Tone Tested Designs is a small boutique pedal builder based in Moreno Valley, California. The maker is best known for the 1960's Reverb & Tremolo, a hand-wired two-in-one stompbox that combines vintage-style spring reverb and tremolo circuits in a single enclosure. The pedal has been offered in several finishes, including blonde, black, cream, and a black-and-white variant, and uses a 9V center-negative supply with no battery option.

The design leans on classic mid-century aesthetics and aims to emulate the reverb and tremolo found in old Fender combo amps. An internal trim pot lets players dial in a volume boost when the tremolo is engaged. Production has always been limited and the pedals are sold direct through the builder's Reverb shop rather than through traditional retail.

Tone Tested Designs has 1 product cataloged on Equipboard, including Reverb Effects Pedals.