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

Antennivahvistimen tyyppi valitaan käyttötilanteen mukaan. Eri vahvistintyypit ratkaisevat erilaisia signaalihaasteita.

  • Mastovahvistin sijoitetaan antennin läheisyyteen ja vähentää pitkän kaapelimatkan aiheuttamaa signaalihäviötä
  • Jakovahvistin kompensoi signaalin jakamisesta aiheutuvan heikkenemisen useammalle vastaanottimelle
  • Sisävahvistin asennetaan kaapelin väliin ja sopii tilanteisiin, joissa signaali tarvitsee pientä lisävahvistusta

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.

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