Vacuum Tube Amplifier
Vacuum Tube Amplifier
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 Harmon Kardon Vacuum Tube Integrated Amplifier Receiver for rebuild or parts  US $99.00
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 Bogen M330A Vacuum Tube Public Address PA amplifier excellent guitar amp US $99.00
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 E90CC AUDIO AMPLIFIER HAM RADIO TUBE Valvo brand pair US $5.95
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 6H6 6H6G AUDIO AMPLIFIER HAM RADIO TV TUBE Zenith brand US $3.95
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 12AT7 ECC81 audio amplifier HAM radio TV tube GE brand US $5.95
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 12BH7A 12BH7 audio amplifier radio TV tube GE brand US $5.95
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 7199 audio amplifier radio tube GE brand US $17.51
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 12AY7 audio amplifier radio tube RCA brand US $5.95
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 12AV6 AUDIO AMPLIFIER RADIO TUBE GE brand pair US $4.95
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 6CG7 6FQ7 AUDIO AMPLIFIER HAM RADIO TV TUBE RCA brand pair US $3.95
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 6AK5 5654 6096 AUDIO AMPLIFIER HAM RADIO TV TUBE Sylvania brand pair US $3.95
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 6AU6 6AU6A AUDIO AMPLIFIER HAM RADIO TV TUBE RCA brand pair US $8.51
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 6LF6 VACUUM TUBE TEST STRONG GREY PLATE O GETTER US $8.50
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 PAIR of NOS NIB GE 12B4A Audio Amplifier HiFi Stereo Vacuum tubes US $10.99
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 USED TESTED TAYLOR TUBE 805 VT 143 HIGH POWER AUDIO TRIODE US $9.99
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 TESTED RCA 845 VT 43 HIGH POWER AUDIO AMPLIFIER TRIODE US $63.60
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 1 Pair Tung Sol JTL 5687 Black Plate Horseshoe Amplifier Vacuum Tubes Tested US $24.99
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 4 Tung Sol JAN 12AU7 ECC82 Black Glass D Getter Amplifier Vacuum Tubes Tested US $99.99
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 4 GE 5751 12AX7 ECC83 Black Plate 3 Mica D Getter Amplifier Vacuum Tubes Tested US $72.00
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 1 Pair Tung Sol 2C51 396A Black Plate D Getter Amplifier Vacuum Tubes Tested NOS US $19.99
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 MULLARD 12AX7 ECC83 GRAY PLATES O GETTER I65 ELECTROHOME made in Canada US $13.00
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 2 NOS General Electric 6JE6C 6LQ6 Vacuum Tubes for Kenwood National Swan Radios US $41.00
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 vintage NU beam power amplifier vacuum tube type 1625 brown base used tested US $.49
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 vintage detector amplifier vacuum tube type 3B24W used tested US $.49
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 vintage Sylvania power amplifier vacuum tube type 71A used tested US $1.25
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 2 NOS Delco 6JG6A Vacuum Tubes 17 Watts for Audio Transmitters Made by RCA US $10.50
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 pair of vintage type 7V7 amplifier vacuum tube used tested US $.49
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 2 vintage detector oscillator amplifier vacuum tube type 6C6 used tested US $.49
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 pair of vintage amplifier vacuum tube type 12SN7GT GTA used and tested US $.49
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 set of 7 vintage amplifier vacuum tube type 6BH6 used tested US $.49
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 set of 7 vintage type 6BJ6 voltage amplifier vacuum tube used tested US $.49
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 2 NOS Delco 6GJ5A Vacuum Tubes for National NCX 3 Amateur Radio Made by RCA US $12.49
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 set of 7 vintage type 6AU6 pentode amplifier vacuum tube used tested US $.49
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 set of 8 vintage radio frequency amplifier vacuum tube type 6J6 used tested US $.49
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 Two Electro Harmonix 12AT7 EH Vacuum Tubes NEW US $12.50
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 Vintage GENERAL ELECTRIC GL 4 125A 4D21 Electron Amplifier Vacuum Tube US $5.50
