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Old 23rd September 2006, 03:28 PM   #1
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Default BMS 4590P filter

On the BMS 4590P is a filter attached. The BMS 4590 comes without.
As i want to use more audiphilic components for it i have not ordered these filters.
Who can tell me what the setting of these filters is?

Kees
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Old 23rd September 2006, 08:33 PM   #2
Salas is offline Salas  Greece
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BMS gives the responses for their filtering of this interesting 2way coax large compression driver. If you dont have measurement equipment to backwards engineer it and then build it with $$$ components, better contact them so to give you the topology and values.
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Old 24th September 2006, 06:51 AM   #3
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I know these responses.. First i had ordered an 4590P aswell but that company did not deliver.. Later i bought these drivers at a company that did deliver the 4590 fast but could not deliver the 4590P
That's why i want to peek into this PCB,..

Kees
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Old 24th September 2006, 10:41 AM   #4
Salas is offline Salas  Greece
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Contact BMS and tell them that you need the schematic bcs you could not get the P model.
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Old 25th September 2006, 12:46 PM   #5
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as expected: no response...

anyone else who can help me??

Kees
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Old 30th May 2013, 02:12 PM   #6
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Hi,
I just bought a bms4590.
Anybody has a good/somple crossover schematic for this driver?

Best,
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Old 30th May 2013, 04:31 PM   #7
winslow is offline winslow  United States
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I have the BMS passive in front of me, but no way of measuring values for it.
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Old 30th May 2013, 04:36 PM   #8
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Hi Winslow...
Good! I am preparing thing to start a Horn project for my living room.
I will be using a JBL2360A horn and the BMS4590.
I want to use a passive crossover so I can use a single SET 45 amplifier for mid and highs.
Later I will use active crossover to mate this setup with a woofer.

Are you able to determine the circuite schematic that was used?
To me It looks like a 2nd order crossover, something like this?

Passive Crossover Design Equations Formulas Calculator - Two Way Second Order Network Chebychev Bessel Butterworth Linkwitz-Riley
set for 8ohm drivers and a crossover of 6.5khz?

Are you able at least to determine the number of components and values for some of them?
Maybe a photo of the front and back and determine values for some of the components.

Thanks in advace!
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Old 31st May 2013, 05:29 AM   #9
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Quote:
Originally Posted by audiomanics View Post
On the BMS 4590P is a filter attached. The BMS 4590 comes without.
As i want to use more audiphilic components for it i have not ordered these filters.
Who can tell me what the setting of these filters is?

Kees
6.3 Khz
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Old 31st May 2013, 02:42 PM   #10
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Someone got results with a passive filter for this driver?

I've been reading this tutorial:
Passive Crossover Network Design

And thinking about implementing a 2nd order filter at 6.3khz
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