DT 105

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Subwoofer amplifier module DT 105 - price: - not available

RCM's DT 105 is a very solid module, featuring:
- high output: 105 Watts continuous / 210 Watts programme
- low signal to noise (> 90 dB)
- high quality power supply with huge electrolytic capacitors
- a perfectly even frequency response as regards to the subwoofer input
- A realistic subwoofer frequency response as regards to the other inputs

Technical data:
- output: 105 Watt continuous /
210 Watt programme into 4 Ohm
- output: 70 Watt continuous /
140 Watt programme into 8 Ohm
- minimum input impedance: 4 Ohm
- frequency range: 30 Hz - 170 Hz
- variable low pass filter: 50-150 Hz with 12 dB / oct.
- high and low level inputs
- additional subwoofer input (10Hz - 20kHz)
- automatic power-on
- phase switch (0 / 180 Grad)
- voltage amplification: up to 90x (1 channel), adjustable
- outside dimensions: 240 x 200 mm
required cut-out 200 x 170 x 120 (HxWxD) mm

Picture right: Rear view of DT 105: the module features a toroidal transformer and a large PCB with discrete components. In fact, all essential sections of the DT 105 are equipped with discrete components, as you would expect it from a high quality amplifier.

How to connect the DT 105:
The bass driver needs to be connected to the red / black cable on the rear of the module.
Then you should connect the module to the mains with the power cable supplied.
There is a choice how to connect an amplifier. Either to:
- the two RCA sockets (left + right) above left (pre-amp out)
- the input socket (from your home cinema device)
- the four binding posts (loudspeaker output)
DT 105

Picture left: The frequency response depending on the chosen crossover frequency. The subsonic filter with -3 dB at 35 Hz is most suitable for hi-fi subwoofers, since a too low bass generates standing waves in your room. In case the DT 105 is being used as a home cinema amplifier with built-in crossover, even frequencies down to 10 Hz would be produced.

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