Vacuum Tube
Vacuum tube amplifier for computer speakers will it sound like tubes?
So, the obvious answer initially would be yes, of course it will sound like tubes because it is using tubes as a pre-amp and amplifier. My question however is, will it actually have that ‘fat’ tube quality to it if its source is something digital. The computer does not work in analog nor do the JFET’s in the audio card have the same tonal response as valves. So would a digital source being amplified by tubes be worth the effort?
In an amp chain the distortions(or lets say 90%) are in the final stage of the amp and since the valves have a much linear characteristic then the semiconductors the answer is yes,a tube amp will sound better then a solid state one even if the source signal is a PC!!!!
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EIMAC 3C24 VACUUM TUBES $30.00 |
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4-1000A 4Transmiting vacuum tubes with 2 chimneys 2plate caps one socket $202.50 |
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Used Heathkit Manual for a Vacuum Tube Voltmeter V-7A, Very Good Condition 1955 $4.99 |
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EI Yugo 12AX7/ECC83 vacuum tubes NOS new unused in boxes (8) pc. lot tested $319.90 |
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Two RCA Type 6159 Vacuum Tubes w/Boxes – Tested – Free Shipping $19.00 |
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12AX7/ECC83 vacuum tube NOS Amperex BB tested strong. $89.90 |
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Sleeve/Five NOS JAN/Sylvania Type 6X4WA Vacuum Tubes w/Boxes – Free Shipping $39.00 |
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Four Siemens Type ECC83/12AX7 Vacuum Tubes – Tested – Free Shipping $199.00 |
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36KD6 Vacuum Tube used $7.99 |
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HP 400D/H Vacuum Tube Voltmeter Operating and service manual $6.99 |
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VINTAGE HALLICRAFTERS MODEL SX-105 9 VACUUM TUBE RADIO VHF S/W TYPE [ 1950s $99.00 |
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Sylvania JAN-CHS-6L6GA Audio Radio Electron Vacuum Tube $18.99 |
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2 NOS JAN/GE Type 6SJ7 Vacuum Tubes w/Boxes – Free Shipping $29.00 |
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Sleeve/5 NOS GE Type 6AK5 Vacuum Tubes w/Boxes – Free Shipping $39.00 |
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7 NOS National Type 6U8A Vacuum Tubes w/Boxes – Free Shipping $99.00 |
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4 NOS Tung-Sol Type 8445 Vacuum Tubes w/Boxes – Free Shipping $19.00 |
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1920 HAM Radio transmitter vacuum tube amp designs $9.99 |
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Vacuum Tube Holders for Experimenting with either a 5Y3GT or a 12AU7 Tube. $19.99 |
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GE PAIR VACUUM TUBES TYPE 6146B NOS $9.99 |
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8122 vacuum tubes for HF linear amplifier NCL-2000 or others e.t.c. $350.00 |
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A PAIR OF 5U4G RECTIFIER VACUUM TUBES, VERY RARE STEWART WARNER & KEN-RAD TESTED $8.99 |
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A MATCHING PAIR (2) # 6A7 VACUUM TUBES TESTED GOOD $8.99 |
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JJ GOLD PIN E88CC 6922 VACUUM TUBE PAIR MATCHED TESTED UNUSED $32.00 |
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NEW JAN RAYTHEON 1AE4 BATTERY RADIO RF / IF AMP TUBES $5.00 |
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VINTAGE VACUUM TUBE CHATHAM ELECTRONICS JAN CAHG 4B32 HAM RADIO APPEARS UNUSED $29.00 |
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2 VINTAGE VACUUM TUBES RCA 8008 HAM RADIO 147 8211 CONT. PINS 1&4 -APPEAR USED $60.00 |
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VINTAGE VACUUM TUBE RCA RADIOTRON 1942 USN CRC-803 5 PIN HAM RADIO CERAMIC BASE $59.00 |
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LOT/5 VACUUM TUBES 872A USED 4 PIN HAM RADIO 4 RCA 1 WESTINGHOUSE CONT. 1&3 $75.00 |
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EIGHT 8950 VACUUM AMPLIFIER TUBES $69.99 |
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Eimac 4CX250B Power Vacuum Tubes $79.00 |
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4 NOS Zenith 6GH8A Vacuum Tubes NIB $16.00 |
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4 NOS GE 6HA5 / 6HM5 Vacuum Tubes NIB $18.00 |
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4 NOS GE 6CL6 Vacuum Tubes NIB $18.00 |
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5 NOS Toshiba / HP M3104 / 6AH6 Vacuum Tubes NIB $18.00 |
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4 NEW JAN SYLVANIA 7A8 RADIO TUBES – 7B8 – 7J7 – 7S7 $8.95 |
