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Fletcher · 9th July 2009

Interestingly, MCI figured out that if you run at 20ips you get about 80% of the low end benefits of running at 15ips and about 80% of the noise benefits for running at 30ips.

I would guess that Tim's 1" J-37's run at 18 ips because US power is 60Hz [where the EU, and most of the rest of the world runs at 50Hz].

The J-37 used AC motors [most later machines used DC motors] so the line current from the wall is what actually determines the speed of the motors on the machine.

Peace.

9th July 2009	#10
Fletcher member no 666 Joined: Jun 2002 Location: Durham, NC Posts: 10,106	Interestingly, MCI figured out that if you run at 20ips you get about 80% of the low end benefits of running at 15ips and about 80% of the noise benefits for running at 30ips. I would guess that Tim's 1" J-37's run at 18 ips because US power is 60Hz [where the EU, and most of the rest of the world runs at 50Hz]. The J-37 used AC motors [most later machines used DC motors] so the line current from the wall is what actually determines the speed of the motors on the machine. Peace. __________________ CN Fletcher Professional Affiliations: R/E/P Professional Recording Engineer and Producer forums - serious hobbyists welcome SoundPure.com mwagener wrote on Sat, 11 September 2004 14:33 We are selling emotions, there are no emotions in a grid Roscoe Ambel once said: Pro-Tools is to audio what fluorescent is to light