`` SPECIFICATIONS

Frequency Reponse (at 1 watt from 4-ohm tap): 100 Hz to 19 kHz +/- 1 dB.

Frequency Response (at line out): 20 Hz to 20 kHz +/- 1 dB.

Signal to Noise Ratio (ref. to rated power, master volume at minimum): 85 dB.

DC Output Offset: < ±5 mV.

THD: Less than 0.5% at rated power at 1 kHz.

Input Sensitivity (for full output at maximum gain): 800 mV.

Input Impedance (nominal): 100 kilohms.

Minimum Load Impedance:

100V output: 160 ohms.

70V output: 80 ohms.

4-ohm output: 4/8 ohms.

Crosstalk (all controls at “10”): –70 dB at 1kHz.

Load Impedance:

Ch. 1-4: 4 ohms and 70V/100V.

Ch. 5-6: 4 ohms.

AC Line Voltages Available:

100V 50/60 Hz

120V 60 Hz

220V 50/60 Hz

230V 50/60 Hz

240V 50/60 Hz

AC Voltage Tolerance: +10%/–20%.

Operating Temperature/Humidity: 0° C to 40°

Cat 95% relative humidity (non-condensing).Storage Temperature: –20° C to 85° C.

Front Panel Controls and Indicators

Power Switch: Pushbutton on-off switch.

Power Indicator: Blue LED indicates power on.

Output Signal Presence Indicator: Green LED, one for each output channel, illuminates when output signal level exceeds 100 mV (45 dB below full power) from the 4-ohm tap.

Clip Indicators: Red LED, one per output channel. Illuminates at threshold of audible distortion.

Volume Controls: One per output channel. Detented potentiometer with knob.

Tone Controls: Bass and Treble non-detented potentiometers on each channel. Bass ±10 dB at 100 Hz, Treble ±10 dB at 10 kHz.

Back Panel Controls and Connectors

Reset Switch: Resets the circuit breaker that protects the power supply. 220/230/240V units have a fuse instead.

Input Connectors: Detachable 3-pin Phoenix- type, high-impedance balanced, one per chan- nel.

AC Power Inlet: Detachable IEC.

Amplifier Outputs Connectors: One per channel, 4-position terminal strip with COM (Common), 4 ohms, 70V and 100V terminals for channels 1-4 and one 4-position terminal strip (4 ohms, + and – for each channel) for channels 5 and 6. Accepts up to 10 AWG termi- nal forks. Non-touch cover included.

VCA Connector: Each pair of channels has a 4- pin Phoenix-type connector for two VCA control lines of +10 VDC and ground. Compatible with Crown 1-VCAP and 4-VCAP modules.

Cooling

Convection cooled.

Protection

Current Limit Protection: Included.

Thermal Limit Protection: Over-temperature thermal cutout.

DC-Fault Load Protection: Included.

Turn On/Turn Off: No thumps or pops.

Included Accessories

Power cord Detachable rack ears Screws for rack ears

Non-touch cover for output connectors Phoenix-type connectors

Spade lugs

Optional Accessories

1-VCAP remote volume control for one channel. 4-VCAP remote volume control for four chan- nels.

Dimensions

EIA Standard 19-inch (48.3-cm) rack mount width (EIA RS-310-B) with rack ears, 3.5-inch (8.9-cm) height and 12.2-inch (31.0-cm) depth behind the mounting surface (not including non- touch cover). 4.1 inches (10.5 cm) high includ- ing feet. 13.9 inches (35.2 cm) deep from front

of knobs to back of non-touch cover.

Weight

Net Weight:

30.3 lb (13.7 kg)

Shipping Weight:

35.3 lb (16.0 kg)

Regulatory Certifications

11/08

139754-1B

 

 

COMMERCIAL AUDIO

The Crown® 660A is a very flexible, high-value six-channel amplifier for commercial and industrial audio. It provides 4-ohm and constant-voltage outputs (70V and 100V) on channels 1 through 4, and 4-ohm outputs on channels 5 and 6. The 660A is a part of Crown’s Commercial Audio Series, which also includes mixers and mixer-amps. These low-cost units provide all necessary features in a simple

building-block format.

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Crown CTS 2000, CTS 3000 manual Crosstalk all controls at 10 -70 dB at 1kHz Load Impedance, AC Voltage Tolerance +10%/-20%
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CTS 600, CTS 1200, CTS 2000, CTS 3000 specifications

Crown, a leading name in material handling equipment, has developed the Crown CTS series, which includes the CTS 3000, CTS 2000, CTS 600, and CTS 1200 models. Each of these rugged machines is designed to enhance productivity and efficiency in various warehouse and distribution applications, integrating innovative technologies and robust features.

The Crown CTS 3000 is the flagship model in this series, designed for high-demand environments that require exceptional lifting capability. It boasts a powerful AC drive system that offers superior acceleration and speed control, providing operators with smooth and responsive handling. The heightened visibility from the operator's compartment minimizes blind spots, enhancing safety and efficiency during operations. The CTS 3000 also features advanced battery management technology, allowing for prolonged operation and minimal downtime.

Next in line is the Crown CTS 2000, which is tailored for a range of medium-duty applications. While its lifting capacity is slightly lower than the CTS 3000, it incorporates many similar functionalities. It features a user-friendly control interface, making it easy for operators of any skill level to manage tasks efficiently. The robust design ensures reliability and durability, making it an excellent choice for businesses that require consistent performance under moderately demanding conditions.

The Crown CTS 600 model is specially designed for light-duty operations. Ideal for shorter runs and smaller spaces, the CTS 600 is compact and maneuverable without compromising on performance. It comes equipped with advanced safety features, including an integrated operator presence system that ensures safe operation. The model’s light weight also translates into better battery efficiency, making it a cost-effective option for businesses seeking to optimize their operational expenses.

Lastly, the Crown CTS 1200 is a versatile model that strikes a balance between power and agility. It is particularly suitable for environments where space is at a premium. The CTS 1200 is engineered for versatility, allowing it to handle a variety of loads with ease. It features intuitive controls and exceptional ergonomics, contributing to operator comfort during long shifts. This model also emphasizes energy efficiency and reduced environmental impact through its advanced power management system.

In summary, the Crown CTS series offers a range of models catering to varying operational needs, from high-demand environments with the CTS 3000 to the space-saving capabilities of the CTS 600. Each model is built upon a foundation of advanced technologies that promote safety, efficiency, and productivity, making them indispensable tools in today's material handling landscape.
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