| Êëàññè÷åñêèå âèíòàæíûå êîìïîíåíòû hi-fi › Ëó÷øèå ëàìïîâûå óñèëèòåëè è ðåñèâåðû êîìïàíèè Sansui | |||||||||
Ìîíîôîíè÷åñêèé óñèëèòåëü ìîùíîñòè Q-55 (1958) |
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Ìîíîôîíè÷åñêèå óñèëèòåëü Sansui Q-55 ïðåäíàçíà÷àëñÿ äëÿ èñïîëüçîâàíèÿ â øêîëå, â òåàòðå, â ñòóäèè, íà îòêðûòîé ïëîùàäêå, â êàôå è ò.ä.
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Ïðèìåíåííàÿ ñõåìà ôèêñèðîâàííîãî ñìåùåíèÿ, ýëåêòðîííûå ëàìïû 6CA7PP è ìîùíûå êðóïíîãàáàðèòíûå òðàíñôîðìàòîðû GT îáåñïå÷èâàþò áîëüøóþ âûõîäíóþ ìîùíîñòü ñ íèçêèì óðîâíåì èñêàæåíèé. |
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Êðîìå òîãî, ïîìèìî îòëè÷íûõ ýëåêòðè÷åñêèõ ñâîéñòâ ìîíîôîíè÷åñêèé óñèëèòåëü ìîùíîñòè Sansui Q-55 îáëàäàåò âûñîêîé ñòàáèëüíîñòüþ, è äëèòåëüíîå âðåìÿ ìîæåò ðàáîòàòü áåç ïåðåðûâà. |
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Óñèëèòåëü õîðîøî ðàáîòàåò ïðàêòè÷åñêè ñ ëþáûìè «òðóäíûìè» àêóñòè÷åñêèìè ñèñòåìàìè è ìîæåò áåç ïîòåðü è èñêàæåíèé èñïîëüçîâàòü äëÿ ïîäêëþ÷åíèÿ àêóñòè÷åñêèå ïðîâîäà áîëüøîé äëèíû. |
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Îêîí÷àòåëüíàÿ îòäåëêà óñèëèòåëÿ ïðåäïîëàãàåò äâà òîíà ìåòàëëè÷åñêîé êðàñêè. |
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Ìàêñèìàëüíàÿ ìîùíîñòü: 50 Âò; ×àñòîòíàÿ õàðàêòåðèñòèêà: 30 Ãö - 20 êÃö >3 äÁ; Èñêàæåíèÿ: 0,8% èëè ìåíüøå (100 Ãö), 0,5% èëè ìåíüøå (1 êÃö), 0,7% èëè ìåíüøå (10 êÃö); Îòíîøåíèå ñèãíàë/øóì: - 65 äÁ; Ñîïðîòèâëåíèå íàãðóçêè: 16 Îì; Íàïðÿæåíèå ïèòàíèÿ: AC100 âîëüò, 50/60 Ãö; Ðàçìåðû: Øèðèíà: 391 ìì, Âûñîòà: 196 ìì, Ãëóáèíà: 125 ìì; Âåñ: 10,5 êã. |
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Óñèëèòåëü ìîùíîñòè Q-3535 (1958) |
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Íåâàæíî, ÷òî ýòî çà ïðåäìåò. Íà ïåðâîì ìåñòå çäåñü, áåçóñëîâíî, äèçàéí. Çàêîí÷åííîå ðåøåíèå, ê êîòîðîìó íåâîçìîæíî, ÷òî-ëèáî äîáàâèòü èëè âûáðàòü äëÿ ñðàâíåíèÿ ñ íèì äðóãîé êîìïîíåíò, íåñìîòðÿ íà áîëüøîé ïåðèîä áîëåå 50 ëåò ñ ìîìåíòà åãî ñîçäàíèÿ. Áåññïîðíî ýòî âåëèêîëåïíûé óñèëèòåëü. |
