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There is a page named "File:12AT7.JPG" on Wikipedia
Transwiki approved by: w:en:User:Krimpet en:12AT7 English determination method: SHA-1...(467 × 485 (76 KB)) - 00:04, 24 March 2023
Radio (inside) (3756365852).jpg I built this radio from this schematic: <a href="http://www.mines.uidaho.edu/~glowbugs/12at7_regen.html" rel="noreferrer...(1,600 × 1,200 (346 KB)) - 00:04, 24 March 2023
DescriptionEC081.JPG EC081. Date 24 December 2017, 17:25:48 Source Own work Author Alf van Beem...(1,747 × 3,517 (1.89 MB)) - 06:16, 23 December 2022
DescriptionTungsgram ECC81.JPG English: Tungsgram ECC81 vacuum tube Date 14 November 2012, 23:52:37 Source Own work Author Olli Niemitalo...(1,536 × 2,017 (790 KB)) - 11:32, 29 September 2020
DescriptionTelefunken ECC81.JPG English: Telefunken ECC81 vacuum tube Date 14 November 2012, 23:53:07 Source Own work Author Olli Niemitalo...(1,433 × 2,026 (752 KB)) - 09:17, 27 September 2020
rectifier tube at far right. The smaller tubes on the left are 12AX7 and 12AT7 preamp tubes. Date 25 April 2017, 19:18:22 Source Own work Author Rob Robinette...(4,161 × 2,392 (952 KB)) - 05:35, 29 October 2023
DescriptionECC81.JPG Vacuum tube. Date 24 December 2017, 16:25:47 Source Own work Author Alf van Beem...(1,130 × 1,915 (796 KB)) - 18:30, 27 July 2024
right are 6N3C power tubes. The smaller tubes on the left are 12AX7 and 12AT7 preamp tubes. The blue glow in the power tubes is caused by electrons colliding...(4,610 × 3,133 (1.46 MB)) - 00:02, 31 July 2021
right are 6N3C power tubes. The smaller tubes on the left are 12AX7 and 12AT7 preamp tubes. The blue glow in the power tubes is caused by electrons colliding...(4,295 × 2,803 (1.5 MB)) - 15:21, 3 February 2023
rectifier tube at far right. The smaller tubes on the left are 12AX7 and 12AT7 preamp tubes. The blue glow in the power tubes is caused by electrons colliding...(4,627 × 3,160 (1.83 MB)) - 05:35, 29 October 2023
rectifier tube at far right. The smaller tubes on the left are 12AX7 and 12AT7 preamp tubes. The blue glow in the power tubes is caused by electrons colliding...(900 × 523 (47 KB)) - 14:40, 3 February 2023
rectifier tube at far right. The smaller tubes on the left are 12AX7 and 12AT7 preamp tubes. The blue glow in the power tubes is caused by electrons colliding...(3,924 × 2,193 (735 KB)) - 07:54, 11 July 2021
right are 6N3C power tubes. The smaller tubes on the left are 12AX7 and 12AT7 preamp tubes. The blue glow in the power tubes is caused by electrons colliding...(974 × 1,445 (289 KB)) - 12:49, 1 December 2023
rectifier tube at far left. The smaller tubes on the right are 12AX7 and 12AT7 preamp tubes. The blue glow in the power tubes is caused by electrons colliding...(3,661 × 1,099 (807 KB)) - 05:35, 29 October 2023
rectifier tube at far right. The smaller tubes on the left are 12AX7 and 12AT7 preamp tubes. The blue glow in the power tubes is caused by electrons colliding...(4,108 × 1,669 (833 KB)) - 05:35, 29 October 2023
200-400 Watt, 438x203x311 mm, 34 kg Tubes: 1x 12AX7, 2x 12AU7, 2x 12BH7, 2x 12AT7, 4x KT88 (6550) Date 19 August 2015, 18:36:05 Source Own work - please cite...(7,764 × 6,200 (13.8 MB)) - 20:12, 18 December 2023
rectifier tube at far left. The smaller tubes on the right are 12AX7 and 12AT7 preamp tubes. The blue glow in the power tubes is caused by electrons colliding...(3,727 × 1,056 (673 KB)) - 05:35, 29 October 2023
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