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Preporuka - Gainclone 
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Gainclones, are so called because the original inspiration is a commercial product called the Gaincard amplifier, produced by 47Labs. This was the other commercial amplifier using a chip amp that had received rave reviews from the hi-fi press, and not a little controversy due to its selling price in relation to its material cost. I won't get into that argument. My view is that in a market place of many products, if a customer will pay a price for something, that is up to them.

Gaincard dodje 4000$,Gainclone sklepate za 40$ :D

http://www.enjoythemusic.com/magazine/equipment/999/47review.htm

Just when i feel a good understanding about audio, something like the 47 Laboratories Gaincard comes along and destroys it.

:clap:

http://members.lycos.co.uk/killonline/audio/amp05.jpg

moj uradak,vec godinu dana ceka reviziju,uredne plocice,bolje kablovinje i popratne elemente,bolje napajanje,potenciometre,ma sve...

korisni linkovi:

http://www.gainclone.com/

http://myweb.tiscali.co.uk/nuukspot/decdun/gaincloneindex.html

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FIAT Tipo 2.0 16v ie


Mon Aug 07, 2006 9:05 pm
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Ako se ne varam, na audiofil forumu je bilo govora kako ima razloga zasto je clone jeftiniji 100x:whistling:

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Mon Aug 07, 2006 9:15 pm
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jer je DIY? :lol:

naravno da ima razlika,ali su neusporedive sa razlikom u cijeni ;)

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FIAT Tipo 2.0 16v ie


Mon Aug 07, 2006 9:26 pm
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Kaj nije bilo govora kako je taj projekt s razlogom jeftin?

S druge strane, za 40usd sklepat pojacalo? Mozda plocicu, a gdje je jos trafo, kuciste, konektori, potenciometar... Imao sam ja u planu napravit GC-a ili tda ali sam na kraju odustao. Pa eto, prodajem za 200kn dijelove za amp koji ukljucuju sve dijelove, trafo i hladnjake te cak i gotove plocice. Jos samo kuciste i gladi bradu:laugh:

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Mon Aug 07, 2006 9:39 pm
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pa jedan dobar uradak ce doc 1000-1500 kn naravno,ali za stavit ga u funkciju je dovoljno i 300-400 kn :)

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FIAT Tipo 2.0 16v ie


Mon Aug 07, 2006 9:48 pm
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upravo to...zao mi se i samogradnja svidja.. mozesh recimo uzet potove iz chipoteke po 10kn. a zatim ih zamjenit recimo plavim alpsom za 10eura il koliko vec ida vidish kako cijena i kvaliteta rastu :D

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Mon Aug 07, 2006 9:53 pm
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Ja sam sebi nedavno slozio :bangin: 6 komada DC coupled sa feedback servom i stabiliziranim napajanjem za triamping/biamping samogradnjice sa Westra/Seas driverima.

Image

Image

Definitivno isplativo ulaganje.:thumbup: idol::


Mon Aug 07, 2006 9:54 pm
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Mrak :notworthy: :res:

to je 150-180 VA trafo za svaki kanal? i koje diode i elektrolite si koristio :)

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FIAT Tipo 2.0 16v ie


Mon Aug 07, 2006 10:11 pm
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Quote:
Mrak

to je 150-180 VA trafo za svaki kanal? i koje diode i elektrolite si koristio


Trafo je 200VA 2x28V za svaki monoblok (narucio sam izradu kod Batosa). Koristio sam gotove graetzove koje sam narucio od Vishaya. Ne sjecam se modela, GBL01 ili tak nesto. Elkoe sam koristio divljake iz Electronic Centra (Capxon). Spojio sam 3 x2200uF prije svakog stabilizatora u paralelu da smanjim ESR i poboljsam njihove performanse. Ispred stabilizatora je jos blok od 47nF.
Na plocici pojacala je jos 1000uF + 100nF. Blokovi su od Vife.


Mon Aug 07, 2006 10:29 pm
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pih :res:

tako nesto ocu i ja slozit jednog dana :)

kolko si samo love potrosio...6x200VA trafoi,jao :) a di je jos sve ostalo... :)

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FIAT Tipo 2.0 16v ie


Mon Aug 07, 2006 10:39 pm
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Quote:
kolko si samo love potrosio...6x200VA trafoi,jao a di je jos sve ostalo...


Pa, i nije bilo tak strasno. 6 Trafoa je doslo kakvih 1300kn. Vece cifre su jos bile za 36 elkoa od 2200uF, za 12 elkoa od 1000uF za 6 LM-ova, chincheve i banane, kabele i mrezne utikace, sklopke za paljenje, dok su ostale komponente poput otpornika i blokova smijesno jeftine.No, ipak, nabere se love i na sitnicama.
Prednost je bila sto sam hladnjake imao kod kuce, stranice pojacala sam radio od kruskovih dasaka koje sam takodjer imao, a ostatak kucista je od MDF-a koji je jeftin (prednju plocu sam furnirao u padouk).

Stvar bi bila znatno jeftinija da sam isao na minimalisicku verziju poput originalnog gaincarda.
Cijena LM-ova je danas strahovito mala, pogotovo kad pogledas da za tu lovu ne mozes kupiti nista gotovog sto bi bar priblizno dobro sviralo.

Prije sam napravio gro pojacala sa TDA7293 koja su nesto toplijeg zvuka i takodjer su dobra investicija za nekoga tko si zeli nesto kvalitetno napraviti za malo novaca.


Tue Aug 08, 2006 5:42 pm
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Ok ovo je fora sto si slozio al sto ce ti ih toliko? To ima svaki po 1 kanal? Kolka je izlazna snaga toga i jel to za Kucnu upotrebu ili in car?

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Tue Aug 08, 2006 7:37 pm
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pa ovo je home hifi dio foruma...

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Tue Aug 08, 2006 7:39 pm
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pa kucnu normalno...

6 kanala za stereo 3way biamping ;)

70wrms moze gurat jedan amp.

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FIAT Tipo 2.0 16v ie


Tue Aug 08, 2006 7:39 pm
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Za kucnu.
Ispocetka je trebao biti triamping, no u medjuvremenu sam se predomislio, pa ce biti biamping (po jedan amp na midbassima i jedan na visokotoncu).
Sa dva ampa viska sam mislio voziti sub u mostu, no odluka je pala na Peerless 830500 (XLS 12), te ce mi to biti preslabo da ga u potpunosti iskoristim, pa cu se vjerojatno rijesiti ta dva ampa kad slozim nesto jace za sub (kad uopce uspijem sloziti sub).

Zanimljivo je sto ampovi zbog serva imaju zero offset, pa ih je moguce spajati proizvoljan broj u paralelu (isprobano). No u praksi mi to ne pomaze puno jer nemam ESL za kojeg bih to koristio.


Tue Aug 08, 2006 11:49 pm
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