Ashly VCM-88E Spécifications télécharger pdf (Page 5)

Operator Manual – VCM-88C Controller Page - 5

VCM-88C Controller

The VCM-88C allows for accurate, low distortion level control without signal degradations

encountered when using mechanical controls or long signal paths. This unit adds

functionality and control in any system or installation where remote control or fast automatic

system response is required. Specific applications are discussed in detail on Page 8.

Connectors & Cables

Your VCM-88C is provided with a single connector type for audio signals in and out. All

connections are made via 1/4” stereo phone jacks (TRS), which can be used to connect,

balanced or unbalanced signals to the unit. Whenever possible, balanced connections are

recommend between all components in your system, as this eliminates ground-loop induced

hum and noise.

VCM-88C Audio Connector Polarities

All inputs are 20K ohm active balanced and 10K ohm unbalanced.

Note: The VCM-88C can be connected using a “single connector insert mode.” In this

configuration, the In jack functions as a TRS insert with the Tip receiving the input, the ring

the output and the sleeve acting as a common ground.

Remote control connections are made via Euroblock connectors. Polarities and other details

for those connectors are provided on the chassis.

Unbalanced Connections and Grounding

If you must use unbalanced connectors, the negative lead of the connector (ring) should be

tied to the ground lead (sleeve). Using unbalanced connections could result in chassis

ground-loop noise. Altering the signal/chassis ground relationship in equipment connected

to your unit may eliminate the noise.

Safety Instructions – 3

Introduction - 4

VCM-88C Controller – 5

Connectors & Cables - 5

Grounding

Physical Description - 6

Installation – 7

pplications - 8

Data Connections – 9

Troubleshooting – 11

Dimensions - 11

Specifications - 12

Warranty - 13

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Ashly VCM-88E Spécifications Page 5