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Óñèëèòåëü ìîùíîñòè Sansui Q-3535 èìååò âîñõèòèòåëüíûé äèçàéí è âåëèêîëåïíîå çâó÷àíèå êëàññà high end. Q-3535 áûë ñïðîåêòèðîâàí è óâèäåë ñâåò â 1958 ãîäó ñ ýëåêòðîííûìè ëàìïàìè 6CA7 (EL34). Óñèëèòåëü ìîùíîñòè Sansui Q-3535 ðàáîòàåò â äâóõòàêòíîì ðåæèìå è âûðàáàòûâàåò ìîùíîñòü ïî 35 Âò íà êàíàë. Ê òîìó âðåìåíè êîìïàíèÿ Sansui óæå âûïóñêàëà ïðîôåññèîíàëüíûå ìîíîôîíè÷åñêèå óñèëèòåëè âûñîêîé ìîùíîñòè, òàêèå êàê Q-50 (6CA7 PP 50 Âò), Q-55 (6CA7 PP 50 Âò) è Q-101 (6CA7 PP 100 Âò), îäíàêî, Q-3535 áûë ïåðâûé ñòåðåî óñèëèòåëü ìîùíîñòè îò Sansui. |
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Íåêîòîðûå èñòîðè÷åñêèå çàïèñè óêàçûâàþò, ÷òî Q-3535 áûë èñïîëüçîâàí íå òîëüêî äëÿ äîìà, íî è íà ìåðîïðèÿòèÿõ è â êèíîòåàòðàõ.  êà÷åñòâå îäíîãî èç óñèëèòåëåé êëàññà high end Q-3535 ïîìîã êîìïàíèè Sansui çàâîåâàòü ìèðîâîå ïðèçíàíèå. |
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| Êëàññè÷åñêèé ðåñèâåð SM-30 (1960) |
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 òî âðåìÿ ðåñèâåð SM-30 ÿâëÿëñÿ î÷åíü ñïåöèôè÷åñêîé ìîäåëüþ äëÿ Sansui.  ßïîíèè SM-30 ïîëó÷èë ïðåñòèæíóþ íàãðàäó íà âûñòàâêå Composite Design Show. Òàêæå ðåñèâåð SM-30 óñïåøíî âûñòàâëÿëñÿ íà èòàëüÿíñêîé âûñòàâêå - 12-é Triennale ïðîõîäèâøåé â Ìèëàíå. Ïî ñëîâàì ã-íà Èñèãóðî èç Hashimoto electric, ðåñèâåð Sansui áûë ñïðîåêòèðîâàí îñíîâàòåëåì êîìïàíèè ã-íîì Êèêó÷è åùå äî 1958 ãîäà, îäíàêî, íå ñìîòðÿ íà ïðåâîñõîäíûå çâóêîâûå êà÷åñòâà, íå èìåë óñïåøíûõ ïðîäàæ èç-çà íå î÷åíü ïðèâëåêàòåëüíîãî âíåøíåãî âèäà. |
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 1959 ãîäó ïîÿâëÿåòñÿ íîâûé ïðîåêòèðîâùèê ã-í Âàòàíàáå è åìó áûëà ïðåäîñòàâëåíà âîçìîæíîñòü äëÿ ðàçðàáîòêè íîâûõ óñèëèòåëåé. Íîâàÿ ìîäåëü SM-20 çàâîåâàëà ìãíîâåííûé óñïåõ áëàãîäàðÿ ñâîåìó ñîâðåìåííîìó äèçàéíó. SM-30 áûë ñëåäóþùàÿ ìîäåëü ðåñèâåðà, êîòîðàÿ âûøëà ñðàçó ïîñëå óñïåõà ìîäåëè SM-20. Ðåñèâåð SM-30 îáîðóäîâàí 2-ìÿ òþíåðàìè (îäèí èç íèõ áûë ïîäãîòîâëåí äëÿ ñòåðåî âåùàíèÿ â äèàïàçîíå AM), à òàêæå FM-òþíåð. Ðåñèâåð SM-30 áûë ïîñëåäíåé ìîäåëüþ êîìïàíèè Sansui, ãäå äëÿ àêòèâíûõ êîìïîíåíòîâ èñïîëüçîâàëèñü ýëåêòðîííûå ëàìïû. |
