QX-4750
USER MANUAL
|
11
QUESTAUDIO.NET
TECHNICAL DRAWINGS
482mm
Height
2RU
19"
Страница 1: ...QX 4750 USER MANUAL 01 QUESTAUDIO NET QUESTAUDIO NET QX 4750 USERMANUAL ...
Страница 2: ...ommercial AV or domestic applications the QX range of amplifiers provide superior class D performance with proven reliability without compromise SAFETY PRECAUTIONS Please read the instructions in this section carefully before use Ensure all instructions in this manual are observed as all information contained within is very important It is also highly recommended that this manual is retained for f...
Страница 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...
Страница 4: ...ier will limit to prevent clipping A STBY Off Amplifier will not enter power saving mode On Amplifier will enter sleep mode after 25 minutes of no signal BRIDGED MONO Off Amplifier operating as 2 individual channels On Amplifier operating in bridged mono mode CH1 CH2 CH3 CH4 Rotary gain control LIMIT CLIP Orange Amplifier is limiting signal or muted if in standby mode Red Amplifier is clipping SIG...
Страница 5: ...DIO NET REAR PANEL CONNECTIONS CH1 Input Link CH2 Input Link CH3 Input Link CH4 Input Link XLR Phoenix Euroblock CH1 Output CH2 Output CH3 Output CH4 Output SpeakON Mains Connection PowerCON Blank Plate for Expansion Module optional ...
Страница 6: ...mplifier has a selectable limit option which can be engaged to help avoid clipping and it is recommended that this mode is used if the potential exists for extended periods of clipping The amplifier has a protection circuit which activates when a fault condition exists The LED will stay illuminated until the fault is resolved The protection circuit activates to help prevent damage to the amplifier...
Страница 7: ...and no signal has been detected for 10mins if the amplifier detects signal it will wake within 1ms When no signal has been detected for 25 mins full sleep mode will activate The Orange LED s indicates the amplifier is in Standby a power saving mode This mode can be enabled by toggling the under panel A STBY switch from Off to On In this mode if no signal is detected for 25 mins the amplifier will ...
Страница 8: ...put Wiring If the amplifier is to be used in Bridged Mono mode for low impedance speakers or to drive high impedance loads 70 100v the under panel Bridged Mono control switch should be in the On position and input connection wired to input 1 for channels 1 2 and channel 3 for channels 3 4 This can easily be noted by observing the marking BM on input connectors 1 3 ...
Страница 9: ...QX 4750 USER MANUAL 09 QUESTAUDIO NET CH2 1 1 CH4 1 1 CH1 1 1 CH2 2 2 CH1 CH2 1 2 CH3 1 1 CH4 2 2 CH3 CH4 1 2 Stereo Bridged Mono Mode OUTPUT WIRING ...
Страница 10: ...eet User Manual Phoenix Plugs Frequency Response 20 20kHz 0 3dB Peak Output Current 40A Dynamic Range 111dB A weighted Noise Level 72dBu A weighted Distortion 1kHz 1W 8Ohm 0 004 Distortion 1kHz 50W 8Ohm 0 003 Crosstalk 1kHz 1W 8Ohm 90dB Gain 26dB 32dB Maximum Input Level 24dBu Input Type Analogue Balanced XLR Optional Expansion Module Link 6 pin Phoenix 3 81mm pitch Input Sensitivity 7dBu 4dBu Inp...
Страница 11: ...QX 4750 USER MANUAL 11 QUESTAUDIO NET TECHNICAL DRAWINGS 482mm Height 2RU 19 ...
Страница 12: ...ing Quest 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 ...
