How Low Do You Go! (daft topic alert)
My GFI gets down to A when I step on 'The Sigler'. I know you Universal and C6 neck types can really plumb the depths, so, own up and let us know how low you can go. 
UK Pedal Steel Guitar Forum
https://www.thebritishsteeliessociety.co.uk/
https://www.thebritishsteeliessociety.co.uk/viewtopic.php?f=25&t=12112