Tubes : Ruby Tubes by JJ : 6L6GCC output tube

Ruby Tubes 6L6GC-CZ- (aka 5881) has a rugged glass envelope. Big, open, and articulate.

The 6L6GC-CZ is a very reliable and strong sounding power tube. Retaining a tight bottom and crisp high end, the 6L6GC-CZ is a high grade replacement for 6L6 or 5881 applications.

Our best 6L6GC tube. Full sounding with good power and very durable construction.

A rugged copy of the Philips STR tubes.A Santana Favorite & most popular 6L6

Available in matched pairs and matched quads

All RUBY™ Tube power tubes come already matched. There is no extra charge for this service. Our matching process is very exact and our tubes are matched within +/- 1 mA (milliamp) of each other.

All tubes are further QC checked on our own B&K equipment ,and tested here in Cornwall ,in our own shop ,to assure they meet specs.

Due to ongoing supply chain issues and tube shortages,call or email beforehand to confirm availability and current pricing