Assessments - 3, GPA: 4.3
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Using unbalanced connections could result in chassis ground-loop noise. Altering the signal/chassis ground relationship in equipment connected to your MQX unit may eliminate the noise. All Rights Reserved Page - 6 Operator Manual – MQX Series Equalizers Safety Instructions – 3 Physical Description Introduction - 4 MQX Equalizers – 5 The MQX-2310 is 2RU, and weighs 11 pounds, while the MQX-2150 is 1RU, and weighs 9 Connectors & Cables – 5 pounds. This manual shows images of both models. Physical Description - 6 MQX-2310 & MQX-2150 Front Panels Specifications - 10 Front Panels Rear Panels Installation – 7 Typical Applications - 8 Troubleshooting - 9 Dimensions - 9 Warranty - 11 1. Equalization -The individual equalization 5. Range Switch -This switch selects the faders adjust the gain or loss at each filter operating range of the individual equalization frequency. There are 31 of these faders per faders to either ±15dB or ±6dB. The ±15dB channel on the 2310, and 15 faders per settings should be used when much channel on the 1250. By adjusting a equalization is needed. The ±6dB setting combination of faders, an overall frequency allows finer resolution on the fader settings. response can be developed and the physical 6. EQ In/Out Switch -This switches the Graphic position of the faders will give an approximate Equalization and gain adjustments, allowing the visual indication of this response. effect of any equalization to be compared to a 2. Gain -The gain control adjusts the overall gain “flat” response. This switch does not defeat the of the equalizer when the EQ switch is “in”. It is High-pass filter. generally used to compensate for level 7. High-Pass Filter -The high-pass filter can be changes due to the equalization process, but used to supplement the frequency response can also adjust overall system level and gain achieved by the bandpass filters. It’s function is structure. Overall gain with this control is from to “roll off” low end response to eliminate +6dB to -... subsonic interference like wind noise, floor 3. Signal Present LED -A green LED indicates rumble, and boomy microphone pops. The when input signal to the equalizer is above -high-pass frequency on the 31-band models is 20dBu. EQ or Gain settings have no effect on fixed at 40Hz with an 18dB/octave slope. The this indicator, as it only tells you the level of MQX-2150 has an internally switched 20Hz signal applied to the equalizer. high-pass filter which can be disabled by a 4. Clip Indicator LED -The red Clip LED turns on qualified service technician. when any signal within the audio path exceeds +19dBu. Clipping can be detected at the input stage, gain stage, or at the equalizer output. Copyright© 2006 – Ashly Audio Inc. Operator Manual – MQX Series Equalizers Page - 7 MQX-2310 and MQX-2150 Rear Panels 1. Inputs - For unbalanced inputs, the signal 2. Ashly Servo-Balanced Output -This output should be on the + connection and the -circuit is an active output which maintains a connection tied to ground. A mono 1/4” plug constant output level between the (+) and (-) used as an unbalanced connection will output terminals, regardless of either terminal automatically be grounded. When using a being connected to ground. This servo- stereo plug, XLR connector, or Euroblock for an balanced output provides an unchanged signal unbalanced signal, the (-) input connection without regard to ground. MUST be tied to ground. 8. Power – Switches the unit power on or off. Installation Use four screws and washers when rack mounting the Equalizer. For mobile use, the unit should be further secured as appropriate. General Requirements MQX Equalizers have specific physical, electrical and signal requirements for proper operation. These requirements will vary depending on your specific application, setup, and the settings on the Equalizer. When setting up and testing your system, please take special care to double check all connections and settings. Please refer to the specifications section of this manual for specific input, output and other figures. AC Power Your MQX equalizer should be connected to a standard 3-wire grounded electrical outlet supplying 100-240 Volts, 50-60 Hz. To reduce the risk of ground loop hum, connect all audio equipment to the same electrical power source. Removal of the ground pin is both unlawful and dangerous, as a potential shock hazard could result. This unit will perform normally within the AC voltage range specified above. Voltages less than this, as found in “brown-out” conditions, may reduce performance. In the event of a blown fuse, replace only with same type fuse. No user serviceable parts are inside the chassis. Overall power consumption is less than 25 watts. NOTE: The power switch does NOT isolate the appliance from mains. Make sure the mains power socket or an alternative disconnect device is near by and easily accessible. When the product is connected to mains, the line-filter and the input of the fuse are energized. Safe...