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The VX-2086 is a dual channel balanced analogue Audio Distribution Amplifier offering excellent performance exceeding current broadcast specifications. It is a standard 220x100mm Eurocard with an on-board regulated and rectified power supply operating from low voltage AC / DC.

 

There are two input buffers per card, and four output drivers each with 6 resistively distributed output paths. Any output driver may be linked to either input, which means that the VX-2086 can be used as a 12 output dual channel (stereo) DA, a 24 output single channel DA, or as a dual channel DA with 18 outputs on one channel and 6 outputs on the second.

Model VX-2086X has screened transformer-balanced inputs, whilst the standard VX-2086 input buffers are electronically-balanced with auto-sensing for unbalanced audio. Fifteen VX-2086 Eurocards or twelve VX-2086X transformer-balanced DAs plus mains module can be housed in a 3U rackframe with individual rear connector panels per board. Alternatively, 1U or 3U racks can be custom cabled in almost any configuration using the customer's own choice of connectors, allowing integration with other video and audio products from the Cookbook.
 

The signal path is balanced throughout, with inputs and outputs properly filtered. Jumpers on the board provide phase reversal and a choice of earthing options. Gain is independently adjustable for each channel.

Specifications
Inputs:

Input impedance

VX-2086X transformer impedance

Input balance

Line input level

Maximum line input level

>10kW 20Hz to 22kHz (electronic balance)

>10kW 20Hz to 20kHz (transformer balance)

>80dB (electronic balance) @ 14kHz

0dBu

+20dBu @ 0dBu gain

Outputs:

DA output impedance

Nominal output level

Maximum output level

Output isolation

Output balance

50W

0dBu into 6kW, all outputs loaded

+21dBu into 6kW, all outputs loaded

>60dB to 15kHz

>50dB to 15kHz

Performance:

Gain adjustment

Frequency response

Roll-off

THD+noise

Noise

Transient response

+2 to -30dBu

20Hz to 22kHz ±0.1dBu

Smooth roll-off above 22kHz

<0.01% 20Hz to 20kHz @ 0dB gain, +20dBu out

< -80dBq @ 0dB gain

<50mV ripple on 1V pk-pk 3kHz square wave

Physical:

Power

Format

Width

Rear connector

±12 to ±18V AC or DC, 100mA approx

Eurocard, 220x100mm

5HP (VX-2086) or 6HP (VX-2086X)

DIN 41612 (AB or AC)

FAQ's

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