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(!!) (Single) E288CC=8223 Siemens Halske Germany rebranded Telefunken NOS 1970 (36.0/37.6ma)

(!!) (Single) E288CC=8223 Siemens Halske Germany rebranded Telefunken NOS 1970 (36.0/37.6ma)

$ 129.99

1 low noise tube) E288CC=8223 Siemens Halske Germany rebranded Telefunken NOS 1970  (N6-0D=1970) 

1 section) 36.0ma Gm=21,500
1 section) 37.6ma Gm=22,700

NOS Ma = 30ma

NOS Gm = 18,000

Tested on Amplitrex

 

(Specs: Vfil=6.3 Ifil=0.475A, Vplatemax=250V Pwattsmax=3.0)

Typical Operation:
Va   Vg1   Ia     Ra     Gm  Rk    Mu
100 -1.5 30.0 1,400 18.0 350 20-25

See more: vacuum tube
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