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Cut-off frequency setting
RCA and speaker inputs
Manufacturer : PRO-JECT
Shipped within 3 to 5 working days Available within 1 or 2 weeks
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No overcharged 3x payment from 1000€
The chassis made of high-quality MDF is strong and robust. It takes up 3 lacquer finishes of the Speaker Box: black, white and red.
The transducer is a 13 cm woofer specially designed by Pro-Ject. It is full of closed volume.
The back panel of the Sub Box 50 is fitted with an aluminium plate for the connections and adjustments. Those proposed are the level and the cut-off frequency to adjust and optimize the connection between the Hi-Fi speakers.
You can adjust the Pass-Bas between 65 and 150 hz.
A switch offers an automatic mode that cut the Sub when there is no signal (during 10 minutes) and turns it on when there is a signal.
Another switch toggles the acoustic phase from 0 to 180° following the placement of the sub related to the speakers. This setting adjusts at the ear following the best bass quality.
You can connect the Sub Box 50 to your amplifier in 3 different ways:
- Your amp (such as the Cambridge Audio AX R85) has a Mono Out SUB output, so in this case use the RCA (L) MONO input of the Sub 50;
- Your amp has a stereo pre-out output (such as the Rotel A10 integrated amp), so connect it to the RCA Stereo Low level input of the Sub 50;
- And if your amp does not have any oh these connections, so you need to connect to with a (stereo) speaker cable in parallel to your speakers on the (High Level Input) speaker terminal of the SUB 50. By the way, this last configuration seems to be the best option in terms of dynamic and homogeneity.
We have connected the Pro-Ject Sub Box 50 to the high-level input on our amplifier, as well as a pair of Speaker Box 5 speakers. We have opted for a filter setting around 70hz.
It delivers a wide and dynamic sound, and adds an octave in the bass with easy and coherence.
The Pro-Ject Sub Box 50 subwoofer not only complements the Pro-Ject Speaker Box speakers, but also works wonders with other small bookshelf speakers from competing manufacturers.
Output voltage: 50 W RMS, 100 W power peak
Distortion: 0.015 %
Woofer: 130 mm Ø
Frequency response: 38 Hz - 160 Hz (–3dB)
Input sensitivity: 140 mV (low output)
Input sensitivity: 3.5 V (high output)
Inputs: 1 pair of RCA (low output) and mono RCA
Inputs: speakers (high output)
Mono speaker cable
Dimensions: 205 x 280 x 205 mm
Weight: 6 kg
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