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Êëàññè÷åñêèé ðåñèâåð SM-80 (1961) |
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Ïîñëå òîãî êàê êîìïàíèÿ Sansui óêðåïèëà ñâîþ ðåïóòàöèþ âûïóñòèâ ðåñèâåð SM-30 â 1961 ãîäó áûë ñïðîåêòèðîâàí è èçãîòîâëåí áîëåå ìîùíûé è âûñîêîêëàññíûé ðåñèâåð ìîäåëè SM-80.  ñõåìå SM-80 ðàáîòàþùåì â äâóõòàêòíîì ðåæèìå ïðèìåíÿþòñÿ ýëåêòðîííûå ëàìïû ñ ôèêñèðîâàííûì ñìåùåíèåì 25E5, à óñèëèòåëü âûðàáàòûâàåò ìîùíîñòü ïî 33 Âò íà êàíàë ñ èñêàæåíèÿìè ìåíåå ÷åì 1%. |
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Ñåêöèÿ òþíåðà SM-80 ïî÷òè èäåíòè÷íà ñ ðåñèâåðîì ìîäåëè SM-30 è èñïîëüçóåò äâà òþíåðà. Îäíàêî åñòü ñóùåñòâåííîå èçìåíåíèå ïî ñðàâíåíèþ ñ ìîäåëüþ SM-30, äåëî â òîì, ÷òî ðåñèâåð SM-80 èñïîëüçóåò óñèëèòåëüíûé êàñêàä, êîòîðûé ñîñòîèò èç äâóõ òðàíçèñòîðîâ NPN íà êàíàë äëÿ âõîäíûõ ñèãíàëîâ íèçêîãî óðîâíÿ (ýòî ôîíîêîððåêòîð ÌÌ; ìèêðîôîí è äëÿ âõîäà çàïèñè). Ýòîò ìåòîä èñïîëüçîâàíèÿ òðàíçèñòîðîâ â ñåêöèè ñèãíàëîâ íèçêîãî óðîâíÿ ñòàëà îáùåé êîíôèãóðàöèåé â ñõåìàõ êîìïàíèè Sansui, ïîêà Sansui íå ïðåêðàòèëà èñïîëüçîâàíèå â ñâîèõ óñèëèòåëÿõ ýëåêòðîííûõ ëàìï. |
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Ïðèìå÷àíèå: ïðè âîçîáíîâëåíèè âûïóñêà ìîäåëè ÀÑ-111 (ÀÑ-111 Âèíòàæ è ÀÑ-111 ã â 1999 è 2000 ñîîòâåòñòâåííî) â ñõåìå ôîíîêîððåêòîðà èñïîëüçîâàëñÿ òîëüêî îäèí òðàíçèñòîð. |
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Ñóùåñòâóåò ìíåíèå, ÷òî ðàíåå òðàíçèñòîðû áûëè ìåíåå äîñòóïíû, ïîýòîìó êîìïàíèÿ Sansui èñïîëüçîâàëà ëàìïû è äðóãîå ìíåíèå: Sansui ïðèìåíÿÿ ýëåêòðîííûå ëàìïû, áîðîëàñü çà ÷èñòûé è äîñòîâåðíûé çâóê. |
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Ìàêñèìàëüíàÿ ìîùíîñòü: 40 Âò íà êàíàë; ×àñòîòíûé äèàïàçîí: 10-80,000 Ãö +/- 1 äÁ; Ãàðìîíè÷åñêèå èñêàæåíèÿ: > 1% íà êàíàë ïðè ìîùíîñòè 33 Âò; Âûõîäíîå ñîïðîòèâëåíèå: 8, 16 è 32 Îì. |
