KRAMER 104M 1:4 Dynamic Microphone Distribution Amplifier

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.

INPUTS:    2 balanced stereo audio +4dBu, 100kΩ on terminal block connectors.
OUTPUTS:    8 (or 2 x 4) balanced stereo audio, +4dBu, 50Ω on terminal block connectors.
MAX. AUDIO OUTPUT:    20Vpp.
AUDIO BANDWIDTH (-3dB):    20kHz.
GAIN RANGE:    0.2 to 5.8dB (4 trimmers, 2 for each input channel).
S/N RATIO:    100dB/1V.
CROSSTALK:    -60dB@1kHz.
CONTROLS:    Front selector switches for 1:8 or 2x1:4 operation, 4 front accessible gain trimmers.
COUPLING:    AC (input), DC (output).
THD+NOISE:    0.02%.
POWER SOURCE:    230V AC, 50/60Hz (115V AC USA), 6.7VA.
DIMENSIONS:    22cm x 18cm x 4.5cm (8.7” x 7” x 1.8”) W, D, H (1/2 19”).
WEIGHT:    1.2kg (2.7lbs) approx.
ACCESSORIES:    Power cord.
OPTIONS:    RK-1 19" rack adapter.

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.

INPUTS:    4 unbalanced stereo audio, 1Vpp/33kΩ on 3.5mm mini jacks.
OUTPUTS:    4 unbalanced stereo audio, 1Vpp/220Ω typical on 3.5mm mini jacks.
MAX OUTPUT LEVEL:    5.2Vpp (+7dBu).
AUDIO BANDWIDTH (-3dB):    100kHz.
S/N RATIO:    90dB.
CROSSTALK:    -79dB @1kHz.
THD @1kHz:    0.018%.
2nd HARMONIC:    0.002%.
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.

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.

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“.