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1. 813 SE Single Tube [email protected]

813 SE Single Tube Testing@425V

Testing 813SE with VCC=425V Ik=62ma Self Bias. Input from CD player through UTC CG51AX interstage. There is no sound on this clip due to low input level ...


2. 813 se amplifier finish


3. 813 diy tube amplifier drive with el84+ecc83


4. 813 se audio amplifier


5. 813 linear amplifier

  • Published: Jun 06, 2015
  • Duration: Unknown
  • By CoatedSofty
813 linear amplifier

Video of my latest project. 2 grounded grid 813´s for the low bands, 80,40 and 20m. Output power 900-950w.


6. TUBES 813 PART2.WMV

TUBES 813   PART2.WMV

TRANSMITTER ΡΑΔΙΟ ΠΤΟΛΕΜΑΪΔΑ RS 1690 KHz AM.


7. TUBES-813 003.AVI

TUBES-813 003.AVI

EL 84 , 807 , EL519 (PL 519)


8. TUBES 811A.mpg

TUBES 811A.mpg

Teansmitter el34-807-811A 100 watt 1150 volt dc 100ma (RS)


9. 813, GM70, GK71, GY13 ....

813, GM70, GK71, GY13 ....

Sorry for the bad recording! :) It is only the left amplifier. For more information: http://momchil.wordpress.com/


10. GM70 SE Amp design

GM70 SE Amp design

Development of GM70 . 825V at Anode 110mA anode current . It is not easy to get right sound out of this tube due ti it's lienarity! What ever one do with input tube ...


11. 813 tube amplifier construct


12. 811A valve

811A valve

Iv got this valve today from work. And it cost me £19 UK pounds! Id like to use it for a tesla coil. But I'm trying to find a wiring diagram for the valve. Anyone know ...


13. GM70 SE valve amp hand built by Rod Harris

GM70 SE valve amp hand built by Rod Harris

via YouTube Capture.


14. 813 20 inch sparks feb13

  • Published: Jun 27, 2009
  • Duration: Unknown
  • By KrionyX
813 20 inch sparks feb13

Here is my single 813 Vacuum Tube Tesla Coil running with 20" plus plasma arcs. In the coiling community the previous record was 16", so I'm pretty sure this ...


15. 813

813

813 se tube amplifier.


16. Ampli 813 Single end

Ampli 813 Single end

www.vnavshop.net - www.Breakout.com.vn Made by Mr. Nam Tel:0934610212 Add:7/67/75 Trần Thái Tông, TP.Nam Định.


17. Unboxing 811a vacuum tube

  • Published: May 04, 2012
  • Duration: Unknown
  • By jake3085
Unboxing 811a vacuum tube

Yay it finally came.


18. 813 One killowatt amp plus a little

  • Published: Jun 28, 2011
  • Duration: Unknown
  • By howard jude
813 One killowatt amp plus a little

My homebrew 813 2 hole amp with 3750 volt's on the plate with plexiglass case 1/4 inch thick,Will max out at 1.5kw with 100w of drive.In this video i was driving ...


19. Vacumn Tube Testing And Tube Destruction

  • Published: Sep 06, 2010
  • Duration: Unknown
  • By Radio wild

20. TRANSMITTER 1700 KHz.....

TRANSMITTER 1700 KHz.....

TRANSMITTER AM 1700 KHz ΣΩΛΗΝΕΣ ΕΛ. 81 με 807 - EL 519 - 813 με 4900 DC VOLT 700 MA ΠΤΟΛΕΜΑΪΔΑ GR - ΠΑΥΛΟΣ- RS.