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speaker question on K100 [message #7386]

Fri, 25 August 2006 15:13

davohilts
Messages: 40
Registered: August 2006
Location: Portland, OR

Member

I have another question on my Model K100 8, serial number #44732 combo amp. It has 4 10" speakers which are in need of a recone job. I've got an option to buy 4 fairly new Jensen speakers, all of them Fender Special Design (with the gold label) that came from a 90s Fender Blues DeVille. The problem is that they are 8 ohm speakers and I assume that 4 ohm is the optimal load for the Kustom. Does anyone have any comments on whether replacing the original speakers, which I'm not sure what they are, with the new 8 ohm jensens?? thanks for any help.
Dave

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Re: speaker question on K100 [message #7387 is a reply to message #7386]

Fri, 25 August 2006 17:05

davohilts
Messages: 40
Registered: August 2006
Location: Portland, OR

Member

as an additional note I have read the post on C100's really wanting an 8 ohm load so now I'm wondering why I thought 4 ohms was best. I opened up the back of the cab and have found eminance speakers #67-6935, these speakers have a couple tears in the cones that I've repaired using superglue but feel if I really start using them they will probably fall apart.

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Re: speaker question on K100 [message #7393 is a reply to message #7386]

Mon, 28 August 2006 07:45

stevem
Messages: 4746
Registered: June 2004
Location: NY

Senior Member

Hi, Yes the 100s want a 8 ohm load minimum.If your inclined to get new speakers I would get yours reconed since the are original and will maintain the value of the amp, or at least hold on to them for future reconing.If your repair is working then you may want to just use them, only thing is did the cones your repaired fail from dry rot or where they ripped in some other way.If you have any other cones that need to be fixed by a small cheap speaker from raido shack(if you do not have one already) and cut out a section of its cone to bridge the ripped section on the speaker you are fixing and use your silicone glue.The original eminence drivers do not seem to blow out their voice coils any where near as easy as the CTS drivers that kustom used, and the amps that I have heard with the eminence drivers have a better midrange to them than the CTS speakers.

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Re: speaker question on K100 [message #7394 is a reply to message #7386]

Mon, 28 August 2006 07:47

stevem
Messages: 4746
Registered: June 2004
Location: NY

Senior Member

Sorry, so 4 16 ohm drivers wired in serise parallel will get you 8 ohms.

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Re: speaker question on K100 [message #7395 is a reply to message #7394]

Mon, 28 August 2006 08:50

C4ster
Messages: 686
Registered: June 2001
Location: Mukwonago, WI (Milwaukee...

Senior Member

Sorry Steve, but 4 16's in series parallel would be 16 ohms. Either 2 16's in series to give 32 and then 2 sets in parallel would yield 16 ohms again or 2 16's in parallel to give 8 ohms and then 2 sets of those in series to give 16. Either way works.
Conrad

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Re: speaker question on K100 [message #7398 is a reply to message #7386]

Mon, 28 August 2006 12:39

stevem
Messages: 4746
Registered: June 2004
Location: NY

Senior Member

Thanks for checking me once again!Sorry, I got to wake up more when I do these post in the AM hours.

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Re: speaker question on K100 [message #7400 is a reply to message #7398]

Mon, 28 August 2006 13:12

C4ster
Messages: 686
Registered: June 2001
Location: Mukwonago, WI (Milwaukee...

Senior Member

It is not my intention to point out your mistakes. Sorry if you get that impression. I just remember that it takes 4 speakers to return to the original impedance value. Pretty soon you will find one of mine and then vengance will be yours. Laughing

Conrad

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Re: speaker question on K100 [message #7405 is a reply to message #7386]

Tue, 29 August 2006 07:35

stevem
Messages: 4746
Registered: June 2004
Location: NY

Senior Member

Its great to have other people, or as many people involved at helping folks out as possible. I do not mind the review in the least! so please don`t stop as it serves good for all of us!

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Re: speaker question on K100 [message #7406 is a reply to message #7405]

Tue, 29 August 2006 08:21

C4ster
Messages: 686
Registered: June 2001
Location: Mukwonago, WI (Milwaukee...

Senior Member

Thanks.
Conrad

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