CRESTAUDIO PRO7200 2X1000W POWER AMPLIFIER

Pro 7200

Application
Designed with touring sound professionals in mind, the Crest Pro 200 Series power amplifiers
faithfully produce high power with low distortion in an extremely lightweight economical package.
Rock stable in stereo or bridged mode operation this series is engineered to exceed expectations,
when powering multiple or single loudspeaker enclosures down to a 2 ohm load.
The Pro 200 Series offer the protection that ensures safe & trouble free shows night after night.
Design Focus
The Pro 200 Series professional power amplifiers offer Crest's renowned sonic integrity while
providing exceptionally high power ratings (6500 W bridged on the Pro 9200) in a compact,
lightweight (under 25 lbs.) 2U package.
The Pro 200 Series amps feature Automatic Clip Limiting (ACL) to protect connected drivers;
IGM Impedance Sensing to accommodate varying impedance outputs; tunnel-cooled, high efficiency
heat sinksl and veriable-speed DC fans to limit the operating temperature and extend amplifier life.

FEATURES:
8 Ohm Stereo - 590 W
4 Ohm Stereo - 1000 W
2 Ohm Stereo - 1650 W
8 Ohm Bridged - 3400 W
Dramatically reduced net weight
Latest generation of high speed, wide-bandwidth output devices
Twin-tunnel cooling with back-to-front air flow
Dual, rear-mounted, continuous variable-speed fans
Balanced male and femal XLR inputs with switch-configurable XLR polarity
and sensitivity selection
Speakon? and five-way binding post output connectors
Ground-lift switch
Front panel circuit breaker switch
Modular construction
Five-year warranty
Dimensions 19" W x 3.5" H x 12.25" D
(483 mm x 89 mm x 312 mm)
Weight 21.8 lbs. (10 kg)

Crown DSi 2000 2x800W-4Ω Power Amplifier

The Crown? DSi 2000 power amplifier 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 amplifier 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 amplifier 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 amplifier shall have the following specifications:

Output Power: 2 ohm Stereo (per channel): 1,000W with 1% THD, 4 ohm

Stereo (per channel): 800W with 0.5% THD, 8 ohm Stereo (per channel) 475W

with 0.5% THD, 4 ohm Bridge-Mono: 2,000W with 1% THD, 8 ohm Bridge-

Mono: 1,600W 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: 3.09V.

Sensitivity at 4 ohm rated output: 2.84V.

Sensitivity at 2 ohm rated output: 2.24V.

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.

- Signal to Noise (20 Hz - 20 kHz): 100 dB
- Input Sensitivity: 1.2 Vrms
- Voltage Gain (8 Ohms): 34.4 dB
- Output Circuitry: 2-tier Class H
- Power Requirements: 6A
- Frequency Response: 20 Hz - 20 kHz, +0, 1 dB
- Dynamic Headroom (4 Ohms): 2 dB
- Damping Factor: 100
- Input Impedance: Greater than 20k (balanced)
- Maximum Input Level: +24 dB (16 Vrms)
- Input Connectors (each channel): 3-pin XLR and 1/4-inch TRS, balanced, parallel Phono, unbalanced
- Output Connectors (each channel): Speakon, 1/4-inch, Binding Posts
- Amplifier and Load Protection: Short circuit, open circuit, thermal, RF protection Load protected against DC faults
- Rear Panel Controls: Full Range / Crossover switch
- Dimensions (H x W x D): 3.5 x 19 x 10.1 inches (89 mm x 483 mm x 257 mm)
- Weight: 26 lbs (12 kg)

Front Panel Controls and Indicators:
- Gain controls, 21 detents
- Red Clip LEDs, proportional, 0.1% THD threshold
- Green Signal LEDs, threshold -35 dB
- Blue Power LED, AC on

Stereo Mode:
- 8 Ohms / both channels driven: 500 Watts
- 8 Ohms / single channel driven: 600 Watts
- 4 Ohms / both channels driven: 700 Watts
- 4 Ohms / single channel driven: 850 Watts

Distortion:
- 8 Ohms: less than 0.05%
- 4 Ohms: less than 0.1%

Dimensions and Weight in Packaging
Shipping Weight: 31 lbs
Shipping Dimensions: 24 x 15 x 7 in

A full model revision takes Yamaha's high-end PC-N power amplifiers to the next level - the PC-1N
Series. The new PC-1N Series amplifiers feature an extraordinarily solid low end, rich midrange,
and superbly defined highs. They also deliver fast response and exceptional stability even in the face
of serious power supply limitations. Refinements throughout this expanded five-model lineup make
these amplifiers the new benchmarks for quality, reliability, and versatility in professional applications.
Frequency Response: 10 Hz – 40 KHz. Output Power: 2 x 400 Watt / 8Ω RMS, 2 x 700 Watt / 4Ω RMS,
1400 Watt / 8Ω bridge RMS. Weight: 13 Kg.

- Power levels matched to the most popular speakers used by entertainers
- Optimized for maximum real-world headroom into 4 ohm and 8 ohm speaker systems
- Inputs: XLR, 1/4" TRS and phono input connectors for compatibility with any source
- Outputs: Speakon(R) combo accepts, 1/4" (TS) plugs or Speakon 2-pole and 4-pole plugs (connects 2 poles only). Binding posts support all other speaker wiring systems
- Minimum depth chassis (10.1“/257 mm) fits in compact, inexpensive effects racks
- Lightweight - GX7 is only 15.5 lbs (7 kg)
- Detented gain controls for precise setting and matching of sensitivity
- GuardRail(TM) automatically protects the amplifier and loudspeakers from damage due to temperature rise or overdrive without shutting down the show
- Front panel LEDs monitor Power, Signal and Clipping
- Subwoofer/Satellite crossover built-in
- 230V 16.5 lbs (7.5 kg)