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2pc) 6JS6C NEC Japan Vacuum Tubes,YAESU FT 101 HAM RADIO AMPLIFIER $140.00 |
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20LF6 Vacuum Tube never used NIB $39.99 |
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2pc) 6JS6C Toshiba Japan Shibaura Vacuum Tubes,YAESU FT 101 HAM RADIO AMPLIFIER $140.00 |
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54 NOS Vacuum Tubes, 12SY7 12JN6 12SH7 14F7 12W6 14R7 12JT6 13V10 13Z10 13FD7 13 $15.00 |
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Heathkit V-7A VTVM Original MANUAL – Vacuum Tube Voltmeter! $4.99 |
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Lot of vacuum Tubes 8 each 6BQ5 EL84 RCA Sylvania $49.99 |
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A PAIR (2) # VT-137 BROWN BASED VACUUM TUBES TESTED GOOD $6.99 |
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1974 Original Vacuum Tube Price List Catalog 6L6 2A3 12AX7 EL34 $7.99 |
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Vintage Radio Vacuum Tube EIMAC 3047 Transmitting Tube $19.99 |
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NEW MATCHED PAIR 811A VACUUM TUBES $33.75 |
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NEW MATCHED QUAD 811A VACUUM TUBES $68.75 |
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NEW MATCHED TRIO 811A VACUUM TUBES $49.99 |
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New 811A Vacuum Tube $16.75 |
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NOS 12AU7 Vacuum Tube Tested Various Brands $15.00 |
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NOS 12AV7 Vacuum Tube Tested Various Brands $12.00 |
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Lot of 50 Assorted Vacuum Tubes Not Tested $19.95 |
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EICO MODEL 667 VACUUM TUBE TESTER WITH FULL CHARTS $26.00 |
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Lot of IEC vacuum glass tubes in original boxes. #6BA6 Mullard untested!!!!!!! $6.99 |
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Lot of (16) vintage glass electron/ vacuum/radio tubes, #6AV6 untested!!!!! $12.99 |
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Lot of (3) vintage glass electron/ vacuum/radio tubes, #6AU8A untested!!!!! $2.99 |
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Lot of (5) vintage glass electron/ vacuum/radio tubes,#6AU6A untested!!!!! $9.99 |
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Lot of (9) vintage glass electron/ vacuum/radio tubes,#6AQ5A/6HG5 untested!!!!! $12.99 |
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Lot of (8) vintage glass electron/ vacuum/radio tubes #6BE6/EK90 untested!!!!! $10.99 |
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2 CEC Type 872-A Vacuum Tubes – Filament OK $19.00 |
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Lot of (3) vintage glass electron/ vacuum/radio tubes #6BH6 untested!!!!! $6.99 |
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Lot of (4) vintage glass electron/ vacuum/radio tubes #6BH8 untested!!!!! $4.99 |
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Lot of (6) vintage glass electron/ vacuum/radio tubes #6BN8 untested!!!!! $7.99 |
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Lot of (7) vintage glass electron/ vacuum/radio tubes #6BR8A untested!!!!! $4.99 |
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Lot of (4) vintage glass electron/ vacuum/radio tubes #6BS8 untested!!!!! $4.99 |
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Lot of (3) vintage glass electron/ vacuum/radio tubes #6BU8 untested!!!!! $3.99 |
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Lot of (3) vintage glass electron/ vacuum/radio tubes #6BD6 untested!!!!! $3.99 |
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Lot of (3) vintage glass electron/ vacuum/radio tubes #6BC5/6CE5 untested!!!!! $3.99 |
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Lot of (9) vintage glass electron/ vacuum/radio tubes #6AB4 untested!!!!! $5.99 |
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SOLID STATE RECTIFIER REPLACEMENT FOR 5AR4 5U4 5Y3 VACUUM TUBE $18.95 |
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VACUUM TUBE 8 PIN OCTAL SOCKET SAVER for 6L6 6V6 6SN7 EL34 ST8-1000 $13.95 |
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VACUUM TUBE 9 PIN MINIATURE SOCKET SAVER for 12AX7 12AU7 12BY7 ST9-900 $9.95 |
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VACUUM TUBE HEAT SHIELD COVER 9 PIN 1.5″ in TALL WITH BAYONET BASE SS9-162 $5.95 |
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VACUUM TUBE HEAT SHIELD COVER 9 PIN 2″ in TALL WITH BAYONET BASE SS9-325 $5.95 |
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4 NOS 6GH8A Vacuum Tubes $16.00 |
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2 NOS International 6A8 MG Vacuum Tubes NIB $16.00 |
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TAYLOR 866A RECTIFIRE VACUUM TUBE $10.00 |
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Radio Communication 1918 book wireless telegraphy vacuum tubes spark gap good $14.99 |
