raypenn Posted February 9, 2005 Share Posted February 9, 2005 Can you please tell me what the differences are between Altec horns 811, 811a, 811b and H811? Are they all equally suited for a Belle modification? Thanks. Quote Link to comment Share on other sites More sharing options...
Al Klappenberger Posted February 9, 2005 Share Posted February 9, 2005 Ray, I think the difference in those horns is the throat diameter. The 811b has a 1 inch diameter. One of the others (I'm not sure which one) has a 1 1/4 inch throat. They are all good down to 800 Hz or slightly lower. I am using them (811b) in my Belles crossing over at 700 Hz. I recommend it highly! You will need an adaptor to use the K55 driver on them though. Al K. Quote Link to comment Share on other sites More sharing options...
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