Archive- DCM3000L Ultra Light Linear 3000W Power Amp

      Carvin Amplifier Design 

      DCML User Manual

If you want an amp that delivers exceptional sound/reliability, ultra-light weight, models from 200w to 3800w and made in the USA quality, Carvin's DCM-L Series is the answer. You should seriously consider the ultra-light feature, which comes in part from its heavy-duty aluminum frame. Aluminum is more expensive than steel, but worth every penny to keep your rack as light as possible. Expect 2/3 to 3/4 savings over conventional amplifiers - 50 lb to 60 lb amps becomes 15 lbs. High power, uncompromised sound and maximum reliability is at its best for both touring systems and fixed installations. Each amp is Audio Precision™ tested, which includes a burn-in under full load to assure reliability & specs. The concert stage is the ultimate test of professional audio and for the last decade the DCM has made its mark serving top artists and concert venues night after night, year after year. The DCM is a proven American made workhorse backed by over 60 years of manufacturing excellence. 

DCM3000L Features
- Ultra-light 15 lbs
- Highest value, lowest priced lightweight amp
- Power supply designed for superior bass
- Go "Green" - save energy and cost
- Quiet hum-free operation with noise less than -106dB for studio applications
- Ultra-low THD: 0.03% at 8 ohms
- Handles difficult mismatched or reactive loads
- Soft-start power-up prevents tripping AC breakers
- Speaker Guard™ protects from harmful DC
- Multi speed fans - rear to front fl ow for cooler racks
- Distortion-free limiters to help protect drivers
- Independent thermal overload protection
- Recessed front to prevent control damage
- Percentage of power, clip, bridge, protect and power indicators
- Balanced XLR and 1/4" TRS inputs
- Speakon™ & Binding Post outputs
- Convenient Ground Lift & Parallel Input switches
- Shock-proof SMT reliability
- Heavy-duty galvanized steel chassis
- Fit all racks - only 266mm (10.5-inch) deep
- Full 3-year warranty (USA) - Made in the USA 

Applications: Mains/Monitors/Subwoofers, Concerts, Events, Houses of Worship, Clubs/Restaurants, Auditoriums, Convention Centers, Mobile DJs 

SERIOUS POWER - The CLASS A/B linear topology features high current bipolar output devices that reduce distortion to a near theoretical zero limit while delivering high slew rate performance for crystal clear highs and chest pounding bass - every note is vibrant, pure and natural. The DCM's headroom reveals its high dynamic power from the Switchmode power supply that operates at 130,000 Hz. Extreme currents are delivered to the most demanding subwoofer system, which are driven under 4 ohm bridge - 2 ohm operation. Every DCM easily handles the most difficult mismatched or reactive loads and is AC generator friendly. 

COOL EFFICIENT DESIGN - A high efficiency heat transfer system offers the most advanced cooling, which is one of the keys to reliable power. Five high ratio 6063-T5 flow-through aluminum heat sinks remove heat fast with multi-speed fans that runs quiet under 2 ohms loads. Air is pulled from the rear and exhausted to the front to keep the rear of your rack cool. R & D designed a "direct mount" system for the power output devices to be directly mounted to the heat sink, which eliminates any thermal barrier to keep your amp running cool. 

ACCESSORY GROUP - The accessory group features recessed front controls with status indicators that won't get bumped or easily moved. A rear "Ground Lift" switch eliminates ground loops. A "Parallel Input" switch eliminates the "Y" adapter typically used for paralleling channels. The mono "Bridge" switch delivers the full power of the amp (both channels) into one output. The limiters are available at the push of a button to help control peaks protecting your drivers. Connecting is done with balanced XLR and 1/4" TRS inputs. The soft-start circuit gently turns the DCM on to prevent AC breakers from tripping.

FEATURES 
- Built-in limiters help protect drivers
- LED indicators: power, clip, 3 levels, protect, bridge 
- Balanced XLR and 1/4" inputs
- Twist-Lock output connectors
- 3rd Twist-Lock connector for bridging
- Heavy-duty output binding posts 
- Rear switches: bridging, limiter, channel paralleling, ground lift
- Recessed knobs offer better protection against damage
- Each amp is Audio Precision™ tested, which includes a burn-in under full load

SPECIFICATIONS 

OUTPUT POWER
1 CHANNEL RMS continuous
- 8 ohms: 600 watts
- 4 ohms: 1025 watts
- 2 ohms: 1650 watts
BOTH CH RMS continuous
- 8 ohms: 550/550 watts
- 4 ohms: 950/950 watts
- 2 ohms: 1500/1500 watts
BRIDGED RMS continuous
- 8 ohms bridged: 1900 watts
- 4 ohms bridged: 3000 watts

Peak Power: 4000w (2 cycle pulse power) 

- Frequency Response: +-.5 dB 20 Hz - 20 kHz
- THD< 0.03% @ 50% output, <.1% 20-20 kHz @ 90% output
- Output Topology: CLASS A/B
- Power Supply: Switchmode - 60% reserve - see kick drum test
- Damping Factor: >500
- Slew Rate: bridged mode >50v/µs
- Sensitivity (@ 8Ω): 1.4 Vrms
- Signal to Noise Ratio: Greater than 106 dB
- Input Impedance: >20K ohm balanced
- Speaker Guard™ DC protection for drivers
- Soft-start power-ups: prevents AC breakers from tripping
- Over-Current: protected
- Under-Voltage: protected
- Thermal: protected
- Fan: variable speed
- Shock-proof SMT construction
- FR4 fire retardant circuit boards
- Aluminum chassis
- Air Flow - "rear to front" for cooler rack
- AC generator friendly
- AC Input: 120VAC 60HZ
- Fuse: 25 amps
- 2RU rackmount 
- Dim: 19" (48cm) W x 10.5" (26.6cm) D x 3.5" (9cm) H
- Weight: 14 lbs (6.4kg)
- Made in the USA 
- 3 year warranty