Swart Tubes(L-R)   JJ 12AX7 • JJ 12DW7 • Tung-Sol 6V6 • JJ 6V6 S • JJ GZ-34 (Missing: EH 6V6GT, SED Winged C EL-34, SED Winged 6L6GC)   ©2007 swart amplifier co.   e-mail