gug42
500+ Head-Fier
- Joined
- Jan 29, 2008
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Is any one tried the russian 5C4M ? Seems compatible, between 5U4 and GZ34 from the datasheets and really cheap.
http://rutubes.com/product/5c4m-5u4m-5z4-cv186-tube/
http://rutubes.com/product/5c4m-5u4m-5z4-cv186-tube/