SUPERB retro tone.
The Superb Dual is based on the famous Supro^® Dual-Tone 1624T* combo (CH 1+2, means the two preamp channels are linked in parallel). It produces the the sweet 60s “stairway” scene replica, from bell-like cleans to gritty blues.
 
Controls:
 
VOL 1/2: Controls the effect output and gain amount
TONE 1/2: Controls the effect tone
 
*Supro^® Dual-Tone 1624T is a product model of Absara Audio. The mentioned manufacturers and product names are trademarks or registered trademarks of the respective owners. The trademarks were used merely to identify the sound character of this product.