{"id":39454,"date":"2022-06-01T22:36:07","date_gmt":"2022-06-01T20:36:07","guid":{"rendered":"https:\/\/www.altei.cz\/hifi\/?post_type=product&#038;p=39454"},"modified":"2023-11-30T14:53:45","modified_gmt":"2023-11-30T13:53:45","slug":"oldstep-basic-elektronkovy-phono-predzesilovac","status":"publish","type":"product","link":"https:\/\/www.altei.cz\/hifi\/produkt\/oldstep-basic-elektronkovy-phono-predzesilovac\/","title":{"rendered":"OldStep BASIC elektronkov\u00fd phono p\u0159edzesilova\u010d"},"content":{"rendered":"<p>P\u0159edzesilova\u010d Basic je koncipov\u00e1n v klasick\u00e9 high end minimalistick\u00e9 koncepci, jej\u00edm\u017e z\u00e1kladem je \u010dist\u00e1 t\u0159\u00edda A, zero feedback &#8211; tedy zcela bez zp\u011btn\u00e9 vazby a paraleln\u00ed pasivn\u00ed RIAA korekce. Legend\u00e1rn\u00ed elektronky 6922 &#8211; ECC88 v kaskodov\u00e9m zapojen\u00ed doru\u010duj\u00ed 40dB zes\u00edlen\u00ed s minimem zkreslen\u00ed a dobr\u00fdm pom\u011brem vlastn\u00edho \u0161umu elektronek k zesilovan\u00e9mu sign\u00e1lu. Tento p\u0159edzesilova\u010d je vhodn\u00fd pro MM p\u0159enosky v\u0161ech typ\u016f, vstupn\u00ed impedance je pevn\u011b nastavena na 47Kohm. Vstupn\u00ed zlacen\u00e9 konektory Neutric, kondenz\u00e1tory Audiophiler a pe\u010dliv\u011b vyb\u00edran\u00e9 a p\u00e1rovan\u00e9 elektronky OldStep dod\u00e1vaj\u00ed tomuto p\u0159edzesilova\u010di osobit\u00fd, velmi p\u0159\u00edjemn\u00fd zvuk. Nap\u00e1jen\u00ed je \u0159e\u0161eno zcela bez kompromisu odd\u011blen\u00fdm nap\u00e1jec\u00edm zdrojem, kter\u00fd poskytuje stabilizovan\u00e9 nap\u011bt\u00ed nejen pro anody elektronek, ale tak\u00e9 pro \u017ehav\u00edc\u00ed obvody. Samoz\u0159ejmost\u00ed je funkce soft start &#8211; pomal\u00fd n\u00e1b\u011bh \u017ehav\u00edc\u00edho a n\u00e1sledn\u011b anodov\u00e9ho proudu pro dosa\u017een\u00ed maxim\u00e1ln\u00ed \u017eivotnosti elektronek.<\/p>\n<p><a href=\"https:\/\/www.oldstep.com\/products\/elektronkovy-phono-predzesilovac-basic\/\" target=\"_blank\" rel=\"noopener\">V\u00edce zde<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<h4>RIAA phono 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