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Old 27th October 2010, 12:29 PM   #211
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Quote:
Originally Posted by AndrewT View Post
yes, it is very important.

Any schematic that shows different values should explain why it can be considered as a very rare exception.
ok thank you sir...

one more thing...
since i've been asking about bridging,
i'd like to know how grounded bridge topology differ from bridge tied load...
i ask this because somebody told me that his amp uses the said topology...
and i am very sorry i dont have the schema...

thanks...
ees
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Old 27th October 2010, 01:52 PM   #212
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thank you sir...

i see...a 22k resistor connects the two amps...
ahmmm...what is the idea behind???...
so i can implement it in any other amps that i may encounter...
please help...

tnx and regards...
ees...
Simple, output of first amp is connect to inverting input of second.
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Old 30th October 2010, 09:30 PM   #213
mihailo is offline mihailo  Serbia
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Apex550 almost finished. :-D
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File Type: jpg SDC10133 [1024x768].JPG (150.6 KB, 776 views)
File Type: jpg SDC10134 [1024x768].JPG (122.7 KB, 753 views)
File Type: jpg SDC10135 [1024x768].JPG (109.8 KB, 665 views)
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Old 30th October 2010, 09:39 PM   #214
mihailo is offline mihailo  Serbia
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And Apex ML3 tone control with STANDARD preamp...
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File Type: jpg SDC10137 [1024x768].JPG (112.8 KB, 265 views)
File Type: jpg SDC10138 [1024x768].JPG (110.0 KB, 245 views)
File Type: jpg SDC10139 [1024x768].JPG (116.3 KB, 222 views)
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Old 30th October 2010, 10:00 PM   #215
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Nice PCB with TO3 outputs on it, but can be smaler or you can add protect circuit.
What is 'standard preamp'?
Regards
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Old 31st October 2010, 05:20 AM   #216
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Default hi
Quote:
Originally Posted by mihailo View Post
And Apex ML3 tone control with STANDARD preamp...
hello sir nice work.....
__________________
jon
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Old 31st October 2010, 06:14 AM   #217
noobie is offline noobie  Philippines
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i have a question is this the right value of 100n= 0.1/100 mylar/ 104 ceramic and
470=.00047/100 mylar/ 471 ceramic?

can you give a limiter circuit for this amp.
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Old 31st October 2010, 08:23 AM   #218
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Originally Posted by noobie View Post
i have a question is this the right value of 100n= 0.1/100 mylar/ 104 ceramic and
470=.00047/100 mylar/ 471 ceramic?

can you give a limiter circuit for this amp.
For limiter see posts #179 and #181.
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Old 31st October 2010, 12:27 PM   #219
mihailo is offline mihailo  Serbia
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Standard preamplifier is the name of Borivoje Jagodic stereo preamp.
This is schematic and PCB of it.
Regards
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File Type: pdf stdprepcb[1].pdf (19.7 KB, 273 views)
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Old 31st October 2010, 12:47 PM   #220
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Standard preamplifier is the name of Borivoje Jagodic stereo preamp.
This is schematic and PCB of it.
Regards
I prefer dual pots for stereo preamp, see thread http://www.diyaudio.com/forums/solid...preamps-4.html post #39.
Regards
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