Quest Engineering QTA 6060M User Manual Download Page 1 | Manualshive

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Q-Tech

Q-Tech Commercial Series

QTA

6060M/6120M/6250M

Mixer Amplifiers

User Manual

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Summary of Contents for QTA 6060M

Page 1: ...Q Tech Q Tech Commercial Series QTA 6060M 6120M 6250M Mixer Amplifiers User Manual...

Page 2: ...ts Safety Precautions 1 General Description 4 Features 4 Front Panel Layout 5 Rear Panel Layout 6 Connections 10 Applications 11 Block Diagram 14 Specifications 15 Dimensional Diagram 16 Technical Not...

Page 3: ...afety Symbol and Message Conventions Safety symbols described below are used in this manual to prevent bodily injury and property damage which could result from mishandling Before operating your produ...

Page 4: ...op metallic objects or flammable materials in the ventilation slots of the unit s cover as this may result in fire or electric shock When Installing the Unit Do not expose the unit to rain or an envir...

Page 5: ...is in Use Do not place heavy objects on the unit as this may cause it to fall or break which may result in personal injury and or property damage In addition the object itself may fall off and cause...

Page 6: ...ridge in out feature to allow combining of multiple amplifiers in applications without the need for external relays VCA remote level control circuitry is included which may be assigned to the backgrou...

Page 7: ...e of 5dB 4 Treble Control The TREBLE CONTROL is a shelving type control which will boost or cut treble frequencies at 10kHz at the rate of 5dB 5 Master Gain Control The MASTER GAIN CONTROL will raise...

Page 8: ...recording devices The signal available here is PRE tone control and low cut filter and comes from the internal mix bus 15 Line Out A B The LINE OUT connector is useful for providing unbalanced line l...

Page 9: ...here a lower amplitude signal will trigger a mute send Careful calibration of this control may be required to fully utilize the mute circuits capabilities Adjustment of this control should occur after...

Page 10: ...its signal from INPUT 6 volume control 25 VCA Remote location of the level control can be accomplished via the VCA control port You can control the overall level Master or just Input 6 This selection...

Page 11: ...ain installations have the need to combine one or more Mixer amps together These Mixer amps may operate different rooms of an install but have the need to share a page or music throughout the installa...

Page 12: ...ca Potentiom eter Quest part number VCC 10K consists of a single gang wall plate with a pre mounted 10K poten tiometer and knob This pot may be mounted on a plate to match the wall plates as nominated...

Page 13: ...ic position Note The INPUT 1 Trim and Sens will need to be adjusted after all the settings and connections have been set Dipswitch Settings Dipswitch 1 Off Set To The Required Gain Dipswitch 2 Off Not...

Page 14: ...t makes combines or breaks separates the Bridge connections between the amplifiers When the switch is closed any audio signal into either amp will be present at both amplifiers speaker outputs A volum...

Page 15: ...D player s audio outputs are connected to Input 6 and a recording device cassette recorder or computer s audio input is connected to the Tape Out jacks For system tuning a 1 3rd octave graphic EQ is c...

Page 16: ...QTA 6000 Series User Manual User Manual Q Tech Commercial Series QTA 6060M 6120M 6250M 14 Block Diagram...

Page 17: ...mer Mic 316mV 3 16mV 50dBV 70dBV Input 1 5 Line 316mV 10dBV 10Kohm Mic 316mV 3 16mV 50dBV 70dBV Input 6 Line 300mV 100mV 10dBV 20dBV Selectable Outputs Main Transformer coupled balanced 8 25V and 70V...

Page 18: ...User Manual Q Tech Commercial Series QTA 6060M 6120M 6250M 16 Dimensional Diagram UNIT mm UNIT mm Keep all the unit s sides over 10cm away from objects that may obstruct air flow to prevent the unit s...

Page 19: ...100V and a terminal at one end for the negative return wire COM A low impedance terminal will be for 8 ohm speaker installations and is under no circumstances to be connected to a transformer type spe...

Page 20: ...0 The reason is that most ceiling speakers draw more than their claimed wattage The alternative would be to connect the speakers to the 4 watt transformer terminal giving you a theoretical total draw...

Page 21: ...nce 0 1W 100K 10W 1K 40W 250 0 5W 20K 15W 667 50W 200 1W 10K 20W 500 75W 133 2W 5K 25W 400 100W 100 3W 3 33K 30W 333 150W 66 7 5W 2K 35W 286 200W 50 100V plan P E x E Z 100x100 Z 10 000 Z P Power W Z...

Page 22: ...QTA 6000 Series User Manual User Manual Q Tech Commercial Series QTA 6060M 6120M 6250M 20...

Page 23: ......

Page 24: ...www questaudio net Quest Engineering Pty Ltd 86 Derby St Pascoe Vale VIC 3055 Ph 613 9354 9133 Fax 613 9354 9233...

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