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 ONE General Electric 8068 VACUUM TUBE RARE TUBE US $7.99
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 1 Raytheon 6V6GT Smoked Glass Amplifier Vacuum Tube Tests Good US $7.99
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 1 General Electric 6360 Amplifier Vacuum Tube NOS US $6.99
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 1 Emerson 5U4G Black Plate Rectifier Amplifier Vacuum Tube Tested Strong US $14.99
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 1 RCA CRC 1629 EYE TUBE Amplifier Vacuum Tube Tested Good US $4.99
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 1 RCA 5687 Black Plate Horseshoe Amplifier Vacuum Tube Tested Strong US $.99
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 1 Mullard 6AQ5 Amplifier Vacuum Tube Tested Strong US $6.99
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 13 X 12AT7 RCA Sylvania Westinghouse US $9.99
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 RCA 6L6GC AUDIO AMPLIFIER POWER TUBE PAIR BLACK PLATE 6L6 GC US $31.00
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 RADIO VACUUM TUBES 6JW8 ECF802 PHILIPS PR pentode triode preamp audio stereo US $11.99
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 One Valvo Electron 58CG Vacuum Tube NIB US $4.95
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 RADIO VACUUM TUBES 6N8 EBF80 PHILIPS PR pentode preamp audio stereo amp ham US $27.99
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 NOS Copper Posts Matched Pair Sylvaina 12AU7A Both TEST STRONG US $9.99
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 RADIO VACUUM TUBES 35Z3 SYLVANIA LOKTAL rectifier preamp audio stereo ham swl US $9.99
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 RADIO VACUUM TUBES 7C7 HYTRON LOKTAL pentode vintage wood radios phonograph US $8.99
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 RADIO VACUUM TUBES 14N7 TUNG SOL LOKTAL dual triode vintage radio phonograph US $11.99
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 RADIO VACUUM TUBES 7A8 GE LOKTAL octode audio preamp vintage wood radios ham swl US $8.99
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 RADIO VACUUM TUBES 7Z4 HYTRON LOKTAL rectifier vintage wood radio phonograph US $8.99
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 RADIO VACUUM TUBES 7C6 PHILCO LOKTAL triode diodes audio stereo ham swl receiver US $20.99
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 RADIO VACUUM TUBES 5Y3WGTA 6106 CBS rectifier preamp audio stereo ham sx110 US $21.99
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 RADIO VACUUM TUBES 14A4 SYLVANIA LOKTAL triode vintage wood radio phonograph ham US $9.99
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 4 NOS Sylvania 50C6G 50C6 Black Plate Beam Power Amplifier Vacuum Tubes Tested US $30.00
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 One 1 NEW JJ Tesla 12AX7 ECC83 S BALANCED 104 109 Pre Amp Tube US $7.99
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 One 1 NEW JJ Tesla 12AU7 ECC82 Pre Amp Tube 55 55 Balanced PI Use US $5.99
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 One 1 NEW JJ Tesla 12AT7 ECC81 Pre Amp Tube US $5.99
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 2 NOS Westinghouse 6AV5GA Vacuum Tubes for Bogen DB 130 Audio Amplifier US $9.99
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 2 x EL34 6CA7 Telefunken RFT Germany SEALED US $51.00
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 2 x EL34 6CA7 Telefunken RFT Germany SEALED rare Tubes US $69.69
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 2 x EL34 6CA7 Telefunken RFT Germany SEALED Tubes US $59.59
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 Two 2 NEW JJ Tesla 12AU7 ECC82 Pre Amp Tubes US $9.99
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 Telephunken ECC 802S Matched pair Light usedRare US $480.00
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 4 NOS Sylvania 6JN6 Vacuum Tubes for Berning Milbert Audio Amplifiers US $40.99
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 4 RCA 6L6GB Radio Vacuum Tubes Vintage 1958 Audio Quad US $30.15
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 EX Sylvania 6F6 6F6G Power Pentode Audio Amplifier Hifi Stereo Vacuum tube US $14.99
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Guitar Amps Are an Excellent Value Due to Increasing Technology
In my opinion guitar amps, bass guitar amps and amplifiers for musical purposes have evolved at such a rapid rate in the last couple of years that GPC considers a guitar amplifier one of the few guitar related items that is a better value than ever.
