TEAC rx-9 dbx Unit - diyAudio
Go Back   Home > Forums > Source & Line > Analog Line Level
Home Forums Rules Articles diyAudio Store Gallery Wiki Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

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

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Thread Tools Search this Thread
Old 5th April 2010, 07:54 AM   #1
diyAudio Member
Join Date: Apr 2010
Default TEAC rx-9 dbx Unit


I just got a Teac RX-98 dbx unit. Does anyone know what modifications shall be made in order to operate this one as a stand alone unit? Cause of legal considerations (TEAC could not sell DBX stand alone units) this is controlled by a cable remote through TEAC or TASCAM (122b cassette tape recorder). Therefore I would be tempted to believe the modifications are not so important.

Thanks you for your time in reading this!

  Reply With Quote
Old 5th April 2010, 02:32 PM   #2
diyAudio Member
Steerpike's Avatar
Join Date: Jan 2006
Location: Johannesburg, South Africa
All I know is the RX-8 unit for the C3x and C2x cassette decks. The "control signal" does NOTHING AT ALL! The control signal socket on the cassette deck is not even connected to anything - it just has the two top pins short circuited together.
Steerpike's Toybox
  Reply With Quote
Old 5th April 2010, 02:54 PM   #3
diyAudio Member
Join Date: Apr 2010
Thank! The unit name, by the way is RX-9 and not 98 of course. Thank again. On the socket are 6 pins disposed like a 2 by six matrix, two of them on the line quite separate. Would you please guess how the short circuit shall be made. Actually, globally, do you think could it be eny risk in short circuit them randomly?
  Reply With Quote
Old 5th April 2010, 04:26 PM   #4
diyAudio Member
Join Date: Apr 2010
The connecter matrix:

x x meaning 1 2

x x 3 4
x x 5 6
  Reply With Quote
Old 5th April 2010, 04:47 PM   #5
diyAudio Member
Join Date: Apr 2010

I come again on the subject after testing. Since I started this thread, I shall put this to sleep and to be in help whoever might need this answer. So, pins 1 and 2 short circuit is starting the unit to operate manually meaning the switches on the front panel shall be set to encode and then decode after recording sub consequentially. The pins 3 to 6 are meant for Teac A3400-SX four channel recorder (and not only but starting with this model). The switches 1,2,3 and/or 4 of the recorder set to "on" to operate for the four tracks automatically: encode when recording and decode for playback.

Thank you once again!
  Reply With Quote
Old 5th April 2010, 04:59 PM   #6
diyAudio Member
Join Date: Jan 2008
Location: Virginia
There is one pin (voltage controlled drom the control board), that switches the "encoding" or "decoding" functionality.
The rest of the pins are in/out/gnd/power. And there are 2 sockets on the dbx board, for 10 (not only 6) wires.
Shorting things randomly will damage something eventually (like the power supply).

Last edited by SoNic_real_one; 5th April 2010 at 05:02 PM.
  Reply With Quote


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Dbx 157 amphead123 Swap Meet 0 21st February 2008 08:20 PM
dbx At P.E. sdclc126 Multi-Way 24 23rd December 2007 11:26 AM
FS: TEAC VRDS7 Laser-unit Bakmeel Swap Meet 0 24th November 2005 05:39 PM
Teac C3-RX Cassette Deck rlim Swap Meet 1 22nd January 2005 05:10 PM

New To Site? Need Help?

All times are GMT. The time now is 01:16 PM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999-2017 diyAudio

Content Relevant URLs by vBSEO 3.3.2