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Old 20th January 2006, 02:02 AM   #1
jdubs is offline jdubs  United States
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Hello All

I'd really like to get in on this chip amp thing....to power a pair of JBL 4648 bass bins (8-ohm, 100db. / 1 watt). Should be a good match up I think.

I would need the gain to be quite high (like 35db.) due to the rest of my system (109db Oris horns with a Red Wine Audio battery amp).

Is anyone interested in helping me out with the building of an amp?

If so, please shoot me a message and we can talk. Thanks!

-Jim
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Old 20th January 2006, 01:29 PM   #2
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Old 3rd November 2006, 07:48 AM   #3
hum4god is offline hum4god  United States
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hi
am just curious what came out of your chip amp idea for the oris bass .
i am also looking to get an oris system built and struggle a bit with the intgration of the bass ( crossover and attenuation / amplification)
perhaps you can help

i know the post is old ,but , not for me.

malcolm
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Old 4th November 2006, 03:09 PM   #4
jdubs is offline jdubs  United States
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malcom

Sorry for the delay.

I actually ended up with a Crown K2 amp...not exactly a chip amp! But its got a crazy high damping factor giving it the great ability to control the JBL 2226 drivers in my bass cabinets.

For a crossover, I ran the Oris horns full range and crossed the bass bins in at 160hz. using a Marchand XM-44 crossover....which worked REALLY well.

Hopefully that's helpful. I'm sure a chip amp solution would work out well...I was just anxious and the Crown amp came up.

-Jim
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Old 4th November 2006, 11:40 PM   #5
hum4god is offline hum4god  United States
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Default marchand

thanks for the information.
interesting, i was just looking at the marchand.
but i thought that there were smaller x overs offered that would do the job.
or are you using the xm-44 for both the horn and the bass?
i have to read a kittle more about the marchant options .
if you have some more ideas which other model could work if only needed for the bass let me know.

thanks
malcolm
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Old 5th November 2006, 12:31 AM   #6
jdubs is offline jdubs  United States
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Default Re: marchand

Quote:
Originally posted by hum4god
thanks for the information.
interesting, i was just looking at the marchand.
but i thought that there were smaller x overs offered that would do the job.
or are you using the xm-44 for both the horn and the bass?
i have to read a kittle more about the marchant options .
if you have some more ideas which other model could work if only needed for the bass let me know.

thanks
malcolm
I'm sure there are other crossovers that can do the job. The Marchand is nice in that it is easy to swap out crossover points. I would have loved to gone with a cheaper one, but ended up with the Marchand based on LOTS of research.

Plus, have you looked at the filter on Bert's page? It looks easy enough to make.

I was running the horns full range and the bass cabinets off the Marchand, with a 160hz roll-off point. Worked out really well in my room.

Feel free to hit me with any more questions. I love talking about that system and am really missing it in my small(er) NYC apartment.

-Jim
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Old 6th November 2006, 11:46 PM   #7
CarlosT is offline CarlosT  United States
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Yeah...is there such a thing as local chipamp clubs? Anyone around Philly?
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