Operation and Performance
19
PLM Series Operation Manual rev 1.1.9
5.3.1.2 High SPL Proles
High SPL proles do not use the adaptive release time feature. High SPL proles optimized for high frequen-
cies use less of the look-ahead delay peak-rounding feature; this feature is used most in the Sub prole and
least the HF prole.
▸ Sub - The Sub prole is optimized for frequencies between 20 - 200 Hz
▸ LF - The LF prole is optimized for frequencies between 20 - 1200 Hz
▸ MF - The MF prole is optimized for frequencies between 300 - 6000 Hz
▸ HF - The HF prole is optimized for frequencies above 1 kHz
Table 5-3 shows the theoretical maximum output power for a given load impedance and ISVPL setting.
An ISVPL-to-load calculator that will assist in generating the
appropriate ISVPL setting for a desired power load is available
at www.labgruppen.com/plm
MAX. SINEWAVE BURST POWER (Watts)
Load Impedance (ohms)
2 2.67 4 8 16
ISVPL SETTING (V
peak)
194 9409 7048 4705 2352 1176
193 9312 6984 4656 2328 1164
181 8190 6143 4095 2048 1024
167 6972 5229 3486 1743 872
153 5852 4389 2926 1463 732
121 3660 2745 1830 915 458
101 2550 1913 1275 638 319
83 1722 1292 861 431 215
70 1225 919 613 306 153
56 784 588 392 196 98
47 552 414 276 138 69
38 361 271 181 90 45
17.8 79 59 40 20 10
Table 5-3: ISVPL-to-output examples
These ratings shown in Table 5-3 are limited by the
CPL (Current Peak Limiter) functions, not by ISVPL
settings, due to power output channel current
capacity.
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