CRESTAUDIO CA 12 2X1200W POWER AMPLIFIER

CA 12

The CA12 professional power amplifier is designed to achieve unsurpassed sonic performance
and long-term reliability--even when operating under extreme stress--in touring or fixed installation
applications.
Application
The CA? series provides tremendous value in proven amplifier technology.CAs form the backbone
of discriminating rental systems and high-power club installations worldwide.
Auditoriums, churches, regional tour sound companies and mobile DJs are all ideal candidates for
the CA Series? combination of value and sonic quality.
Design Focus
The CA Series design provides economical access to the premium sound quality of the Crest Audio
Pro Series.
Professional power-handling capabilities and exceptional low-end response make this amplifier an
ideal choice for installations and touring applications that demand the finest audio quality.  

FEATURES:
8 Ohm Stereo - 700 W
4 Ohm Stereo - 1200 W
2 Ohm Stereo - 1400 W
8 Ohm Bridged - 2400 W
4 Ohm Bridged - 2800 W
Legendary over-built power supply
Toroidal power transformer
Latest generation of high-speed, wide-bandwidth output devices
Twin-tunnel cooling with back-to-front air flow
Dual, rear-mounted, continuously variable-speed fans
Balanced male and female XLR inputs with switch-configurable XLR polarity
and sensitivity selection
Speakon? or five-way binding post output connectors (market dependent)
Stereo, parallel, bridged-mono mode selector switch
Ground-lift switch
Front panel circuit-breaker switch
Recessed, stepped attenuators
SIGNAL present/active, PROTECT, and ACL LED's
Modular construction
Powder-coated steel chassis
Five-year warranty
Dimensions 19" W x 5.25" H x 15" D
(483 mm x 134 mm x 381 mm)
Weight 67 lbs. (31 kg)

Power Rating

Stereo Mode:
8Ω EIA 1 kHz 1% THD - 800W
4Ω EIA 1 kHz 1% THD - 1250W
2Ω EIA 1 kHz 1% THD - 2000W


Bridged Mono:
8Ω EIA 1 kHz 1% THD - 2600W
4Ω EIA 1 kHz 1% THD - 4000W

Damping Factor     Not Specified By Manufacturer
Input Sensitivity     26dB Setting - 3.92V
32dB Setting - 1.96V
Input Impedance     > 10kΩ balanced, or unbalanced
Gain     36.4dB
Frequency Response     20Hz to 20kHz, +/- 0.2dB
Signal-to-Noise Ratio     -105dB
Total Harmonic Distortion (THD)     0.02% @ 2Ω
0.005-0.01% @ 4Ω
0.002-0.01% @ 8Ω
Input Connections     Input: XLR Male, XLR Female and 3-pin detachable terminal blocks (1 each per channel)
DataPort: HD-15, input signal in parallel with XLR input connectors
Output Connectors     Output: Neutrik Speakon (ch 1 wired to both channels) and 5-way binding posts
Controls Front Panel     AC Power Switch
Gain Controls, 21 detents, 1 dB steps (each channel)
Controls (Rear)     Input Mode: Bridge (Yellow), Stereo (Green), or Parallel (Orange)
Gain / Sensitivity: 26dB (Orange), 32dB (Green), or 1.2V (Yellow)
High Pass (each channel): 3Hz (Off), 30Hz (Yellow), or 50Hz (Orange)
Clip Limiter (each channel): Off, On (Yellow)
Indicators     Clip Limiter (each channel): Off, On (Yellow)
Camera Resolution     Flow-thru air path and solid aluminum heat sinks
Power Consumption     120V 50/60Hz - 12A
230V 50Hz - 7A
Power Requirements     Not Specified By Manufacturer
Dimensions (WxHxD)     19 x 3.5 x 15.63" (48.3 x 8.9 x 39.7cm)
Weight     33.5 lbs (15.2kg)
Specialties     Parallel Dataport, XLR/M and XLR/F connectors for simple loop-through connectivity

Electro-Voiceʼs new Precision Series Compact amplifiers offer proven Precision Series performance and reliability in a new compact, lightweight format made possible by a highly efficient Class-H design, which generates considerably less heat. The CP3000S is not only the first Precision Series amplifier to use a switch-mode power supply, but also the first switch-mode amplifier with EVʼs Precision Series sound. With up to 2x1600 watts into two ohms, and 2x1100 watts into four ohms, and only 17.96 lbs (8.15 kg it is both powerful and lightweight.

