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Re: [ARSCLIST] Empire turntables



One way to get around this is rig up a power re-amplifier with variable frequency, assuming the turntable motor is AC hysterisis. It can be done with a power amp and an oscillator, although I cannot describe the circuitry in detail. I've heard old Dynaco solid-state amps are great for this purpose. If you can find an Ampex 375 AC line power amplifier, you can drive it with any oscillator. That unit is made for the Ampex 300's, so it's got plenty of watts for a turntable.

-- Tom Fine

----- Original Message ----- From: "Mike Richter" <mrichter@xxxxxxx>
To: <ARSCLIST@xxxxxxxxxxxxxxxx>
Sent: Thursday, February 01, 2007 2:53 PM
Subject: Re: [ARSCLIST] Empire turntables



John Ross wrote:
Does anybody have any useful advice or opinions about Empire turntables? In particular, whether they're a good choice for playing 78s?

I have an opportunity to buy one (sorry, don't know which model number) for $100. It seems to be in decent condition (probably needs a new belt, just on general principle). I would use it with a Shure M78 cartridge.

My biggest concern is that it does not offer variable speed, so I won't be able to adjust it for different types, ages and brands of discs. I suppose I could adjust the speed in software, but that's not always an option for casual listening.

Any thoughts?

If your interests are limited to electrical recordings, you'll not often miss adjustable speed. If they extend into the acoustic era, variable speed is essential for listening, desirable before computer processing. When I was listening to 78s (since sacrificed to my poor health), a Bogen B51 table provided wide and continuous speed selection; its failings would have been serious with LPs but were acceptable for casual purposes on shellac discs.


Mike
--
mrichter@xxxxxxx
http://www.mrichter.com/



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