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Audio Transformer Installation - Digital Acoustics
https://www.digitalacoustics.com/wp-content/uploads/2015/10/AppNote-IPAMP-20130308-COMTR2570-324J-Installation.pdf#:~:text=To%20install%20the%20optional%2025%2F70V%20transformer%3A%20Mount%20the,and%20SPKR%208%E2%84%A6-%29%20on%20the%20IP7%20%28polarity%20independent%29
Audio Transformer Installation - Digital Acoustics
https://www.digitalacoustics.com/wp-content/uploads/2015/10/AppNote-IPAMP-20130308-COMTR2570-324J-Installation.pdf
To install the optional 25/70V transformer: Mount the transformer next to the IP Amplifier. Optional DIN clips are provided Connect the Black 0 and the White 8Ω leads from the transformer to the J2-6 and J2-7 terminals (SPKR 8Ω+ and SPKR 8Ω-) on the IP7 (polarity independent) Determine whether to use a 25V or a 70V distribution line. The speakers must be …
R70VT Line Matching Transformer User’s Installation Guide
https://www.currentaudio.com/products/downloads/manuals/70V_Transformer_Manual.pdf
• After securing the transformer to a suitable mounting surface, connect the White wire to the RED (+) terminal on the speaker and the Black wire to the Black (-) terminal on the speaker. • Select the desired tap on the transformer and connect the brown (-) and the (+) tap to the 70/100 volt line.
IP7-SS40 Audio Transformer Installation - Digital Acoustics
https://www.digitalacoustics.com/wp-content/uploads/2015/10/AppNote-IPAMP-201200615-COMTR4070-D10-Installation.pdf
To install the optional 70V transformer: Mount the transformer next to the IP Amplifier. Optional DIN clips are provided Connect the Black 8Ω and the White COM leads from the transformer to the J2-6 and J2-7 terminals (SPKR 8Ω+ and SPKR 8Ω-) on the IP7 (polarity independent) Connect the Black 70V and Red COM to the speaker distribution line
How to install 25v 70v 100v transformer distributed audio ...
http://www.wescomponents.com/datasheets/100v_guide_files/100v_guide.htm
distributed audio transformers (70v installation guidelines i) connecting speaker systems in a 25v / 70v / 100v constant voltage distribution systems. 25v 70v 100v systems are typically used for paging, telephony, background music and other multiple inputs, where high sound volume or even, sometimes, the quality of sound is not the main ...
All About 70-volt Speaker Systems - Belden
https://www.belden.com/blogs/broadcast/all-about-70-volt-speaker-systems/
The real problem is that all your audio is going to run through these transformers, so the quality of the audio is directly related to the quality of these transformers. If you try and buy a high-quality, high-power 70-volt transformer, so if you can find one you are going to spend a bunch of cash.
Commercial 70V Transformers - Outdoor Speaker Depot
https://www.outdoorspeakerdepot.com/commercial-70v/transformers.html
This handy gadget converts the primary voltage of a PA or audio amplifier from 70v to 8 ohms or 4 ohms at the speaker and eliminates power loss caused by long-distance wire runs. The quality of the audio, however, depends on the quality of the 70v transformer. Our 70v transformers include multiple wattage taps that let you set different power ...
70 Volt Transformers | Shop Our 70 Volt Speaker ...
https://www.proacousticsusa.com/commercial-sound-equipment/commercial-sound-accessories/transformers/70-volt-transformers.html
Atlas Sound HT47 High-Quality 70V Audio Transformer (B-Stock) The Atlas Sound HT47 High Quality Audio Transformer is a industry standard, high quality transformer with audio grade laminations. The unit offers low insertion loss (not to exceed 1.0dB) and full-range frequency response (+1dB from 60 Hz to 12 kHz).
70V 15W Speaker Line Matching Transformer - Parts Express
https://www.parts-express.com/70V-15W-Line-Matching-Transformer-300-039
70V 15W Speaker Line Matching TransformerConstant voltage, isolated line matching transformer for use with public address amplifiers utilizing a 70.7 volt carrier line for sound transmission. Frequency response: 40-20,000 Hz. Secondary impedance: 4 or 8 ohms. Tap at 5 W, 7.5 W, 10 W and 15W. Minimum efficiency: 80%. Mounting holes: 2.75" (center to center).
Other uses for 70v line transformers? | diyAudio
https://www.diyaudio.com/community/threads/other-uses-for-70v-line-transformers.107792/
BTW, these transformers have what looks like a center tap on the input side. There are 3 tabs on the one side, and then 3 more on the other side; one labeled 8 ohm, one 4 ohm, and the other blank. I have four of them and will probably put them in the trading post as I …
70V 100W High Power Speaker Line Matching Transformer
https://www.parts-express.com/70V-100W-High-Power-Line-Matching-Transformer-300-225
70V 100W High Power Speaker Line Matching TransformerThis high quality line-matching transformer is designed to convert the output of any standard 4 or 8 ohm amplifier for use with a 70.7 volt public address sound distribution system. Specifications: • Power handling: 100 watt RMS • Frequency response: 40-20,000 Hz • Minimum efficiency: 85% • Dimensions: Height: …
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