Deeptek RG 750 Vista. I am here, reading, in awe of what you people take for granted. I can't solder a single wire together without it shorting.. My phone jack is broken, cost to repair would be $35 to $50 in a shop, Postage to Bulgaria about that..I am asking the one turn ground balance pot be replaced with a three turn.. What ever updates they will do, they will do..The sound from the speaker is in my cancel out zone.I can hardly hear it.. I remember an add on amplifier, volume control and speaker assembly was a common item in the 60's....My questions. If powered by an external battery, will the detector batteries last longer than when driving the detector speaker... Can the the present sound be changed in frequency, lowered ,so that I can hear it better with an add on external speaker? Anyone using the Vista 750?..PS while not an electrical type, I can talk wood carving pretty well
thank you for any suggestions / ideas.

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