Detail 01
600W power output
The Interstellar-600 is specified as a 600-watt bass amplifier head.

Independent shopping perspective
A 600W Guy Pratt signature bass head with a 9-band EQ, adjustable valve tone, and fixed-value footswitchable compression and sub harmonics.


Strong match
Consider the trade-offs
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
The Interstellar-600 is specified as a 600-watt bass amplifier head.
Detail 02
Tone shaping includes a 9-band EQ and adjustable valve tone.
Detail 03
These functions operate at fixed values according to Guy Pratt’s specifications; the footswitch is supplied separately.
Detail 04
The preamp tube complement is one 12AX7.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
It is Guy Pratt’s signature amplifier head, designed for his use with a pair of CL-310 cabinets and a Taurus Pedal.
No. The compression and sub-harmonics functions can be footswitched, but the footswitch is supplied separately.
It has two Jack/Speakon outputs.
The specified minimum is 4Ω per side.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.