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* Quest Engineering reserves the right to make changes in specifications, or products without prior notice. 

** The figures shown above are ‘real world’, usable specifications and are conservative as a result. Quest Engineering does not believe 

in portraying misleading or exaggerated specifications.

9

Specifications

Max. Output Voltage

70 Vp SE, 140 Vp BTL

Output Circuitry

Class D

Signal To Noise-Ratio 

(20Hz - 20kHz, 4

Ω

 load MOL)

> 91 dB (unweighted)

THD+N (1W 1kHz)

< 0,01 %

Dynamic Range

120 dBA

Frequency Response (4

Ω

, 120W output)

35Hz - 20kHz (fixed 35Hz 4th Order Butterworth High Pass Filter)

Gain

28dB

Protection Circuits

Temperature, Over Current, DC Output, Mains RMS Input, High Frequency, and 

Internal Rail Over-voltage

Indicators

Signal, Clip, Fault, Gain Settings, Meters Mode, (‘Q’ Illumination)

ErP (1275/2008/EC) compliant standby 

consumption < 0.5W

< 0.5W

Mains Input Voltage

85VAC - 265VAC

Net Weight

3.1kg

Shipping Weight

4.3kg

Dimensions (HxWxD)

87 x 110 x 330mm

Shipping Dim. (HxWxD)

136 x 254 x 395mm

Stereo

All channels driven @ 1kHz, THD < 1%, 230VAC

8

Ω

245 W

4

Ω

490 W

Mono Bridge

Single channel driven @ 1kHz, THD < 1%, 230VAC

8

Ω

900 W

4

Ω

1050 W

70V

1050 W

Summary of Contents for Q1K

Page 1: ...Q1K Owner s Manual ...

Page 2: ...ridge mode the amplifier can also operate as a 70V line 1000W power amplifier Ideal for distributed systems where high quality and stable high power is required 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 i...

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: ...x 5 08mm 3 Way Captive Screw Plug Speaker Output Connector Plug 5 08mm 4 Way Locking Captive Screw Plug Figure 1 01 Channel 1 Clip Indicator Channel 1 Signal Indicator Channel 1 Level Control Channel 2 Clip Indicator Channel 2 Signal Indicator Channel 2 Level Control Figure 1 00 ...

Page 5: ...4 Amplifier Wiring Balanced Wiring Unbalanced Wiring Speaker Wiring Balanced Wiring Unbalanced Wiring Bridged Speaker Wiring Hot Cold Ground Positive Negative Positive Negative Figure 1 02 ...

Page 6: ... high pass filters either 35Hz or 85Hz and independent 100Hz low pass filters All filters are 4th order Butterworth type The filter selections are ideal for setting crossover points for subwoofers and mid top boxes Other features include the ability to sum both input channels bridge the amplifier and ground lift input signals Front panel functions can also be selected including Meters Mode Auto St...

Page 7: ...mpedance loads i e 8 Ω non 70V loads In this mode the amplifier performs a soft reboot mixes both input channels together then channel gains are ganged Ganged channel gains means that either rotary encoder will affect both channels and the ratio between each channel s gain remains the same For example if you set Channel 2 to maximum and Channel 1 to 50 level then enable Low Impedance Bridge Mode b...

Page 8: ... 2 AMPLIFIER 1 AMPLIFIER 2 SUMMING CIRCUIT DCA 1 DCA 2 FILTERS FILTERS INPUT 1 INPUT 2 CONTROLS LINKED Figure 1 05 Normal Dual Channel Mode Figure 1 06 Bridged Mode both low and high impedance variants AMPLIFIER 1 AMPLIFIER 2 SUMMING CIRCUIT DCA 1 DCA 2 FILTERS FILTERS INPUT 1 INPUT 2 Figure 1 07 Summed Mode ...

Page 9: ... of the amplifier location to allow passage of warm air to escape If this cannot be achieved a forced ventilation system should be used Note Continuous mid to high power draw at low load impedance can cause more heat dissipate from the amplifier Rack Mounting the Q1K as a Multi Channel Installation Each Q1K amplifier is a rack width wide by 2RU high Combined with the Universal Rack Kit uRAK1 it is...

Page 10: ...amic Range 120 dBA Frequency Response 4Ω 120W output 35Hz 20kHz fixed 35Hz 4th Order Butterworth High Pass Filter Gain 28dB Protection Circuits Temperature Over Current DC Output Mains RMS Input High Frequency and Internal Rail Over voltage Indicators Signal Clip Fault Gain Settings Meters Mode Q Illumination ErP 1275 2008 EC compliant standby consumption 0 5W 0 5W Mains Input Voltage 85VAC 265VAC...

Page 11: ......

Page 12: ... 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 ...

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