Quote:
Originally Posted by stonehopper
The speaker is disconnected and has been during the recent tests on voltage and resistance. Derek
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Bear in mind that powering a radio with the 'speaker disconnected and no other load applied (such as an ammeter) can itself cause damage to the o/p stage.
Regarding testing, the service data tells you the DC resistances - which you can check. Otherwise just reconnect the 'speaker, ensure battery is up to the job and switch on. You'll soon know by audio quality and volume if anything's amiss. If it is, switch off asap though.