This l-watt amplifier
lends itself par excellence for use as driver for a low impedance
headphone or as
output stage in a hi-fi preamplifier driving an
active loudspeaker. Many preamplifiers do not permit long, unscreened leads to be connected to them, but the
present amplifier accepts these happily.
The amplifier
delivers a maximum power of 1 watt into 8 Q for an input signal of about 500 mVrms.
High-impedance headphones and 4 Q loudspeakers may also
be connected without detriment. the two transistors should be mounted on heat
sinks - do not forget the insulating washers and the heat conducting paste.![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEigBOCeN-GKfyJknZVgmfPOjQYRSV4BeJMcf5L66-BJ7Uk8jJgvOJ3CIDgOKA2n3pYTlOW3d1yS7bDVNVF4tVUYedHVi3h9Ax7NCnjeK73AGOPThDjEu1LECyxsjZ3yJi6Pxz3wsTLwpy7v/s280/HI-FI+HEADPHONE+AMPLIFIER+PCB.jpg)
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