Martin Audio's PLM Series preset suitable for Martin Audio's W8LM speaker.

Technical info:
* Amp Gain is 32 dB
* MaxRMS limiter threshold at +4 dBu (LF), -1 dBu (HF)
* MaxPeak limiter threshold (MaxRMS +6 dB) at +10 dBu-pk (LF), +5 dBu-pk (HF)
* ISVPL threshold at maximum amplifier output voltage
  - The MaxPeak threshold corresponds to a ISVPL threshold at 
    97.7 Vpk (LF), 54.9 Vpk (HF)