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QX-300 

USER MANUAL    

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03

QUESTAUDIO.NET

 

Do not expose the unit to any moisture 
whether rain, water, or other liquids. Exposure 
to moisture could result in damage to internal 
components or electrocution\circuit failure.

 

Do not cut, kink, or otherwise damage or 
modify speaker cable. Ensure a speaker cable 
with a core diameter of at least 0.75mm2 is 
used for specified performance.

 

Do not install or place speaker cables or 

 

this device near heaters, high traffic areas 

 

or any area where the cables or device can 

 

be damaged.

 

Avoid installing or mounting speaker 

 

boxes, amplifiers, electronics or cabling 

 

in unstable locations.

 

In the event of storms and/or lightning, ensure 
all devices are disconnected from mains power 
in order to prevent damage to any of the units 
in the system.

 

 When cleaning the unit, ensure it has been 
disconnected from any power source and that 
only a dry cloth is used. Do not use any aerosol 
or liquid-based cleaners.

 

Ensure all electronics are electronically 
grounded (earthed) to a safety ground 

 

terminal in order to avoid electric shock. 

 

Do not ground any device to a gas pipe as 

 

this may result in fire.

 

Servicing of all electronics should only be 
carried out by a certified Quest technician. 
Please consult your original place of purchase 
to find the location of your nearest Quest 
service centre.

 

When installing amplifiers and/or other 
electronics only use the hardware specifically 
designed for this product.

GENERAL CAUTION

Summary of Contents for QX-300

Page 1: ...QX 300 USER MANUAL 01 QUESTAUDIO NET QUESTAUDIO NET QX 300 USERMANUAL ...

Page 2: ...lection switches The Auto Standby function will mute the amplifier after 10 minutes of no audio signal presence and after 30 minutes the amp will enter a sleep mode which allows it to draw less than 0 5W QX 300A or 2 5W QX 300D Typical power on from mute is 1ms and from sleep mode is 660ms SAFETY PRECAUTIONS Please read the instructions in this section carefully before use Ensure all instructions ...

Page 3: ...e event of storms and or lightning ensure all devices are disconnected from mains power in order to prevent damage to any of the units in the system When cleaning the unit ensure it has been disconnected from any power source and that only a dry cloth is used Do not use any aerosol or liquid based cleaners Ensure all electronics are electronically grounded earthed to a safety ground terminal in or...

Page 4: ...miting signal Red Amplifier is clipping HPF High Pass Filter Off On Off Amplifier passing full range signal On 80HZ High Pass Filter Active BM Bridge Mono Off On Off Amplifier operating as 2 individual channels On Amplifier operating in bridged mono mode A STBY Standby Off On Off Amplifier will not enter power saving mode On Amplifier will enter sleep mode after 30 minutes of no signal Limit Off O...

Page 5: ...ock Channel 2 Input Phoenix Euroblock Channel 1 Output Phoenix Euroblock Channel 2 Output Phoenix Euroblock Mains Connection IEC Primary RJ 45 Dante Input Secondary RJ 45 Dante Input Channel 1 Output Phoenix Euroblock Channel 2 Output Phoenix Euroblock Mains Connection IEC RST Dante Reset ERR CTRL SYS SYNC Dante System LEDs ...

Page 6: ...isabled SYNC green SYNC PTP slave with PTP sync SYNC green flashing SYNC PTP master ERR amber ERR Capability is corrupted ERR amber ERR Memory stack overflow All flashing green SYS Identify SYNC CTRL ERR All amber SYS Factory manufacturing mode SYNC CTRL ERR All flashing amber SYS Upgrade mode SYNC CTRL ERR All flashing red SYS Failsafe corrupt or missing application image SYNC CTRL ERR ...

Page 7: ...QX 300 USER MANUAL 07 QUESTAUDIO NET OPERATION MODES ACTIVE STAND BY MUTED ...

Page 8: ...QX 300 USER MANUAL 08 QUESTAUDIO NET INPUT WIRING BRIDGED MONO MODE STEREO MODE Balanced Input Wiring Unbalanced Input Wiring Speaker Output Wiring Speaker Output Wiring Bridged Mono Balanced Input ...

Page 9: ... 0 006 Crosstalk 1kHz 1W 8Ohm 80dB Gain 32dB Maximum Input Level 24dBu Input Type Analogue Balanced 3 pin Phoenix 5 08mm pitch Input Sensitivity 4dBu Input Impedance 10kOhm Output Resistance 43 6mOhm Front Controls Volume Adjust 80Hz HPF Enable 100Hz LPF Enable Limiter Enable Auto Standby Enable Indicators LEDs Blue Orange Active Standby Orange Protection Green Signal Detection Orange Red Limiter ...

Page 10: ...QX 300 USER MANUAL 10 QUESTAUDIO NET TECHNICAL DRAWINGS 327mm 125mm 1RU ACCESSORIES 1RU 19 315mm 125mm 1RU Brackets Included 1RU 19 341mm uRAK2 optional ...

Page 11: ...QX 300 USER MANUAL 11 QUESTAUDIO NET ACCESSORIES INCLUDED 19 326mm 3RU uRAK3 optional 75 106 500 106 500 75 100 82 500 142 500 100 WP QX 300 optional ...

Page 12: ...Please take the time to complete your product registration Registering your Quest Engineering product will Confirm your warranty Register your product Protect your new product REGISTER ONLINE questaudio net warranty reg For spare parts and service contact your local authorised Quest Dealer ...

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