Radio Audio Processing Gear From 1939 - 1995 |
Product |
Description |
Year |

|
Western Electric
1126
Tube wide band limiter. |
1939 |


|
Langevin
ProGar
The first "true" audio
processor before MU tube.
The "ProGar" use a push-pull 6J7
driving a push-pull 6V6. |
1945-48 |

|
RCA
BA-6, BA-25, BA-28, Comex
Tube wide band limiter with
famous 6386 variable MU tube.
|
1950-60 |

|
Fairchild
660 Mono - 670 Stereo
The "Holly Grail'
of compessors until our days.
All Tube wide band limiter with famous 6386 variable MU tube.
This beast use 20 tubes and 14 transformers, weight 65 lbs and sell it on vintage markets
from 30.000 ~ 50.000 US$ !!
More info about 670 Here
|
1950-56 |



|
Fairchild
Conax
The first high frequency
limiter. Originally designed
for disk cutting. Analog two
band with pre-emphasis
clipping, high-pass
filtering.
Rare photos of Conax by
Mr. Gregory Snow of
www.tarboxroadstudios.com |
1960 |

|
CBS Laboratories
Audimax 3
Analog wide band - Tube gated AGC
compressor. The first AGC
with gate. |
1965 |


|
CBS Laboratories
Audimax 3-411
Stereo transistorized
version of Audimax 3.
|
1965 |

|
CBS Laboratories
Audimax 3-444
Mono transistorized version
of
Audimax 3 |
1967 |

|
CBS Laboratories
Volumax 400
Analog wide band with
clipper. |
1970 |


|
CBS Laboratories
Volumax 4010
Analog wide band with
clipper
pre-emphasis, high frequency
limiter. |
1970 |


|
Collins
26U-2, 26U-1, 356E-1
Tube wide band -
Stereo peak limiter.
Rare photo of 26U-1 by
Mr. Gregory Snow of
www.tarboxroadstudios.com |
1960 |




|
Gates
Level Devil & STA Level
Tube wide band compressor
variable MU compression with famous 6386 tube.
Rare photo by
Mr. Gregory Snow of
www.tarboxroadstudios.com |
1960 |


|
Gates
SA-38, 39B
Tube wide band peak limiter
Rare photo of SA-38 & 39 by
Mr. Gregory Snow of
www.tarboxroadstudios.com |
1960 |

|
Gates
Solid Statesman
Transistorized wide band
peak limiter with pre-emphasis. |
1970 |

|
Urei
175
First product by the famous Urei
brand. Tube wide band
compressor |
1960 |

|
Urei
LA-3 Mono, LA-4 Stereo
The most musicality wide
band compressors until today. |
1970 |

|
Urei
1176
Wide band mono compressor
with FET, great classic sound. |
1970 |

|
Urei
1178
A stereo version of 1176. |
1970 |

|
Urei
BL-40
Modulimiter
Wide band mono rms/peak
limiter
Designed for broadcast use. |
1970 |
 |
Marti
CLA-40
Mono wide-band AGC
compressor limiter. |
1970 |
|
Dorrough
DAP 310
First multi-band processor
in the world, 9000 units were
sold, analog discriminate audio
processor, three band AGC
gated compressor limiter. |
1973 |

|
Dorrough
DAP 610
Second generation of 310
digitally controlled, three band AGC
compressor limiter. |
1985 |
 |
Greg Laboratories
Ex-company of famous Greg
Ogonowsky, Indexcom and
vice president of Orban Co.
2510
Second multi-band processor
in the world, a processing revolution, analog audio
processor, three band AGC
gated compressor limiter.
The "killer bass" of gregg which now is on Optimod 8200 latest version, it whas
first on this box. |
1980 |
 |
Greg Laboratories
2540
Analog audio processor
five band AGC gated
compressor limiter. |
1980 |


|
Inovonics
230 MAP, 231 MAP2, FM255
FM250, Another famous brand
wide-band AGC, 8 band compressor. Adj thershold
on each band. |
1972-83 |

|
Orban
Optimod 8100A1
Most popular processor in
the world. For more about
Optimod's look on this website. |
1980 |


|
Orban
290 Rx Adaptive Enhancement
Processor
The response of Robert Orban to
competitors of Aural Exciters.
An exellent high frequency process (aural exciter) unit with out add distortion as other
similar units, dynamically controlled spectral restoration, DSNR noise filter, downward
expander. |
1990 |
|
Orban
222A Stereo
Spatial Enhancer
The response of Robert Orban
to competitors of stereo enhancements. Simplicity &
cleverness is the secret on
this all time classic unit. |
1988 |

  
|
Texar
RCF 1&2 and last
"Cobalt Blue" by
Glen Clark
A replacement card with
'bass boost " for Card #5 and original face plate of Orban's Optimod 8100 just to
co-operate with
a pair of audio prism. |
1987 |
  

|
Gentner
LAZER
A Digital FM Limiter &
Stereo
Generator with Optical Encoder.
This was the the first digital Fm audio processor.
L,R analogue audio digitized on Optical Encoder unit and then connected on LAZER
unit with Fiber Optic Cable. Above of LAZER is Two Audio Prisms.
Rare photo's by
Mr.
Peter van Beusekom
Sales and Technical Support Engineer Orban-Europe
www.Orban-Europe.com
|
1991 |


|
Gentner Ex-Texar
of Glen Clark
Audio Prism 1FM
Audio Prism 1AM
The popular companion for years
of Orban Optimod 8100, digitally controlled 4 band compressor
gated AGC, expander limiter.
Gentner also made the first
digital processor named 'Lazer" |
1985 |

|
Pacific Recorders
Multimax, Multilimiter
Legendary brand, 3 band compressor gated AGC limiter. |
1976-81 |

