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Old 3rd June 2010, 11:07 AM   #1
Roushon is offline Roushon  India
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Default Suitable speakers

Hello,
Recently I completed a 100WRMS per channel amplifier using parallel of
two LM3886 for each channel. At the moment playing with some cheap speakers.
I started the project with very little expertise in audio electronics, although
I am an electronics hobbyist for a long time. Now I need some hi-end speakers
for the above amplifier. I have almost no idea about speakers, building one is a distant
dream (this was also the case when I thought of building the amplifier, but thanks to
diyaudio.com I could do this). I am searching the net for speakers, there are several with
very good reviews (like Wharfedale Diamond 9 series etc), but the price tag is a bit too
much for me. If there is no better (price wise) option without compromising on the quality, I
may have to go for this.
Can someone help me? I need two-way speakers. I may consider building
one, if it does not take too much time.

Best regards
Roushon
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Old 3rd June 2010, 12:04 PM   #2
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well , hello ! You said you were looking for speakers , indeed you were searching for enclosures ,alltogether .
Why don't you keep your old ones if the desperate fate wants your new amp to be faulty and fry them ?
You can buy whatever brand you like ,but first of all is better to listen before.
WYPIWYG...
Of course the diy route may bring you to more money-sucking than you would
expect when you buy a pair of used bookshelves or whatever.
There are a lot of projects in this forum and around the net ; I would suggest starting with a big OB ,which isn't difficult at all ,just a big hole and a little one on a baffle.
Then if you aren't satisfied with the results , you can carry those huge 12"
to another project...
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Old 3rd June 2010, 12:39 PM   #3
Roushon is offline Roushon  India
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Quote:
Originally Posted by picowallspeaker View Post
well , hello ! You said you were looking for speakers , indeed you were searching for enclosures ,alltogether .
Why don't you keep your old ones if the desperate fate wants your new amp to be faulty and fry them ?
You can buy whatever brand you like ,but first of all is better to listen before.
WYPIWYG...
Of course the diy route may bring you to more money-sucking than you would
expect when you buy a pair of used bookshelves or whatever.
There are a lot of projects in this forum and around the net ; I would suggest starting with a big OB ,which isn't difficult at all ,just a big hole and a little one on a baffle.
Then if you aren't satisfied with the results , you can carry those huge 12"
to another project...
Hi,
Thanks for the cautions and for the suggestions. The amplifier is
safe I think (with dc servo), it has 0.8mV offset on both channel.
But one never knows, even new branded amps are frying
speakers, such incidents I read in this forum before. Yes, I
must be careful.

I will look at the speaker project you mentioned.

Regards
Roushon.
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Old 3rd June 2010, 02:09 PM   #4
Roushon is offline Roushon  India
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Default Open Buffle

I just had a tour in the net regarding OB speakers. It is simple, but
not that much. The size!

Does it need some special crossover network? How does one calculate
the distance between the two drivers.

Thanks and regards
Roushon
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Old 3rd June 2010, 02:27 PM   #5
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Moved to Multi-Way
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Old 3rd June 2010, 06:56 PM   #6
Roushon is offline Roushon  India
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Quote:
Originally Posted by Cal Weldon View Post
Moved to Multi-Way
Thanks for moving the thread to the appropriate forum
which I was also thinking of but did not know how to do it.
I also found another thread in this forum answering some of
my questions.

Regards
Roushon.
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Old 3rd June 2010, 07:17 PM   #7
Loren42 is offline Loren42  United States
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Let's first talk about what your budget is.
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Old 3rd June 2010, 09:06 PM   #8
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Panomaniac started a thread on OB ,giving a good view on the subject ,describing particularly how and why the components of the filter were chosen .
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Old 4th June 2010, 06:40 AM   #9
Roushon is offline Roushon  India
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Quote:
Originally Posted by Loren42 View Post
Let's first talk about what your budget is.
Wharfedale Diamond 9.2 was my target to purchase. Here in India the cost is
about Rs 17000/-. Conversion to USDollar and Euro would be approximately 350 and
280 respectively. So my budget is around that value.

Regards
Roushon
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Old 4th June 2010, 06:41 AM   #10
Roushon is offline Roushon  India
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Join Date: Sep 2004
Location: Mumbai (Bombay)
Quote:
Originally Posted by picowallspeaker View Post
Panomaniac started a thread on OB ,giving a good view on the subject ,describing particularly how and why the components of the filter were chosen .
Thanks Pico for pointing out that thread. Last night I found it while searching the forum.

Regards
Roushon
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