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Summary of Contents for Biamp Vocia VA-4300CV
- Page 1 VA-8150CV and VA-4300CV OPERATION MANUAL 585.0406.900...
- Page 2 VA-8150CV / VA-4300CV Product Description The VA-4300CV is a digital networked four channel constant voltage 70V/100V amplifier. It is CobraNet enabled and capable of delivering 300W of audio power per channel. The VA-4300CV also has dual Ethernet ports for redundant CobraNet connectivity, comprehensive failover capabilities, and dual power inputs.
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Page 3: Setup And Use
VA-8150CV / VA-4300CV Setup and Installation Setup and Use The Vocia software provides an intuitive interface for configuration of the VA-8150CV and VA-4300CV Amplifiers. The information supplied by this manual relates to physical connections and assignment. For more details on software setup, please consult the Vocia Help File. Installation The unit requires one 3.5 inch (88.9mm) high and 19 inch (483mm) wide rack space with 17.5 inch (444mm) depth. -
Page 4: System Indicators
VA-8150CV / VA-4300CV Front System Indicators The LED indicators on the front panel of the amplifier provide information and operational status of the amplifier and its associated output channels. LED layout and features vary between amplifier models. LED’s are grouped to show chassis status indication and amplifier channel status indication. Please see the Front Panel View section for details on the different configurations between the various amplifier models. - Page 5 Amp Channel Indicators These indicators relate to each amplifier channel. Activity The Activity LED will illuminate when the channel is configured. Green LED - configured and actively passing audio. • Amber LED - channel is acting as a standby channel for failover applications. •...
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Page 6: Ac Power Socket
This plug is the main disconnecting device and should remain readily operable. There are no user interchangeable parts. Please contact Biamp Technical Support or your local distributor for all service requirements. -
Page 7: Network Connections
Network Connections The amplifier is a CobraNet device. A Primary and Secondary CobraNet connection is provided for this. All CobraNet routing and bundle assignments are processed by the Vocia devices locally. Vocia makes dynamic use of available bundles in CobraNet. A 100Base-T Ethernet switch (not repeater hub) is required when networking multiple units. -
Page 8: Amplifier Output Connections
CAUTION All Speaker wiring connections should be made by qualified personnel and with the amplifier power removed. The 100V output requires Class 3 wiring. Please refer to a qualified electrician or other qualified person according to local codes. Amplifier Output Connections Speaker Connection To minimize power loss, use a speaker cable of appropriate gauge for the load impedance. - Page 9 VA-8150CV / VA-4300CV Fault Detection Output Fault Detection Vocia amplifiers employ multiple out-of-band (inaudible), high frequency tones for fault detection. To prevent the possibility of interference with these tones, recorded audio messages or audio content with continuous or swept tonal components (e.g. alert tones) should be band limited at 15 kHz during recording.
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Page 10: Channel-To-Channel Failover
Channel-to-Channel Failover All amplifiers support Channel-to-Channel failover. This is configured in the Vocia Software in the amplifiers General Setting as 1:1 Failover. In this configuration, channel pairs can be specified and adjacent channels will act as a redundant backup. Channel failover is triggered by one of the following conditions: Over temperature •... - Page 11 VA-8150CV / VA-4300CV Current Draw AC current draw for 240V operation 1/8 POWER 1/3 POWER FULL POWER TOTAL OUTPUT POWER CONFIGURED IDLE PINK NOISE PINK NOISE SINE WAVE (Watts) CHANNELS (Amps) (Amps) (Amps) (Amps) 0 (Not configured) 1.1* 1.9* 2.7* VA-8150CV 3.6* 1.8*...
- Page 12 VA-8150CV / VA-4300CV Current Draw DC current draw for 48V operation 1/8 POWER 1/3 POWER FULL POWER TOTAL OUTPUT POWER CONFIGURED IDLE PINK NOISE PINK NOISE SINE WAVE (Watts) CHANNELS (Amps) (Amps) (Amps) (Amps) 0 (Not configured) 4.4* 8.2* 12.2* VA-8150CV 16.2* 8.8*...
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