STEALTH ULTRA-LITE™ POWER AMPLIFIER
TECHNOLOGY
The STEALTH ULTRA-
LITE™ Power Amplifier is based on a new Power Amplifier Technology
developed by ISP Technologies. The STEALTH ULTRA-
LITE™ uses ISP Technologies
patented
“Dynamic Current Amplifier Technology” (D-CAT) controlled by a new patent pending
“Adaptive Dynamic Amplifier Technology” which provides a novel Class H power amplifier
topology with improved efficiency and Dynamic Voltage Multiplication. This allows the
STEALTH ULTRA-
LITE™ Power Amplifier to operate on a low voltage19 volt DC power
adaptor and provide extremely high output voltage swing well in excess of the 19 volts DC.
The graph below shows the output voltage waveform and adaptive power supply rails. At low
power the STEALTH ULTRA-
LITE™ operates as a normal class A-B power amplifier. When
the output signal approaches the nominal 19 volt power supply rail, the Dynamic Adaptive
Amplifier Technology provides two functions: a dynamic multiplication or lifting of the power
supply rails and an adaptivly tracking power supply where the power supply rails will
continuously track the output signal within a fixed ratio. The net result is a class A-B power
amplifier with excellent sonic performance and very musical clipping charecteristics with greatly
increased power efficiency and higher output voltage swing.
STEALTH ULTRA-LITE™ POWER AMPLIFIER OPERATION
The STEALTH ULTRA-
LITE™ power amplifer is designed to operate like any other power
amplifier with a line level input signal. The STEALTH ULTRA-
LITE™ amplifier ships with an
external switch mode power adaptor, which connects to normal AC power. The supplied Power
Adaptor will operate between 100 VAC and 240VAC input and will connect to the STEALTH
ULTRA-
LITE™ Power connector providing 19VDC @ 7.9 amps output power for the STEALTH
ULTRA-
LITE™ . Do not attempt to power the STEALTH ULTRA-LITE™ with any other power
source than the one supplied from ISP Technologies. On power up, the STEALTH ULTRA-
LITE™ will mute all outputs for a Turn On time of approximatly 4 seconds. If power is
removed, the STEALTH ULTRA-
LITE™ will instantly mute the output before any audible pop
can occur. Connect the STEALTH ULTRA-
LITE™ into your system as shown below for Mono
operation. For high power rigs multiple STEALTH ULTRA-
LITE™ Power Amplifiers can be
used with multiple speakers
. NOTE:
The minimum load impedance allowed is 4 ohms. If lower
load impedance is used the STEALTH ULTRA-
LITE™ may shut down when the demand for
current exceeds the maximum allowed. If shutdown occurs check your speaker load
impedance.
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