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(#2 5998 Tungsol in stock) JAN-CTL-5998 Tungsol dark gray plates low hours/very good 1954 same build as 421A Western Electric (82ma/97ma)

(#2 5998 Tungsol in stock) JAN-CTL-5998 Tungsol dark gray plates low hours/very good 1954 same build as 421A Western Electric (82ma/97ma)

$ 0.00

Sorry, this product is sold out!

1 tube) JAN-CTL-5998 Tungsol dark gray plates low hours/very good 1954 same build as 421A Western Electric in white box, original box rotted due to age, small rattle inside base from dried glue particles

1 section) 82ma Gm=13,500

1 section) 97ma Gm=15,800

Good Ma range 70-100ma

Good Gm range 14,000 - 16,000

 

BEST FOR:
--------
Peter Millett headphone amp
Woo Audio 2
Woo Audio 3
Woo Audio WA3+
Darkvoice 336i
Darkvoice 336SE
Fi 421A
Singepower Extreme

 

(5998 is an uprated 6AS7G and has a 13 watt plate dissipation rating)
(the 5998 sounds very clear and has superb overall sonics, the 421A Western Electric sounds even better; slightly more magical sound)
(5998 Mu = 5.4, Gm = 15500, Rplate = 350 ohms, Vplate max = 250 volts and Vplate max 5998A = 275V)
(7236 Mu = 4.8, Gm = 12500, Rplate = 350 ohms, Vplate max = 300 volts)
(7236 is a computer rated 5998A, 7236 and 5998A are uprated from 5998)
(6AS7G Mu = 2, Gm = 7000, Rplate = 280 ohms)
(6080 Mu = 2, Gm = 6500-7000, Rplate = 280-300 ohms)

5998 substitute = 7236
7236 is a computer rated 5998A

5998 RATINGS:
------------
Filament Voltage 6.3 V
Filament Current 2.4 A
Plate Voltage (max) 250 V
Plate Current (max) 125 mA
Plate Dissipation (max) per section 13 W

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