70 Volt 70v Speaker Wiring Diagram
All about 70 volt speaker systems.
70 volt 70v speaker wiring diagram. To use it enter the quantity of speakers the the wattage power tap used. Both entries are numeric. Add the total watts of all speakers on a wire run. May 3 2010 1 hello i m new at this forum i recently took over a 70 volt installation i have been.
Tags pro audio speakers. This video made using tubebuddy. At at atemg. All about 70 volt speaker systems.
Attached to each speaker in a 70v system is another transformer that transformers are wired in parallel across the amplifier output making wiring simple 1 connect your speaker wiring to the common and 70 volt output terminals on the distribution amplifier. 25v 70v or v from amplifier. Use this calculator to determine how much power is required for your 70 volt amplified speaker system. 100v and even 140v outputs can be found on some of these distribution amplifiers.
Determine the combined output in watts for all speakers on a line. Follow the nearest vertical line up to its intersection with a diagonal wire size line. The 100v settings are included because those speaker products are marketed outside of the united states. Previous next sort by votes.
A 70v output is available on bogen amplifiers and is the primary type of output for paging systems. The click on calculate for the required power calculation. 0 5 db 21 1 db and 50 3 db for 4 and 8 ohm speaker impedance. You will also notice the astounding distances that 70 volt distributed systems can go.
F e e t 70 volt speaker wiring limitations chart instructions. Note that 24 awg wire like some bell wire. Some lowell speaker systems have ratings for 25v 70v and 100v operation. 70 volt speaker wiring diagram.
25v 70v or v attenuators for 25v 70v speaker line models at10a and at35a installation and use manual these step plus off speaker attenuators allow the volume of a network of 25v or 70v. But you ll notice a third section there titled 70v volt speaker. A 25v output could be used where fewer speakers are to be used and the runs of wire are not extremely long such as in a doctor s office. Other output types 25v 16 and 8 ohm.
Jason from direct pro audio explains 70 volt amplifiers 70 volt equipment and 70 volt speaker systems. In the us 70 7v is the highest voltage speaker system where class 2 wiring can be used without conduit. A step up output transformer in the amplifier provides the high 70v output signal. Start date may 3 2010.
May 3 2010 2 0 18 510 0. 100v and 140v systems are often used around sports arenas golf courses amusement parks etc where the speakers are very widespread higher volume levels are needed and. All speakers with step down transform ers rated for 70v systems are connected to this output.