Cable Tube
Cable Tube
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 Finished Tube 6N11 X 10D Buffer Pre AMP Base on Musical Fidelity Golden Pannel  US $118.00
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 VINTAGE REALISTIC MPX 215 MULTIPLEX ADAPTOR JAPAN TUBE US $46.00
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 SME 3012 MK1 Conversion Kit for Transcription Turntables US $405.00
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 Pair Dynaco Dynakit MKIII Mono tube amplifiers Guaranteed workingSweet US $1,099.00
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 Marantz 2265 Stereo Receiver Great Vintage Receiver US $319.99
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 RARE VINTAGE ORTOFON SMG 212 TONEARM FOR SPU US $910.00
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 Big Mystery 1905s Mono Williamson 807 Hi Fi Amp works NR US $100.00
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 Heatkit WA P2 Tube Preamp clean needs tubes 12AX7 12AU7 US $25.00
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 Large Lot vintage hifi parts Koss Dustbug Cartridges ETC as is NR US $10.00
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 McIntosh C8 Tube Preamp complete with Power Supply US $233.50
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 MCINTOSH C 39 PREAMPLIFIER A V CONTROLLER THX DOLBY INCLUDES REMOTE OWNERS MAN US $576.00
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 OLD PHILCO TOOLBOX PROJECT GUITAR TUBE AMP AMPLIFIER HEAD 2X ECL 82 EZ 80 ECC 83 US $129.00
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 RCA Victor Japan Co Audiola MST 30 stereo tube amplifier EL84 JVC Nipper US $299.00
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 Vintage McIntosh Preamplifier C 8 from Estate of Yankee Announcer US $495.00
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 Vintage Rare General Electric MF 1 STEREO PHONO TUBE PREAMPLIFIER MINT CON US $234.00
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 ARVIN 1586 TUBE AMPLIFIER MONO AMP US $9.99
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 Dynaco ST 70 Stereo Tube Amplifier Perfect Working Condition US $355.00
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 MILITARY RADIO ELECTRONICS MANUALS MORE 330 BOOKS DVD US $9.99
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 CAMBRIDGE AUDIO Rare P40 P 40 Integrated Amp AmplifierMM MC Phono FREE SHIP US $86.00
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 Pair Matched Shuguang 211 Vacuum Tubes US $99.99
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 RARE Vintage 1977 JVC Model 3060 Radio TV Cassette Recorder Boombox WORKS US $120.00
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 TANNOY HOTHOUSE CUSTOM BUILT PRO MONITORING SYSTEM IN KEAL CASES FOR $3800 US $3,800.00
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 Bell Howell Vintage Tube Amp 25 Watt Power Speaker 16863 US $56.00
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 6 Vintage Cloth Double Insulated Shielded Hook Up Wire Tube Amp DIY Silver TWIN US $7.99
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 GORGEOUSLY RESTORED PAIR OF QUAD II 2 TUBE AMPLIFIERS AMPS US $2,498.00
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 Straight Wire Rhapsody XLR Interconnect Cables A NICE PAIR US $9.99
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 Madrigal Mark Levinson XLR Interconnect Cable WORKS GREAT US $9.99
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 Music Interface Technologies CAMAC To RCA Interconnect Cables A NICE PAIR US $10.49
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 Mark Levinson CAMAC To RCA Interconnect Cables A NICE PAIR US $51.00
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 APPJ EL8412AX7 mini tube amp Original miniwatt N3 US $189.00
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 Tube 6N11 X 10D Buffer Pre AMP Base on Musical Fidelity Black panel US $118.00
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 NATIONAL NC 183 US $200.00
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 KOSS PORTAPRO 35 MM STEREO HEADPHONES PORTABLE FOLD FOR MP3 PLAYER IPHONE IPOD US $39.99
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 RETRO VINTAGE SHURE BROTHERS 51 DYNAMIC MICROPHONE SNYDER STAND 15 CORD F163 US $129.99
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 Bogen M330A Vacuum Tube Public Address PA amplifier excellent guitar amp US $99.00
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 1947 Magnavox Mono Antique Radio Turntable works for parts or restoration US $10.00
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 2 SETS TUBE OCTAL CABLE CONNECTORS FEMALE MALE US $7.50
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 Pionner SR 101 Reverbaration Amplifier Vintage Tube Design w Manual US $300.00
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 Quad Tube Amp Bias match Meter 6L6 El34 KT88 6BQ5 Probe US $65.95
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 Extraordinary AirTight ATM 1 Integrated Amplifier US $1,277.00 |
 Huge Lot Assorted Vintage Electronic Catalogs Brochures Literature 1930s 1970s US $9.99
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 CALBEST MODEL 8211 STEREOPHONIC HIGH FIDELITY TWIN AMPLIFIER TUBE 1963 US $199.00
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 lot of 30 Vintage Tubes Philco RCA 4AU6 6AF4A 6CL6 6BF5 6AQ6 6BU8 6BN4A 6CL6 US $9.99
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 Musical Fidelity X 10D tube line level preamplifier US $56.00
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 CLASSROOM SCIENCE ELECTRONICS ELECTROMAGNETIC DEMO EXPERIMENT TEACHING KIT US $99.99
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 Ampex remote control for 350 351 352 354 PR 10 etc US $295.00 |
 Richardson National Electronics NL 866A Half Wave Rectifier Diode Vacuum Tube US $10.99
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 Voice of Music Model 722 Stereophonic Vintage Tube Reel to Reel Tape Recorder US $39.99
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 Vintage Westinghouse STEREO TUBE AMP 12AX7 Mallory 235 US $14.95
