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Pre-(Line-)Amp with RE074
Pre-(Line-)Amp with RE074
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Old 3rd January 2004, 04:42 PM   #1
barossi is offline barossi  Germany
diyAudio Member
Join Date: Oct 2003
Location: Hamburg area
Default Pre-(Line-)Amp with RE074

Hello DIY'ers,

has anyone experiences with the RE074 tube. I will build a Line-Preamp. I think that the RE074 has similar datas like the 1H4GT or the #30:


Here datas of the nice RE074:


I probably could build something like this:

I will build a battery heater for the filaments 4 V/60mA.
Any suggestions? Thanks!

Greetings Hauke
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Old 4th January 2004, 02:07 PM   #2
barossi is offline barossi  Germany
diyAudio Member
Join Date: Oct 2003
Location: Hamburg area
Default wrong datas RE074


here is the right data for the beautiful RE074:


Has anyone experiences with this tube in a line pre amplifier?

Greetings Barossi
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Old 22nd March 2007, 10:39 PM   #3
pavgeris is offline pavgeris  Greece
diyAudio Member
Join Date: Oct 2004
This is an amazing tube, extremely linear, very rich tonally and very very quiet, without any microphonics. I am now working on a tubey power supply for the filament of this triode, as it only needs ~60 mA of DC.
If you are curious on what this tube can really do for you, try to find a piece and start playing. It is very very rare these days but if you have an uncle in Germany, then maybe he can do something for you...
Good luck!
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