Acoustic Guitar Preamp

I like Guitar very much and I like to learn and taking classes and I have purchased new yamaha FSX315C Electric Acoustic Guitar, it comes with electronics and audio output of 1Kohm impedeance, So I thought I could make one small preamp with OPA2134 JFET opamp.

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I soldered 3.5mm female stereo sockets on both sides of amp as INPUT and OUTPUT so I had to 1/4inch female to 3.5mm male connector. I have connected the preamp circuit to my PC and recorded few tracks I have played using audacity software.

audio track1:

I hope you like it.

I will add few things to the circuit like Equalizer thing and  post the schematic. Thank You