Martin Audio's PLM Series preset suitable for Martin Audio's W8LC speaker.

Technical info:
* Amp gain is 32 dB
* MaxRMS limiter threshold at +5 dBu (LF), +2 dBu (MF), +1 dBu (HF)
* MaxPeak limiter threshold (MaxRMS +6 dB) at +11 dBu-pk (LF), +8 dBu-pk (MF), +7 dBu-pk (HF)
* ISVPL threshold at maximum amplifier output voltage
  - The MaxPeak threshold corresponds to a ISVPL threshold at 
    109.6 Vpk (LF), 77.6 Vpk (MF), 69.2 Vpk (HF)