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INPUT: 1 unbalanced stereo audio, 1Vpp/50kΩ on a 3.5mm mini jack; 3 unbalanced stereo audio, 1Vpp/50kΩ on RCA connectors.
OUTPUTS: Stereo headphone on a 6.5mm connector; loudspeakers on a terminal block connector; automatic switching when a headphone is plugged in.
BANDWIDTH (-3dB): 20kHz.
S/N RATIO: 68dB unweighted.
CONTROL: Input selector switches: bass (70Hz.), mid (1kHz), treble (15kHz): +/-15dB; volume, balance, and loudness controls.
OUTPUT POWER: 4.5W RMS per channel into 4Ω @15V supply.
THD+NOISE: 0.059% @1kHz, 1V.
2nd HARMONIC: 0.025%.
POWER SOURCE: 12-15V DC, 22V max, up to 1A.
DIMENSIONS: 19cm x 13.5cm x 2.5cm (7.5” x 5.3” x 0.98”) W, D, H.
WEIGHT: 0.6kg (1.32lbs) approx.
ACCESSORIES: Power supply.
OPTIONS: RK-T2B 19" rack adapter.
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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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INPUTS: 1 unbalanced stereo audio 1Vpp/50kΩ on a 3.5mm mini jack; 3 unbalanced stereo audio 1Vpp/50kΩ on RCA connectors.
OUTPUTS: Stereo headphone on a 6.5mm connector; loudspeakers on a terminal block connector; automatic switching when a headphone is plugged in.
OUTPUT POWER: 2x10W (4Ω).
OUTPUT MUSIC POWER: 2x40W (4Ω).
BANDWIDTH (-3dB): 20kHz.
S/N RATIO: 77dB @1kHz.
CROSSTALK: -73dB @1kHz, all hostile.
CONTROLS: Input selector switches: bass (70Hz), mid (1kHz), treble (15kHz): +/-13dB; volume, balance and loudness controls.
COUPLING: AC.
AUDIO THD + NOISE: 0.5%.
AUDIO 2nd HARMONIC: 0.3%.
POWER SOURCE: 12V DC, up to 2.5A.
DIMENSIONS: 19cm x 13.5cm x 2.5cm (7.5” x 5.3” x 0.98”) W, D, H.
WEIGHT: 0.6kg (1.32lbs) approx.
ACCESSORIES: Power supply.
OPTIONS: RK-T2B 19" rack adapter.
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INPUTS: 8 video, 1Vpp/75Ω on BNC connectors; 8 unbalanced stereo audio on RCA connectors.
OUTPUTS: 1 video, 1Vpp/75Ω on a BNC connector; 1 unbalanced stereo audio on an RCA connector.
BANDWIDTH (-3dB): Video: 400MHz; audio: 100kHz.
SWITCHING SYSTEM: Mechanical, break-before-make.
CROSSPOINTS: 1 of 8.
SIGNAL LEVELS: Up to 3Vpp video, +30dBu audio.
DIMENSIONS: 19" x 7" x 1U W, D, H, rack mountable.
WEIGHT: 1.5kg (3.3lbs) approx.
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INPUTS: 4 balanced stereo audio +4dBu/50kΩ on XLR (F) connectors.
OUTPUTS: 20 balanced stereo audio +4dBu/50Ω on XLR (M) connectors.
MAX. OUTPUT LEVEL: 23.8Vpp.
BANDWIDTH (-3dB): >100kHz.
S/N RATIO: 89.3dB.
CROSSTALK: -78dB.
CONTROLS: Level (x4): -0.7dB to +5.1dB, mode selector switches.
COUPLING: AC (input); DC (output).
AUDIO THD + NOISE: 0.081%.
AUDIO 2nd HARMONIC: 0.006%.
POWER SOURCE: 230V AC, (115V AC USA), 15VA.
DIMENSIONS: 19" x 7" x 2U W, D, H, rack mountable.
WEIGHT: 3.5kg (7.7lbs) approx.
ACCESSORIES: Power cord, rack "ears“.
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INPUTS: 4 balanced stereo audio, +4dBu typical, on XLR connectors.
OUTPUT: 1 balanced stereo audio, +4dBu typical, on XLR connectors.
SWITCHING SYSTEM: Mechanical, break-before-make.
BANDWIDTH (-3dB): 100kHz (audio).
CROSSPOINTS: 4 x 2 for audio stereo.
SIGNAL LEVELS: Up to +30dBu.
DIMENSIONS: 15.3cm x 6.6cm x 7.6cm (6” x 2.6” x 3”) W, D, H.
WEIGHT: 0.57kg (1.27lbs) approx.
OPTIONS: RK-4X 19" rack adapter.
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