Hi Steve:

I think the definitive way to answer this would be to look at schematics of the early cutting 
equipment. Have you checked the Sooey brothers' journals at the Sarnoff archive website? Perhaps 
they discuss this matter?

-- Tom Fine

----- Original Message ----- 
From: "Steve Smolian" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, December 19, 2013 12:17 AM
Subject: [ARSCLIST] Record equalization

> Do we know if the early commercial electrics by Victor and HMV used any equalization?  Since there 
> was no commercial record player on the home market that used an amplifier until November, 1925, 
> there’s an April-October or later period where there is no means of introducing a circuit that 
> inverts any electronic change from what reached the cutting head.
> The record companies would not abandon the record market which used the acoustic playback process 
> for half a year or create a product that sounded poor on the installed base of home players.  Yes 
> the acoustic Orthophonics were available by then but few could afford them.
> If this  is so, such 78s should be played back flat.
> Any hard data on this question?
> Steve Smolian