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CURVE BENDER
with 1/2 dB steps
The EMI TG12345 Curve Bender is the ultimate TG equalizer issued in celebration of the 75th
birthday of Abbey Road Studios. The Curve Bender was conceived by Chandler Limited designer
Wade Goeke and is based on the vintage EMI TG12345 desk used to record The Beatles and Pink Floyd.
This newest EMI equalizer continues the tradition of EMI EQs started in 1954 with the RS57, the 1969
TG12345 and the 1974 TG12412. Wade turned the nine selections of the vintage version into 51 EQ
points plus a multiply switch that increases the boost/cut to 5db to 15db (as well as sharpening the Q), filters,
and bell/shelf selections on the high and low bands.
NOTE ON FRONT PANEL LABELING - You will notice white and yellow markings on the controls
of the front panel. This is not a mistake :-) Because of the new controls and settings added to the
Curve Bender we have used two colors for control labels. White labels designate a setting exactly
as it would have been on a vintage TG unit. Yellow designates selections chosen by Wade.
This way you may accurately recall a standard TG setting or purposely break all the rules.
Connections - All connections on the Curve Bender are transformer balanced with pin 2 hot.
Power supply - This is designed to be used with Chandler Limited PSU-1 MKII power supply.
The power pin out is as follows:
1) chassis and audio ground
2) 48 volt
3) +28 volt
4) -28 volt
Notes on Grounding - On the back or the power supply are two black banana connectors.
These join the audio ground to earth ground with a solid wire between them. Depending on your
studio you may want this connected or disconnected. Turn up your monitors or headphones a bit
and experiment with which has a lower noise floor in your system. You may also need to join the audio
banana plug to other sections of you studio to obtain lowest noise floor. The audio banana is located
closest to the edge of the power supply case. Use something simple like a guitar cord and touch the tip
to other portions of your studio to find best results. In some cases it may be best to connect a 10 ohm
resistor between banana plugs.
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Table of Contents
Summary of Contents for Chandler EMI TG12345 Curve Bender
- Page 1 CURVE BENDER with 1/2 dB steps The EMI TG12345 Curve Bender is the ultimate TG equalizer issued in celebration of the 75th birthday of Abbey Road Studios. The Curve Bender was conceived by Chandler Limited designer Wade Goeke and is based on the vintage EMI TG12345 desk used to record The Beatles and Pink Floyd.
- Page 2 Controls and Features IN LEFT IN RIGHT FULL BYPASS - Each channel of the Curve Bender may be fully bypassed by use of these pushbuttons. Its main use is for direct comparison of processed sound. 8.1k HIGH PASS LOW PASS HIGH PASS/LOW PASS - Although the original Curve Bender and TG12345 console did not frequencies, it is an important fact that new circuitry was not invented to add this feature.
- Page 3 This huge wrap around TG desk was used to record Pink Floyd’s "Dark Side of the Moon" and was the first implementation of the TG MKIV amplifier. The MKIV amp is prevalent in much of the Chandler/Abbey Road reissues including the TG1, TG2, and Passive TG Channel.
- Page 4 Controls and Features continued GENERAL EQ NOTES - To allow the user to access unmodified settings from the original TG desk the EQ points are marked in two ways. White indicates the vintage settings from the TG12345 and yellow the new ones chosen to fill in the gaps in the expanded selection. Even though we have added many choices to the unit, in all cases the curve of the original EQ has been maintained.
- Page 5 Shell Rock, IA 50670 Phone: (319) 885-4200 Email: support@chandlerlimited.com CE Certification Chandler Limited declares under its sole responsibility that all products manufactured by them are in compliance with EC directives 2004/108/EC Electromagnetic Compatibility; 2004/108/EG Electromagnetic Compatibility; 2006/95/EC Low Voltage Equipment Safety.
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