Public Address systems can be purchased from stores that sell musical equipment or general electronics, like Guitar Center or Radio Shack. Additionally, PA systems can be purchased online from websites like Galls, Pro Audio Gear, and Carvin Guitars.
One would purchase a DBX Driveback PA from Amazon but there is more information on the company website. The DBX Driveback PA with Speaker Control System retails at just under $500. This helps to ensure optimal speaker enhancement and state of the art signal processing.
You can purchase JBL PA speakers online from the Guitar Center website. Alternatively, you can purchase JBL PA speakers from the Musician's Friend website.
You can purchase it here http://www.bananasmusic.com/index.asp/subcategoryid_10/category_Live-Sound. That and more in a one stop online shop.
You can purchase a PA mixer online from retail stores such as Best Buy. Alternatively, you can also purchase PA mixers online from retailers such as Amazon.
THe cost to purchase a PA system for a newly built school will vary depending on the specifics. For a very small and simple system you will spend $3000. You have to a contractor quote you out a PA system which will cover your entire premises. In general this is done during construction. At http://www.camelectronics.com/puadsy.html they offer components for upwards of 2000$. If you call them at 1(800)772-1605 they'll be happy to quote you on any system you require.
One can purchase a PA amplifier in any good audio equipment store. Locally one can consult the yellow pages. Online purchase can also be made at Amazon or any audio retailer with a website.
There are many options one has in purchasing a used PA system. There are many listed on various Kijiji sites in many cities. One can also inquire with a local music store as they often sell used equipment for other customers. Guitar Center has many used PA systems listed for sale on their website one can purchase as well.
Yes, Yamaha has the better pa system. Yamaha is a premier company so theirs is the best. Their Pa system sounds amazing, i have used one, it sounds so nice.
PA systems are for reproduction of speech and recorded music in buildings and institutions. You can rent a PA system and most rental systems for non-professionals are easy to use and set up.
Public Address
Yes, there are several lecterns available with a built in PA system. The most common ones are made by AmpliVox and they range in price from around $500 to over $1200 depending on the size and equipment. There are many lecterns available with built in PA systems. This includes portable as well as full size lecterns. One brand to consider is Amplivox and one website to check out is http://www.ampli.com/soundsystemsworship.shtml. You can also check out the Oklahoma Sound lecterns at http://www.bhphotovideo.com/c/search?Ntt=oklahoma%20sound%20lecterns&N=0.
You can find PA speaker systems online at abesofmaine.com, amazon.com, or even bestbuy.com. Prices range between $50 and just under $1000 depending on the features you desire.