New MXR M77 Custom Badass Modified Overdrive Guitar Effects Pedal bass preamp and it offers massive headway

and it offers massive headway usually requiring an 18v input

when you increase it the gain breaks up

From gated

The Preamp control lets you engage a gentle filtering circuit that simulates the Volume control from the original Echoplex

maximum gain is achieved with no clean signal present

New MXR M77 Custom Badass Modified Overdrive Guitar Effects Pedal bass preamp and it offers massive headwayNew MXR M77 Custom Badass Modified Overdrive Guitar Effects Pedal This item is new, in box. From Dunlop: The Custom Badass Modified O. D. features a classic overdrive circuit with modern modifications for improved performance and versatility. For added flexibility, we've added a 100HZ cut and boost control that allows for a more focused EQ when cut, or a beefier tone when boosted. The Bump switch engages an alternate EQ voicing that boosts the lows