Turbosound TA-880 user manual Audio Connections, Input and Output Connector Wiring

Models: TA-880

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Audio Connections

user manual

TA-880

Audio Connections

The LMS-D6 audio inputs are RFI filtered and electronically balanced. The outputs are electronically balanced and fully floating. Overall, the unit is designed to operate at any signal levels ranging -10dBu up to +20dBu. The outputs will drive into loads of 600 Ohms or greater and both inputs and outputs are intended to be 'fuss free', regardless of an installation's complexity.

The connector wiring is as follows:

Input

Output

Pin 1 n/c

Pin 1 n/c

Pin 2 hot (+)

Pin 2 hot (+)

Pin 3 cold (-)

Pin 3 cold (-)

Input and Output Connector Wiring

Balanced Wiring: whether a system is wired to a 'pin 3 hot' or a 'pin 2 hot' convention will not matter as long as the wiring of hot & cold phases to both the input and output XLR connectors is the same.

At the LMS-D6 input, the convention is 'screen goes forward with the signal'. Input cable screening therefore needs to be connected at and derived from the signal source end, as pin 1 on the input XLR is not connected to the LMS-D6 chassis nor signal ground.

Time correction for loudspeaker driver placement

When a loudspeaker sound system is constructed which utilises different loudspeaker drivers for separate frequency bands, it is inevitable that the sound sources are non-coincident. The effect of this is that phase and time differences occur, producing a substantial cancellation of the signal around the crossover region. There is also a general lack of transient clarity or smearing of the sound, resulting from an inaccurate combining of the wavefront. The LMS- D6 provides and maintains the optimum signal delay between the HF and HMF drivers and the LMF driver in the TFS-780H when the unit is switched to Flashlight mode, and in Floodlight mode the three drivers in the TFL-760H are physically aligned so inter-driver time delays are switched out. DSP settings for these and other Turbosound controllers are availalable from the Turbosound website Downloads area or the ftp site at ftp://ftp.turbosound.com

TA-880 user manual

Page 48

Page 48
Image 48
Turbosound TA-880 Audio Connections, Input and Output Connector Wiring, Time correction for loudspeaker driver placement