User's Manual

Technical Specifications
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7 Technical Specifications
Table 2: Technical Specifications
1
INPUTS:
of the 903 Personal Stereo Amplifier
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
1 Specifications are subject to change without notice