QX-280 Series Owner’s Manual
Page 1: ...QX 280 Series Owner s Manual ...
Page 2: ... This is located on the rear of the amplifier and will mute that particular channel after 10mins of no audio signal presence After 30mins that channel will enter a sleep mode which allows individual channels to draw less than 0 5W of mains power Safety Precautions Please read the instructions in this section carefully before use Ensure all instructions in this manual are observed as all informatio...
Page 3: ...nly use the hardware specifically designed for this product 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 otherwise damage or modify speaker cable Ensure a speaker cable with a core diameter of at least 1 5mm is used for correct performance Do not install...
Page 4: ...r Output Connector 80Hz High Pass Filter Enable Auto Standby Enable Audio Signal Input Connector 1 2 3 4 5 1 1 2 3 4 5 2 3 4 5 6 Audio Signal Indicator Amplifier Clip Indicator Limiter Active Indicator Amplifier Protect Indicator Amplifier Power Indicator Rotary Gain Control 1 2 3 4 5 6 Cooling Fan Exhaust Speaker Output Connector 80Hz High Pass Filter Enable Auto Standby Enable Audio Signal Input...
Page 5: ...0W Hot Cold Ground Unbalanced Wiring Balanced Wiring 16Ω 16Ω 16Ω 16Ω 15W 15W 15W 15W 16Ω 16Ω 16Ω 16Ω 15W 15W 15W 15W from amplifier to speakers 16Ω 16Ω 16Ω 16Ω 15W 15W 15W 15W 16Ω 16Ω 16Ω 16Ω 30W 30W 30W 30W Hot Cold Ground Unbalanced Wiring Balanced Wiring 16Ω 16Ω 16Ω 16Ω 15W 15W 15W 15W 16Ω 16Ω 16Ω 16Ω 15W 15W 15W 15W from amplifier to speakers 16Ω 16Ω 16Ω 16Ω 15W 15W 15W 15W 16Ω 16Ω 16Ω 16Ω 30W...
Page 6: ...reaches a critical temperature level the limiter circuit will activate in an attempt to keep the amplifier temperature within its limits Amplifier Channel is Muted If Auto Standby is enabled via the switch on the rear panel the amplifier will enter a mute state after no audio signal has been present for 10mins Amplifier Channel is in Standby Mode If Auto Standby is enabled via the switch on the re...
Page 7: ...z 1W 1kHz Rated Power 0 022 0 015 Dynamic Range 119dBA Output Resistance 1kHz 43 6mΩ Peak Output Voltage unloaded 140V Power Output 4Ω 280W 8Ω 245W 70V 250W 100V 240W DC Offset 7mV Frequency Response 0 1dB 20Hz 20kHz 1st order 22kHz LPF Voltage Gain 1kHz 32dB Mechanical Specifications Net Weight QX1280 4 5kg QX2280 4 9kg QX4280 5 7kg Gross Weight QX1280 7 1kg QX2280 7 5kg QX4280 8 3kg Dimensions H...
Page 8: ... 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 www questengineering com au registration For spare parts and service contact your local authorised Quest Dealer ...
