ok I ordered this
2x TAD RT008 TUBE ECC83 WA
1x TAD RT080 7025 WA
thoman says this:
TAD RT008 TUBE ECC83 WA
The TAD ECC83 WA emphesises the warm mids and produces a round sound with rich harmonics. Clean sounds are round and warm with a very good attack. Overdrive sounds stand out with powerfull mids.Smooth top end, full gain, fat mid range, tight low end, very low microphony, low noise, balanced systems, triple mica construction, replaces: 12AX7, 12AX7A/WA/WB/WC, ECC83, 7025
TAD RT080 7025 WA
TAD RT080 7025 WA Valve, preamp valve, ideal for critical input/V1 stage in guitar amps, select for sensitivity, creamy soft treble, full gain, fat mids, round and clear bass, abnormally low microphonic effect, low noise, symmetric systems. Replaces 12AX7, 12AX7A, -WA, - WB, -WC, ECC83, 7025, SPAX7-A. Useable as preamp valve for guitar amps including Diezel ("Pit Spezial"), Blackstar, Brunetti, ENGL, thomann Fender, Marshall, Mesa Boogie, Orange, etc.