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2. 833A - Wikipedia

   en.wikipedia.org/wiki/833A

   The 833A is a vacuum tube constructed for medium power oscillator or class B or C amplifier applications. It is a medium-mu power triode with 300 watts CCS or 350 watts ICAS anode dissipation. The long grid and anode leads, plus high internal capacitance, limits this tube to 15-30 MHz maximum frequency.

3. Western Electric (tube manufacturer) - Wikipedia

   en.wikipedia.org/wiki/Western_Electric_(tube...

   The amplifier is a high-end model designed for audiophiles, costing $15,000 or more. It can produce from 14 to 20 watts (at 8 ohms) per channel. This is considerably more than the standard 10w per channel from a typical 300B amplifier. Like all their products, the amplifier is built in America. [8]

4. 12AX7 - Wikipedia

   en.wikipedia.org/wiki/12AX7

   Developed around 1946 by RCA engineers [2] in Camden, New Jersey, under developmental number A-4522, it was released for public sale under the 12AX7 identifier on September 15, 1947. The 12AX7 was originally intended as replacement for the 6SL7 family of dual-triode amplifier tubes for audio applications. As a popular choice for guitar tube ...

5. JJ Electronic - Wikipedia

   en.wikipedia.org/wiki/JJ_Electronic

   Most of its products are audio receiving tubes, mainly used for guitar and hi-fi amplifiers. In technical terms, JJ produces triodes, beam tetrodes and power pentodes. Double diode vacuum tubes for full-wave AC-to-DC rectifiers are also produced. JJ also produces electrolytic capacitors for higher-voltage purposes, generally for use in audio ...

6. Dumble Amplifiers - Wikipedia

   en.wikipedia.org/wiki/Dumble_Amplifiers

   Dumble built two or three amplifiers per year, primarily for celebrity musicians and studios. He priced them similarly to the used market to dissuade resale. [6] Dumble serviced and refurbished his original amplifiers for a fee, and many players would buy used Dumble amplifiers and have Dumble refurbish them.

7. Fender Deluxe Reverb - Wikipedia

   en.wikipedia.org/wiki/Fender_Deluxe_Reverb

   The Deluxe Reverb is a 22-watt tube amplifier (at 8 ohms), powered by a pair ("duet") of 7408/6V6GT power tubes, one GZ34/5AR4 rectifier tube, four 7025/12AX7 tubes for preamplification and tremolo oscillation, and two 6201/12AT7 tubes driving the reverb and phase inverter circuits.