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Znatizelja... zasto su NAIM pojacala ...sposobna :)

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#1
SHAVIJA

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Pa ovako, na dosta sistema po netu sam video dosta zahtevnih kutija koje se pogone Naim amplifikacijom, pogotovo starijih neosetljivih pa me zanima "odakle" posto sam video dosta Naim uredjaja koji iznutra, bar na moje polustrucno oko, ne izgledaju kao naprimer Aleph 5 a kostaju slicno, znaci "Odakle" :tongue10: . Takodje to je jedan od zvukova s kojima bi mogao da zivim,pored Hirage i F5 pa me zanima jeli neko gledao shemu i sta misli.
:buehehe:
“Education develops the intellect; and the intellect distinguishes man from other creatures. It is education that enables man to harness nature and utilize her resources for the well-being and improvement of his life. The key for the betterment and completeness of modern living is education. But, ' Man cannot live by bread alone '. Man, after all, is also composed of intellect and soul. Therefore, education in general, and higher education in particular, must aim to provide, beyond the physical, food for the intellect and soul. That education which ignores man's intrinsic nature, and neglects his intellect and reasoning power can not be considered true education.”

#2
stonE_Cold

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То би и Ја волео да знам.

Тотална помама за тим уређајима.

стоН_Колд

#3
stein

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Da li rade u A klasi? Quad 405 praktično radi u B klasi i deluje "smešno" kada ga pogledaš. Bar sa aspekta hardvera. Arcam Alpha8 ima neku smejuriju od hladnjaka koja bi bila mala i za neki stabilizovani ispravljač za neki preamp a sasvim pristojno isporučuje deklarisanih 50w/8...

http://www.storyofstuff.org/ think about it...


#4
SHAVIJA

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Meni Naim izgleda osrednje popunjeo na slici a uzivo je jos manji a kazu ima snage kolko oces. Sto se Arcama 8 ja nesto nisam bio odusevljen snagom.
“Education develops the intellect; and the intellect distinguishes man from other creatures. It is education that enables man to harness nature and utilize her resources for the well-being and improvement of his life. The key for the betterment and completeness of modern living is education. But, ' Man cannot live by bread alone '. Man, after all, is also composed of intellect and soul. Therefore, education in general, and higher education in particular, must aim to provide, beyond the physical, food for the intellect and soul. That education which ignores man's intrinsic nature, and neglects his intellect and reasoning power can not be considered true education.”

#5
Impuls

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Mislim da bi Nesic trebao da se ukljuci u ovu pricu. Mene naim strahovito podseca na Aksa pojacala. Mozda gresim, nemam semu pred sobom ali mi se tako nesto cinilo slicno.

#6
Sipi

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Pogledaj porukuSHAVIJA, za 17 January 2010 - 18:58, kaže:

... to je jedan od zvukova s kojima bi mogao da zivim,pored Hirage i F5 pa me zanima jeli neko gledao shemu i sta misli. :tongue10:
Moze s time da se zivi al' ne duze od sat vremena (bar mene pocne posle toga snazno da iritira). Najstandardnija zilava AB-class topologija (sve je to izmislio Bongiorno '71.g., sto bi rekao dvv) - ogorman open loop gain i ogromna negativna povratna sprega doprinose da to zvuci snazno, utegnuto, precizno al' je naporno do zla boga (LM3886 je bolji amp od Naima 250, po mom skromnom misljenju).
Fakat je da je Naim ekonomican - i sa skromnijim napajanjem se ne "gubi" na problematicnim kutijama jer snagu povlaci u impulsima, a ogromna povratna sprega se stara o maloj izlaznoj impedansi (par milioma) i velikom damping faktoru.
Znaci tehnicki (merno) - k'o bog, za slusanje duze od sat vremena - ne d'o bog!
Shavija ne vracaj se unazad, to je amp za decije zurke.
Evo seme NAP 250:
NAP250 schematic.gif
ILI LAKO, IL' NIKAKO

#7
SHAVIJA

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Decije zurke :tongue10: , ma ne vracam se ja nigde, ostajem na pravom putu nego me uvek zanimalo ...
Cinjenica je da se dosta ljudi lozi na njih pored zive Monice Belucci.evo njena slika :buehehe:
“Education develops the intellect; and the intellect distinguishes man from other creatures. It is education that enables man to harness nature and utilize her resources for the well-being and improvement of his life. The key for the betterment and completeness of modern living is education. But, ' Man cannot live by bread alone '. Man, after all, is also composed of intellect and soul. Therefore, education in general, and higher education in particular, must aim to provide, beyond the physical, food for the intellect and soul. That education which ignores man's intrinsic nature, and neglects his intellect and reasoning power can not be considered true education.”

