Martin Audio's PLM Series preset suitable for Martin Audio's LE1500 passive speaker.

Application notes:
The preset is designed for a monitor application with the speaker in passive mode.

Technical info:
* Amp Gain is 32 dB
* MaxRMS limiter threshold at +6 dBu (Full-range)
* MaxPeak limiter threshold at +12 dBu-pk (Full-range)
* ISVPL threshold at maximum amplifier output voltage
  - The MaxPeak limiter threshold corresponds to a ISVPL threshold at 
    123.0 Vpk (Full-range)