In Reply to: Re: The best 5687 using in M3 Line Pre-amp posted by beto1 on September 1, 2006 at 18:16:30:
Actually I've brought a matched pair cyro treated by tube World 50's Tungsol(branded Raytheon)5687 and also a 50's RCA 6X5.
Anyone who used 6900 before??
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- Re: The best 5687 using in M3 Line Pre-amp - la1209 01:04:47 09/02/06 (0)