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Old 13th August 2002, 03:58 PM   #1
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Default I need a really simle and fast amp to build

Please, someone must have a schematic that is simple enough for me to understand.

I recently purchased four Klispch KG-2.5 speakers and have no amplification for them. For those who are not familiar with these, their specs are:

2-way
93 dB sensitivity
75 watts RMS, 375 max
8 ohm

My first choice really would be to make a great sounding tube amp, but it seems as though it is all too complicated. I really need some amplification fast... these things look awesome and I want to hear their awesome sound too. Almost any power rating will do- from 3 watts to 100. I just need a VERY simple diagram with everything labled what it is and what it is rated at, including a power supply and how and where to hook it to the amp circuit. I have seen several designs here, but all of them include something I have no idea what it is. Please... someone... HELP!
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Old 13th August 2002, 04:00 PM   #2
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BTW, all i need is one channel, and the power supply. I can build four identical channels and run them off the same PS, right?
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Old 13th August 2002, 04:18 PM   #3
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take a look at this, seems simple enough.

lm 3876 impressions

enjoy,
ben
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Old 13th August 2002, 04:27 PM   #4
sam9 is offline sam9  United States
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Default Quick and dirty amp

Try the dual 65W kit (PM21) from www.marchandelec.com .

If you don't know how to put together a power supply from scratch order the PM11 PS to go with it.

If you get the full kit (PCB+heatsink+manual+parts) these wil go together really fast and easy. Go slow when installing the ICs - it is possible to break or short a lead if you are careless.

The enclosures, power switch, fuses and terminals are up to you.

If you want the enclosures and everything included in the kit, Velleman may be the answer. Look for them at www.qkits.com.
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Old 13th August 2002, 04:29 PM   #5
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Default Re: I need a really simle and fast amp to build

http://pub4.ezboard.com/ffakeidsfrm1
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Old 13th August 2002, 06:39 PM   #6
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easy amp....

LM12CLK 150W R.M.S 8ohm 0.01%THD low cost 16$
Attached Images
File Type: jpg lm12.jpg (42.8 KB, 862 views)
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Old 13th August 2002, 08:27 PM   #7
djdan is offline djdan  Romania
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For DJ BASS AMP ,

You have a little mistake. LM12CLK in this configuration can have only 70w / 8 ohm at +/- 38V . If it is used in bridge configuration can run on 160W/8ohm at +/- 30V with 0.1% THD.

Your project with STK4048 it is much better for this request.
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Old 14th August 2002, 12:12 AM   #8
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If you don't need much power, a Zen amp or some some integrated amp should do. Project 03 on http://sound.westhost.com is also very simple with a 60W output.

Good Luck!
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Old 14th August 2002, 11:45 AM   #9
paulb is offline paulb  Canada
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Quote:
Originally posted by Kilowatt
Project 03 on http://sound.westhost.com is also very simple with a 60W output.
There are many others there as well, there should be something suitable for what you want. The PCBs are available for very reasonable prices.
I don't recommend the LM12; it will be difficult finding sockets for it. An LM3886-type solution as recommended earlier is much easier to deal with. A PCB is available at the aforementioned site.
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Old 14th August 2002, 03:10 PM   #10
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i dont have a mistake!

150W 35V LM12CLK

http://www.logosfoundation.org/kursus/2001.html

80W 25V LM12CLK

http://web.mit.edu/rec/datasheets/LM12CL.pdf

120W 38V LM12CLK

look for LM12

http://www.relic.hr-free.com/NFpojac.../LA-LB-LM.html
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