• Thumbnail for 12AT7
    12AT7 (also known in Europe by the Mullard–Philips tube designation of ECC81) is a miniature nine-pin medium-gain (60) dual-triode vacuum tube popular...
    2 KB (253 words) - 05:48, 6 February 2024
  • Thumbnail for 12AX7
    an emergency or for different performance characteristics, include the 12AT7, 12AU7, 12AV7, 12AY7, and the low-voltage 12U7, plus many four-digit EIA...
    11 KB (1,189 words) - 12:44, 10 July 2024
  • Thumbnail for 12AU7
    described as a "special quality" device. This contrasts with the 6AB4/EC92 and 12AT7/ECC81 which are both R.F. devices operating up to VHF. Double triodes of...
    4 KB (422 words) - 05:57, 21 December 2023
  • second 7025 being used for the reverb recovery and mixing stages. The single 12AT7 was used for the reverb driver while the 12AX7 was used for the vibrato...
    4 KB (481 words) - 07:18, 19 May 2024
  • Thumbnail for Roland Bolt amplifier
    clone of the Fender AB763 circuit, it uses two 6L6GC power tubes and one 12AT7 Phase Inverter. The amplifiers have two channels, clean and Overdrive, switchable...
    1 KB (146 words) - 00:33, 8 June 2024
  • Thumbnail for Fender Princeton Reverb
    the '68 Custom Princeton Reverb. Preamp tubes: one 7025, two 12AX7, one 12AT7 Output tubes: two 6V6GT, fixed-bias Rectifier: 5AR4 (blackface & reissue)...
    4 KB (497 words) - 06:55, 6 April 2024
  • Thumbnail for 6N3P
    pre-amps appear to be the product of a cottage hifi industry). 6N1P 6N2P 12AT7 6N3P tube datasheet 2C51 tube data (NJ7P Tube Database) DIY-Hybrid-Amplifier...
    2 KB (199 words) - 16:23, 18 November 2023
  • Slant 6V, which offers 6L6 or 6V6 power tube options also has 12AX7 and 12AT7 tubes, was praised as "an amazingly useful and versatile amp" and was a...
    7 KB (625 words) - 19:02, 18 January 2024
  • audiophile and guitar amplifier applications. Small signal vacuum tubes ECC81/12AT7, dual triode ECC82/12AU7, dual triode ECC83/12AX7, dual triode ECC88/6DJ8...
    4 KB (357 words) - 04:06, 26 March 2024
  • enlarged cabinet and single 15 inch speaker. Pre-amp tubes - 4 x 12AX7, 2 X 12AT7 Power tubes - 4 x 6L6 Wattage - 85 watts into 4 ohms Speaker - 15" with...
    1 KB (125 words) - 07:17, 19 May 2024
  • Thumbnail for Vacuum tube
    characteristics. Similar, but not identical, tubes are the 12AD7, 12AE7...12AT7, 12AU7, 12AV7, 12AW7 (rare), 12AY7, and the 12AZ7. A system widely used...
    120 KB (15,367 words) - 03:53, 22 September 2024
  • Thumbnail for Fender Champ
    Super Champ utilized 1× 12AX7 for the first and second stage preamp, a 1× 12AT7 for spring reverb driver tube, whilst the three sections of the triple-triode...
    16 KB (2,272 words) - 23:13, 21 July 2024
  • Thumbnail for Fender Super Reverb
    and full, round bass frequencies. Tube (valve) complement: 4 × 12AX7, 2 × 12AT7, 2 × 6L6, 1 × 5AR4/GZ34 RectifierTube for blackface amps and 5U4GB for silverface...
    7 KB (766 words) - 03:43, 1 November 2022
  • can be produced by this device. Some VST effects emulate this tube. The 12AT7 high-mu dual triode was designed primarily for RF mixing applications where...
    9 KB (1,241 words) - 14:45, 23 September 2024
  • Thumbnail for 6SN7
    Russia and by JJ Electronic, and are widely available. List of vacuum tubes 12AT7 12AU7 12AX7 "6SN7W at the National Valve Museum". "6F8G". Retrieved 10 June...
    7 KB (910 words) - 15:05, 10 December 2023
  • two identical sections in one envelope are used, usually the noval types 12AT7, 12AU7, or 12AX7 or equivalents, less usually the octal 6SN7. The earliest...
    15 KB (1,996 words) - 17:21, 27 July 2023
  • Thumbnail for Fender Deluxe Reverb
    7025/12AX7 tubes for preamplification and tremolo oscillation, and two 6201/12AT7 tubes driving the reverb and phase inverter circuits. Throughout its production...
    5 KB (589 words) - 03:50, 7 July 2024
  • Thumbnail for Fender Twin
    They use six preamp tubes, consisting of four 7025/12AX7 types and two 12AT7 types. All Twin Reverbs feature a solid-state rectifier. The Fender Twin...
    25 KB (3,449 words) - 19:36, 27 April 2024
  • Thumbnail for List of vacuum tubes
    6AS7G/ECC230 = CV2523 – Dual power triode (series regulator), octal base. B309 = 12AT7/ECC81 – High-mu dual triode. Commonly used as R.F. amplifier/mixer in VHF...
    329 KB (40,580 words) - 17:54, 4 August 2024
  • Thumbnail for Vox AC30
    channel and the tremolo/vibrato oscillator/modulator circuits, one ECC81 (12AT7) phase inverter, and EL84 tubes in the power amplifier circuit. This first...
    20 KB (2,907 words) - 12:42, 16 February 2023
  • "Vibrato" channels, as well as to the oscillator for the tremolo effect, a 12AT7 tube as a phase inverter, and individual Treble and Bass control knobs rather...
    13 KB (1,618 words) - 05:24, 19 November 2023
  • Thumbnail for Compactron
    include: 6AG11 double diode similar to 6AL5, double triode high-mu similar to 12AT7. Designed for FM stereo multiplex service. 6BK11 triple triode. Two of the...
    7 KB (804 words) - 12:31, 1 November 2023
  • distribute their new line of Dutch-made miniature tubes, (12AX7, 12AU7, 12AT7) to feed the booming U.S. hi-fi market. Classic hi-fi brands such as Marantz...
    9 KB (1,020 words) - 12:15, 8 March 2023
  • Thumbnail for History of the oscilloscope
    display amplitudes as low as 0.1 [inch] The KG-635 sync amplifier used a 12AT7 differential amplifier (V5). (id p. 15.) Sync level control would bias the...
    23 KB (3,080 words) - 01:31, 9 September 2024
  • Thumbnail for Valve RF amplifier
    EIMAC division of Varian. 1966-05-15 [1962]. Retrieved 2021-08-23. "12AT7* (label "12AT7" prefixes all tubes of this generic type)". The Datasheet Archive...
    30 KB (4,465 words) - 14:15, 19 May 2024
  • 250 MHz EC92/6AB4 – VHF triode for FM receiver frontends, single ECC81/12AT7 system, UC92/9AB4 with a different heater EC94/6AF4 – UHF mixer/oscillator...
    125 KB (15,290 words) - 15:00, 12 February 2024