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Re: [ARSCLIST] playing 78s
IIRC the PB worked best with a stereo input to better define noise and
make the choice of switching between groove sides. Better to sum the
channels post-PB.
joe salerno
John Eberle wrote:
Playing 78s through an RIAA preamp basically rolls off the highs and
boosts the lows dramatically altering the frequency response from what it
should be . The RIAA pre-emphasis eq curve is applied during the disc cutting
stage of 45 and LP record mastering . 78 RPM records
were not cut with RIAA pre-emphasis ; but rather were cut mostly
flat with perhaps some low end roll of to control the size of the bass
groove excursions .
A simple and cheap way to playback 78 RPM records is to connect the
turntable or tone arm audio out to the HI-Z microphone inputs available
on many preamps . This will give the flat response desired for 78s and a
little low boost will bring the lows back in to proper perspective .
Also , most cartridges in current use for playing 78s are actually stereo
and of course 78s are mono . It is totally weird to hear a 78 RPM disc
being played with stereo clicks and pops . The cartridge can be wired in the
headshell to reproduce lateral mono modulation only . This makes the record
noise a lot less and less need for the Packburn or any other analog or digital
transient noise reduction and better over all quality .
If anyone would like an mp3 of one of my commercial 78s reproduced
in this manner , just contact me off list and I will email it to you .
John Eberle : Over 27 years disc cutting experience and over 35 years in
Mastering !
AMERICANA CD MASTERING
313 EAST COLLEGE STREET SUITE 3A
DICKSON , TENNESSEE 37055
615-441-4660
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