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组合音响体积大、外观美,具有调谐器、磁带录音、卡拉OK等功能,前几年曾在家庭音响中扮演主要角色。但是这类组合音响普遍存在功率小、音箱档次较低、频响差等缺点。随着近几年CD、VCD音源的推陈出新、这类组合音响不能与这些优质音源较好地匹配,用之不便、弃之可惜。如何对此加以改造,使之在家庭影院中发挥作用呢?笔者曾将多套组合音响改造升级,较好地与VCD音源配套。在家庭影院中担当重要角色。现举“格林(GELIN)牌”组合音响改造升级一例,整理成文,供读者参考。一、格林音响改造方案格林(GELIN)9658H音响为上海格林无线电厂产品,接收调频台有:FM、SM及WM波段,还有电唱机、磁带录放、卡拉OK、音调控制、超低音、一路立体声音源输入及灯光显示等功能。音箱为二单元组合:低音喇叭为格林牌YD166——2A61/2橡皮边嗽叭;高音喇叭为远声牌YDG50—1A2纸盆喇叭。音箱外形尺寸:高540mm×宽250mm×深210 mm。为中密度板制作,前板厚13 mm,其余板厚仅7 mm。分频仅用一只4.7μF
Combined audio volume, beautiful appearance, with tuner, tape recording, karaoke OK and other functions, a few years ago in the home audio played a major role. However, such a combination of audio universal prevalence of small, low-grade speakers, frequency response and other shortcomings. With the introduction of new CDs and VCDs in recent years, such composite audio systems can not be matched well with these high-quality audio sources, with the inconvenience of abandoning it. How to transform it to make it play a role in home theater? I have more than a combination of sound transformation and upgrading, and better with the VCD audio support. In the home theater play an important role. Take the “Green (GELIN) card” combination of sound transformation and upgrading of a case, organize the written reference for readers. First, the Gree audio transformation program Green (GELIN) 9658H audio Shanghai Green Radio Factory products, receiving FM stations are: FM, SM and WM bands, as well as record players, tape recorders, karaoke, tone control, subwoofer, all the way to stereo sources Input and light display and other functions. Speakers for the two units: woofer Green card YD166--2A61 / 2 rubber side of the horn; tweeter far sound card YDG50-1A2 cone speakers. Speaker dimensions: height 540mm × width 250mm × depth 210 mm. For MDF production, the front plate thickness is 13 mm and the remaining plate thickness is only 7 mm. Only a 4.7μF frequency division