victordascalescu54 Posted January 31, 2018 Share Posted January 31, 2018 Am de gand sa-mi pun in functiune vechiul radio Revox A76, dar am ramas fara antena dupa renovarea casei. As putea sa folosesc cu rezultate bune aceasta antena rotativa? PS. Locuiesc in Bucuresti si nu ascult decat FM analog adica RADIO ROMANIA MUZICAL Specificatii Antena TV SONETT SNA-950TG:castig dB: 95-145 dBrotire 360 de gradecanale VHF: 1-12canale UHF: 21-69frecventa 45-860MHzimpedanta: 75 Ohmdual volt. 110/220V AC 50-60 HZtelecomandaamplificatorrotordimensiuni antena: 58 x 57.5 x 48dimensiuni ambalaj: aprox. 46 x 22 x 10 cm Link to comment
Spitfire Posted January 31, 2018 Share Posted January 31, 2018 Aveti deja antena? daca nu, va sfatuiti sa nu cumparati porcaria aia, am avut asa ceva prin `99, e o gluma proasta chiar si pe UIF. Mai bine va confectionati un dipol+ un cablu coaxial de calitate, veti obtine mult mai mult decat cu aia. Daca nu va place sa bricolati gasiti antene de radio FM decente, inclusiv omnidirectionale. 1 Link to comment
QQme Posted January 31, 2018 Share Posted January 31, 2018 Vai,cistig 100dB,minciunica mare. Link to comment
Spitfire Posted January 31, 2018 Share Posted January 31, 2018 Antenele turcesti "Telecanac" cu "farfurie" ajunsesera sa aiba chiar si...5000 dB. Producatorul nu putea fi acuzat de minciuna, fiindca dB-lul nu e o marime fizice precum voltul, amperul (SI), ci exprima doar raportul dintre doua puteri. Producatorul turc poate s-o intoarca ca la Ploiesti, zicand ca a luat ca etalon o guma de mestecat Turbo, cand a masurat raportul ala de 5000 dB. Nu asta e problema acelei antene, ci proasta calitate a materialelor si executiei, practic nu ai nici un avantaj fata de o sarma ordinara pe VHF. Link to comment
lukeme Posted January 31, 2018 Share Posted January 31, 2018 Revox A76 are sensibilitate buna - 1uV - ar putea merge si cu o antena normala, fara amplificare: "Range: 87.5 to 108 MHz. Sensitivity: 1.0uV (FM). Signal to Noise Ratio: 70dB (FM). Distortion: 0.2% " Link to comment
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