HiFi-Active Unit by Number One

SSP £217.80


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Item Information

The High-Power Subwoofer Module SAM-2 With the perfect equipment and workmanship for active subwoofer systems of the highest quality. The filters operate perfectly, for the subwoofer as well as the high-pass filter and a combination of systems of the highest quality is possible without any difficulties.Subwoofer active module, 250W High-power active module with extensive equipment: 24dB subsonic filter, var. low-pass filter: 50-150Hz (18dB), semiparametric bass boost (var. 30-50Hz midrange with boost up to 6dB, continuously adjustable), continuously adjustable phase control 0-180° for uncompromising room adjustment and set-up adjustment, var. high-pass filter: 50-150Hz (12dB) for equalizing the bass frequencies of the satellite amplifier and the satellite speaker, ground lift switch of the studio technology against hum interference, and various protective circuits (short circuit, overheating and DC voltage overload). The great power can also perfectly drive enormous bass speakers with a diameter of up to 46cm, the sound and the workmanship are absolutely convincing.The high-quality active high-pass filter of the SAM-2 with versatile adjustments can conveniently be used as a bass relief of the main speakers and for optimising the sound. However, a regulated preamplifier output (Pre Out) is required for this. This kind of output is partly present at high-quality separable full amplifiers (Pre Out/Main In) or automatically provided by preamplifier/power amplifier combination or when using mixers.
Packed Quantity
1 per pack
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Delivery Information

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Full Details

Output power rms 4Ω 200WRMS
Output power rms 8Ω 125WRMS
Music output power 4Ω 250WMAX
Music output power 8Ω 180WMAX
THD at rms power < 0.1%
Frequency range, full range -
Frequency range, satellite (var. 50-150Hz) - 20,000Hz
Frequency range, subwoofer 20Hz - (var. 50-150Hz)
Output impedance 4-8Ω
Input impedance line: 20kΩ/high: 17kΩ
Max. input voltage  
  Line in 8.4V mono/4.2V stereo
  High power in 44V stereo
Max. power of high level input 4Ω 2 x 480WMAX
Max. power of high-level input 8Ω 2 x 240WMAX
S/N ratio > 70dB
Power consumption, no load 19VA
Power consumption, stand-by 6VA
Stand-by activation time approx. 7 minutes
Power supply 230V˜/50Hz/300VA
Required mounting cutout 155x340mm
Mounting depth w/o front panel 85mm
Weight 4.9kg