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Gates Dualux Console

Radio Caroline - Gates Dualux Console
During the AM broadcast years the Gates Dualux mixing console (Model M5526) used in Studio 1 was paramount to the success of the station. The Dualux was at the top of the Gates range and was a rugged beast designed to be worked hard.

Manufactured by Gates Radio Company, the company's history can be traced back to 1922 when the company was founded by Parker Gates. The company has gone through a number of changes over the years - 1957 saw the Harris Corporation takeover from Gates and in 2013 Gores Group made their aquistion of the company.

As you can see below the specs for this unit were extremely high. Speaking to DJ's that used this particular console - it was clearly a pleasure to use.

Mixing Channels Nine - Key Controlled
Microphone Inputs Seven - three direct, two switched into Channel 4 and two switched into Channel 5.
Turntable Inputs Four - switched into Channels 6 and 7
Cue Position On mixing Channels 6 to 9, to allow cueing and program preview of any of these channels by cue-intercom system or panel phones.
Network Input & Four Tape Inputs Switched into Channel 8 in the upper position, switched into Channel 9 in the lower position and terminated in the center / off position. With the switching of these inputs into either channel any sequence could be followed with proper fading instead of dumping the signals in.
Five Remote Line Inputs Switched into Channel 9 in the lower position for mixing, receiving program cue in the upper position and terminated for off / talk-back / over-ride facilities in the center position.
Isolation Transformers Provided in Channels 8 and 9 to permit 600 / 150 ohm input lines, balanced or unbalanced.
High Pass Filter On front panel for Program Channel A - flat position and three selected response curves. Allowed immediate illimination of hum and/or rumble on any circuit into Channel A.
Eight Utility Switches On front panel for expansion of any section of console operation and addition of special facilities. Terminal board attached to the rear of the console.
Front Panel Phone Jacks One to monitor the output of program amplifier 1, program amplifier 2 or the turntable cue bus. One connected to the cue-intercom system.
High Gain Program Amplifiers Both used cascaded interstage for master gain, to permit optiumum signal to noise ratio for any condition.
Muting All mixing channel keys provide switch contacts for muting or auxillary switching.
Two Full Program Output Channels Combined with amplifiers to permit high quality operation with emergency failure protection. Levels could be adjusted to allow rapid changeover without re-adjustment.
High Quality Monitoring Amplifier Could be switched to pick up the output of program amplifier 1 and program amplifier 2, or an external input such as off-the-air monitoring. A bridging transformer and attenuators allowed monitoring lines without loading and biasing. Master gain control was achieved via a plugin step type attenuator.
Patch Panel Main circuits were brought into a terminal board and strapped together so that normalling jacks could be used for patching.

For an excellent insight into the Gates Dualux Console check out the video below taken onboard the Ross Revenge - circa 1986 - with Blake Williams describing the consoles controls.