[Johnson] Johnson Valiant External Audio

[Chris]

Hello to the Group

I was wondering if any one has any information or knows of any info for setting up external audio on the Johnson Valiant.. A set up something like taking a 100 watt hammond audio transformer and driving it with an audio amp by using the accessory plug on the back of the valiant...Please let me know if anyone out there has any information of setting up external audio to drive the valiant with...Thanks Chris N8YHY