#8
Zen Mod

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Pogledaj porukuSipi, za 17 January 2010 - 19:41, kaže:

.......to je amp za decije zurke.


pu !

kud si se prvi javio ........ ote mi rec iz usta

:tongue10:
Ovo je forum gde svi mogu pisati sve sto žele ;
ali kada nemaju šta da napišu , neka to i ne napišu .

#9
SHAVIJA

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hahaha jeste bre ko deca, to je amp za vas :tongue10:
“Education develops the intellect; and the intellect distinguishes man from other creatures. It is education that enables man to harness nature and utilize her resources for the well-being and improvement of his life. The key for the betterment and completeness of modern living is education. But, ' Man cannot live by bread alone '. Man, after all, is also composed of intellect and soul. Therefore, education in general, and higher education in particular, must aim to provide, beyond the physical, food for the intellect and soul. That education which ignores man's intrinsic nature, and neglects his intellect and reasoning power can not be considered true education.”

#10
zerowaf

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Pogledaj porukuSipi, za 17 January 2010 - 19:41, kaže:

Moze s time da se zivi al' ne duze od sat vremena (bar mene pocne posle toga snazno da iritira). Najstandardnija zilava AB-class topologija (sve je to izmislio Bongiorno '71.g., sto bi rekao dvv) - ogorman open loop gain i ogromna negativna povratna sprega doprinose da to zvuci snazno, utegnuto, precizno al' je naporno do zla boga (LM3886 je bolji amp od Naima 250, po mom skromnom misljenju).
Fakat je da je Naim ekonomican - i sa skromnijim napajanjem se ne "gubi" na problematicnim kutijama jer snagu povlaci u impulsima, a ogromna povratna sprega se stara o maloj izlaznoj impedansi (par milioma) i velikom damping faktoru.
Znaci tehnicki (merno) - k'o bog, za slusanje duze od sat vremena - ne d'o bog!
Shavija ne vracaj se unazad, to je amp za decije zurke.
Evo seme NAP 250:
Privrženost NAP250 schematic.gif


MOže li se i ovdje upotrebiti ona mehaničarska: " There is no replacement for cubic displacement"? :tongue10:
"Čvrsto vjerujem u pravilo kompenzacije.

Istinite nagrade su uvijek u razmjeru
s radom i žrtvama."
-Nikola Tesla-

mislim, što se slika tiče ...lkebiga majo sam popho... :)


#11
stein

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Pogledaj porukuSHAVIJA, za 17 January 2010 - 19:37, kaže:

Meni Naim izgleda osrednje popunjeo na slici a uzivo je jos manji a kazu ima snage kolko oces. Sto se Arcama 8 ja nesto nisam bio odusevljen snagom.

Ja sam se začudio kako to uopšte neko prodaje kao pojačalo snage kada nema hladnjake, i onda ugledam neka sićušna rebarca... Paz' za 100€ svira predivno :tongue10:

http://www.storyofstuff.org/ think about it...


#12
Sipi

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Pogledaj porukuzerowaf, za 17 January 2010 - 20:15, kaže:

MOže li se i ovdje upotrebiti ona mehaničarska: " There is no replacement for cubic displacement"? :buehehe:
Ne moze, nije u pitanju izdasno projektovanje, vec naprotiv, stedljivo ali efikasno. :tongue10:
ILI LAKO, IL' NIKAKO

#13
zerowaf

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Pogledaj porukuSipi, za 17 January 2010 - 21:34, kaže:

Ne moze, nije u pitanju izdasno projektovanje, vec naprotiv, stedljivo ali efikasno. :tongue10:

Drago mi je što to kažeš.
Puno puta sam naišao na razmišljanje: Ako je više bolje, onda je previše taman!
A taj pristup mi je nekako preskup! :buehehe:
"Čvrsto vjerujem u pravilo kompenzacije.

