Romu Princeton has 6 controls: volume, treble, bass, reverb, tremolo depth and tremolo speed. The tremolo function can be switched on and off with a footswitch.
In the front panel there are also power and standby switches and corresponding indicators. The intensity of the green light follows anode current strength. Vacuum tubes: power stage 2x6V6, preamp , tremolo and digiverb stages - 3x12AX7/ECC83.
Speaker: Celestion Alnico Blue.
Price 1000 euros.