Here’s how to restore the ToneLab ST to its factory-set state. Have you tried re-setting it back to factory default ?Īgain from the user manual (for onlookers):. Turn volume up and down I would guess it's ok. Knock the innards can get damaged - had a "3in 1" hi fi with a damaged encoderĪnd all sorts of weird things went on when I tried to adjust the volume!Īnyhow if the output level pot seems to behave like its s'posed to - smoothly Thus I don't know if it is a rotary encoder or not- if these get a sudden
Unfortunately I can't find a service manual for the ST, the TT and SE are all over the web but no ST ! You should be able to hear some variations between "Vox,F & M" as you switchīetween them and switching to "Line" should create a huge increase in level.Īnother obvious thing would be the output level pot on the back - see if, as you turn it slowly ,the output level changes smoothly and there are no sudden changes in level suggesting a damaged pot or rotary encoder. Use this setting if the output is connected to your guitar amp’s power amp, to an audio system, mixer, or recorder, Use this setting if the output is connected to a stacktype amp such as a 4x12 closed-back cabinet." Use this setting if the output is connected to a typical clean-sounding US-made open-backed combo amp.
Use this setting if the output is connected to an amp that has a distinctive mid-range such as the AC30 openbacked However, compensation will not be applied if the amp model is off. This setting will compensate the output from theĪmp model as necessary. If you’re connecting a guitar amp, choose the VOX, F, or M setting. "Set the AMP/LINE switch appropriately for the type of device you’ll be connecting to the OUTPUT/PHONES jack. The obvious things I would check first would be the 4 position output select switch on the back. I haven't got one so I can't advise if the low level is normal for that modelīut considering that the stereo output socket is supposed to be capable of driving headphones I would suspect a fault.
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