Istinite nagrade su uvijek u razmjeru
s radom i žrtvama."
-Nikola Tesla-

mislim, što se slika tiče ...lkebiga majo sam popho... :)


#14
BlueSkyNIS

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Pogledaj porukuSipi, za 17 January 2010 - 19:41, kaže:

Moze s time da se zivi al' ne duze od sat vremena (bar mene pocne posle toga snazno da iritira). Najstandardnija zilava AB-class topologija (sve je to izmislio Bongiorno '71.g., sto bi rekao dvv) - ogorman open loop gain i ogromna negativna povratna sprega doprinose da to zvuci snazno, utegnuto, precizno al' je naporno do zla boga (LM3886 je bolji amp od Naima 250, po mom skromnom misljenju).
Fakat je da je Naim ekonomican - i sa skromnijim napajanjem se ne "gubi" na problematicnim kutijama jer snagu povlaci u impulsima, a ogromna povratna sprega se stara o maloj izlaznoj impedansi (par milioma) i velikom damping faktoru.
Znaci tehnicki (merno) - k'o bog, za slusanje duze od sat vremena - ne d'o bog!
Shavija ne vracaj se unazad, to je amp za decije zurke.
Evo seme NAP 250:
Privrženost NAP250 schematic.gif

LM3886 takođe ima veliko pojačanje otvorene petlje, 100+ dB. Možda LM3886 lepše zvuči jer mu je izlazni stepen obuhvaćen milerovom kompenzacijom, pa se na taj način smanjuju crossover izobličenja?

<<<><><><><><><><><><>>>
Windows free with Linux
<<<><><><><><><><><><>>>


#15
Sipi

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LM3886 sam pomenuo samo zato sto je topoloski komparabilan a ipak bolje zvuceci - mislim da nije poenta thread-a da razvlacimo pitu zasto je to tako, vec da pomognemo jednom mladom coveku da se resi iluzije da od Naima treba ocekivati bilo sta pismeno :tongue10:
ILI LAKO, IL' NIKAKO

#16
zbotic

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Ovo gore na shemi ne bi trenutno ušlo u 20 prvih projekata koje bih radio u samogradnji pored onog što se nudi na Internetu, čak i ako bih imao pločice.
ex dioklecijan

#17
stonE_Cold

stonE_Cold

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Pogledaj porukuzbotic, za 17 January 2010 - 23:49, kaže:

Ovo gore na shemi ne bi trenutno ušlo u 20 prvih projekata koje bih radio u samogradnji pored onog što se nudi na Internetu, čak i ako bih imao pločice.

Јес вала, а после писанија око ЛМ3886, само 3886.

стоН_Колд

#18
SHAVIJA

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Ajmo jopet :)

Cisto me zanima ta sinergija recimo Naim sa Isobarik, Sara zvucnicima koji su malo zahtevniji, tj skakucu od 2 do 4 ohm-a ...jel to moz biti istina ili ne, tj da ce taki sistem biti bolji od recimo Pass-a ili neceg drugog u A klasi ...znam da ovaj moj F5 fura pricu o prvom watu i visoko efikasnim kutijama pa se postavlja pitanje koriscenja istog sa niskoefikasnim kutijama 86 db i ohm-a koliko sam rekao... Cisto da vidim sta se desava sa tehnicke strane.
“Education develops the intellect; and the intellect distinguishes man from other creatures. It is education that enables man to harness nature and utilize her resources for the well-being and improvement of his life. The key for the betterment and completeness of modern living is education. But, ' Man cannot live by bread alone '. Man, after all, is also composed of intellect and soul. Therefore, education in general, and higher education in particular, must aim to provide, beyond the physical, food for the intellect and soul. That education which ignores man's intrinsic nature, and neglects his intellect and reasoning power can not be considered true education.”

#19
stein

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Neko kupuje Naim.... :sarcastic_hand:

http://www.storyofstuff.org/ think about it...


#20
SHAVIJA

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Postavljena slika

Ma ne kupujem nista jos, super radi F5, samo bih da se edukujem sto se tice slaganja krivulja 2 uredjaja :) i toj fami oko Naim-a i 100 grama delova u njemu i cene od...iha ha
“Education develops the intellect; and the intellect distinguishes man from other creatures. It is education that enables man to harness nature and utilize her resources for the well-being and improvement of his life. The key for the betterment and completeness of modern living is education. But, ' Man cannot live by bread alone '. Man, after all, is also composed of intellect and soul. Therefore, education in general, and higher education in particular, must aim to provide, beyond the physical, food for the intellect and soul. That education which ignores man's intrinsic nature, and neglects his intellect and reasoning power can not be considered true education.”



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