[BC] Re: 50's/60's Audio Processing

[Bill Allen Jr]

Some stations used a EMT brand "gold plate" reverb
unit for the reverb (echo)

it was a wood box about 5 feet high and wide and
around 2 feet deep.

an interesting peice of technology at the time.

it had a large metal plate suspended by springs at the
corners and sides.

at one end of the plate there were tranducers the fed
the audio into the plate by vibration and at the other
end were mic like devices the recovered the audio with
the reverb caused by the plate.

in the center of the plate was a pad that led to an
outside control for adjusting how much pressure
the pad had ageinst the plate and controled the amount
of reverbration.

i see them ebay now and them going for between $1000
and $4000 and costing alot to ship via truck freight.

now they make digital effects boxes the mount in 1
rack space, offer several reverb,echo chorus,flange
etc effects and don't cost much at all.

it's interesting to think about how far we have
advance in tech - or have we?

i guess it depends on how we apply tech.

Bill


Date: Thu, 21 Dec 2006 16:15:45 -0700
From: "Rev. Robert P. Chrysafis" <kc8gpd at hotmail.com>
Subject: [BC] 50's/60's Audio Processing
To: <Broadcast at radiolists.net>

What did they use for processing in the 50/60 era? I'm
interested in
creating that classic oldies AM sound. also the
echochamber sound on 
the
anouncers voice. was that done intentional using a
echobox, was it a
byproduct of the Room acoustics and mic, or was it
part of the 
processing.

I was listening to the Cruisin' the 50/60's series and
want to recreate 
that
classic sound for my Rangemaster.

Thank You,

------------------------------------------------
Rev. Robert P. Chrysafis
Universal Life Ministries (ULC)



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