The constant breakthroughs in terms of technology and built in features now incorporated into many amps are great for the consumer in terms of cost. It also makes it easier to decide the whole vibe of what amp, effects gear or modeling equipment to haul around with you to a jam session or a gig a lot easier decision to make in most cases.
Except for the diehard guitarist. And there is lots of excellent competition in the field of amps nowadays.
In the beginning all amplifiers were powered by Vacuum Tubes the same technology was used in most home stereos, radios and televisions until the mid-1960s. Tubes created all the great sounds that we learned to associate with electric guitar music. But by the mid seventies Solid State technology was starting to sway much of the market with new amps that could produce great volume with little or no distortion and required no maintenance with more durability.
Note: The term valve is the same thing as a vacuum tube in amplifier speak.
Most of the modern designs are called hybrid, which means there is a tube/s in the preamplifier section, and the power amplifier section uses solid state circuitry for its power supply. In my opinion an overdriven preamplifier tube definitely sounds better than the popular pure solid state overdrive circuits, however, it does not sound as deep and warm as a full tube powered amplifier to me. The opinion at GPC is that the hybrids are a real breakthrough in terms of getting quality sound using tubes and solid state circuitry in harmony to get the great tube sound and solid state reliability every body wants in one cabinet.
Take it a step further to built in Digital Modeling. Another field gaining steam fast is digital modeling amps. Great for the home player or fantastic for the studio artist. The Fender Super Champ XD Guitar Combo is a super deal for the money with a power output of 15W RMS into 8 ohms, one 12AX7 and two 6V6 tubes, one 1 8 ohm Fender Special Design speaker and a voicing knob with 16 different preamp voices emulates perfectly any style of music and it has 16 different effects built in to it with an effects level control knob. The convenience of changing your sound on the fly keeps your focus on playing the guitar.
Other amplifiers such as the Fender Cyber Twin SE Amp and the Vox Valvetronix AD50VT 50w 12 Guitar Combo cost more but are similar or better in most cases due to cost and intended usage. I would recommend the more expensive models for professionals or hi end players. They provide the same amazing versatility at a higher price. The main reason for a bigger amp would be a larger venue, not necessarily sound quality.
Some of the modern features include, in addition to simulating many popular amplifier sounds, entirely new ones can be created and saved and can be looped to play over and over. It is important to mention that you can still buy an amplifier without all of the high tech built in features and add the equipment you prefer.
Not mentioning the new line of practice amps would be a disservice. The Fender G-Dec is so popular now that it comes in several models and It packs amp modeling, guitar effects, a drum machine, MIDI synth, and phrase sampler into one combo amp. It is set up to be your own personal backing band, ready and waiting for you to step up and play.
You can actually hear sound bites from different amp settings here under sound clips. Another example of using the internet to choose and purchase your guitar equipment. GPC highly recommends the G-Dec for beginners especially. I am not a beginner but I have an original G-DEC and use it to practice with very often due to it's small size, versatility and simplicity of use.
The newer amplifier combos are very encouraging and very usable in live or recording studio situations. The versatility alone makes these systems almost a natural choice for musicians who need to cover a wide range of amplifier sounds and digital effects with a single setup, for example if you play covers, or need to record quickly and can not afford to waste studio dollars connecting different amps and cabinets.
Realistically speaking, lots of people can't hear the difference between hybrid amps or full tube amps. Personally, the hybrid amps sound so good that unless one is a professional guitar player with unusual demands or you like to use the extra gear as many guitarists still prefer, the future of hybrid amps and amps with built in processing equipment looks bright and encouraging. GPC always recommends getting the best amp you can afford. Don't buy the cheapest one if you can avoid it. Take advantage of free shipping, the lowest possible legal prices and a 45 day return policy. You may even qualify for an no interest for one year credit card. Why not shop at home and save your time and gas from now on? Of course if your giving a gift and not sure what to get, buy a gift certificate. Every guitar player loves a gift certificate.
A question worth pondering. How does a self tuning guitar react when you bend a note? Let me know if you have an answer, or I'll have to find out myself.
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