DEMO_BASSAMP_60W_MA12070

Overview

Reference design demo board MERUS™ MA12070 as musical instrument bass amplifier

The MA12070 musical instrument bass amplifier is a wall adapter or battery powered, 60 W, professionally featured and ultra-efficient fits-in-your-pocket bass instrument amplifier. It is modelled after classic vacuum-tube bass amplifier topology and utilizes the exceptional audio quality and best-in-class efficiency of Infineon's MERUS™ amplifier technology to amplify every nuance of a genuine vacuum-tube preamplifier.

Summary of Features

  • 1 x 60 W at 4Ω speaker output
  • Powered by off-the-shelf regulated wall adapter
  • 12AU7 vacuum-tube preamplifier
  • Stereo 3.5mm AUX input
  • XLR D.I. output with ground lift switch
  • Bright switch for slap-bass sound
  • Low idle power consumption

Benefits

  • Superior sound quality
  • Modelled after classic bass amplifier topology
  • Genuine vacuum-tube preamplifier
  • Small size and scalable platform
  • Excellent efficiency

Potential Applications

Audio

List of Components

  • Audio amplifier IC with analog input
    (MA12070)
  • DC-DC step-down voltage regulator
    (TLE8366EV)
  • Dual P-channel HEXFET power MOSFET
    (IRF9358)
  • Medium power AF Schottky diode
    (BAS3010A-03W)
  • NPN silicon AF transistors
    (BC847C)

 

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