The Answers: information about tubes in general, power tube matching and amplifier biasing, and the Perfect Pair numbering system. We also have information about: completing your online order, shipping options, our return policy, and our privacy policy. |
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| Tube Reviews 12AX7 Tube Type Review 6L6 / 5881 / KT66 Tube Type Reviews EL34 Tube Type Review EL84 Tube Type Review 6V6 Tube Type Review | |
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| Capacitor Reviews Guitar Tone Capacitor Reviews Ampohm Reviews and Comments for Audio | |
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| Guitar Amp Info Guitar amp tweak - change the gain factor of your pre-amp Early Fender Tweed Amps Fender later Blackface and Silverface Amps Marshall Amplifiers, Pre-1990 Guitar Amp Schematics | |
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| Tube Matching and Basic Tube Info Vacuum Tube Basics Questions about power tube matching? Do you need a matched quad? The Perfect Pair System Matched Sections Service Blue Glow in Tubes, Tube Getters, and other Tube Info | |
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| News Check out our new products and promotions | |
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| High-end audio Amp builders don't want you to know how well our tubes work in their products. It's no wonder when you compare our tube prices to theirs. | |
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| Tone, Tone, Tone An article on tubes written for Wired magazine but never published. |
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