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Viola Audio Laboratories Duet Stereo Electronic Crossover

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Duet Stereo Electronic Crossover

Item # : VIO-DUET


5 year transferable warranty

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$24,000.00 Each
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Duet Stereo Electronic Crossover

The Viola Duet is a high quality mono electronic cross-over intended for use with speaker systems with up 2 bands. In its standard configuration the channel frequencies may be set by the user as below.

Low pass:
300Hz or 500Hz

Low band pass:
300Hz or 500 Hz up to 5kHz or 7kHz

Band pass:
5kHz or 7kHz to 15kHz

High pass:
over 15kHz

Other frequencies are available to special order and the use of plug-in filter cards allow the unit to be quickly and easily reconfigured. Each band uses up to 4 filter cards. These cards are fully discrete class A designs and have a cut-off rate of 12dB/octave. Depending on how many cards are fitted to a band, the cut-off rate may be set to 12, 24, 36 or 48dB per octave.

Low noise hybrid type potentiometers are used for the output level controls. Each control is fitted with a 10 turn vernier dial allowing extremely accurate setting. The vernier is lockable for long term stability.

A choke input type power supply housed in a separate chassis is used to provide a very clean and stable power source for the pre-amplifier. It also provides isolation from Electro-Magnetic Interference.

Product Details
Brand Viola Audio Laboratories
Condition Notes


Warranty 5 year transferable warranty
Weight (lb) 16.0000
Height (In) 3.58
Width (In) 17.6
Length/Depth (In) 15.98
Weight (Kg) 7.3
Height (mm) 91
Width (mm) 447
Length/Depth (mm) 406

Duet Stereo Electronic Crossover Specifications

Inputs 2 x XLR
Outputs per band 1 x RCA
1 x XLR
Input Impedance 1M ohm
Frequency Response 20Hz to 20kHz ± 0.1dB
IMD Less than 0.005% @ 1V input
THD Less than 0.01% @ 20kHz 1v input
Noise -95dB
Dimensions Pre-amp: 44.7cm W x 9.1cm H x 40.6cm D
Psu: 22.3cm W x 9.1cm H x 40.6cm D
Weights Pre-amp: 7.3kg
Psu: 9.1kg

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