(!!!!) (Best Pair #2) 5881 Tungsol branded RCA used/good 1963 (64ma and 65ma)
$ 139.99
1 pair) 5881 Tungsol branded RCA used/good 1963 (NH) same date codes in white boxes
1 tube) 64ma Gm=5450
1 tube) 65ma Gm=5300
Tested on Amplitrex
Good used mA range 50-65ma
Good used Gm = 4500-5500
recommended for:
- Pro Dawg (copy of 5E5A Circuit)
- Naylor SD60
- Fender Bassman RI 1956, 1959
- Fender Pro-Amp 1962
- Victoria Regal 2007
- Melody SP3 amp
- Heath W4AM mono amps
- Audio Note SORO linestage
- Mesa Boogie Mark 4
- Supratek
- CARR Rambler
- Line6 Spider Valve 112 (2007) Reinhold Bogner Amplification UK
- Clark Tyger 2011
- Clark Piedmont 2003
See more: vacuum tube
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 (Best Pair #2) 5881 Tungsol branded RCA used/good 1963 (64ma and 65ma) "Pin It")