This clever circuit requires a second Stereo Switched Jack. When you plug into the second jack, you get your magnetic pickups straight out (true bypass). Acoustic sound in available on the first jack but the second jack empty, the first jack has bo
Mags go straight out to one 1/4" jack (true bypass) and acoustic goes to another 1/4" jack, the Stereo Switched Jack that comes with the Acousti-Phonic. The Acousti-Phonic is help in mono mode by grounding the ring contact permanently, but the only
Dual jacks with blended signals are available when a mono plug is inserted in the Stereo Switched Jack only. When a mono 1/4" plug is inserted the second jack (also a Stereo Switched Jack), mag is on the first.