JJ KT88 Matched Quartett
JJ KT88 Matched Quartett

JJ KT88 Matched Quartett

Order time 3-6 weeks
€289.00

Matched quartett of 4x KT88 tubes. 

KT88 is a beam output pentode with an octal base and power of 42W. Very powerful, with strong bass and very bright highs. It can also be used in 6550 amplifiers.

Base: OCTAL
Uf = 6,3 V
If = ca 1,6 A

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Typical characteristic:
Ua = 250 V
Ug2 = 250 V
Ia = 140 mA
Ig2 = max. 7 mA
-Ug1 = 15 V
S = 11,5 mA/V
Ri = 12 kΩ
μ-g1-g2 = 8

Triode Conncected
Ua, g2 = 250 V
Ia+g2 = 147 m A
-Ug1 = 15 V
S = 12 mA/V
Ri = 670 Ω
μ = 8

Type of tube
Power Amp
NN391-MQ
New

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