Whirlwind AS8X4
The AS8X4 Active Splitter is a 1 rack space,
∙Professional quality mic preamps driving premium quality Lundahl LL1581XL transformers. This eliminates microphone loading effects characteristic of passive splitters
∙4 transformer isolated outputs optimized for transmitting audio down long cables
∙All I/O connections via
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∙20dB input pad
∙Listen (cue) feature on each channel
∙LED headroom indicators on each channel
∙Ground lift switches on all isolated outputs
∙Internal switches allow 3 different gain settings of the mic preamp
∙2 additional internal jumpers (user changeable without soldering) engage post mic preamp 20dB pads for flexibility in setting different gain structures for various cable lengths
∙Up to 80 channels of split are capable with multiple units and the appropriate power supply
∙Modular design allows for future expansion and individual units are easily changed in the unlikely event they need servicing
∙Power supply and monitor are a separate unit and utilize various wattage supplies, depending on the number of channels in the system
∙Monitor section features a high power headphone driver and VU meter for instant cueing of individual channels
Description of Block Diagram
All audio input and output connections are done via a
Each channel has its own phantom power on/off switch with LED indicator. When engaged, 48 volt phantom power is placed on the Direct IN/OUT + and – terminals. The individual phantom power on/off switches allow worry free hook up to electronic equipment not able to block the 48 volts DC.
After the input, the signal passes thru a 20dB pad. This allows input of line signal levels up to +20dBm.