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 VINTAGE 1920s OLD ATWATER KENT GREAT MODEL 10 BREADBOARD RADIO WITH BOTTOM TAGS US $202.50
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 Tube Amp Bias match Meter 6L6 El34 KT88 6550 7027 5881 6v6 6BQ5 7591 Probe US $59.95
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 Banana Spade plug Adapter Amplifier speaker terminal x4 US $4.50
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 MOJO AUDIO 15M 8AWG CROSS HELIX WESTERN ELECTRIC POWER CORD AUDIIOPHILE US $169.95
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 Vintage 1959 The Fisher Model X 101 ST Tube Stereo Master Control Amplifier US $10.49
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 Banana plug Spade Adapter 4 Marantz Mcintosh Amplifier US $4.89
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 Shindo Giscours Monoblock Tube Preamps with Phono Stage US $3,050.00
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 DYNACO Gold Input Jack Board Stereo 70 ST70 ST 70 US $14.99
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 4 pcs High End Audio RCA Plug Connector for Tube Amp US $9.00
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 Smallest Mini Tube AMP HIFI Audio Amplifer 6F3 PCL85 x2 US $199.00
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 Valve Class A Tube Headphone Earphone Preamp Mini Amplifier Bravo Audio Ocean US $129.99
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 Brand New Vacuum Tube Amplifier Kit by Gakken Japan US $170.00
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 Quad Tube Audio Amp Bias Matching Meter Tester 6L6 El34 KT88 EL84 Probe Tool US $65.95
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 Quad Tube Audio Amp Bias Probe Tester 6L6 EL34 KT88 6V6 US $44.95
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 20M Silver Plated Copper Wire 300B EL34 211 6DJ8 12ax7 US $45.00
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 Mapleshade SilClear for Audio Interconnects Speaker Cables Tubes FREE SHIP US $39.50
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 New MK3 Indeed Class A Valve Buffer Amp Amplifier 6922EH Tube OFC Audio Cable US $97.99
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 Waterproof Digital Thermal Probe or Sensor DS18B20 Length 1 m Free shipping US $2.99
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 2pcs 8Pin Bakelite Octal Pin Plug Base For Tube Test Power Supply Cable US $7.58
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 INFINITY BLACK WIDOW Carbon Fiber Graphite Tonearm with Documents SUPERB US $61.00
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 8 Pin Octal QQQ Pin Plug With Hood For Power Supplies US $9.99
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Qpl Approval for Mil-spec Wire: the Quality Products Listing and Military Cable
The wire, cable, tubing, and accessories that the military uses in their equipment will need to withstand some very harsh environments - high temperatures, surface abrasion, foreign chemicals, tensile load, continuous flex, and more. Due to the severity and unpredictability of these conditions, all military cables need to be of the highest quality and must have passed the most stringent product testing.
To ensure these standards, the US government has issued a list of strict specifications that wire and cable are required to meet in order to be acceptable for various military uses. These specs are written as a letter/number series, such as MIL-DTL-17. In order to easily identify manufacturers who have been government-approved based on their compliance with these specifications, they have a created a federally-mandated list called the QPL, or Quality Products Listing. All manufacturers and products on this list will always meet government compliance for the specification they match.
In order to determine compliance, cables are subjected to strict testing. One common product test is the Military-Standard 810 Series (MIL-STD-810), which tests a cable's endurance under extreme environmental factors such as high and low temperatures, rain, salt fog, acceleration, and gunfire vibration. Another example of a common test is the UL VW-1 Flame Test, which ensures that a vertically-held wire will not burn for more than one minute after several direct flame applications.
The benefit of QPL Approval is that the purchaser can be confident that the product is suitable for use in military or federal applications without needing further documentation or testing. This way, a buyer can make a purchase knowing upfront that it will be acceptable rather than having to order a cable and then have it tested. In the case of wire and cable suppliers, seeing the QPL Approval stamp is proof that the product is of premium quality and therefore marketable to the military and other federal agencies.
While it's rare, a dishonest distributor may try to pass off a non-certified product as QPL Approved. If a QPL Approval is critical and the distributor is not a known quantity, there are ways to check compliance that are well worth the time. A legitimate distributor should be able to supply a certificate of compliance when asked. The distributor should also provide the name of the company that manufactured the wire as a source for more information. When researching a product's compliance, be sure to know its reel and lot numbers as well as any information provided on the label.
While there are good-quality, cheaper, non-certified wire and cable options available for consumer use, when performance and quality are crucial, as in military applications, QPL Approval is needed. It is the only way to know that the product will do its job properly in even the toughest and most adverse of conditions.
About the Author
Tim Flynn is the President of Allied Wire and Cable, a leading value-added distributor of electrical wire, cable, tubing, connectors, and accessories, headquartered in Collegeville, PA. Tim, a graduate of Drexel University, has been President of AWC for its entire 20+ years in business, and he has guided the rapid growth of the customer-focused, relationship-based company. For more about AWC, please visit: Allied Wire and Cable, Inc.