Silvertone 1482 - Instrument preset

Verified · 90/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Silvertone 1482 is a two-channel Sears combo. A single-input Mic channel and a two-input Instrument channel each use half of a 12AX7 with their own Tone and Volume. A second 12AX7 adds gain and a split-load phase inverter driving two cathode-biased 6V6GTs push-pull into a 1×12 8-ohm speaker. A 6AU6 oscillator modulates the output-stage bias for tremolo, with Speed, Intensity and a footswitch. A 6X4 valve rectifier supplies about 350 V.

• Made in: USA
• Channels: 2
• Preamp tubes: 2× 12AX7, 1× 6AU6
• Power tubes: 2× 6V6GT

Tags: american, vintage, two-channel.

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.