Tascam CG-1000 Master Clock Generator For Professional Recording - Long & McQuade Musical Instruments
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Tascam CG-1000 Master Clock Generator for Professional Recording

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SKU: # 477412
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CG-1000

Your Price: $1,625.00 CDN

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The CG-1000 master clock generator is based on a high-precision OCXO (Oven Controlled Crystal Oscillator) with jitter management and glitch-free relocking for the best clock precision available.

The CG Series includes three distinct models tailored to different types of studios. The CG-2000 is designed for the needs of broadcasting and post production, the CG-1800 for small to large-scale video/audio synchronization systems, and the CG-1000 for recording studios, live sound applications and professional musicians.

The crystal oscillator is the heart of the clock generator. In each model of the CG Series, an OCXO (oven-controlled crystal oscillator) is used for its high precision, and the fact it is not influenced by the temperature of the environment. Boasting a clock frequency precision of 0.01 ppm*1, which exceeds that of a TCXO (temperature-compensated crystal oscillator), this unit is key in the creation of high-precision synchronization systems - with word output frequency stability of 0.005ppm or less per day.

The CG-2000 is equipped with an external input connector that supports a 10MHz signal. This allows it to be connected to a rubidium clock or GPS clock for even higher precision.
External clock jitter is reduced using an original TASCAM circuit design that incorporates a high-performance video clock generator engineered with a FPGA*2 and a PLL (phase-locked loop) circuit with a discrete filter. This enables a stable clock signal to be provided to the video/word outputs - improving system stability. The glitch-free relock circuit prevents noise and skipping sounds caused by master clock dropouts.

In addition to (12) word clock outputs and (4) video outputs, the digital outputs include (2) AES3/AES11 and (2) S/PDIF outputs, making this unit useful for large-scale audio/video synchronization systems, and a wide variety of other applications. Of the (12) word outputs, two also support x2Fs, x4Fs and 256Fs output - enabling them to be used in systems with ProTools and other DAW software.

The CG Series has multiple functions to support maintenance, and the identification of issues if problems occur. The analyzer function measures output device termination, input level measurement (for CG-2000 and CG-1800), and the measurement of input frequencies. These built-in features enable the devices to provide troubleshooting support. Additionally, a logging function enables issues to be listed, and saved to a CSV file format on a USB flash drive.
Since crystal oscillators change over time, regular calibration is necessary. In order to avoid possible sync problems, timely inspections along with regular maintenance is required. The CG Series has a self-correction function, enabling users to conduct maintenance using an external signal input*3 and simple operations.

Amphenol BNC connectors on the chassis use nuts for coupling making them very durable, Also, a single circuit board is used for each connector - providing excellent resistance to the twisting and pulling of cables, and the suppression of interference between connectors.

SPECS

WORD/EXT INPUTS
Connector: BNC
Input level: 0.5Vp-p to 5.0Vp-p
Input impedance: 75ohm/50ohm(75/50/OFF selectable by menu)
Supported frequencies:
WORD CLOCK: 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
ATOM: 10.0 MHz
GPS: 10.0MHz
Allowable frequency deviation+/-50ppm

AES3/11 INPUT
Connector: XLR-3-31(1:GND, 2:HOT, 3:COLD)
Input level: 0.2Vp-p to 10Vp-p
Input impedance: 110ohm
Format: AES11-2003, AES3-2003, IEC60958-4
Supported frequencies: 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
Allowable frequency deviation: +/-50ppm

CALIBLATION INPUT
Connector: BNC
Input level: 0.5 to 5.0 Vp-p
Input impedance: 50ohm(ON/OFF selectable by menu)
Supported frequencies
ATOM: 10.0 MHz
GPS: 10.0MHz, PPS

WORD OUTPUTS
Output level: 1.0Vp-p to 3.5Vp-p (adjustable in 0.5V steps by menu)
Output impedance: 75ohm
Supported frequencies:
32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
1/4xFs, 1/2xFs, 1xFs, 2xFs, 4xFs, 256xFs (Only OUTPUTS 11-12)

AES3/11 OUTPUTS
Connector: XLR-3-31(1:GND, 2:HOT, 3:COLD)2(1-2)
Output level: 2.5Vp-p
Output impedance: 110ohm
Format: AES11-2003, AES3-2003, IEC60958-4
Supported frequencies: 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz

S/PDIF OUTPUTS
Connector: RCA pin jacks 2(1-2)
Output level: 0.5Vp-p
Output impedance: 75ohm
Format: iEC60958-3

USB A data transfer use by a USB flash drive
Connector: 4-pin type B
Protocol: USB2.0 High Speed (480Mbps)
Power supply rating: DC5.0V, 0.2A

Internal oscillator performance
TYPE: OCXO
frequency accuracy: +/-0.01ppm(factory default value)
frequency stability: +/-0.005ppm / day

Power: AC100V to 240V, 50/60Hz

Power consumption: 10W

Dimensions (W x H x D): 483 x 45 x 310 mm

Weight: 3.1kg

Operating temperature range: 0 degC to 40 degC

Included accessories: Power cords, rackmounting screw kit, operation manual (with warranty)
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