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INPUTS: 1 unbalanced stereo audio, 1Vpp/50kΩ on RCA connectors; 1 mono microphone, 5mV/3.2kΩ (condenser) 4.8kΩ (dynamic) with a type selector, on a 6.5mm phone jack.
OUTPUTS: Unbalanced stereo audio 2W/4Ω per channel on both 3.5mm mini jack and 4-pole detachable terminal block speaker output.
MAX. OUTPUT LEVEL: 8Vpp at Hi-Z load (headphones).
BANDWIDTH (-3dB): 37kHz.
S/N RATIO: 74dB.
CONTROLS: Input selector switch, bass +/-10dB @100Hz, treble +/-12dB @10kHz, volume, balance.
COUPLING: AC.
AUDIO THD + NOISE: 0.04%.
AUDIO 2nd HARMONIC: 0.24%.
CROSSTALK: -60dB @1kHz, 20kHz.
POWER SOURCE: 12V DC, 60mA.
DIMENSIONS: 12cm x 7.5cm x 2.5 cm (4.7” x 2.95” x 0.98”) W, D, H.
WEIGHT: 0.3kg (0.66 lbs) approx.
ACCESSORIES: Power supply, mounting bracket.
OPTIONS: RK-3T 19" rack adapter.
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The Central Station is the ultimate studio-monitoring interface for the modern digital studio. The Central Station features three sets of stereo analog inputs to switch between input sources such as: DAW, mixer, CD/DAT/Tapeplayer, or keyboards/samplers. Two stereo analog inputs feature TRS balanced and the third stereo input features RCA inputs with trim control for level matching of input signals. In addition, the Central Station will accommodate two digital inputs via S/PDIF or TOSLINK providing D/A conversion up to 24Bit/192kHz. This allows you to monitor DAW and CD/DAT outputs through the same professional quality converter for the most accurate A/B comparison and highest quality monitoring environment. The digital to analog converter offers the highest possible audio quality with over 117dB dynamic range and ultra high quality analog circuitry. The Central Station features three sets of monitor outputs, each with their own set of passive trim controls. The monitoring section also provides MUTE, DIM and MONO switches. In addition, the Central Station includes a set of CUE outputs that can feed headphone amplifiers and a separate stereo MAIN line level output.
Technical Specifications
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Audio Inputs
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TRS1&2
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Type
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¼” TRS Passive-Balanced
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Input Impedance
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2K-5K Ohm (Speaker load and Trim level dependent)
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S/N Ratio
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Greater than 140dB
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THD+N
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Less than .0005% (1KHz @ 0dBu)
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Frequency Response
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Greater than 1MHz
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AUX
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Type
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RCA Active-Unbalanced
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Input Impedance
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8Kohm
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S/N Ratio
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Greater than 115dB (1KHz @ 0dBu, Unity gain)
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THD+N
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Less than .002% (1KHz @ 0dBu, Unity gain)
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Frequency Response
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10Hz-50KHz, -.5dB
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Gain Range
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-90dB to +20dB
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S/PDIF
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Types
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RCA 75Ohm-coax and Toslink optical
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Dynamic Range
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117dB
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THD+N
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0.0025% (1KHz @ -1dBfs)
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Maximum output
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+18dBu (Active-Balanced)
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Sample Rates
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44.1K, 48K, 88.2K, 96K, 176.4K, 192K
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Audio Outputs
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Speakers
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Type
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¼” TRS Passive-Balanced
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Type-Mono Activated
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¼” TRS Active-Impedance Balanced
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Trim Range
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-90dB to 0dB
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Main Level Range
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-90dB to 0dB
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Dim Attenuation
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-30dB
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Main
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Type
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¼” TRS Active-Balanced
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Output Impedance
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51Ohm
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THD+N
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Less than 0.0025%
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Frequency Response
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10Hz-50KHz, -.5dB
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Cue
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Type
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¼” TRS Active-Impedance Balanced
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Output Impedance
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51Ohm
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THD+N
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Less than .003% (1KHz @ 0dBu)
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Frequency Response
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10Hz-50KHz, -.5dB
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Gain Range
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-90dB to 0dB
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Dim Attenuation
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-30dB (Talkback activated)
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Headphones
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Type
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¼” TRS Active Stereo
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Maximum Output
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150mW/channel @ 60 Ohm load
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THD+N
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0.015% (150mW/channel @ 60 Ohm load)
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Frequency Response
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10Hz-50KHz, +1dB
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Physical
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Main Chassis
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Package Type
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1U - steel chassis
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Dimensions
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19(W) X 1.75(H) X 5.50(D) inches
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Weight
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5.0lbs
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External Power Supply
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Package Type
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Molded Plastic
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Dimensions
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2.5(W) X 2.3(H) X 4.0(D) inches
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Weight
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2.5lbs
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INPUT: 1 mono microphone, 5mVpp/10kΩ on a 6.5mm phone jack.
