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Schertler David acoustic amp (older model, 2 channel, not 3) with carrying case in excellent condition $500
Schertler Dyn-G transducer pickup in good condition $150
These are made for each other and excellent for gypsy jazz guitars. I have not been using them because I have a built in pickup and a smaller, lighter amp that i use most of the time. See prices and details here and many reviews online (mine are .
https://www.schertler.com/en_US/shop/amplifiers/davidabout 10 years old so they look slightly different).