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Bass filter for cabinet [message #29131]

Sat, 14 October 2023 12:34

BC
Messages: 583
Registered: March 2000
Location: Kentucky

Senior Member

I recently acquired a 1x15+2x10 cabinet from the Selectone series 200 amps. The KEI 15 was toast but, the 10s work well. I had a 16 ohm JBL D140 in my spares so it replaced the KEI. I would like to use this for bass. How do I construct a filter to prevent the low tones from beating the 10s to death. I want to run the 15 full range. Thanks! Cool

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Re: Bass filter for cabinet [message #29132 is a reply to message #29131]

Mon, 16 October 2023 06:02

stevem
Messages: 4778
Registered: June 2004
Location: NY

Senior Member

I will get back to you later today when I gig out my notes on this subject.

Off the top of my head I want to say that the cross over Kustom used for the cabinets that had horns was a 5 mfd 50 volt electrolytic cap, although it could be a non polarized cap also .

[Updated on: Mon, 16 October 2023 06:04]

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Re: Bass filter for cabinet [message #29134 is a reply to message #29131]

Mon, 16 October 2023 18:25

stevem
Messages: 4778
Registered: June 2004
Location: NY

Senior Member

I need to know what impedance those two 10s are and how they are wired?

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Re: Bass filter for cabinet [message #29136 is a reply to message #29134]

Tue, 17 October 2023 17:44

BC
Messages: 583
Registered: March 2000
Location: Kentucky

Senior Member

They are wired parallel and the 15 was parallel to them. Not sure about ohms. I think they are Jensens by the numbers. Old and faded. I know the KEI 15 was a 16 ohm. I will research and get back to you

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Re: Bass filter for cabinet [message #29138 is a reply to message #29136]

Thu, 19 October 2023 15:46

BC
Messages: 583
Registered: March 2000
Location: Kentucky

Senior Member

Steve the numbers on the 10s are C10N-C9359-4 and 220017 They ARE wired parallel. I call them Jensens. Does this help? BC Cool

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Re: Bass filter for cabinet [message #29153 is a reply to message #29138]

Wed, 01 November 2023 06:28

stevem
Messages: 4778
Registered: June 2004
Location: NY

Senior Member

No that does not help.

I would get two caps from this company called Dynavox .
One is a 8uf and the other is a 12 uf.

Audition each one wired in series in the + lead for the amount of low end they will pass into the 10" speakers.

If both put too much low end into the speakers then wire both caps together in parallel and give it a listen.

The part number for the 8uf cap is AXC-008G, The 12 uf cap is AXC-012.

Both caps are non polarized so they can be wired in either way.

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