KRAMER VM-54A 1:54 Balanced Stereo Audio Distribution Amplifier

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:    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.

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.

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.

INPUTS:    5 unbalanced stereo audio, 1Vpp/50kΩ on RCA connectors.
OUTPUT:    1 unbalanced stereo audio, 1Vpp/100Ω on RCA connectors.
MAX AUDIO OUTPUT:    3Vpp.
AUDIO BANDWIDTH (-3dB):    100kHz.
GAIN RANGE:    60dB (via underside accessible trimmers).
AUDIO S/N RATIO:    Better than 78dB.
CONTROL:    5 front panel buttons, contact closure via the link connector.
THD:    Less than 0.08%.
POWER SOURCE:    12V DC, 100mA.
DIMENSIONS:    16.5cm x 12cm x 4.5cm (6.5” x 4.7” x 1.8”) W, D, H.
WEIGHT:    0.62kg (1.4lbs) approx.
ACCESSORIES:    Power supply.
OPTIONS:    RK-1 19" rack adapter.