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AM/FM ðåñèâåð ìîäåëü 1000 (1963) |
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AM/FM ðåñèâåð Sansui ìîäåëü 1000 âñòðå÷àåòñÿ îòíîñèòåëüíî ðåäêî, òàê êàê â òå÷åíèå îäíîãî ãîäà îí áûë çàìåíåí íà äðóãîé ðåñèâåð ìîäåëü 1000A. Îäíàêî îí íå îñòàëñÿ íå çàìå÷åííûì äàæå ñðåäè áîëüøîãî àññîðòèìåíòà ïðîäóêöèè Sansui. Ïðè ñðàâíåíèè ýòèõ äâóõ ìîäåëåé âîçíèêàåò ïðåäïîëîæåíèå, ÷òî ðåñèâåð 1000A ÿâëÿåòñÿ ìîäèôèöèðîâàííîé âåðñèåé ìîäåëè 1000, íî ðåàëüíîñòü òàêîâà, ÷òî ïî âíóòðåííåìó óñòðîéñòâó ýòî áûëè äâå ñîâåðøåííî ðàçíûå ìîäåëè. |
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Ìîæíî ñêàçàòü, ÷òî, ñêîðåå âñåãî ìîäåëü 1000 ýòî ìèíèàòþðíàÿ âåðñèÿ ðåñèâåðà SM-80. Ïðèíöèïèàëüíàÿ ñõåìà 1000 áûëà ïî÷òè èäåíòè÷íà ñõåìå SM-80. Ó ðåñèâåðà SM-80 äâà òþíåðà, à ó ìîäåëè 1000 ïðèìåíÿåòñÿ îäèí ìóëüòèïëåêñíûé òþíåð.  êîíñòðóêöèè ìîäåëè 1000 èñïîëüçóþòñÿ áîëåå ìåëêèå ÷àñòè, è îí ÿâëÿëñÿ íàèáîëåå ïðèãîäíûì äëÿ ìàññîâîãî ïðîèçâîäñòâà. Ðåñèâåð Sansui ìîäåëü 1000 ÿâëÿåòñÿ áàçîâûì êîìïîíåíòîì äëÿ ñëåäóþùåãî ïîêîëåíèÿ ïðîäóêòîâ Sansui, è åãî îñíîâíîé ñòèëü ïðîåêòèðîâàíèÿ íàøåë ñâîå ïðèìåíåíèå â èçäåëèÿõ 1970-õ ãîäîâ. |
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Ìóçûêàëüíàÿ ìîùíîñòü (IHFM): 100 Âò; RMS ìîùíîñòü: 2 x 40 Âò (1% HD); Ãàðìîíè÷åñêèå èñêàæåíèÿ: 0,1% (1 êÃö); ×àñòîòíûé äèàïàçîí: 20-20000 Ãö +/- 1 äÁ; Âûõîäíîå ñîïðîòèâëåíèå: 8 è 16 Îì. |
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Èíòåãðàëüíûé óñèëèòåëü AU-70 (1964)
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Äî 2002 ãîäà, â êîòîðîì êîìïàíèÿ Sansui ïðåêðàòèëà ñâîþ äåÿòåëüíîñòü ïî ïðîèçâîäñòâó hi-fi êîìïîíåíòîâ âñå ôëàãìàíñêèå èçäåëèÿ Sansui âñåãäà îáîçíà÷àëèñü áóêâàìè “AU”. Ïåðâûì âûñîêîýôôåêòèâíûì èíòåãðàëüíûì óñèëèòåëåì, êîòîðàÿ êîìïàíèÿ Sansui âûïóñêàëà, áûëà ìîäåëü 07, â 1976 ãîäó ýòî áûëà ìîäåëü AU-707, à ìîäåëü AU-717 ïîëó÷èëà ìåæäóíàðîäíóþ èçâåñòíîñòü è çàñëóæåííîå ïðèçíàíèå. |
