Martin Audio WAVEFRONT COMPACT - APPLICATIONS GUIDE - Page 229

The following initial DX1 output limiter settings will avoid voice coil overheating
and minimise amplifier clipping for high quality, trouble free operation.
W8S - assuming 800Wcont - 1600Wpk into 8ΩΩ power amplifiers:
Best-fit Recommended
Amplifier Amplifier Amplifier DX1 LIMITER
Example Sensitivity Gain Settings
(Lo15" & Lo18" o/ps)
dBu Vrms dB dBu
Crown MA5002VZ (0.775v) -2 0.62 42 -3
Martin MA4.2** (41dB) -1 0.69 41 -2
Crest CA18 (x115) -1 0.69 41 -2
Crown MA3600VZ (0.775v) -1 0.69 41 -2
0 0.77 40 -1
+1 0.87 39 0
+2 0.98 38 +1
+3 1.09 37 +2
QSC PL236/PL236A (36dB) +4 1.23 36 +3
+5 1.38 35 +4
+6 1.55 34 +5
+7 1.73 33 +6
Martin MA4.2** (32dB) +8 1.95 32 +7
Crest 8001 (x40) +8 1.95 32 +7
Crest 9001 (x40) +8 1.95 32 +7
QSC PL236A (32dB) +8 1.95 32 +7
+9 2.18 31 +8
+10 2.45 30 +9
+11 2.75 29 +10
+12 3.08 28 +11
+13 3.46 27 +12
Crown MA3600VZ (26dB) +14 3.88 26 +13
Crown MA5002VZ (26dB) +14 3.88 26 +13
QSC PL236A (26dB) +14 3.88 26 +13
** Set Martin Audio MA4.2 rear MLS switch to 0dB to match peak output of
unregulated power amplifiers.
All material © 2007. Martin Audio Ltd. Subject to change without notice.