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Description

The MA40F is a mini amplifier providing 40W Mono Output at 4Ω (low impedance). It is fitted with a paging microphone input with access contacts, a useful 70/100V line input option, a further two line inputs and a facility port input option allowing connection of the LM-2 wall input module and the new Cloud BT-1F Bluetooth Audio Wireless input module.

ENERGY STAR ® Tested & Certified providing extensive power saving and energy consumption saving features such as Auto Power Down (APD) and rapid waking.

The MA40F is powered via a 12-24V power supply and offers music mute functionality to allow simple connection to fire alarm and other interfaces which makes it highly flexible and suitable for use in themed/visitor attractions including use in bus / tram / river tour guide systems.

Features

• 40W 4Ω Mono Output
• ENERGY STAR ® Tested & Certified
• 2 line inputs with individual input gain
• 70v / 100V line input
• APD – Auto Wake & Hibernation
• Paging Microphone Input with access contacts (SW/VOX)
• Facility Port Input for Active Input Plates (LM-2 & BT-1)
• Music Mute
• 12-24V Power Supply

Specifications

General

• Line inputs
  • Frequency Response ±1 dB, 20 Hz to 20 kHz
  • Distortion <0.1 %
  • Sensitivity 0.2 V (-12 dBu) to 1.95 V (+8 dBu)
  • Input Gain Control 20 dB range
  • Input Impedance 10 kohms (unbalanced)
  • Headroom >12 dB
  • Noise <-90 dB
  • Equalisation LF: ±10 dB @ 50 Hz, HF: ±10 dB @ 10 kHz
• Facility input
  • Input Impedance 10 kohms (balanced)
  • Sensitivity 0.775 V (0 dBu)
• Microphone input
  • Frequency Response -3dB @ 120 Hz (filter) to 20 kHz ±1 dB
  • Distortion <0.1%
  • Gain 10 dB to 50 dB
  • Input Impedance >2 kohms (balanced)
  • Headroom >12 dB
  • Noise <-90 dB
  • Phantom Power +12 V (internal jumper)
• Output
  • Output Power (1 kHz continuous sine wave) 40 W, DC input >18 V
• General
  • Power Input: 12 V to 24 V DC
  • Power consumption 47 W
  • External AC PSU adaptor Universal type, 100 V to 240 V, 47 to 63 Hz
  • Amplifier protection Fixed level signal limiter, Protection against DC, PSU overcurrent, amplifier overcurrent, over-temperature, supply voltage under/over-voltage, Resettable internal breaker (no fuses)

Physical & Dimensions

• Height: 41mm
• Width: 220mm
• Depth: 144.5mm
• Weight: 750 g