Kramer 903 Lydforsterker

4x1 Personal Stereo Audio Amplifier & Switcher (10W/Channel)

 

The 903 is a high-performance integrated personal stereo amplifier for unbalanced stereo signals. It allows selection between four inputs and delivers a speaker output of 10 watts RMS power per channel into a 4Ohm load.

 

S/N Ratio - 68dB (unweighted).

Highly Efficient - Class D operation.

Input - 3 stereo on RCA connectors and a single 3.5mm stereo mini-plug.

Output - 1/4" headphone jack and terminal block for speakers.

Control - Volume, bass, mid, treble, balance, and loudness.

Compact MegaTOOLS® - 2 units can be rack mounted side-by-side in a 1U rack space with the optional RK-T2B rack adapter.

 

INPUTS: 1 audio stereo 1Vpp/50k? on 3.5mm mini jack connector; 3 audio stereo 1Vpp/50k? 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 (4Ohm).
OUTPUT MUSIC POWER: 2x40W (4Ohm).
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: 12V DC power supply.
OPTIONS: RK-T2B 19" rack adapter.