Cold weather means Tube Amp season! Don't forget to retube your amp!
Ruby 6L6GCMSTR Matched Quad
An excellent Russian 6L6GC that is screened and matched by Ruby.
6L6GC-MSTR provides ample headroom and does well in amps like Mesa Boogie.
Price is for a matched quad (4 tubes) of Ruby 6L6GC-MSTR