5718 preamp

[Mr. Triatic]

Well..i had some 5718 submini tubes laying around so i thought i would do something useful out of them!
I built a vero-board testrig in a rush, just to get a feeling for how they sound, and as far as i'm concerned they sound just fine!

here's the testrig:

An externally hosted image should be here but it was not working when we last tested it.

An externally hosted image should be here but it was not working when we last tested it.

 

[Mr. Triatic]

last night i made the preliminary schematic:

An externally hosted image should be here but it was not working when we last tested it.

 

[Arnulf]

Your schematic isn't showing up but I love the idea of using those female headers as sockets 🙂

 

[DigitalJunkie]

Your schematic isn't showing up but I love the idea of using those female headers as sockets 🙂

It's a .PDF file.

 

[Mr. Triatic]

last night i made the preliminary schematic:

http://joddla.net/audio/5718/schematic.pdf

I forgot the cathode decoupling kapacitor in the schematic... i will update the schematic later on.

regarding the sockets, i recommend these sockets:
http://www.surplussales.com/Tube-Sockets/TubeSkts-6.html

 

[Mr. Triatic]

Schematic in jpg:

An externally hosted image should be here but it was not working when we last tested it.

 

[Mr. Triatic]

An externally hosted image should be here but it was not working when we last tested it.