The Mainframe
The MAIN FRAME is a surprisingly small but powerful 1RU box which makes it easy to fit into any space.
Features:
- 2 input XLRs and 2 output chassis XLRs for audio volume control.
- Inputs and outputs are for balanced or unbalanced use. {Best S/N can be achieved via balanced lines.}
- The volume varies from 0dB (no change) to attenuation to –70dB.
- 2 chassis 4 pin XLRs for display connections.
- 6 pin chassis XLR for the control foot pedal with a 6 pin male to female cable for connection from pedal to main frame.
- Integrated PSU on the MAIN FRAME provides regulated 12VDC, at 1.5A.
- A high quality threaded locking mechanism on the coax connections.
- BYPASS is controlled by the switch on the front of the MAIN FRAME or by power loss.
- The BYPASS is a hard, relay-released balanced bypass.
- A blinking red LED on the MAIN FRAME front panel indicates bypass mode.
Please Note:
In theory, a Y cable can be utilized to have 3 displays on one system. Care must be taken that all connections are discrete and pin to pin. Re-calibration of the displays may be required. All other internal calibrations are sensitive and require an accurate multimeter and must follow an exact procedure. Contact Czech Electric for the procedure.
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