 6F8G 6F8 G HIGH END TUBES 6SN7 WG VT 231 SUBS $160.00 Time Remaining: 19d 12h 26m Buy It Now for only: $160.00 |
 Mordaunt Short MS25i Maple Hi Fi Speakers Audiophile Matched Pair MS 25 $85.31 Time Remaining: 1d 2h 43m |
 JJ Tesla 12AT7 ECC81 preamp tubes NEW Matched Pair $25.99 Time Remaining: 13d 12h 13m Buy It Now for only: $25.99 |
 JJ Gold Pin preamp tubes ECC83S 12AX7 BRAND NEW Matched Pair $44.99 Time Remaining: 13d 11h 21m Buy It Now for only: $44.99 |
 JJ Electronic 6922 E88CC 6DJ8 preamp tubes NEW Matched Pair $30.99 Time Remaining: 13d 10h 57m Buy It Now for only: $30.99 |
 Matched Pairs JJ Electronic 6550 power amp tubesBrand NEW $72.48 Time Remaining: 5d 13h 17m Buy It Now for only: $72.48 |
 Electro Harmonix 12AU7 ECC82 pre amp tubesGold Pin NEW Matched Pair $36.99 Time Remaining: 13d 10h 51m Buy It Now for only: $36.99 |
 Electro Harmonix 6922 pre amp tubesGold Pin NEW Matched Pair $41.99 Time Remaining: 13d 10h 48m Buy It Now for only: $41.99 |
 JJ Gold Pin preamp tubes ECC81 12AT7 BRAND NEW Matched Pair $44.99 Time Remaining: 10d 10h 8m Buy It Now for only: $44.99 |
 Philips ECG JAN 12AT7WC ECC81 12AT7 tubesBrand New Matched Pair $31.99 Time Remaining: 13d 12h 16m Buy It Now for only: $31.99 |
 Electro Harmonix 12AU7 pre amp tubes New Matched Pair $24.99 Time Remaining: 13d 11h 5m Buy It Now for only: $24.99 |
 Electro Harmonix 12BH7 pre amp tubes Brand New Matched Pair $27.99 Time Remaining: 13d 10h 9m Buy It Now for only: $27.99 |
 NOS Soviet 6H8C 6SN7 6SN7GT pre amp tubesBrand New Matched Pair $37.99 Time Remaining: 13d 12h 6m Buy It Now for only: $37.99 |
 Electro Harmonix 5751 pre amp tubesGold Pin NEW Matched Pair $61.99 Time Remaining: 8d 23h 13m Buy It Now for only: $61.99 |
 Matched Pair NOS Soviet Russian 6pi14pi EB 7189 EL84M 6BQ5 tubes NEW $35.99 Time Remaining: 14d 12h 21m Buy It Now for only: $35.99 |
 SYLVANIA JAN 618912AU7 14mm O GETT USA 998MATCH PAIR $79.80 Time Remaining: 18d 6h 36m Buy It Now for only: $79.80 |
 TWO MATCHED RCA PAIR VINTAGE 6F8G 6F8 G HIGH END AUDIO TUBES 6SN7 WG VT 231 SUBS $140.00 Time Remaining: 10d 8h 49m Buy It Now for only: $140.00 |
 Matched Pairs Electro Harmonix 7591 7591A amp tubesBRAND NEW $41.99 Time Remaining: 5d 13h 27m Buy It Now for only: $41.99 |
 Matched Pair NOS Soviet Russian 6K32pi EF86 tubes Winged C NEW $42.99 Time Remaining: 14d 12h 30m Buy It Now for only: $42.99 |
 JJ Gold Pin preamp tubes ECC802S long plate 12AU7 BRAND NEW Matched Pair $59.99 Time Remaining: 13d 11h 51m Buy It Now for only: $59.99 |
 JJ Gold Pin preamp tubes ECC82 12AU7 BRAND NEW Matched Pair $45.99 Time Remaining: 13d 11h 44m Buy It Now for only: $45.99 |
