2. Introduction
The DCM-Lx amplifiers can be configured for stereo, parallel, bi-amped, or
bridged outputs. The DCM2004Lx quad amp also offers dual bi-amp and three-
or four-way outputs to power up to a 4-way speaker system with a single unit.
The System Quick Setup feature makes output routing and crossover
configuration easy. Loadable Speaker Presets tuned for specific CARVIN
speaker cabinets provide optimized settings to get the most out of each element
in your system. The DCM-Lx includes 30-band graphic EQ’s on each input, 4
parametric EQ’s on each output with high and low crossover filters; Bessel,
Butterworth or Linkwitz-Riley (6 to 48dB/oct.), Limiters with Threshold, Phase,
and Delays up to 120mS for distance or for individual driver alignments. Onboard
memory has enough storage for 16 complete system configurations with settings
for multiple loudspeakers and line arrays, or store unlimited configurations on
your laptop. Premium 24-bit A/D and D/A converters offer low noise with full 20-
20kHz bandwidth with extremely low latency processing.
FRONT PANEL & CONNECTING UP
The DCM-Lx front panel features a high-contrast 2x16 character display for
clear and easy navigation through settings. LEDs for Signal, 50%, 80%, Clip and
Protect monitor the status of the amp. Detented level controls prevent
unexpected level changes. Balanced XLR and TRS input connectors are used to
reject hum & noise. A Ground Lift switch removes the chassis ground from the
inputs. Outputs feature heavy duty binding posts and Twist-Lock connectors
allowing bi-amp routing on a single 4-pin cable with no adapters.
CONSTRUCTION
Every DCM-Lx amp is personally tested, which includes a full burn-in under
load.
Construction starts with a heavy duty 2U aluminum chassis and steel rackmount
face panel. All circuit cards are double-sided military-grade FR4 fire retardant
with plated thru holes so parts are soldered from the bottom side through to the
top. SMT (surface mount technology) offers high precision and “shock-proof”
protection. The CB and CE safety seal assure that each DCM meets strict
standards anywhere in the world.
HIGH POWER TOPOLOGY
The DCM-Lx’s high headroom reveals the dynamic power available from its
switch-mode power supply. Operating at 100,000 Hz, the highly efficient switch-
mode supply reduces AC power required from the wall, overall weight, and is AC
generator friendly. The soft-start prevents the DCM-Lx from tripping AC breakers.
Extreme currents are delivered to even the most demanding 2 ohm and bridged
4 ohm subwoofer systems easily handling the most difficult reactive loads. Class
D outputs deliver maximum power amp efficiency.
EFFICIENT COOLING
An important key to reliable power is a high efficiency heat transfer system.
CARVIN DCM-Lx amplifiers offer advanced cooling with high ratio 6063-T5 flow-
through aluminum heat sinks to remove heat fast and keep power devices within
thermal limits. Multi-speed fans pull air from the rear and exhaust to the front to
keep your rack cool and run quiet even at 2 ohm loads.
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