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Âñå ýòè ðåôåðåíñíûå êîìïîíåíòû êîìïàíèè Sansui îñíîâàíû íà óñïåõå ìîäåëè AU-70 âûïóùåííîé â 1964 ãîäó. Sansui AU-70 ïåðâàÿ ìîäåëü êîíòðîëüíîãî óñèëèòåëÿ, ó êîòîðîé â îáîçíà÷åíèè ìîäåëè ïðèñóòñòâóþò áóêâû " AU". Óñèëèòåëü Sansui AU-70 â îáîçíà÷åíèè, êîòîðîãî ïðèñóòñòâóåò öèôðà "7" è ýòî òîæå îçíà÷àåò ÷òî-òî îñîáåííîå äëÿ Sansui. Ôèçè÷åñêè èíòåãðàëüíûé óñèëèòåëü AU-70 áûë äîâîëüíî ïðîñòûì ïî ñâîåé êîíñòðóêöèè êîìïîíåíòîì äëÿ Sansui, îäíàêî áëàãîäàðÿ ðàáîòå èñêëþ÷èòåëüíûõ âûñîêîêà÷åñòâåííûõ òðàíñôîðìàòîðîâ (7189A PP) óñèëèòåëü äåìîíñòðèðóåò âåëèêîëåïíîå çâó÷àíèå íåçàâèñèìî îò âûáðàííîãî äèàïàçîíà ìîùíîñòè. |
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Äî ñèõ ïîð î÷åíü ñëîæíî òðàíçèñòîðíûì óñèëèòåëÿì âîñïðîèçâåñòè ïîõîæèé íà AU-70 çâóê. |
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Ìàêñèìàëüíàÿ ìîùíîñòü: 25 Âò íà êàíàë; ×àñòîòíûé äèàïàçîí: 10 Ãö - 80 êÃö ± 1 äÁ; Ãàðìîíè÷åñêèå èñêàæåíèÿ: 0,15% (1 êÃö); Âûõîäíîå ñîïðîòèâëåíèå: 8 è 16 Îì; Âåñ: 13,7 êã. |
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Èíòåãðàëüíûé óñèëèòåëü AU-111 (1965) |
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Óæå â 1965 ãîäó áûëî ÿñíî, ÷òî ýðà ëàìïîâûõ óñèëèòåëåé áëèçèòñÿ ê çàâåðøåíèþ è èõ ìàññîâîå ïðîèçâîäñòâî ñêîðî ïðåêðàòèòñÿ. Ê ñîæàëåíèþ ýòî áûëî íåèçáåæíî. Òàêèì îáðàçîì, âåäóùèå èíæåíåðû êîìïàíèè Sansui ñîáðàëèñü âìåñòå, ÷òîáû â ïîñëåäíèé ðàç ñïðîåêòèðîâàòü ëàìïîâûé óñèëèòåëü, êîòîðûé ïîäâåë âñå èòîãè âûñîêèõ òåõíîëîãèé ýëåêòðîííûõ ëàìï Sansui. Îíè âñå îòäàâàëè ñåáå îò÷åò, ÷òî ýòî áûë ïîñëåäíèé ôëàãìàíñêèé ëàìïîâûé óñèëèòåëü, è îíè ñîñðåäîòî÷èëè âñå ñâîè çíàíèÿ è áîãàòûé îïûò íà ðåàëèçàöèè ãðàíäèîçíîãî ïðîåêòà.  ðåçóëüòàòå çîëîòûìè áóêâàìè èíòåãðàëüíûé óñèëèòåëü Sansui ìîäåëè AU-111 íàâñåãäà âïèñàí â èñòîðèþ hi-fi. |
