目前,不少城市和农村广播站使用的扩声设备,很多都是技术指标不高的老产品,特别是频率特性这一项主要技术指标更是不理想。如何在不降低输出功率的前提下,展宽带宽,是众多广播维修技术人员所关心的问题。本文,介绍的是笔者在实际工作中针对本 At present, many sound reinforcement equipment used in urban and rural radio stations are often old products with low technical indexes. In particular, the main technical index of frequency characteristics is even more unsatisfactory. How to broaden the bandwidth without reducing the output power is a concern of many broadcast service technicians. This article describes the author in the actual work for this