1U Panel w/ 8 XLRM + 8XLRF 2Amplifier Gain    32 dB
Continuous Rated Power
(1 kHz, THD 1%) 2Ω    1600 Watts
Continuous Rated Power
(1 kHz, THD 1%) 4Ω    1100 Watts
Continuous Rated Power
(1 kHz, THD 1%) 8Ω    600 Watts
Continuous Rated Power
(20-20 kHz, THD

Crown DSi 4000 2x1200W-4Ω Power Amplifier

The Crown? DSi 4000 power amplifi er shall be a solid-state two-channel model
with a switch-mode universal power supply. A rear-panel HD-15 connector shall
provide input/output connectivity between the DSi amplifi er and the DSi-8M
System Monitor.
The outputs shall be usable as stereo or bridged-mono modes of operation.
The bridged-mono mode shall bridge the outputs to provide increased output
voltage.
Front panel controls and indicators shall include the following:
Level: Detented rotary level control, one per channel.
Power Switch: On/off switch applies AC power to the amplifi er.
Sel/Prev/Next Buttons: Three buttons near the LCD screen shall be used to
access menu items and front panel lockout.
LCD Screen: Backlit liquid crystal display shows speaker presets and signal
processing.
Signal Indicator: Green LED, one per channel, illuminates when a very low-level
signal is present at input.
?10 Indicator: Green LED fl ashes when output signal exceeds ?10 dB below
clip.
?20 Indicator: Green LED fl ashes when output signal level exceeds ?20 dB
below clip.
Ready Indicator: Green LED, one per channel, illuminates when the amplifi er is
ready to produce audio.
Clip Indicator: Red LED, one per channel, turns on at the threshold of audible
distortion.
Temp Indicator: Red LED, one per channel, illuminates under excessive temperature
conditions.
Power Indicator: Blue LED illuminates when the amplifi er has been turned on
and has power.
Rear panel controls and connectors shall include the following:
AC Line Connector: NEMA 5-15P (15A).
Input Connector: Two 3-pin removable Phoenix-type connectors each accept a
balanced line-level input signal.
Output Connectors: 4-position barrier strip with connectors for dual louspeakers
or bridge-mono loudspeaker.
HiQnet USB Connector: Type B, connects to a HiQnet network.
HD-15 Connector: For cinema I/O compatibility with DSi-8M System Monitor.
The amplifi er shall have the following specifi cations:
Output Power: 2 ohm Stereo (per channel): 1,600W with 1% THD, 4 ohm
Stereo (per channel): 1,200W with 0.5% THD, 8 ohm Stereo (per channel):
650W with 0.5% THD, 4 ohm Bridge-Mono: 3,200W with 1% THD, 8 ohm
Bridge-Mono: 2,400W with 0.5% THD.
Voltage Gain at 1kHz, 8 ohm rated output: 26 dB.
Frequency Response: +0/?1 dB from 20 Hz to 20 kHz at 1 watt into 4 ohms.
Load Impedance: Safe with all types of loads. Rated for 2 to 8 ohms in Stereo
mode, 4 to 16 ohms in Bridge-Mono mode.
Sensitivity at 8 ohm rated output: 3.61V.
Sensitivity at 4 ohm rated output: 3.47V.
Sensitivity at 2 ohm rated output: 2.84V.
Signal to Noise Ratio (below rated 8-ohm power at 1 kHz): 105 dB
(A weighted).
Damping Factor: Better than 500 from 20 Hz to 500 Hz.
Crosstalk: > 70 dB below rated power, 20 Hz to 1 kHz.
Input Stage: Input is electronically balanced and employs precision 1% resistors.
Input Impedance (nominal): 20 k ohms, balanced;10 k ohms, unbalanced.
Maximum Input Signal: +22 dBu typical.
AC Line Voltage and Frequency Confi gurations Available: 100V, 120V, 220-240V,
50/60 Hz.
AC Line Current: 8.0A.
At Idle: Draws no more than 90 watts.
Operating Temperature: 0° C to 40° C at 95% relative humidity (non-condensing).
The DSP section shall have the following specifi cations:
Input EQ: 6 parametric fi lters per channel with adjustable Q, ±15 dB boost/cut.
Also adjustable high and low shelving fi lters. This 8-fi lter EQ section can be
bypassed.
Crossover Filters: Highpass and lowpass per channel. Butterworth 6/12/18/24
dB per octave, Linkwitz-Riley 24/48 dB per octave. Also includes ±15 dB bandpass
gain and polarity control.
Output EQ: 8 parametric fi lters per channel with adjustable Q, ±15 dB boost/cut.
This 8-fi lter EQ section can NOT be bypassed. Filters are enabled individually.
Output Limiter: Prevents clipping and protects loudspeakers. Choice of ?3, ?6,
or ?12 dB threshold per channel.
Delay: Up to 50 msec total delay per channel.
Presets: 20 presets. One is ?DSP OFF.? Fifteen are factory-set for JBL Cinema
systems. Four are user-defi nable.
Protection shall include the following:
DSi-Series amplifi ers shall be protected against shorted, open or mismatched
loads; overloaded power supplies; excessive temperature; chain destruction
phenomena; excessive output current, and input overload damage. They also
protect loudspeakers from input/output DC, large or dangerous DC offsets and
turn-on/turn-off transients
The chassis shall be steel. Cooling shall be by a proportional speed fan with
front-to-rear airflow.
Dimensions shall be EIA Standard 19-in. rack mount width (EIA RS-310-B), 3.5
in. (8.9 cm) high and 12.25 in. (31.11 cm) deep behind mounting surface.
Net weight shall be 19 lb (8.6 kg). Shipping weight shall be 22 lb (10.0 kg)
The amplifier shall be designated the Crown DSi 4000.

