I have, the a few of the original GLs 1960s stuff, a quad of KT77 and KT88s, I have a set of KT77s russian made current matched (12). They sound a lot like the original GL. I don’t like the sound, it’s darker, lacks luster, so to speak. Some folks seem to like that sound, I don’t! I have GLs 12AX7s, 12AU7s, and EL84s, not a one of them are anything to write home about. NOS, New, or otherwise.
A valve that is really stepping up to the plate is PSVANE, I picked up 12AX7s and 12AU7s, VERY good valves, as close to the older Tellies or RCA black plate as I can find, Excellent valves... THAT is the sound I like.
It is VERY tubie, by todays standards.. YES TUBIE. A little bloat in the middle and silky smooth on the top, not brash, or all metal sounding, no bass because I don’t use valve units for bass on the power side.
In a preamp they are just the bomb, great bottom to top. Kind of a frown, if we were looking at an Graphic EQ.
Regards
A valve that is really stepping up to the plate is PSVANE, I picked up 12AX7s and 12AU7s, VERY good valves, as close to the older Tellies or RCA black plate as I can find, Excellent valves... THAT is the sound I like.
It is VERY tubie, by todays standards.. YES TUBIE. A little bloat in the middle and silky smooth on the top, not brash, or all metal sounding, no bass because I don’t use valve units for bass on the power side.
In a preamp they are just the bomb, great bottom to top. Kind of a frown, if we were looking at an Graphic EQ.
Regards