The
old CRL manufacturing
plant where was made the above units.

|
CRL
AGC-400, SEC400
PMC-450, MBL-100
Set of famous CRL units.
AGC-400
(Mono AGC)
SEC-400 (Mono multiband compressor)
PMC-450(Mono AM Peak Modulation Controller)
MBL-100
(Mono Modulation Bandwidth Limiter)
Photos
and descriptions by Mr. Kevin Clayborn Ex-Customer Service Manager of CRL
from 1993 to 2000, then a CRL Product Manager & now North American Sales Manager of
Orban/CRL
www.orban.com |
1986-88
Stopped at about
1999 |

|
CRL
Audio Signature
Digitally controlled, AGC, 4
band
processing, 4 presets memory.
The
Audio Signature was meant to be paired with a Modulation Signature, which was simply a
stereo FM limiter and a multiplex generator. |
1989 |

|
CRL
DP-100
5 band processing, AGC,
limiter
stereo encoder, touch screen.
The
DP100 was an all digital audio processor meant to compete with the Orban 8200.
The unit shown appears to be a prototype unit as all units were manufactured in
Black. |
1995 |

|
CRL
Millenium
The
Millennium was the exact same unit as the DP100, simply re-branded in the year 2000. The
colour was changed to Red. A few units were shipped in a Tan colour to match that of a
transmitter manufacturer we were working with at the time. Production sadly stopped in
late 2001/early 2002.
|
1995 |


|
Harris
MSP 90, MSP 100
MSP 90 wide-band limiter
MSP 100 3 band & wide-band AGC. |
About
1985 |

|
Sta Max M1050
Wideband Modulation
Controller Clipper
Made by Chris Hood? Probably
the first approach to MPX composite clipping? |
About
1980 |



|
Proccesing Solutions
MicroCon Systems
FM FlexiMod
By Jim Somich
Read Jim Somich’s
“Processing History”
A very
effective Composite clipper made by Jim Somich radio engineers
say about, Fleximod was an
updated DBE-1000 used at Z100 in NYC. I
recall when using a Jim’s
Fleximod composite clipper with a Texar Prism/Optimod 8000A configuration in the mid 80s
on an FM I was programming.
|
1980 |

|
Modulation Sciences
CP-803
The first and most popular
composite clipper. |
1980 |

|
Modulation Sciences
MYB-2 Stereo Maxx
The first and most popular
stereo enhancement for radio. |
1985 |



|
Aphex
602A & 602B
Aural Exciter
The first aural exciter it
was with tube model 402, the 602A & B is an upgrade transistorized version.
After that the successfully history
of Aphex Co. is began.
|
1976 |



|
Aphex
Dominator 700
Compellor 300A
Famous brand excellent units.
The first dominator 3 band limiter.
Beneath a modified Dominator 700 by Frank Foti-Ommia-named Vigilante. |
1980-85 |

|
Cutting Edge / Omnia
Unity 2000 & 2000i
The first product of Frank Foti.
Wide-band AGC, limiter, 4band processing, bass enhacer, composite clipper, stereo
coder |
1990 |

|
SEC, France
Audio Prisma 3
The french edition of Texar's
prism, 4 band digitally controlled. |
About
1992 |

|
Girardin, France
LC-101, LC-102
Wide-band compressor. |
1980 |

|
EMT, Germany
266
Wide-band compressor with
variable pre-emphasis limiter. |
1980 |

|
SCV Audio, Europe
Analog 4 band, compressor gated AGC limiter, pre/de-emphasis. |
1987 |

|
Positron, Italy
Diesis 60
6 Band
compressor limiter.
Diesis 40
4 Band
compressor limiter. |
About
1980 |

|
Rami, France
Modular, 4 to 7 bands processing
gated AGC, |
1990 |

|
IDT, France
Sound Design Expert
Sound Design Light
Analog digitally controlled.
4 band AGC, 5 to 7
compressor
expander, limiter, parametric EQ
optimiser limiter, stereo encoder. |
1992 |

|
DigiPro, Italy
Mach 2
Digital 5 band processing
limiter, stero encoder. |
1990 |
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|
AEV, Italy
Exclusive Fm
10! :) band (italian
fanfare) processing, stereo encoder. |
1992 |
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|
AEV, Italy
Xtreme
6 band processing, stereo
encoder. |
1995 |
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|
Tiesseci, Italy
BAT FM
Analog, gated AGC, 6 band
processing, stereo encoder.
This is a shadow of
the 6 Band Tiesecci Technology BAT – FM (An incomplete Orban 8200 copy).
Photo
by Mr.
Peter van Beusekom
Sales
and Technical Support Engineer Orban-Europe
www.Orban-Europe.com
|
1996? |
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|
Tiesseci, Italy
DAC 7 & 711
Analog, gated AGC, 7 band
processing, stereo encoder. |
1990 |
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|
Behringer, Germany
Combinator
Leveler, compressor, 4 band
limiter, pre-emphasis. |
1989 |