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Okolice Bluesa • Wyświetl temat - wzmacniacz UNISON

wzmacniacz UNISON

porady, zapytania itp.

Moderator: mods

wzmacniacz UNISON

Postautor: miksiu » grudnia 22, 2007, 6:52 pm

Witam,
Czy wie kto¶ co¶ o wzmacniaczach firmy Unison? Pierwszy raz zetknalem sie z ta marka. Ktos czegos takiego kiedys uzywal? Mam jeden "okaz". Wyglada na dosc stary. Dokladnie chodzi o taki:

Unison Handcrafted 130W
Lampy: przedwzmacniacz: 2x ECC83, koncowka mocy: 4xEL34 + jakas ze zdartym napisem
2 kanaly (normal i bright), z niezalezna regulacja wejscia i niezalezna regulacja wyjscia
Regulacja barwy: bass, midle, treble, dodatkowy przynisk podbijajacy wyzsze czestotliwosci (kojarzy mi sie z fenderowska "szklanka"), presence

Gra rewelacyjnie, tylko ostatnio na probie bardzo "buczal". Czy takie buczenie moze byc spowodowane przez np zuzyte/stare lampy?

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Postautor: Turgon » grudnia 22, 2007, 8:14 pm

Może, ale nie musi. Może też być problem z przydźwiękiem sieciowym lub też coś się spaprało z masą. Spróbuj uziemić chassis.
Jestem cynicznym nihilistą - nie jest mi wcale przykro, że Ci to przeszkadza.
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Postautor: remek4blues » grudnia 22, 2007, 10:03 pm

miałęm ten sam problem po zmianie 2 lamp, pisałęm o tym w innym temacie :D
Potencjometr też mialem lekko trzaśniety :) przeczyściłem go preparatem Kontakt 60 łącznie ze stykami i buczenie spadło o połowe :) ale nadal jest :) stare sprzęty trzeba często konserwować :)
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