The Fi Sonic 40GR is a rare Australian-made valve amp head prized for its raw character, lush built in reverb, and vibey tremolo. Its dual channel layout, classic 40-watt output and warm tube response make it a standout choice for players chasing genuine vintage tone. Collectors value these for their handmade construction and unmistakable seventies style sound.
Australian-made vintage valve guitar amplifier head rated at 40 watts output for classic gig-ready volume.
Two channels labelled Lead and Rhythm with separate input jacks allowing quick switching between clean and driven tones.
Controls include Volume 1, Volume 2, Treble, Bass, Intensity and Speed, providing broad tone shaping and modulation control.
Built-in reverb circuit with dedicated Reverb level knob and rear panel footswitch jack for onstage control.
Built-in vibrato tremolo effect with rear footswitch jack for vibrato on and off.
Rear panel notes confirm 240 volt AC only operation suitable for Australian mains power.
Valve-powered output section visible from the rear open chassis design.
Timber cabinet manufactured by HSC Timber Industries of Taren Point, indicating period-correct Australian construction.
Vintage black vinyl covering with original Fi Sonic badge and grille cloth for authentic retro appeal.
Second-hand, in good condition with minor cosmetic wear as shown.
Serviced, had power cable and standby switch replaced in February 2024.
Power supply included.
2726
Every preloved product is carefully tested when we buy it and again before it’s shipped to you, so you can shop with confidence. Each item comes with a 3-month electrical warranty and a 6-month structural warranty, excluding accidental damage, misuse or broken strings.
