产品描述
具體參數:
1、藍光LED電源指示燈,實時監控電源工作狀態,
2、音頻信號輸入端有二個輸入接口,(1)連花座端口,(2)3P插座輸入端口,選其中一種就行了。
3、可以加裝一個5V MP3解碼板,把音輸入到功放機上(詳見下方寶貝展示圖片)
4、輸入電源:交流雙12V2A變壓器,推薦使用雙12V30W以上的變壓器。
5、輸出功率:
(1)、左右聲道:額定功率:18W×2,建議用3-5寸,4-8Ω,10-30W全頻喇叭;
(2)、低音輸出:額定功率:30W×1,建議用4-6寸,4-8Ω,20-50W超重低音喇叭;
6.PCBS板材質:PR-4玻纖板 PCB板尺寸:主板80×880×65MM
音調板80x20mm
7、電位器中心距離:0-28-28MM 凈重:130克
8、輸出阻抗:4-8Ω
9、主板與音調板配有一根30MM的6P排線連接。
特別說明:TDA2030、LM1875之間可以完全互換,如果全部換成LM1875,請換更大的散熱器。功放芯片有五只引腳:正電源、負電源、正向輸入、反向輸入和輸出。芯片上的散熱片是和負極連通的,通電工作時芯片的散熱片千萬不要和地線短路,否則立刻燒壞。
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