 Philips E90F 6BH6 Tube Phillips NOS Matched A pair Mesh Plate Marantz 8B $39.00 Time Remaining: 8d 1h 43m Buy It Now for only: $49.00 |
 SYLVANIA 12AX7 BLK PL D GETTER ELEC TUBE USA MATCH PAIR $128.00 Time Remaining: 18d 5h 49m Buy It Now for only: $128.00 |
 RCA 12AX7 17mm PLATE WHITELogo D GETTER USA MATCH PAIR $148.80 Time Remaining: 9d 8h 27m Buy It Now for only: $148.80 |
 SYLVANIA 6GK6 BLK P O GETTER OLD VERSION 99 MATCH PAIR $69.80 Time Remaining: 13d 6h 54m Buy It Now for only: $69.80 |
 HEWLETT PACKARD 6L6GC BLACK VINTAGE MATCH PAIR TUBE $149.80 Time Remaining: 19d 13h 6m Buy It Now for only: $149.80 |
 Electro Harmonix 12BH7 GOLD PIN pre amp tubesBrand New Matched Pair $52.99 Time Remaining: 28d 1h 54m Buy It Now for only: $52.99 |
 SYLVANIA 6GK6 BLK P O GETTER OLD VERSION 97 MATCH PAIR $59.80 Time Remaining: 13d 6h 56m Buy It Now for only: $59.80 |
 RCA 12AX7 17mm PLATE RIBB D GETTER USA 976 MATCH PAIR $138.80 Time Remaining: 18d 5h 5m Buy It Now for only: $138.80 |
 SYLVANIA 6GK6 BLK P O GETTER OLD VERSION 99 MATCH PAIR $69.80 Time Remaining: 13d 6h 36m Buy It Now for only: $69.80 |
 SYLVANIA 6GK6 BLK P O GETTER OLD VERSION 99 MATCH PAIR $69.80 Time Remaining: 13d 6h 48m Buy It Now for only: $69.80 |
 SYLVANIA 6GK6 BLK P O GETTER OLD VERSION 98 MATCH PAIR $63.80 Time Remaining: 13d 6h 51m Buy It Now for only: $63.80 |
 NEW SYLVANIA SLX 4 DUAL SOURCE IMPEDANCE MATCHING SPEAKER SELECTORS 4 PAIR $98.95 Time Remaining: 22d 14h 8m Buy It Now for only: $98.95 |
 New Shuguang 6SN7GT 6SN7 Vacuum Tube Match Pair $39.69 Time Remaining: 11d 23h 57m Buy It Now for only: $39.69 |
 RCA 12AX7A 14mm PLATE RIBB O GETTER USA 996MATCH PAIR $198.80 Time Remaining: 1d 2h 11m Buy It Now for only: $198.80 |
 GE FENDER 12AX7A 7025 14mm O GETTER 998MATCH PAIR USA $179.80 Time Remaining: 15d 4h 2m Buy It Now for only: $179.80 |
 RCA 12AX7A 14mm PLATE RIBB O GETTER USA 996MATCH PAIR $188.80 Time Remaining: 1d 1h 52m Buy It Now for only: $188.80 |
 RCA 12AX7A 14mm PLATE RIBB O GETTER USA 998MATCH PAIR $228.80 Time Remaining: 18d 4h 57m Buy It Now for only: $228.80 |
 RCA 12AX7A 14mm PLATE RIBB O GETTER USA 998MATCH PAIR $178.80 Time Remaining: 18d 5h Buy It Now for only: $178.80 |
 RCA 12AX7A 14mm PLATE RIBB O GETTER USA 998MATCH PAIR $228.80 Time Remaining: 18d 4h 52m Buy It Now for only: $228.80 |
Without looking, how many socks must you pick in order to be guaranteed a matching pair?
There are 12 socks in a drawer, 6 black and 6 brown. Without looking, how many socks must you pick in order to get a guaranteed matching pair?
3 because there has to be at least two of one sock
Recording the drum kit with two microphones - AKA The Recorderman technique