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Analog Line Level Preamplifiers , Passive Pre-amps, Crossovers, etc.

DBX 224 type II noise reduction system
DBX 224 type II noise reduction system
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Old 5th December 2006, 08:58 PM   #1
Mikewong is offline Mikewong  Italy
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Join Date: Apr 2003
Location: Milan
Default DBX 224 type II noise reduction system

I owned 2 used and probably out-of calibration units,am in need of
Instruction manual and service manual to restore them to their working

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Old 29th December 2006, 03:26 AM   #2
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Join Date: Jan 2006
Location: central Iowa
I could use a copy as well.
Ret. USAF... AKA- Avionic *** Solder slinger for hire...***
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Old 30th April 2013, 11:13 AM   #3
MLStrand56 is offline MLStrand56
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Join Date: Oct 2012
Ref. dbx 224 Series 1

What you have is a dbx 224, series 1 Compander.

I bought/used this same unit with a dbx 200 series 1, when they were new.

I no longer have the Owners Manual. This compander is very easy to use.

dbx uses a "left-handed logic" in how to hook up their equipment. That's why it's VERY Easy to connect it incorrectly.

I'm a long time dbx guy. If there is any way I can help you, I Will!!!!!

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Old 1st May 2013, 01:27 AM   #4
Speedskater is offline Speedskater  United States
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Location: Lakewood, Ohio
But that was some 6 years ago!
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Old 19th August 2015, 04:30 AM   #5
Jenyok is offline Jenyok  Russian Federation
diyAudio Member
Join Date: May 2012
Location: Russia, Moscow
DBX noise reduction type 1 for bobbin tape recorder.
I find circuit for DBX noise reduction type 1 for bobbin tape recorder without special old chips i.e. mPC1252, mPC1253 . May be on discrete elements.
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