Description
Quad (4) of factory Platinum Matched pin Electro-Harmonix 300B tubes. Absolutely one of the finest 300B variant in production today, give your single-ended amplifier the optimal sound.
These are factory new and shipped as a labelled set by the factory. The Platinum Matching process includes 24 hour burn in period, matching tubes at real world voltages which ensures a tight match and future reliability.
The factory matches these at 300V plate and -61V bias with resulting values marked on top of the box.
All tubes carry the 90 day factory warranty against defects from date of purchase.
All tubes carry the 90 day factory warranty against defects from date of purchase.
