Very GOOD DEAL on Ceremony or light duty sound-Battery

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J

jaswrx

Mac Daddy DJ
Feb 15, 2015
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"Modified sine wave" means that the AC waveform is highly distorted (a square wave instead of a sine wave). Such inverters can generate a boat load of RF interference. In other words, I would worry about how this might interfere with wireless systems. You would definitely want to run a test before committing it to use at a gig.

Keep in mind that the largest Ryobi 18V battery has a capacity of 9 amp-hours. In ideal conditions this can supply 162 watts (9x18) for 1 hour or 81 watts for 2 hours. In other words, it can't provide much power for very long. This is definitely not something I would use with a speaker. Also note, the 9 AH battery is relatively new. Previously, their max battery size was 4 AH with many tools sold with even smaller batteries.
 
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sawdust123 said:
"Modified sine wave" means that the AC waveform is highly distorted (a square wave instead of a sine wave). Such inverters can generate a boat load of RF interference. In other words, I would worry about how this might interfere with wireless systems. You would definitely want to run a test before committing it to use at a gig.

Keep in mind that the largest Ryobi 18V battery has a capacity of 9 amp-hours. In ideal conditions this can supply 162 watts (9x18) for 1 hour or 81 watts for 2 hours. In other words, it can't provide much power for very long. This is definitely not something I would use with a speaker. Also note, the 9 AH battery is relatively new. Previously, their max battery size was 4 AH with many tools sold with even smaller batteries.
Click to expand...
The deal is ONLY with their 3aH batteries, so limited even further.
 
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all good points. I saw the video on DJTV and thought of some people here. They seemed to get over an hr of use, and with two batteries, it would be a great way to make any speaker wireless for 1-2 hours.

I am sticking with my Goal Zero Yeti products.
 
A better option, pure sine @ 65A-hours:

Amazon.com : Portable AC Power Bank, 300Watts 220Wh Pure SineWave Power Inverter, Mini Generator, Power Charger, External Battery Packs with 110V AC Outlet, 12V DC USB for Camping, Traveling, Emergency Backup : Garden & Outdoor

Amazon.com : Portable AC Power Bank, 300Watts 220Wh Pure SineWave Power Inverter, Mini Generator, Power Charger, External Battery Packs with 110V AC Outlet, 12V DC USB for Camping, Traveling, Emergency Backup : Garden & Outdoor
www.amazon.com

And a slim 42A-hours model:

Amazon.com: Powkey 200Watt Portable Power Bank with AC Outlet for Camping 42000mAh Power Supply for CPAP ,2 AC Ports, 4 USB Ports, 2 DC Port: Electronics

Amazon.com: Powkey 200Watt Portable Power Bank with AC Outlet for Camping 42000mAh Power Supply for CPAP ,2 AC Ports, 4 USB Ports, 2 DC Port: Electronics
www.amazon.com
 
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Well, I will fess up. I went ahead and purchased the Ryobi setup from the original post. For ceremonies I have a Marantz Rover (Marantz Professional - Voice Rover - (https://www.marantzpro.com/products/view/voice-rover)) that handles most size crowds (for me at least). The flaw with the Rover is it's microphone range in short "it sucks"; the handheld is decent; but the body pack is useless if covered by anything at a distance of 10 ft. So I just needed something to power a wireless mic receiver. I got the battery and inverter in today. hooked everything up and it ran just fine. I was concerned about RF interference since it was not pure sine; but had no issues. Since most ceremonies are 30 minutes or less and the wireless mic receiver pulls less than .15 amps... I should be good to go
 
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Actually used the setup described in my last post on this thread yesterday in an actual outdoor wedding ceremony. How absolutely no issues whatsoever I was setup about 45 - 50 from the officiant. Used the following receiver GTD Audio 2Ch UHF Handheld Lavalier Wireless Microphone System U-35HL - GTD Audio - (https://gtdaudio.net/gtd-audio-2ch-uhf-handheld-lavalier-wireless-microphone-system-u-35hl.html) worked out well. Had the officiant using the lavalier and a bridesmaid used the handheld to read a poem for the bride and groom during the ceremony.
 
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I have used a 40 Volt 4ah battery from my lawn and garden tools with an inverter to run a powered 8" alto speaker.
Have tested it for up to 5 hours at a near clipping level. (Plenty loud for ceremony)

I also use another set to run the mixer and mics. The only cable is the single XLR to the speaker. I run my output in mono so the 1 speaker works well.
Noo problems so far.



Amazon.com: Greenworks 40V 300W Cordless Power Inverter IV40A00: Gateway

Amazon.com: Greenworks 40V 300W Cordless Power Inverter IV40A00: Gateway
www.amazon.com
 
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tizlaney said:
I have used a 40 Volt 4ah battery from my lawn and garden tools with an inverter to run a powered 8" alto speaker.
Have tested it for up to 5 hours at a near clipping level. (Plenty loud for ceremony)

I also use another set to run the mixer and mics. The only cable is the single XLR to the speaker. I run my output in mono so the 1 speaker works well.
Noo problems so far.



Amazon.com: Greenworks 40V 300W Cordless Power Inverter IV40A00: Gateway

Amazon.com: Greenworks 40V 300W Cordless Power Inverter IV40A00: Gateway
www.amazon.com
Click to expand...
Would be nicer if not electric green .. :)
 
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