Snave
Well-known member
Brand new matched quad of Ruby EL34 BSTR tubes. These are ruggedized EL34s designed for Ruby with thick glass and a hard vacuum (compared to the soft vacuum in EH and JJ tubes). Tested and working perfectly.
Asking $50 shipped Priority Mail.
The Ruby EL34BSTR's/EL34BW are a new high gain tube developed by Ruby and manufactured by Shuguang. They have a gold plated grid and extra thick glass. Perfect for modern gain, these have unique a wall of sound break up, very articulate. Ruby Tubes are matched both by plate current and transconductance.
Asking $50 shipped Priority Mail.
The Ruby EL34BSTR's/EL34BW are a new high gain tube developed by Ruby and manufactured by Shuguang. They have a gold plated grid and extra thick glass. Perfect for modern gain, these have unique a wall of sound break up, very articulate. Ruby Tubes are matched both by plate current and transconductance.