Consumer Electronics

STEREOPHONIC SYSTEMS

For stereophonic reproduction, two separate amplifying channels are required, one for each of the twin signals obtained from the stereophonic signal source. In the simplest arrangement, a 2W or 7W stereophonic amplifier is connected to the source as shown in Fig. 17.6. If the stereophonic preamplifier is used; it should be coupled to two power amplifiers and loudspeaker systems as in Fig. 17.7.

 

 

Fig. 17.6 Use of stereophonic amplifiers

 

Stereophonic systems should be suitable for reproduction from monaural sources and compatibility switches are usually incorporated for this purpose. For instance, the switching indicated ...