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Old 7th April 2011, 01:39 PM   #1
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Default 100w amplifier

I need a simple scheme of 100W amplifier. I have read a lot of similar themes, but I have not found anything suitable. I found a few but the reading of certain instruments are not working or bad quality.
Offer tested schemes. And cheap.
Thank you.
Modest

Last edited by blindmole; 7th April 2011 at 01:43 PM.
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Old 7th April 2011, 05:06 PM   #2
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someone help me
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Old 7th April 2011, 05:52 PM   #3
Bone is offline Bone  United Kingdom
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Look here 60-80W Power Amplifier or here http://users.tpg.com.au/users/gerskine/dxamp/ both are 100 watt amplifiers and well tested. See also this thread http://users.tpg.com.au/users/gerskine/dxamp/ .
I suggest that you search this forum and also use Google as there are many tried and tested designs out there.
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Old 7th April 2011, 06:44 PM   #4
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thanks. now i have some questions:
60-80W Power Amplifier
to what can be changed Q7 and Q8?
and what is BR, SIM1 and SIM2?
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Old 7th April 2011, 06:49 PM   #5
simas-r is offline simas-r  Lithuania
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"ST151" 100W amplifier
gal sitas patiks?
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Old 7th April 2011, 06:52 PM   #6
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non english removed by moderation
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Old 7th April 2011, 08:13 PM   #7
jaycee is offline jaycee  United Kingdom
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What kind of power transistors can you get?

For 100W RMS into 8 ohm you need a circuit capable of running from 55v power supply rails. it will need at least 3 pairs of power transistors - perhaps two pairs of TO-3 type devices
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Old 8th April 2011, 11:00 AM   #8
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i dont know... i am from lithuania. so i buy parts ir lithuania shops. What can you offered a lower cost. I then look in Lithuania there is an
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Old 8th April 2011, 11:18 AM   #9
jaycee is offline jaycee  United Kingdom
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Then your problem is getting genuine power transistors. If you cannot get genuine MJ15003/4 or MJ15024/5 transistors, then you won't be able to get 100W.
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Old 8th April 2011, 12:23 PM   #10
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I cannot get genuine MJ15003/4 or MJ15024/5.I could not be 100W or less. maybe you can say what put in their place?

Last edited by blindmole; 8th April 2011 at 12:32 PM.
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