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Ìóçûêàëüíàÿ ìîùíîñòü (IHFM): 96 Âò; Íîìèíàëüíàÿ ìîùíîñòü: 2 õ 45 Âò; Êîýôôèöèåíò íåëèíåéíûõ èñêàæåíèé: 0,8%; Ïåðåêðåñòíûå ìîäóëÿöèîííûå èñêàæåíèÿ (50 Ãö – 5, 5 êÃö): 0,8%; ×àñòîòíàÿ õàðàêòåðèñòèêà AUX: 20 Ãö - 50 êÃö ± 1 äÁ; Ãóë è øóì (IHFM) AUX:- 80 äÁ; Ôîíîêîððåêòîð:-70 äÁ; Ðàçäåëåíèå êàíàëîâ Phono: 45 äÁ, AUX: 50 äÁ; Ñîïðîòèâëåíèå íàãðóçêè: 8 Îì è 16 Îì; Ýëåêòðîííûå ëàìïû: 4 õ 6L6GC Ò, 5 12AX7, 2 õ 12BH7A, 1 6AQ8; Òðàíçèñòîðû: 2 õ 2SC-402; Äèîäû: SW-0.5a è 2 õ SW-0.5d; Íàïðÿæåíèå ïèòàíèÿ: AC100V/117V/220V/240V, 50Hz/60Hz; Ïîòðåáëÿåìàÿ ìîùíîñòü: 280VA; Ðàçìåðû: Øèðèíà: 460 ìì, Âûñîòà: 170 ìì (ñ íîæêàìè), Ãëóáèíà: 345 ìì; Âåñ: 24,5 êã. |
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Ïðåäâàðèòåëüíûé ñòåðåîôîíè÷åñêèé óñèëèòåëü CA-303 (1967)
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Ïîñëå âûïóñêà óñèëèòåëÿ AU-111 â 1965 ãîäó, èíæåíåðû êîìïàíèè Sansui çíàëè, ÷òî îíè áîëüøå íå ÿâëÿþòñÿ åäèíîëè÷íûìè ëèäåðàìè, íî âñå ðàâíî îíè áûëè îäíèìè èç ëèäåðîâ.  1967 ãîäó êîìïàíèÿ èçãîòîâèëà ñòåðåîôîíè÷åñêèé ïðåäâàðèòåëüíûé óñèëèòåëü Sansui CA-303, êîòîðûé ñîñòîÿë èç ýëåêòðîííûõ ëàìï, ïðèìåíÿåìûõ â ñõåìàõ óñèëåíèÿ è òðàíçèñòîðîâ, èñïîëüçóåìûõ â ñõåìå êðîññîâåðà. Òàêàÿ îñîáåííîñòü áûëà ïðåäóñìîòðåíà äëÿ ñîîòâåòñòâèÿ ëó÷øåìó èç ïðåäâàðèòåëüíûõ óñèëèòåëåé 7T, èçãîòîâëåííûõ êîìïàíèåé Marantz, ÷òîáû îáåñïå÷èòü âûñîêîå êà÷åñòâî óïðàâëåíèÿ àêòèâíûìè ñèñòåìàìè êðîññîâåðà è ÷òîáû íàïîìíèòü ìèðó, ÷òî ëàìïîâûå óñèëèòåëè ýòî ïî-ïðåæíåìó ëó÷øèå çâóêîâûå êîìïîíåíòû. |
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Âûõîäíîå íàïðÿæåíèå: 2 (íîðìàëüíîå), 10 (ìàêñèìàëüíîå); ×àñòîòíûé äèàïàçîí 10 Ãö – 50000 Ãö; Îòíîøåíèå ñèãíàë/øóì: 80 äÁ; Êîýôôèöèåíò íåëèíåéíûõ èñêàæåíèé: 0,1%; Ðàçìåðû: Øèðèíà: 435 ìì, Âûñîòà: 155 ìì, Ãëóáèíà: 281 ìì; Âåñ: 10 êã. |
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Còåðåîôîíè÷åñêèé óñèëèòåëü ìîùíîñòè BA-202 (1967) |
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Îäíèì èç íàèáîëåå çíà÷èìûõ íàïðàâëåíèé äåÿòåëüíîñòè êîìïàíèè Sansui áûëî ïîñòîÿííûå óñèëèÿ äëÿ óëó÷øåíèÿ õàðàêòåðèñòèê âûïóñêàåìûõ àóäèî êîìïîíåíòîâ. Óñèëèòåëü ìîùíîñòè Sansui BA-202 íå ñòàë èñêëþ÷åíèåì èç ýòîãî ïðàâèëà. |
