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Old 14th February 2007, 11:35 AM   #31
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Default Those fakes tends to oscilate...so..you will use stop resistors and install

33 to 68 picofarads from Colector to Base...it may block oscilations...if continue....well....remove those fake ones.

Thank you..i am making some effort to provide all informations possible.

I will have to write the circuit description and inform the board size too.

regards,

Carlos
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Old 14th February 2007, 11:38 AM   #32
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Carlos,
it would be nice to have that pcb converted in black and white (black traces) - so that all of us that would not want to redraw the boards have it prepared to print them out and to use them for our photosensitive pcb's.......
please
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Old 14th February 2007, 11:39 AM   #33
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o.k. thanks for the reply - you are fast.....my God....
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Old 14th February 2007, 12:18 PM   #34
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Default All rigth sparkle...i will do it soon

I am doing fast because i have friends cooperating...you have made the first schematic...i have Greg Erskine cooperating...Hugh Dean is sending suggestions and evaluating the schematic, pointing errors...also Graham Maynard is helping all time long....Mr John Mateus use to help me too.... also Lineup is supporting me.

Well... with those guys things goes running faster and better...the problem is when i do not do things they suggest...the result will be errors that will soon be discovered...they must exist..this is normal to happen...every amplifier have something not so well made that has room to be tweaked, arranged, upgraded or updated.

regards,

Carlos
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Old 14th February 2007, 12:20 PM   #35
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Default Here is what i think about this amplifier.

My advertising...my propaganda.
.................................................. ...

Dx Amplifier

This amplifier join the simplicity of a bootstrapp
design with long time listening tests.
It is able to reproduce clear treble and deep bass
treble reproduction has not the common harsh
you may find in many industrial amplifiers.
The bootstrap operation, already push it to high
level of sonic quality.
You will feel the romance of its sound and will
dive into a nice ambience because of deep focus
off sound resolution.
The transient reproduction is fair, within the limits
of the good ones, the bass is a punch in you chin,
and will shake your leg’s hairs.
you will be you worried about your speaker
survival. Voice coil goes almost out of the limits,
out of the speaker chassis extructure, bass power
strong and decided…audio transference to speaker
is great, your speaker coil may lift from the magnetic
piece as happened with my woofer.

I want to say that this amplifier is not so good as
Others…it is better, because Ximple, because
Xcheap, having Xtraordinary sound and easy off
Construction.

Also you will not tune broadcasting stations with
This unit, .for sure!

Carlos...Destroyer X
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Old 14th February 2007, 12:30 PM   #36
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Default Here is the black and white image...the black dots at your rigth


Are made to install big electrolitic condensers for rails...i was not sure and i have asked Greg Erskine to let them optional...this way..the ones will use it can use wires to connect them into the supply input..others can cut them out or keep them just as decoration pieces.

Watch the colour diagram and you will see lines..they are for electrolitic condenser connections into the circuit...optional.

regards,

Carlos
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Old 14th February 2007, 12:32 PM   #37
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Default I am waiting Greg return to the computer to inform me the circuit size


And i will give you this information as also the circuit description.

Also i will prepare a voltage chart.

regards,

Carlos
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Old 14th February 2007, 12:35 PM   #38
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Default The lines i told ya are shown here, in this pretty colour diagram


Attached.

regards,

Carlos
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Old 14th February 2007, 12:43 PM   #39
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Default Beautifull work made by Greg...i will see if he has time enougth


To produce an artistic view of this board...populated with real parts.

regards,

Carlos
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Old 14th February 2007, 12:45 PM   #40
loek is offline loek  Netherlands
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plus C16 is short to ground....
Loek
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