Product description, Front panel features – Australian Monitor Audio Telex ACM250 User Manual
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Product Description
The ACM250 mixer amplifier is designed for commercial installations. It operates on 230/240 VAC, 50Hz (or 115 VAC,
60Hz with factory modification) and may be desk or rack mounted (rack mount kit supplied). The ACM250 delivers 250
watts into a load of 4 ohms, 70 or 100 volt line. As standard, the ACM250 is supplied self standing with rubber feet. They
may be stacked to a maximum of four units high.
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ACM250, 250 Watt Mixer Amplifier
Front Panel Features
Microphone/Line Level Controls
The 6 dual mic/line input controls are labelled Ch 1 through to Ch 6 and should be adjusted to provide the required level
mix for each individual channel. Start with the controls set to level 0 and turn the controls clockwise until the desired mix
level for each channel is reached.
Bass Control
Setting this control in the centre position will give an overall flat bass response. Adjusting the bass control in a
clockwise direction will provide up to 12 dB of bass boost @ 100 Hz. Adjusting the bass control in a counter-clockwise
direction will provide up to -12 dB of bass cut @ 100 Hz.
Middle Control
Setting this control in the centre position will give an overall flat middle response. Adjusting the mid control in a
clockwise direction will provide up to 12 dB of mid boost @ 600 Hz. Adjusting the mid control in a counter-clockwise
direction will provide up to -12 dB of mid cut @ 600 Hz.
Treble Control
Setting this control in the centre position will give an overall flat treble response. Adjusting the treble control in a
clockwise direction will provide up to 9 dB of treble boost @ 10kHz. Adjusting the treble control in a counter-clockwise
direction will provide up to -9 dB of treble cut @ 10 kHz.
Master Output Control
The Master level pot controls the overall output level of the amplifier depending on the levels set for the individual input
channels as detailed above. Start with the control set to level 0 and turn clockwise until the desired output level of the
amplifier is reached.