OUTPUTS: 4 mono line level, 1Vpp/150Ω on 6.5mm phone jacks.
MAX. OUTPUT LEVEL: 4.8Vpp.
AUDIO BANDWIDTH (-3dB): 37kHz.
GAIN CONTROL: 5dB to 54dB.
S/N RATIO: 78dB.
THD @1kHz: 0.1%.
POWER SOURCE: 12V DC, 20mA.
DIMENSIONS: 12cm x 7.5cm x 2.5cm (4.7” x 2.95” x 0.98”) W, D, H.
WEIGHT: 0.28kg (0.62lbs) approx.
ACCESSORIES: Power supply, mounting bracket.
OPTIONS: RK-3T 19" rack adapter.
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INPUTS: 8 unbalanced stereo audio, on RCA type connectors.
OUTPUT: 1 unbalanced stereo audio, on RCA type connectors.
SWITCHING SYSTEM: Mechanical, break-before-make.
CROSSPOINTS: 1 of 8.
SIGNAL LEVELS: Up to +30dBu.
BANDWIDTH(-3dB): 25kHz.
DIMENSIONS: 18.8cm x 10.2cm x 4.4cm (7.4” x 4” x 1.7”) W, D, H.
WEIGHT: 0.64kg (1.4lbs) approx.
OPTIONS: RK-81 19” rack adapter.
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INPUTS: 1 digital audio AES-3id on a BNC connector;1 S/PDIF digital audio on an RCA connector; 1 TOSLINK® optical;1 balanced digital audio AES/EBU on a detachable terminal block;1 twisted pair on a detachable terminal block.
OUTPUTS: 1 digital audio AES-3id on a BNC connector;1 S/PDIF digital audio on an RCA connector;1 TOSLINK® optical;1 balanced digital audio AES/EBU on CAT 5 on a detachable terminal block;2 twisted pairs on detachable terminal blocks.
SAMPLING: 32, 44.1, 48, 96, 192kHz sampling frequencies.
STANDARDS: IEC 60958, S/PDIF, EIAJ CP1201 and AES/EBU interface standards, as well as multi-channel standards.
CONTROL: Input select, local or twisted-pair selector, system bit selector.
POWER SOURCE: 5V DC, 60mA.
DIMENSIONS: 12cm x 7.5cm x 2.5cm (4.7" x 2.95" x 0.98“) W, D, H.
WEIGHT: 0.25kg (0.6lbs) approx.
ACCESSORIES: Power supply, mounting bracket.
OPTIONS: RK-T3 19” rack adapter.
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INPUTS: 2 balanced stereo audio +4dBu, 50kΩ on detachable terminal blocks.
OUTPUTS: 10 (or 2x5) balanced stereo audio +4dBu, 50Ω on detachable terminal blocks.
AUDIO BANDWIDTH (-3dB): >100kHz.
MAX. AUDIO OUTPUT: 18Vpp.
GAIN RANGE: 0.5dB to +9.5dB (4 trimmers, 2 for each input channel).
AUDIO S/N RATIO: 92dB @1Vpp.
CROSSTALK: -84.5dB.
CONTROL: Front selector switch for 1:10 or 2x1:5 operation, 4 front accessible gain trimmers.
COUPLING: AC (input), DC (output).
THD: 0.011% at 1kHz.
2ND HARMONIC: 0.003%.
POWER SOURCE: 230V AC, (115V AC USA), 21VA.
DIMENSIONS: 19" x 7" x 1U W, D, H, rack mountable.
WEIGHT: 2.6kg (5.7lbs) approx.
ACCESSORIES: Power cord.
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