What tubes does the Dr. Z SRZ-65 - Normal use?

The Dr. Z SRZ-65 - Normal uses 3× 12AX7 preamp tubes and 4× 6L6 power tubes.

When was the Dr. Z SRZ-65 - Normal produced?

The Dr. Z SRZ-65 - Normal was produced 2000s–present.

Dr. Z SRZ-65 - Normal preset

Verified · 83/100 confidence. Complete schematic. All component values readable. Parameters derived directly from the circuit.

The Dr. Z SRZ-65 is a high-powered two-channel amp built on a quartet of 6L6 tubes, offering clean headroom and driven tones across a wide dynamic range. It is one of Dr. Z's larger-format amplifiers, designed for players who need stage volume without sacrificing the warm, musical compression the brand is known for. The SRZ-65 suits demanding live performance environments while maintaining Dr. Z's signature touch sensitivity.

Years produced: 2000s–present
Made in: USA
Wattage: 65W
Channels: 2
Preamp tubes: 3× 12AX7
Power tubes: 4× 6L6

Tags: american, clean, crunch.

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.