Amptweaker Bass TightRock Jr

The Amptweaker Bass TightRock Jr is a bass distortion pedal, one of three bass versions Amptweaker added to its Jr. Distortion series in July 2016. It takes the TightRock design and shifts the tone and tight controls down an octave for bass or extended-range guitars, so the voicing suits low strings rather than a guitar's range.¹

It comes in a mini pedal sized like a Phase 90, with the same features as its guitar counterpart, the TightRock Jr.¹

Controls and features

The pedal's defining control is Amptweaker's dry low blend knob, a feature carried over from the Bass TightFuzz. According to Amptweaker, it helps maintain the low end while allowing the distortion to be chunky and tight, which addresses the common problem of a bass losing its bottom when driven hard.¹

The tone and tight controls are shifted down an octave compared with the guitar versions, tailoring the filtering to bass frequencies.¹

The Bass TightRock Jr sits alongside two siblings announced at the same time, the Bass TightDrive Jr and the Bass TightMetal Jr, each with the same core features.¹

Power and switching

The pedal operates from 9 to 18VDC with varying dynamics, giving players headroom options depending on their supply. Battery access requires no tools. All pedals in the series use true bypass switching.¹

Where it came from

Amptweaker expanded its Jr. Distortion series to include bass versions, adding the Bass TightDrive Jr and the Bass TightRock Jr among them, smaller versions of its full-size pedals. The Bass TightRock Jr is a mini pedal sized like a Phase 90, with the same features as its guitar counterpart, at $169 street.¹

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