tube | fil | anode | Pd | ||||||
---|---|---|---|---|---|---|---|---|---|
UX-210 | TT | bare metal | 8 | ||||||
UX-210 | TT | carbonized | 10 | ||||||
Marathon 10 | oxide | mesh | 10 | ||||||
10Y / VT-25 | TT | carbonized | 15 | ||||||
VT-25A | oxide | carbonized | 15 | ||||||
Raytheon 10 | oxide | box-plate | 15 | ||||||
801 | TT | graphite | 20? | ||||||
801A / VT-62 | TT | carbonized | 20 | ||||||