Technical Information

Last Update:

The LAB Report

  
Some internal Information about what we are doing Update

Application Notes

  
High Voltage Power Supply Design (1) Application Note 1
High Voltage Power Supply Design (2) Application Note 2
Cathode Tapped heaters (V4 tubes) Application Note 6
(In preparation) Designing with the 12B, 20A/B, 30A tube Application Note 7
Control Grid Voltage Measurement Methods Application Note 8
Power Supply Design Application Note 9
Recommendations for output transformers Application Note 10
Upgrade a 300B tube Application Note 11
How to bias the 45B tube Application Note 14
   

Technical Bulletins

  
About Resources Technical Bulletin 00
Filament Quality Technical Bulletin 02
Current Source Supply for the Filament Technical Bulletin 03
Mains Voltage problems and solutions Technical Bulletin 04
Heater Voltage vs. Tube life Technical Bulletin 05
PX4 Confusion after 90 years resolved Technical Bulletin 06
How to test EML tubes Technical Bulletin 08
Why DC heated tubes can still hum Technical Bulletin 09
Lifetime of the 45 tube - an amazing result Technical Bulletin 10
The White Spark Problem / Cathode Issues Technical Bulletin 11
What makes good tube sound? Technical Bulletin 12
Getter Materials Technical Bulletin 13
   

Tests and Projects with EML

  
EML300B at Ale Moglia's most excellent website  
EML2A3-Mesh on the 2A3 Maniac Blog
EML20A, EML300B, EML5U4G in COLOTUBE amplifier (on 6moons)
EML20B in AMARE MUSICA 'Entropy' amplifier (on 6moons)
EML30A in Trafomatic TARA Amplifier (on Trafomatic site)
EML30 in AMERE MUSICA Amplifier (on 6moons)
EML45 in Yamamoto A08-S (on 6moons)
EML45 compare vs Fullmusic and NOS (on 6moons)
EML45 by Trafomatic (on Trafomatic site)
EML45 in Balancing Act (on head-Fi Forum)
EML45 in FI stereo prototype (on 6moons)
EML45B by DHT Rob Private
EML45 Test, by Srajan Eban (on 6moons)
EML45 Test by Micheal Lavorgna (on 6moons)
EML300B in Border Patrol Amplifier (on 6moons)
EML300B in Art Audio 'Vivo' amplifier (on 6moons)
EML300B-mesh by Triode Dick
EML300B-XLS in Yamamoto A014 amplifier (on 6moons)
EML300B-XLS in Yamamoto A09 Amplifier (on 6moons)
EML300B-XLS in ALLNIC A-6000 amplifier (on 6moons)
EML300B-Mesh om Robertmusic blog Private
EML300B-XLS in ALLNIC AUDIO amplifier (on 6moons)
EML300B-XLS Test, door 'Triode' Dick van de Merwe
EML320B-XLS Test, by Bert Fruitema Private
EML520B Newsflash on 6moons Website (on 6moons)