![Amazon.com: Amplifier 1/4 Ply ATA Light Duty Case with Diamond Plate Laminate Fits Vox Ac30vr Vox Ac30 Vr : Musical Instruments Amazon.com: Amplifier 1/4 Ply ATA Light Duty Case with Diamond Plate Laminate Fits Vox Ac30vr Vox Ac30 Vr : Musical Instruments](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81Ibu3sfb9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Amplifier 1/4 Ply ATA Light Duty Case with Diamond Plate Laminate Fits Vox Ac30vr Vox Ac30 Vr : Musical Instruments
![I have a Vox AC30VR I got for $100. Not a bad amp. Not as much headroom as I'd like though. Any thoughts on what this white adjuster on the board is I have a Vox AC30VR I got for $100. Not a bad amp. Not as much headroom as I'd like though. Any thoughts on what this white adjuster on the board is](https://i.redd.it/tm6jc9o2lf771.jpg)
I have a Vox AC30VR I got for $100. Not a bad amp. Not as much headroom as I'd like though. Any thoughts on what this white adjuster on the board is
![Amazon.com: Amplifier 1/4 Ply ATA Light Duty Case with Diamond Plate Laminate Fits Vox Ac30vr Vox Ac30 Vr : Musical Instruments Amazon.com: Amplifier 1/4 Ply ATA Light Duty Case with Diamond Plate Laminate Fits Vox Ac30vr Vox Ac30 Vr : Musical Instruments](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/810oPodgpaL.jpg)