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Powersoft M28Q


Deposit:£74.95
24 Payments of:£59.34

Total Price:£1,499.00

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700 W at 4Ω from each of four channels with bridgeable pairs: a single M28Q is good for powering a complete little bi-amped stereo system, a 3-way mono stack of decent size, a variety of floor monitors.

All at a quality level as can be expected from Powersoft. Optimized for 4Ω loads, the M28Q is a fantastic value, practically as well as commercially.

In use worldwide by leading touring and event sound companies, Powersoft amplifiers are preferred among the top ranking system designers, sound engineers, and contractors for providing reliable premier-grade power and headroom in the smallest possible package size.

Maximum efficiency warrants minimum current draw, heat dissipation and power consumption, resulting in "green" products, saving the user a substantial amount of money over time.

FEATURES

Power supply

  • Advanced switch-mode power supply technology for high performance and compact size
  • Fixed frequency switch mode output
  • Patented output filter with ripple cancellation network

Protections
Fully protected circuit design with:

  • Ac protection: shut down power supply when AC mains voltage is outside operating range
  • Clip limiter: prevents severely clipped waveforms from reaching loudspeakers, while still maintaining full peak power output
  • DC protection: protects against infrasonic signal at the outputs
  • VHF protections: protects the loudspeakers against non audible, strong, non musical high frequency signals
  • Short circuit protection: protects the amplifier from short circuit or other stressful events for the output circuits with automatic protection reset
  • Long term limiter: protects the loudspeaker against steady long term rms (non audio) signals reducing maximum output
  • Thermal protection: output stages operating temperature up to 75 °C (167 °F)
  • Temperature controlled continous variable speed fan, front to back airflow

General

  • Compact size - all models only 1 RU for reduced rack cost and space
  • Light weight - all models only 7.4 kg (16 pounds) for easier racking and shipping
  • Neutrik XLR balanced inputs with loop thru XLR and Speakon outputs connectors
  • Recessed stepped attenuators
  • Modular construction
  • Full four years warranty

SPECIFICATIONS

General  
Number of channels 4
   
Output power Single channel mode   Bridge mode
    4 Ω 8 Ω         8 Ω    
    700 W 360 W         1400W    
Max output voltage / current 85 Vpeak / 60 Apeak     170 Vpeak
   
AC Main Power  
Power supply Universal, regulated switch mode
Nominal power requirement 100-240 V ±10%, 50-60 Hz
Operating voltage 90 V - 264 V
Power consuption** 115 V   230 V
Idle 64 W 0.6 A   62 W 0.51 A
1/8 of max output power @ 4 Ω 580 W 7.48 A   580 W 3.74 A
1/4 of max output power @ 4 Ω 1066 W 13.04 A   1066 W 6.52 A
   
Thermal  
Operating temperature range 0° - 45° C - 32° - 113° F
Thermal dissipation** 115 V   230 V
Idle 212 BTU/h 53.4 kcal/h   212 BTU/h 53.4 kcal/h
1/8 of max output power @ 4 Ω 785 BTU/h 197.8 kcal/h   785 BTU/h 197.8 kcal/h
1/4 of max output power @ 4 Ω 1249 BTU/h 314.7 kcal/h   1249 BTU/h 314.7 kcal/h
   
AUDIO  
Gain 32dB, 30dB, 28dB, 26dB, 24dB, 22dB, 20dB, 18dB, 14dB, 4dB, -∞, user selectable
Input sensitivity 1.4 V / 5.14 dBu
Max input level 6 V / 17.7 dBu
Frequency response 20 Hz - 20 kHz (±0.5 dB) @ 1 W, 8 Ω
S/N ratio > 111 dB (20 Hz - 20 kHz, A weighted)
Crosstalk separation > 70 dB @ 1kHz
THD+N 0.05% @ 1/2 full power
IMD 0.02%
Input impedance 10 kΩ balanced
Slew rate 40 V/μs @ 8Ω, input filter bypassed
Damping factor

> 5000 @ 100 Hz

Front panel  
Indicators and Controllers 2 x LED - Status
2 x LED - Over-temperature protection
4 x LED bar - Signal level + CLIP
4 x Knob - Level attenuator (stepped)
1 x Power switch - 
Connectors  
AC main 1 x IEC C14 connector - 15 A max (region-specific power cord provided)
Audio signal input 4 x XLR - Signal input
Auxiliary voltage 1 x 2 pin Phoenix MC 1.5/2-ST-3.81 - External voltage connector (DSP version only)
Loudspeakers 4 x speakON - Neutrik NL4MD
Network/data 1 x Rj45 socket - Ethernet + AESOP connection (DSP+AESOP version only)
1 x Rj45 socket - RS485 data connection (non-DSP version)
   
Rear panel  
Indicators and Controllers 2 x Push-button - Link channel pair
   
Construction  
Dimensions (L x H x W) 483 mm x 44.45 mm x 358 mm (19.0 in x 1.8 in x 14.1 in)
Weight 7.4 kg (16.3 lb)



* Data is suject to change without notice.