High Efficiency Speaker Asylum

RE: To BMS 4592 ND owners re crossover caps

65.90.54.194

In Reply to: RE: To BMS 4592 ND owners re crossover caps posted by Ian L on June 14, 2007 at 08:40:43

The 4592nd only shines when you modify the driver. There is a machined hole in the throat that wreaks havoc with the sound. Dave Adams (Electron-Luv) was here and said the modified driver sounded easily as good or possibly even better than the TAD in one of Kevins horns.
BTW I have an Azura flare 350hz horn. I should post the mod as I took photos as I was doing it. The factory crossover totally blows.

Follow Ups:

Mods and people's names - Ian L 20:15:32 06/14/07 (8)
I saw a post earlier today mentioning Kevin and his horns. "Kevin? I know somebody named Kevin. . . . ." I thought. No idea where to start looking.

I'd be grateful if you'd post the mod, and pics of your rig too if you have the inclination.

Thanks
- RE: Mods and people's names - DHTME4 20:35:49 06/14/07 (7)
  That would be Kevin Brooks. Sorry.
  I should post the mod as it is absolutely benificial to getting the last drop.
  Probably over the weekend.
  - Work on the 4591 too? - winslow 21:18:53 06/15/07 (0)
    I'm just using the 4591 and was wondering if the mod would work here too?
  - I would love to hear more about the BMS mod! - PK 23:15:27 06/14/07 (5)
    Hi,
    
    Could you please say a bit more about this mod and in what way it makes the driver sound better?
    
    I have used this driver for some time know and would really love to hear more about this mod!!!
    
    Thanks!
    
    Regards
    Peter
    - RE: I would love to hear more about the BMS mod! - DHT 4 ME 23:34:10 06/14/07 (4)
      Ok. the best way to understand the mod is to remove the tweeter. That is very easy to do and you will see the recess that BMS machines into the housing to clear the solder joint for the tweeter leadouts. The problem is that it goes clear through into the compression chamber for the mid.
      I used a stainless disk that fit in the recess and epoxied it in. Then place 2 sheets of heavy paper over the disk to insulate it. I also tapped the solder on the tweeter leadouts down so it will not protrude into the paper insulator. It removes a nasal peak in the response and it sounds smoother overall. Look for pics over the weekend.
      Bob
      - RE: I would love to hear more about the BMS mod! - PK 01:27:07 06/15/07 (3)
        
        In Reply to: RE: I would love to hear more about the BMS mod! posted by DHT 4 ME on June 14, 2007 at 23:34:10
        
        Hi Bob,
        
        Thanks a lot for your reply! I really appreciate it.
        
        I have some questions, that I hope you will respond to, but I think I will wait until I see the pictures, because they may answer some of them. I have strugled with these driver for quite a while now and would really like to get the best out of them!
        
        Thanks!
        
        All the best
        Peter
        
        Bert will be not so amused, hehe...... - angeloitacare 09:59:07 06/15/07 (2)
        
        In Reply to: RE: I would love to hear more about the BMS mod! posted by PK on June 15, 2007 at 01:27:07
        
        anyway, i will soon try out the radian 950 pb, just curious to see witch will perform better.
        
        RE: Bert will be not so amused, hehe...... - DHT 4 ME 20:01:32 06/15/07 (1)
        
        In Reply to: RE: Bert will be not so amused, hehe...... posted by angeloitacare on June 15, 2007 at 09:59:07
        
        Yeah like he has a monopoly on modded BMS drivers. I can see why the rave reviews have poured in on his Orphean system. The persons who have heard these horns I have here are simply amazed how instruments seem to just appear from nowhere right in front of you. I have heard horns that seem to project the instruments but these just seem to just happen as if it was there. It is kinda tough to describe. Honestly I am puzzled that a German company would release a product that had such a flaw. My Mercedes seemed to be so over engineered that it was rediculous. Mabye that is why they have that unit that is above the 4592.
        
        RE: Bert will be not so amused, hehe...... - angeloitacare 03:06:07 06/16/07 (0)
        
        In Reply to: RE: Bert will be not so amused, hehe...... posted by DHT 4 ME on June 15, 2007 at 20:01:32
        
        i would use the 4592, ore eventually the 4591 only as mid frequency driver up to ~ 5 - 6khz, and a separate tweeter as Peter is doing. should give better results.

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