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Ìíîãî ëåò òîìó íàçàä íà÷àëè ãîâîðèòü î êà÷åñòâå çâóêà òðèîäíîãî óñèëèòåëè, â 1965 ãîäó êîìïàíèÿ Sansui ïðåäñòàâèëà òðèîäíûé ðåñèâåð SAX-300. Ðàçâèâàÿ óñïåõ ìîäåëè SAX-300, â 1966 ãîäó Sansui ïðåäñòàâèëà óëó÷øåííóþ âåðñèþ ðåñèâåðà SAX-600. |
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Óñèëèòåëü ìîùíîñòè BA-202 äîëæåí âîñïðîèçâîäèòü áîëåå êà÷åñòâåííûé è êîìôîðòíûé çâóê, êîòîðûé ìîæåò âûðàáàòûâàòü áëàãîäàðÿ ïðèìåíåíèþ â ñâîåé ñõåìå òðèîäîâ.  óñèëèòåëå ìîùíîñòè BA-202 èñïîëüçóåòñÿ òðåòüå ïîêîëåíèå òðèîäîâ 6RA8. Òàêèì îáðàçîì, Sansui ñ óâåðåííîñòüþ ïðåäñòàâèëà BA-202 - ýòî áûë òî÷íûé ïðèìåð òðàäèöèé Sansui; ïîñòîÿííûå óñèëèÿ äëÿ óëó÷øåíèÿ êà÷åñòâà çâó÷àíèÿ. |
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Ìóçûêàëüíàÿ ìîùíîñòü (IHF): 26 Âò; Íåïðåðûâíàÿ ìîùíîñòü: 2 õ 11 Âò; Êîýôôèöèåíò íåëèíåéíûõ èñêàæåíèé: > 0,5%; Äèàïàçîí âîñïðîèçâîäèìûõ ÷àñòîò (AUX): 20 - 50000 Ãö +/- 1 äÁ; Ñîïðîòèâëåíèå íàãðóçêè: 8 è 16 Îì; Ðàçìåðû: Øèðèíà: 346 ìì; Âûñîòà: 143 ìì; Ãëóáèíà 271 ìì; Âåñ: 14 êã. |
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Còåðåîôîíè÷åñêèé óñèëèòåëü BA-303 (1967) |
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Ïîñëå êîìïàíèÿ Sansui îáíàðóæèëà, ÷òî òðèîäíûå óñèëèòåëè ìîãóò âîñïðîèçâîäèòü áîëåå êà÷åñòâåííûé çâóê, Sansui âíåäðèëà ýòîò îïûò ñâîèì ñîáñòâåííûì ñïîñîáîì. Êîìïàíèÿ ñïåöèàëüíî ïåðåðàáîòàëà ñõåìó ïèòàíèÿ è âûõîäíîé òðàíñôîðìàòîð äëÿ ïîäêëþ÷åíèÿ òðèîäîâ âûñîêîé ìîùíîñòè. Òîãäà, Sansui ïðèìåíèëà â ñâîèõ óñèëèòåëÿõ íàèáîëåå ìîùíûå ýëåêòðîííûå ëàìïû KT-88.  ðåçóëüòàòå áàçîâûé óñèëèòåëü BA-303, êîòîðûé áûë ñïðîåêòèðîâàí êàê íèçêî÷àñòîòíûé óñèëèòåëü ìîùíîñòè, ïîëó÷èë àêòèâíóþ ñèñòåìó êðîññîâåðà, êîòîðàÿ èñïîëüçóåòñÿ â ïðåäâàðèòåëüíîì óñèëèòåëå CA-303. Êîíå÷íî, Sansui íå îñòàíàâëèâàëàñü íà äîñòèãíóòîì. |
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