The problem with the old-style barrel jack is that once the contacts started to wear, you couldn't do anything about it and it'd crackle, hum or cut-out on you mid-show. Now, thanks to Pure Tone the new barrel jack can be loved by all musicians and techs. More contact area and secure locking socket result in greater signal transfer and a perfect connection.
PT - Comprised entirely of highly-conductive copper and with greater surface area at all contact points, this new panel-mount jack boasts full contact for optimal signal and lowest possible noise. The proprietary jack design creates a more stable connection, locking the cable securely in place and carrying more signal. Most importantly, the Pure Tone Jack eliminates the infamous “crackle” noise caused by pressure grounds. This long-threaded jack can be used in both mono and stereo applications.