20 Most Recent Line 6 Flextone III Plus Guitar Amplifier Questions & Answers

Then you either have a blown amp or speaker. Turn the amp off and move the wires from the speaker on the working side to the other speaker. If the other speaker works, you have a dead amp channel. if it does not, move the wires from the speaker on the non-working side to the other speaker. If that works, you have a dead speaker. Dead amp channel means take it to the shop. Dead speaker means buy a new one from Line 6 and install.

try switching the leads on each speaker. if sound transfers then you have a bad channel. if you get no sound, then your speaker is bad.

if you're using a pedal. the cat 6 wire that connects the pedal to the amp. can be coming out of the "phone jacks" that line 6 uses, all it takes is for that wire to stretch and if one line breaks . it changes the protocol. sounds like yours is intermittent. put new connectors on each end (after checking continuity),

There is probably a power supply failure or with the power on reset circuit. Likely low voltage to the logic electronics. This is NOT DIY unless you are familiar with electronics.

Google is your friend to find the download:

http://line6.com/support/manuals/?families=7&submit=Submit&1st=1st

You use Spotify app to listen music. Learn more Spotify Web Player .

Make sure the volume and master volume are turned up. Try the amp with a different cabinet and a known good speaker cable. If you get sound, it's your speakers or your speaker cable. If still no sound, you need your amp serviced.

Protective circuits kicking in. You may be overdriving the preamp to a clipping condition the amp sees as a problem. If it is under warranty, contact Line 6 and see if this is normal for this amp. It should not be, but you never can be sure.