see why this system doesn't work > right ! >>> RR It sounds like someone that didn't know what they were doing hooked up a speaker to a PA system. PA amplifiers for this kind of application often use 25, 75 or 100 volt outputs. These are for...

70 Volt Wiring. Archived from groups: rec.audio.pro () Hi. I have a small wiring job to do here at my day job (cabinet shop), I moonlight as a studio owner. I've been put in charge of wiring a voice page only intercom setup using a TOA P-912A amp,...

70 volt pa system wiring. Archived from groups: rec.audio.tech () Math question, I am attempting to hookup a 70 volt pa system for mainly background music. Mixer amp has a 20 watt output, there are 8 speakers with built in transformers. I am going to set...

all rooms all the time it's very simple with what is known as a '70 volt system,' one pair of wires daisy chained to each speaker and connected to the 70 volt output on the amp. Bogen and TOA are companies that make 70 volt amplifiers I've used in this...

damage a solid state circuit. In house wiring systems with no third Ground wire there is another "worst case" possibility, and this is seen in lots of older homes in North America. In those systems the wires going out to each wall outlet are Hot and Neutral,...

push pull setup with a case fan I had in the case. At stock the system run extmerely cool @ 27c/55c load. But when overclocking watch out! The system runs @ 3.1 45c/65c load. If the case cover is on add another 5c. Testing is being performed with OCCT. System...

Wire length. Being new to this my question for a 70 volt system, Is there a minimum wire or recommended length between the the transformer and the speaker?. Being new to this my question for a 70 volt system, Is there a minimum wire or recommended length between...

deal with here, starting from the apparent situation that there is no reliable Ground anywhere. A Ground is used for two purposes: part of a protection system for wiring or circuit faults that mistakenly send real power to the computer's chassis that is accessible...

Handbook and read the section on >> 70 volt systems. >>Any chance you could give me the basic jist of things. I don't have that >book handy and am very anxious to start shopping around for the equipment. There is some discussion of 70V systems in the...

in the bunch here. ^^ You have several issues to deal with here, starting from the apparent situation that there is no reliable Ground anywhere in your new apartment. A Ground is used for two purposes: part of a protection system for wiring or circuit faults...