My old amp has a reverb tank that connect to the rest of the amp by RCA type cables. I got ssomething from the dollar store that has three of those on it but both ends are input only so you could either extend two cables or in this case, bypass the reverb tank. I did it at a low volume setting and when I turned up the reverb, it got louder and a kinda muddy distortion sound. Is this safe at all because I really want to mess around with this tomorrow.