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Originally Posted by 7 Hz  what I am saying is the Neuman was designed to cut a long program material on each side (than the older Scullys) - this was the drive for the design of the Neumann, and limits it a bit compared to the Scully for cutting really loud bassy stuff. |
As has been pointed out there is no reason you can't cut fixed pitch on a Neumann. I think the differences you hear have more to do with operator than equipment. But there is something that has crossed my mind about the Neumann SAL/VG74 rack.
In the circuit breaker there are two ways to open (trip) it while the head is dropped. The obvious one is by excessive heat in the drive coils. The other one which is not well known is a diode clamp that will trip when it senses more low end than the cutter head can produce. The phyiscal limitation (extention) of the torsion tubes that vibrate the stylus. It's possible that the mechanism in the Westrex head has a longer throw. Thereby allowing for larger low frequency velocity. Could also be BS.