PA systems and power

Discussion in 'AV Receivers' started by Cameron Yee, Feb 4, 2004.

  1. Cameron Yee

    Cameron Yee Executive Producer
    Reviewer

    Joined:
    May 9, 2002
    Messages:
    11,679
    Likes Received:
    648
    Location:
    Since 2006
    Real Name:
    Cameron Yee
    I'm looking at these PA products for a co-worker and am a bit puzzled by their power ratings and the crowd coverage claims.

    http://www.anchoraudio.com/products.lasso

    For example, all the products up until the top model are rated at 50 watts. Even the one labeled for 2000 people! The top of the line then jumps up to 130 watts (and for a pretty penny I might add).

    Am I missing something because this is for voice amplification and therefore not as demanding? Is there an integrated product (combining amp, speaker and wireless mic reception) that would be better?

    I know this isn't home theater per se, but I appreciate any assistance.
     
  2. John S

    John S Producer

    Joined:
    Nov 4, 2003
    Messages:
    5,460
    Likes Received:
    0
    I think the products are way over stated...

    But, if the crowd is quiet, it may be ok. I mean if the crowd is quiet you can almost speak loud enough to be heard anyways.

    I'd at least use them in pairs for their stated maximum stated performance.
     
  3. Brad Wood

    Brad Wood Stunt Coordinator

    Joined:
    Nov 25, 2002
    Messages:
    88
    Likes Received:
    0
    Cameron,

    I'm a sound engineer and system designer for an A/V integration firm. If you want to drop me a line and discuss the application that you'd need these for, just pm me here or drop me a line at brad.woodhouse@clearone.com I'd be happy to make some suggestions

    Brad Woodhouse
    Edina, MN
     
  4. Cameron Yee

    Cameron Yee Executive Producer
    Reviewer

    Joined:
    May 9, 2002
    Messages:
    11,679
    Likes Received:
    648
    Location:
    Since 2006
    Real Name:
    Cameron Yee
    The use is very basic - an all-in-one unit (what I meant by "integrated," though I may have inadvertently used an industry buzzword) that one person can transport and set up having minimal technical knowledge. Audience no larger than a couple hundred. A truly portable, "personal," public address system.

    From a casual perusal Anchor Audio seems to be well regarded. I haven't had a chance to hear and operate for myself.
     
  5. John S

    John S Producer

    Joined:
    Nov 4, 2003
    Messages:
    5,460
    Likes Received:
    0
    I did sound re-enforcement for over a decade, but never for this type of application. Mine was live band performances.

    But like I say if it is a crowd of people that are there to listen to you speak, so they are quiet, then I would think this may work ok...
     
  6. Cameron Yee

    Cameron Yee Executive Producer
    Reviewer

    Joined:
    May 9, 2002
    Messages:
    11,679
    Likes Received:
    648
    Location:
    Since 2006
    Real Name:
    Cameron Yee
    Audience being quiet is a serious factor. I've only done basic sound reinforcement with a modest system and learned very quickly it's hard to compete (at least with the gear I used) with a gym full of teenagers who have no interest in being quiet.
     
  7. John S

    John S Producer

    Joined:
    Nov 4, 2003
    Messages:
    5,460
    Likes Received:
    0
    yes, for that application, you need power and horns!!!!

    To get their attention if nothing else.
     
  8. Brad Wood

    Brad Wood Stunt Coordinator

    Joined:
    Nov 25, 2002
    Messages:
    88
    Likes Received:
    0
    Cameron,

    Also check out Fender Pro Audio. They make a little unit called the Passport system. It seems pretty idiot proof. They make at 250W unit which is pretty reasonable and you can buy additional speakers for more coverage. I sold a dozen of them to a guy who was working for a world hunger organization that did work in the Phillipines. He claimed that the 250W system with four speakers covered 1500 people with no problem. I'm a little skeptical of that since I'm used to covering that many people with 16 EAW line array cabinets and 10Kw of power. To each his own I guess!
     
  9. John S

    John S Producer

    Joined:
    Nov 4, 2003
    Messages:
    5,460
    Likes Received:
    0
    No kidding Brad,

    From a sound live music re-enforcement angle, I'd do 1500 people and the venue to hold that many with about 10k total.

    Once you get to 5000 people and the sized venue to hold that many, I am usually pushing closer to 20k, and that usually holds up decent until you get over 10,000 people, once you get over that size, the sky is the limit, and the more the better.

    I don't really do it much any more, but I used to have 3 large racks full of QSC amps, must of been nearly 20 in total, they ran 2KW each bridged. I think I have sold most of them off now. I kept 3 of these old URI amps, and only do limited re-enforcement these days.
     

Share This Page