The EF86 is a high transconductance sharp cutoff pentode vacuum tube with Noval (B9A) base for audio-frequency applications. It was introduced by the Mullard...
5 KB (469 words) - 23:59, 10 May 2024
Cliff Richard's concerts. The AC15 was powered by a pair of EL84 tubes, an EF86-driven "Normal" channel, an ECC83-driven "Vib-Trem" channel, and rectified...
20 KB (2,907 words) - 12:42, 16 February 2023
Stone Pony - 25 or 50 Watt (2x7591), tube rectified, EF86-12AX7 cathode follower. Employs an EF86 preamp tube feeding a 12AX7 phase inverter. Released...
5 KB (594 words) - 08:33, 19 July 2024
produced by the system. Valve preamplifiers use triodes or low-noise pentodes (EF86). Mains hum from the heater filaments is a potential problem in low-level...
15 KB (1,996 words) - 17:21, 27 July 2023
POWO: urn:lsid:ipni.org:names:30008700-2 Tropicos: 40004258 VASCAN: 972 VicFlora: 721ee2ba-ef86-4e03-93ef-1f1839d26095 WFO: wfo-4000007327 WoRMS: 426004...
14 KB (1,078 words) - 11:59, 25 February 2024
Marshall-type sound, and channel two an EF86 for a Vox-type sound. The amp is also available in a "lite" version, with only the EF86 channel. Voxer 33, a two-channel...
3 KB (288 words) - 06:22, 14 October 2023
2000 EE85 — March 8, 2000 Socorro LINEAR EUN 3.4 km MPC · JPL 60547 2000 EF86 — March 8, 2000 Socorro LINEAR · 2.9 km MPC · JPL 60548 2000 EH86 — March...
173 KB (301 words) - 17:33, 30 November 2023
2005 EN78 — March 3, 2005 Catalina CSS FLO 1.3 km MPC · JPL 117605 2005 EF86 — March 4, 2005 Socorro LINEAR FLO 1.5 km MPC · JPL 117606 2005 ES89 — March...
186 KB (301 words) - 17:25, 30 November 2023
Popular low power tubes were dual triodes (ECCnn, 12Ax7 series) plus the EF86 pentode, and power valves were mostly being beam tetrode and pentodes (EL84...
21 KB (2,895 words) - 08:56, 13 November 2024
Virtual Valve Amplifier (section Pentode 6267/EF86)
properly set. This device is the same as the European type EF184. The 6267 / EF86 pentode was a vacuum tube well suited for use in low-level pre-amplifiers...
9 KB (1,241 words) - 14:45, 23 September 2024
triode ECC88/6DJ8, dual triode 12BH7, dual triode 5751, low-noise dual triode EF86, sharp-cutoff pentode 6SN7, dual triode Power vacuum tubes 300B, directly...
4 KB (354 words) - 01:57, 31 October 2024
a full-wave rectifier (an EZ80 or EZ81), one was a pre-amplifier pentode EF86 and one a double-triode ECC83 as phase splitter. The power amplification...
2 KB (249 words) - 19:59, 7 January 2021
EG84 — March 15, 2004 Kitt Peak Spacewatch FLO 800 m MPC · JPL 271468 2004 EF86 — March 15, 2004 Socorro LINEAR · 1.7 km MPC · JPL 271469 2004 EZ86 — March...
182 KB (301 words) - 17:03, 30 November 2023
ranges of signal and bias on the control grid. Examples include: EF37A, EF86/6267, 1N5GT, 6AU6A, 6J7GT. Often, but not always, in the European valve naming...
14 KB (1,782 words) - 11:53, 20 July 2024
Tweed Bassman AC15 TB / AC15: Vox AC15 (1960s Top Boost)/VOX AC15 (1950s EF86) AC30HH / AC30TB: Vox AC30HH / VOX AC30 Top Boost Express Train / Boutique...
41 KB (5,220 words) - 15:53, 27 October 2024
construction. The dual channel amplifier uses pre-amp valves (most specifically the EF86 pentode) that are associated with smaller Vox amps. The range includes 15...
10 KB (984 words) - 15:39, 9 May 2024
EL84 — March 13, 2010 Kitt Peak Spacewatch · 2.2 km MPC · JPL 429322 2010 EF86 — January 14, 2010 WISE WISE · 3.3 km MPC · JPL 429323 2010 EA88 — January...
182 KB (301 words) - 16:42, 30 November 2023
pedals feature a unique EF86 driven tube design coupled with a variable Bias control to tailor the distortion behavior of the EF86. Power Station Introduced...
9 KB (1,185 words) - 13:04, 9 May 2023
2002 EY85 — March 9, 2002 Socorro LINEAR · 2.2 km MPC · JPL 166188 2002 EF86 — March 9, 2002 Socorro LINEAR · 1.7 km MPC · JPL 166189 2002 EX89 — March...
184 KB (301 words) - 17:18, 30 November 2023
of the United States and most of the European tubes, e.g., 12AX7-ECC83, EF86 and EL84, produced commercially towards the end of the era before transistors...
40 KB (4,234 words) - 21:14, 28 July 2024
made (with and without due credit). To promote their new 9-pin tubes EZ80, EF86 and EL84, the Anglo-Dutch Mullard Company developed, in 1954, a famous and...
3 KB (401 words) - 14:58, 8 March 2023
characteristic is normally required for linear RF and audio uses. Examples; EF86 and 6AK5. A semi-remote cutoff device has characteristics somewhere between...
4 KB (465 words) - 18:21, 8 August 2022
E80F is commonly sought after as a high quality replacement for the similar EF86 type in guitar amplifiers). The letters "CC" indicated the two triodes and...
329 KB (40,580 words) - 23:52, 20 October 2024
valve having a source of voltage noise in series with the grid. For the EF86 low-noise audio pentode valve, for example, this voltage noise is specified...
38 KB (5,587 words) - 12:07, 19 May 2023
noiseless tube having a source of voltage noise in series with the grid. For the EF86 tube, for example, this voltage noise is specified (see e.g., the Valvo,...
30 KB (4,465 words) - 14:15, 19 May 2024
February 2010 list (429316) 2010 EU70 13 January 2010 list (429322) 2010 EF86 14 January 2010 list (429354) 2010 GE28 31 January 2010 list (429358) 2010...
352 KB (82 words) - 13:52, 7 August 2024
pentode, noval base, identical to HF85 and XF85 except for heater ratings EF86/6BK8 (6267, Z729) – AF Pentode. Identical to PF86 and UF86 except for heater...
125 KB (15,290 words) - 21:03, 4 November 2024