I believe that the Martin Retro (monel) would be the closest to what you are looking for. They are made to be very close to what Martin’s first steel strings were.
You could have rendered it and opened it up in Audacity where it is simple to change tempo without changing pitch. I do that often to fine tune tempos.
Does seem that if there is no 3.5 input that there would be Bluetooth.
At the very least you can put your music on a usb stick. Works great for me. Most car radios can index large numbers of songs on one usb stick. Mine can index up to 15,000 songs on a single stick.
I am 75 years old and have been playing guitar since 1957. I began recording in about 1959 (Christmas gift) with a Voice Of Music 1/4" stereo reel to reel recorder. It was the first to be able to do sound on sound. You could play and record on one of the stereo tracks and then play and record on...
I am getting some hum when recording. It only happens with a few of my twelve guitars. The odd part is that it is the worst with two of my three humbucker guitars (the other humbucker guitar is quiet), and to lesser extent with a P-90 guitar. It doesn't seem to be the guitars themselves, as they...