Kramer Electronics 903 user manual Technical Specifications

Technical Specifications

7	Technical Specifications
	Table 2: Technical Specifications1 of the 903 Personal Stereo Amplifier
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

1 Specifications are subject to change without notice

7