by EWBrown » Thu May 05, 2005 5:42 am
I've been wondering how well Tung-Sol 6AR6s, 6098s or the elusive Bendix "Red Bank" 6384s would work in audio service. They look externally similar to a 5881, but have a totally different weird pinout, and much higher ratings, and the 6384 was made to be used in early guided missiles, they are as tough as a glass tube can be. ceramic base, ceramic interior spacers, the filament is threaded in a ceramic block. THis results in a very slow warm up time, but also makes it resistant to 300Gs and higher. The published specs don't go into amplifier service, just pulse, DC regulation and servo driver ratings.
To use these tubes on the IKE board, would require either some PCB surgery, or hard-wiring an octal socket using the appropriate pinout corrections.
I have a Bunch of 6AR6s and 6098s and a few prized and hard to find 6384s. Been looking for 6889s, but they seem to be made of unobtanium...
I figure these would be great for guitar amp service, as they are tough enough to take the bumps and bruises of being hauled around.
/ed B in NH
Real Radios Glow in the Dark