The 912 is a high-performance power amplifier for balanced or unbalanced stereo audio signals. Either input can deliver a speaker output of 8.4 watts RMS power per channel into a 4ohm load.

The 912 is a high-performance power amplifier for balanced or unbalanced stereo audio signals. Either input can deliver a speaker output of 8.4 watts RMS power per channel into a 4ohm load.

Inputs - 1 unbalanced stereo audio on RCA connectors, 1 balanced stereo on terminal block connectors.

Output - Speakers on 4-pin terminal block connectors.

S/N Ratio - 63dB balanced.

Volume Control - Selectable control knob or 10V external control on a terminal block connector.

Indicator LEDs - Power on, over-temperature warning.

Compact Kramer TOOLS - 3 units can be rack mounted side-by-side in a 1U rack space with the optional RK-3T rack adapter.

Specifications:

INPUTS: 1 unbalanced stereo audio 1Vpp/10Kohm on 2 RCA connectors; 1 balanced stereo audio +4dBu/10Kohm on a 5-pin removable terminal block.

OUTPUT: 1 stereo speaker output on a 4 pin removable large terminal block.

INPUT SENSITIVITY: Unbalanced: 440mVpp; balanced : 105mVpp.

OUTPUT POWER: 8ohm: 5.5W per channel; 4ohm: 8.4W per channel.

AMPLIFIER TYPE: Class D.

MAXIMUM VOLTAGE GAIN: Unbalanced: 32.6dB (x43); balanced: 36.2dB (x65).

BANDWIDTH (-3DB): >20kHz.

S/N RATIO: Unbalanced 60dB; balanced 63dB.

GAIN: 8ohm: unbalanced <-68 to 33dB, balanced -60 to 36dB; 4ohm: unbalanced -48 to 40dB, balanced -60 to 38dB.

COUPLING: Input: unbalanced DC (internal AC path), balanced AC; Output: DC.

AUDIO THD + NOISE: 8ohm: unbalanced 2.3%, balanced 2.5%; 4ohm: unbalanced 3.1%, balanced 4.3%.

AUDIO 2ND HARMONIC: 8ohm: unbalanced 1.4%, balanced 1.4%; 4ohm: unbalanced 2.7%, balanced 3.5%.

POWER SOURCE: 12V DC, 2.8A, full load 4ohm @10% THD+N.

DIMENSIONS: 12cm x 8.5cm x 2.5cm (4.7" x 3.4" x 1") W, D, H.

WEIGHT: 0.3kg (0.66lbs) approx.

ACCESSORIES: Power supply, mounting bracket.

OPTIONS: RK-3T 19” rack adapter.

110 Volts Only for use in USA