hello,
haven't played for a while but knowing my tubes were old. I used to play with my ADA MP1 plugged in the loop effect.
I was in holidays so i tried the mesa but when I switch the EQ on a strange noise (like a wire touching ) was heard so I switched the eq off. I deceided to buy 12ax7 mesa tubes. I bought only two as i knew one was dead. I tried the ADA and a very high pitch sound yielded so I turned down the mesa.
I then ordered two power amp 6l6 mesa as I can't buy all at once. So i have changed the 5 12 ax7 tubes and two power amps i plugged in the middle and switched to 60 power.
I tried the amp with just the guitar first, the sound was cool but no distortion! (strange with a new tube)
I switched on the eq and wow the noise again , switched off again and now the whole sound is coming on and off by itself!!!
is the fact I haven't changed the four 6l6 power amp tubes is the reason as normally just changing one 12ax 7 is necessary for any issue.
please let me know as I don't know if the amp as an electronic issue.
thanks
haven't played for a while but knowing my tubes were old. I used to play with my ADA MP1 plugged in the loop effect.
I was in holidays so i tried the mesa but when I switch the EQ on a strange noise (like a wire touching ) was heard so I switched the eq off. I deceided to buy 12ax7 mesa tubes. I bought only two as i knew one was dead. I tried the ADA and a very high pitch sound yielded so I turned down the mesa.
I then ordered two power amp 6l6 mesa as I can't buy all at once. So i have changed the 5 12 ax7 tubes and two power amps i plugged in the middle and switched to 60 power.
I tried the amp with just the guitar first, the sound was cool but no distortion! (strange with a new tube)
I switched on the eq and wow the noise again , switched off again and now the whole sound is coming on and off by itself!!!
is the fact I haven't changed the four 6l6 power amp tubes is the reason as normally just changing one 12ax 7 is necessary for any issue.
please let me know as I don't know if the amp as an electronic issue.
thanks