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833C vacuum tubes 2 warranty best quality available $219.90 |
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OLD VINTAGE ELECTRIC VACUUM TUBE WESTINGHOUSE WL-872A 872A HAM RADIO CLEAN $42.50 |
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NEW OLD STOCK VINTAGE VACUUM TUBE PENTA LAB 4D21 PL-4D21 JAN-CBC2 UNTESTED NOS $45.00 |
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Vintage Vacuum Tube Voltmeter $10.00 |
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HEATHKIT MODEL TC-2 VACUUM TUBE TESTER WITH EXTRA CHARTS $0.99 |
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SONAR VACUUM TUBE FS-23 23 Channel Citizens Band Transceiver BASE UNIT $13.49 |
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5 NEW IN BOX 6AG5 / EF96 RF PENTODE VALVES / TUBES $8.95 |
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5 JAN RAYTHEON 5829WA SUB MINIATURE VALVES / TUBES – 5829 $8.95 |
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5x RCA Electron vacuum Tube 6AHWA $25.00 |
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NOS Stancor RT-204 Vacuum Tube Power Supply 6.3V++ $29.00 |
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OLD STOCK RFT DY87 DY 87 VACUUM TUBE BOX $30.00 |
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RCA 811 VACUUM TUBE $40.00 |
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NEW JAN RAYTHEON 5702WB SUBMINIATURE PENTODE TUBE 5702 $6.50 |
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OLD VINTAGE RAYTHEON JAN-715B VACUUM TUBE HAM SC795A SPECIAL C TEST UNTESTED $35.00 |
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Three General Electric 5814 Vacuum Tubes, Used, Tested $5.00 |
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NOS Amperex Type 8560A Vacuum Tube $99.00 |
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Two NOS Eimac Type 4X150A Vacuum Tubes $99.00 |
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12K5 12 Volt Vacuum Tube QRP 40 Meter Oscillator Kit is Back! $39.00 |
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OLD PHILIPS MINIWATT KBC1 VACUUM TUBE $30.00 |
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EIMAC 4-1000A 8166 TRANSMITTING VACUUM TUBE GOOD! $149.99 |
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4 NOS International 12SG7 Metal Vacuum Tubes NIB $18.00 |
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4 NOS International 12SK7 GT Vacuum Tubes NIB $18.00 |
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4 NOS International 12SA7 Vacuum Tubes NIB $18.00 |
Vacuum Configurations
Vacuum cleaners are devices that use an air pump to create a partial vacuum to suck dust and dirt, usually from carpeted loor. Most homes that have a vacuum for cleaning carpets. The dirt that is pulled from the carpet is collected by a filtering system or a cyclone for later disposal.
There are different types of possible configurations for vacuum cleaners.
Vacuums vertical mounted directly to the pump suction over the dose, with the bag mounted on the handle, which will be brought to life height or so. The type models usually employ mechanical beaters running often brushes, to help disturb dust to be vacuumed up. These sores are usually by a belt that is connected to the engine vacuum.
Also known as the empty bottle, case-type designs have the engine and the bag in a box that connects the unit to the head by a vacuum tube. Although the vertical were tested as more effective, lighter and more maneuverable heads of the box are very popular. Some models have the power of chiefs, which contain the same sort of mechanical beaters found units in place, even if they are driven by an electric motor.
VOC Wet / Dry VOCs, such as a particular form of the empty cartridge and can be used for cleaning or spills of liquid and wet. Usually it should be dry and wet soilage, some have a switch or exhaust that reverses the flow of air. This is a very useful feature for any center of pipe clogging dust in the corner for easy collection.
Backpack vacuum are commonly used for cleaning, allow it to move quickly and effectively in a wide area. They are essentially filter vacuum cleaner, except that the straps are used to transport the box on the back.
Built in central vacuum cleaner or by moving the engine intake air bag and a central location in the building and empty bays in strategic locations throughout the building. You only need to wear socks and pick-up head from one room to another, while the pipe is typically 25 feet in length and allows a wide range of motion without changing the air intake manifold vacuum.
The empty plastic tube connected to the central bays. The vacuum may be unpowered or drummers that have propelled by an electric motor or an engine air duct. The bag in the central vacuum system is usually so great void that needs to change, or less frequently, sometimes only once a year.
About the Author
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