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> Ajutor in privinta legarii unui amplif., Vreau sa fiu sigur.

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StefanT
post 5 Nov 2005, 20:00
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Am achizitionat prin daewooclub.ro un amplificator American Legacy LA290. 4*100W. Intampin insa anumite dificultati in conecatare acestuia la HeadUnitul meu, Panasonic CQ-VN1100 ( http://image01.otto.de/pool/formatb/557467.jpg ). Acesta din urma are iesiri pre-amplificate de 2,5 V. Ce nu inteleg eu: ampliful are 2 tipuri de prize/mufe in care intra cablurile. Pt Low Input si High Input. Cele pt low input sunt de tipnormal, ca la spatele HU-ului, adica cu 2 fire in mufa. Cele pt High Level sunt de tip cu 4 fire in mufa.
Ce inteleg eu e ca Low Level reprezinta iesiri de 250mV si cele de HL de 2,5 V.
Pe cartea tehnica a cd-playerului meu scrie ca are iesirile pre-amplificate de 2,5 V, deci High level. Insa cartea amplifului nu da modul de conectare intre HU cu iesiri de HL pe canale cum e al meu, adica stanga dreapta cu ampliful.
El prezinta posibilitatile urmatoare:
-Low level 4ch stereo input from 2 ch audio spurce
-low level 4ch stereo input from 4ch audio source
-high levele 4ch stereo input from 4ch audio source (floating conection-ce inseamna?-)
-high level 4 ch stereo input from 4ch audio source (common ground connection-ce inseamna?-)

Asta presupune ca eu nu am cum sa leg cd-ul la acest amplif? Sau ce? Atasez manualul amplifului in pdf si o poza cu spatele sculelor. Daca va mai fi nevoie, voi mai atasa poze.
Sper sa ma ajutati. Ca nu vreau sa ard nimic. Ambele minuni au protectie la scurt-circuit, da mai bine sa fiu prudent.
Multumesc.


http://www.legacycaraudio.com/manuals/LA19...0-1490-1990.pdf


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IRONICK
post 5 Nov 2005, 21:30
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QUOTE(Steffyx @ 5 Nov 2005, 20:00)
El prezinta posibilitatile urmatoare:
-Low level 4ch stereo input from 2 ch audio spurce
-low level 4ch stereo input from 4ch audio source
-high levele 4ch stereo input from 4ch audio source (floating conection-ce inseamna?-)
-high level 4 ch stereo input from 4ch audio source (common ground connection-ce inseamna?-)


common ground - este masa comuna


This post has been edited by IRONICK: 5 Nov 2005, 21:30

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StefanT
post 5 Nov 2005, 21:48
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Merci mult. Engleza stiu si eu.


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IRONICK
post 5 Nov 2005, 22:09
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Ai intrebat ce inseamna si am raspuns.
Nu ti se potrivesc cablurile sau ce ? Fa-ti singur cablurile cu RCA-uri.


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StefanT
post 5 Nov 2005, 22:11
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Problema e ca eu pe RCA-ul amplificatorului am Low level si pe RCA-ul CD-playerului am High Level (de 2,5V).
Asta e problema.


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IRONICK
post 5 Nov 2005, 22:13
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QUOTE
Problema e ca eu pe RCA-ul amplificatorului am Low level si pe RCA-ul CD-playerului am High Level (de 2,5V).
Asta am inteles si eu.

Mufele cu 4 pini nu le ai ?

This post has been edited by IRONICK: 5 Nov 2005, 22:15


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StefanT
post 5 Nov 2005, 22:14
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Nu. Dar cred ca se gasesc de cumparat. Eu intai sa ma lamuresc ce si unde leg, si apoi cumapr mufele.


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IRONICK
post 5 Nov 2005, 22:20
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Pai dupa cum arata in schema, vedere din fata a mufei (cea pe care o bagi in amplif) ordinea ar trebui sa fie >> left/masa/masa/right.

Faptul ca inlocuiesti Left cu Right nu se arde nimic. Daca nu se potrivesc cum ti-am zis eu nu trebuie decat sa bagi RCA-urile invers in Panasonic-ul tau.

This post has been edited by IRONICK: 5 Nov 2005, 22:30


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StefanT
post 5 Nov 2005, 22:32
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Am 2 mufe cu 4 pini:
prima, canalele 1 si 2, + - - + (left, ground, ground, right)
a doua, canalele 3 si 4 + - - +(left, ground, ground, right)

Edit: Daca stii cum se numesc mufele alea cu 4 pini te rog sa imi spui.

Problema e ca nu am in cartea tehnica mod de conectare intre mufa de aia si mufa RCA la CD.

This post has been edited by Steffyx: 5 Nov 2005, 22:36


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marksman
post 6 Nov 2005, 18:03
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QUOTE(Steffyx @ 5 Nov 2005, 23:32)

Edit: Daca stii cum se numesc mufele alea cu 4 pini te rog sa imi spui.

Problema e ca nu am in cartea tehnica mod de conectare intre mufa de aia si mufa RCA la CD.
*



Cred ca sunt mufe ISO. Poti sa le cumperi din magazinele de specialitate si sa faci singur legaturile. Bafta!


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StefanT
post 7 Nov 2005, 18:22
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L-am montat, si functioneaza f sexi.
Daca este interesat cineva sa fac poze, sa dau detalii, sa dea PM.
Se poate inchide, multumesc.


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IRONICK
post 7 Nov 2005, 19:17
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QUOTE(Steffyx @ 7 Nov 2005, 18:22)
functioneaza f sexi.
*



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This post has been edited by IRONICK: 7 Nov 2005, 19:17


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StefanT
post 7 Nov 2005, 19:21
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