instant current/voltage demand and the-

reby eliminating any limiting of the signal

dynamics. More like a valve amplifier,

RAM Audio's ICL system maintains sonic

quality even when the amplifiers have

exceeded the threshold of clipping, provi-

ding very high dynamics at negligible dis-

tortion levels.

Commonly the anticlip systems limit the

input signal matching it with to a fixed refe-

amplitude to fit the signal between the

supply levels, thus avoiding clipping. This

change is made on the basis of two time

constants, attack and release, this permits

no dynamics loss in the first cycles and

avoids the "pumping" effect.

clipping situations, even when an excessi-

ve signal is applied to the amplifier and

protects the speakers against the high fre-

tion where excessive current through the

output terminals, continues to be conduc-

ted through the output devices, causing

excessive stress. This may still lead to fai-

lure of the output transistors and associa-

ted circuitry, depending on the nature and

Also, conventional current limiting systems

find it hard to differentiate between a direct

short circuit across the speaker terminals

This allows dynamic performance at relati-

vely higher current ratings in the case of

music, but much lower current values in

the case of a direct short circuit or exces-

sively low load impedance.