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ALFAtron ALF-MA15075D Quick Start Manual
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ALFAtron ALF-MA15075D Quick Start Manual

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www.alfatronelectronics.com
ALFATRON ELECTRONICS GmbH GERMANY
ALF-MA15075D

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Summary of Contents for ALFAtron ALF-MA15075D

  • Page 1 ALFATRON ELECTRONICS GmbH GERMANY ALF-MA15075D...
  • Page 2 ALF-MA15075D Introduction: The Audio Power Amplifier ALF-MA15075D is a compact power amplifier designed for low or high impedance applications. A mode selector switch allows it to deliver two channels of 75 watts each into 4 or 8 Ω, or a single channel of 150 watts at 70 or 100 V.

  • Page 3: Front Panel Description

    ALF-MA15075D unmute mode. Front panel signal status LEDs for power, panel button lock, audio source,  mute, and real-time volume level. Front Panel: Front Panel Description: Name Description Power LED Solid red: Unit is powered. Off: Unit is not powered.

  • Page 4: Rear Panel Description

    ALF-MA15075D Rear Panel: Rear Panel Description: Name Description ETHERNET port Connect to a PC for Web access. The default IP address is 192.168.1.100. RESET button Press and hold this button for 3 seconds to restore to factory default settings. OPTICAL port Connect a digital audio source to this port.
  • Page 5 ALF-MA15075D Connection: 1. Connect audio input devices Connect Microphones, using the included 3-pin captive screw connectors, to the MIC IN1/2 ports. Connect an analog audio source, using the included 5-pin captive screw connector, to the LINE IN port. Both balanced and unbalanced wiring are supported.
  • Page 6 ALF-MA15075D Set the MODE switch to the required voltage setting: 70V or 100V. This mode is used for commercial applications and longer speaker cable runs. Program / stereo speakers (low impedance)  Set the MODE switch to the impedance setting of the speakers being connected: 4Ω...
  • Page 7 ALF-MA15075D 4 / 8 Ω = 75 W per channel Audio Processing Sampling Rate 48 kHz / 24-bit Signal Processing Volume, Auto on / off signal sensing. Adjustable HPF, default setting of 100 Equalization 5-band, adjustable: 40 Hz, 150 Hz,...

  • Page 8: Warranty

    ALF-MA15075D Warranty This limited warranty covers defects in materials and workmanship in this product. Should warranty service be required, proof of purchase must be presented to the Company. The serial number on the product must be clearly visible and not have been tampered with in any way whatsoever.