The new flagship of the LX series delivers a mighty 2 x 2100 watts into 2 ohms and 2 x 1500 watts into 4 ohms and therefore has plenty of headroom for large subwoofer arrays. For decades, DYNACORD has been one of the leading manufacturers in the pro audio sector and has established a secure position in the amplifier market thanks to the excellent audio performance,absolute reliability and high stability of the Linear Precision series. With their outstanding operational security, which guarantees years of problem-free use, the amplifiers of the Linear Precision series are now the standard for a wide variety of full-range and multi-way loudspeakers systems in professional venues as diverse as theatres, stadiums, discotheques, clubs and concert halls. Datasheets / ManualsManual (2.2MB)

Load Impedance 2 O, 4 O, 8 O Max. Midband Output Power, THD = 1%, 1kHz 2 O - 2100 W, 4 O - 1500 W, 8 O - 900 W Rated Output Power, THD 300 Slew Rate 38 V/µs Signal to Noise Ratio, A-weighted 108 dB Output Stage Topology Class H Power Requirements 100V, 120V, 220V, 230V, 240 V; 50Hz … 60Hz (factory configured) Power Consumption, 1/8 max. output power @ 4 ohms 1070 W Protection Audio Limiters, High Temperature, DC, HF, Back-EMF, Peak current Limiters Inrush Current Limiters, Turn-On delay Cooling Front-to rear, 3-stage fans Ambient Temperature Limits +5° … +40° ( 40°F … 105°F ) Safety Class I Dimensions ( W x H x D ) mm 483 x 88.1 x 384 Weight 8.70 kg (19.2 lbs) Optional Accessories Rear Rackmount 15.5" D112 930 (RMS15-CL), Rear Rackmount 18.0" D112 933 (RMS18-CL), LPN + Lo-Cut Filter D112963 (NRS 90268)