4x1 Personal Stereo Audio Amplifier & Switcher (10W/Channel)
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By: Kramer
Video & Computer Signal Processing Solutions
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The 903 is a high-performance integrated personal amplifier for unbalanced stereo audio signals. The 903 allows selection between four inputs and delivers a speaker output of 10 watts RMS power per channel into a 4Ω load.
903 features include:
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High Efficiency - Class D operation.
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S/N Ratio - 77dB (unweighted).
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Control - Volume, bass, mid, treble, balance, and loudness.
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Compact MegaTOOLS® - 2 units can be rack mounted side−by−side in a 1U rack space with the optional rack adapter
→ Inputs |
1 unbalanced stereo audio 1Vpp/50Ω on a 3.5mm mini jack; 3 unbalanced stereo audio 1Vpp/50Ω 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 |
→ S/N Ratio |
77dB (unweighted) |
→ Highly Efficient |
Class D operation |
→ 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 |
© 1996 - 2024 | All Rights Reserved
Audio Video Supply Inc.
4542 Ruffner St. Suite 220
San Diego, CA 92111
Prices and specifications subject to change without notice.