What tubes does the Standel Custom Studiobass use?

The Standel Custom Studiobass uses 4x 6L6 power tubes.

When was the Standel Custom Studiobass produced?

The Standel Custom Studiobass was produced 1962–1968.

Standel Custom Studiobass preset

Verified · 80/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Standel Custom Studio Bass was a high-powered bass amplifier built to the specifications of professional studio and touring bassists. Its clean, authoritative tone and generous headroom made it a fixture in West Coast recording studios during the 1960s. The Custom Studio Bass reflected Standel's reputation as the preferred amplifier brand among Los Angeles session players.

Years produced: 1962–1968
Made in: USA
Channels: 1
Power tubes: 4x 6L6

Schematic-derived preset files for 16 Fractal and Line 6 modelers: Axe-Fx II/XL/XL+, Axe-Fx III, FM3, FM9, and the full Helix family (Floor, LT, Rack, HX Stomp, HX Stomp XL, Native).

Gridleak extracts amp parameters from original circuit schematics using AI vision — component values, gain staging, tone stack topology, tube types — then generates native preset files for every supported modeler. Every extraction is scored 0–100 and the score is published.