Antennivahvistimet
Antennivahvistimella vahvistetaan TV-antennin signaalia. Löydä sopiva antennivahvistin meiltä ja tilaa kätevästi verkosta!
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Antennivahvistin parantaa signaalin laatua
Antennivahvistin vahvistaa antennin vastaanottamaa signaalia, jolloin televisiokanavat näkyvät selkeämpinä ja häiriöttömämpinä. Vahvistin on erityisen hyödyllinen silloin, kun asunto sijaitsee kaukana lähettimestä, rakennuksen rakenteet vaimentavat signaalia tai antennikaapeli on pitkä. Myös useamman television kytkeminen samaan antenniverkkoon voi heikentää signaalia, jolloin antennivahvistin auttaa pitämään kuvanlaadun tasaisena jokaisessa huoneessa.
Sisä- ja ulkokäyttöön sopivat antennivahvistimet
Antennivahvistimet jaetaan tyypillisesti sisä- ja ulkokäyttöön tarkoitettuihin malleihin. Sisävahvistin asennetaan antennikaapelin väliin sisätiloissa, ja se soveltuu hyvin esimerkiksi kerrostaloasuntoihin, joissa signaali on valmiiksi kohtuullinen mutta tarvitsee pientä lisäpotkua. Ulkovahvistin puolestaan asennetaan suoraan antennin yhteyteen ja on suunniteltu kestämään sääolosuhteet. Se on tehokas valinta silloin, kun signaali on jo lähtökohtaisesti heikko ennen kaapelointia.
Mastovahvistin ja jakovahvistin eri tarpeisiin
Mastovahvistin sijoitetaan antennin välittömään läheisyyteen, jolloin signaali vahvistetaan ennen kuin se kulkee pitkän kaapelimatkan läpi. Tämä vähentää kaapelissa syntyvää signaalihäviötä tehokkaasti. Jakovahvistin taas on suunniteltu tilanteisiin, joissa sama antennisignaali jaetaan useammalle vastaanottimelle tai televisiolle. Se kompensoi jakamisesta aiheutuvan signaalinheikkenemisen ja pitää kuvanlaadun hyvänä kaikissa pisteissä.
Valitse oikea antennivahvistin
Sopivan antennivahvistimen valintaan vaikuttavat muun muassa asennuspaikka, antennityyppi, kaapelin pituus sekä liitettävien televisioiden määrä. Vahvistimen vahvistusarvo ilmoitetaan desibeleinä, ja oikean vahvistustason valinta on tärkeää, sillä liiallinen vahvistus voi heikentää signaalia yhtä lailla kuin liian pieni. Verkkokauppa.comin valikoimasta löydät antennivahvistimet useisiin eri käyttötarpeisiin – tutustu valikoimaan ja löydä omaan asennusympäristöösi sopiva malli edulliseen hintaan ja nopealla toimituksella.