Pluging a mic into a fender twin reverb to sing trough it

[cesareo12]

I bought a Twin reverb and tried to plug a Mic. Sounded great but im not sure if it is ok for the amp,to use it that way permanently..costed me a lot of money and cannot take risks..

[Steve Conner]

I don't think this should be a problem. People play harp through mics plugged into guitar amps all the time. If anything it would be less abusive than cranking it with a guitar.

[MWJB]

Use a PA mic like SM57/58, with an in-line, Lo-Hi Z mic transformer (Sure A95UF), plug the vocal mic into the Normal #2 input. Be aware that with the mic in Hi-Z mode the pick up pattern will shut down somewhat, you'll need to be right on the mic, more so than with a typical Lo-Z PA set up, but it will definitely work. I have done this many times with good results.

Without the lo-hi Z transformer, you'll still get sound, but fidelity & definition may be poor, things may be overly woolly.

Try not to point the business end of the mic at the speakers, keep your body between the amp & mic as much as you can, maybe best to stand a little to one side of the amp.

As Steve said, there is no risk of damage to the amp...in fact in the 50's & 60's, before large PA amps became the norm, this is exactly what Fender would have expected you to do. The Normal channel is really a left over from the old "mic" channel.

[cesareo12]

Thank you so much. Now i feel i work safe with the twin reverb but IŽll definetly try the impedance transformer to improve the quality of sound

[mac1amps]

If you're ONLY using the amp for a mic., it would help to add some sort of tweeter in addition to the 12's for some additional "crispness" & definition for your voice (even a cheap ole' piezo tweeter would help). Then again, if your using the amp for an instrument in addition to a mic........never mind.