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Old 6th September 2010, 06:51 PM   #671
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Default Dear Mario.... go to the brazilian forum, the HTForum, and search

For Miguel Nabuco.

He is starting a group buy for parts...boards already shipped..now they will start for parts.....there you may have parts from a guaranteed supplier.

regards,

Carlos
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Old 6th September 2010, 09:54 PM   #672
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Well...this amp would probably be just what I need for my Seas Nextel 2-way speakers Have few questions also...


How much is the gain actually of Dx Blame amplifier? Also...could be any issues driving speakers loads, that have some impedance dips to 3 ohms?


Are there any K/W heatsink dissipation factor recomended for normal operation of this amp?
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Old 6th September 2010, 10:19 PM   #673
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Default 26 times is the gain..you enter with 750 milivolts rms and the output will

be 20 volts rms....but this is adjustable...we can have all the gain you want, and also adjust it to face preamplifiers having 8 volts output.

I have tried with 3.5 ohms and in parallel a 2.2uf capacitor..and worked fine..even with high frequencies and square waves entering...even clipping and saturating....but i cannot guarantee 3 ohms.......maybe.... i suppose yes..

regards,

Carlos
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Old 6th September 2010, 10:39 PM   #674
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Great...seems it will be perfect match for my 6 dB preamp.


Which heatsink is recommended for normal use? Something around 0.55 K/W per channel?
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Old 7th September 2010, 09:57 AM   #675
AndrewT is offline AndrewT  Scotland
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Quote:
Originally Posted by supernet View Post
Which heatsink is recommended for normal use? Something around 0.55 K/W per channel?
that will run cool during the cold months and only warm during the hot months.
It will heat up slightly depending on how hard you drive your speakers. It should work anywhere in Europe.
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Old 7th September 2010, 08:31 PM   #676
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Concerning "Group Buy" for parts, Carlos:

This is something I will definitely do not.

I have 2 DIY friends, Ren in USA and EVETTE in Canada, whom I sent not only the DX Blame PCBs, but some parts as well.
The weight of the letters was > 500 gr and I had to declare them as parcels.

I sent the parcels end of July.
The parcels did not arrive until today.

Best regards - Rudi_Ratlos
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Old 7th September 2010, 11:18 PM   #677
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Default There's no problem about that...i have already big gratitude dedicated to you

as you took to yourself the responsability of a group buy..... i do think this is more than enougth.

regards,

Carlos
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Old 8th September 2010, 01:31 AM   #678
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Hello Mr.Carlos and Mr.Rudi,have you 2 gentlemen ever considered having a group buy for the DX precision amp?? Evette
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Old 8th September 2010, 01:38 AM   #679
Pocoyo is offline Pocoyo  Indonesia
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Hi

i hope you sent them by registered post
they will give you tracking number

so rudi can tracking them in germany
https://www.deutschepost.de/sendungs...e=en&init=true

but i thing trouble appear at canada post office
so evette can tracking them in
http://canadapost.ca/cpotools/apps/t...execution=e1s1

try to pick your package then
hope you success

Last edited by Pocoyo; 8th September 2010 at 01:44 AM.
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Old 8th September 2010, 05:55 AM   #680
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Default I am opened to that...i would like...but i need people to do it

I have no pay pall to money transference, also i have not international credit card to receive money from foreigner countries...also not money to apply on that...i have time and good will.... but health not perfect now a days...i am just healing.

Board quality, of made in Brazil products, are worse than these ones you have in North America, Europe or South Africa.

I do think Rudi is already busy enought with the Dx Blame group buy.... this produces a lot of work and take a lot from our time... Rudi works daily, as he has expertise in computers..he has not time, even to the Dx Blame...imagine if he can face the Precision 1.

This amplifier, the Precision 1, and the HRII had group buys in the past, each one of them sold around 30 kits when we had Nordic around.... sadly, i have suspection he passed away.

I do have, at my home (the main appartment, not this one i am now that belongs to ex wife) the Gerber files in my computer HD.

The group buy:

Destroyer x Amplifier DX HDII version.

Nordic confused the letters...the amplifier is High Resolution II...not High Definition II....in this same group buy he runned orders to the Precision one and an delayed insertion manufactured by Nordic)

regards dear Evette,

Carlos
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Last edited by destroyer X; 8th September 2010 at 05:59 AM.
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