
The 412 SIMWAT'70 captures a 1970 Simms-Watts™ 4×12 cabinet — a closed-back enclosure built from 3/4″ Baltic Birch 13-ply, finger-jointed, made in UK. Simms-Watts cabinets were a familiar presence on the British rock scene of the late 1960s and 1970s, used alongside the Marshall, HiWatt, and Sound City cabinets that defined the era.
Loaded with four SIMMS™ Model 122233 drivers — 12-inch, 50W, 15Ω, 14,000 Gauss flux density — the cabinet delivers the warm midrange and natural compression that characterised British 4×12 tone through the 1970s. The high-flux design adds a particular density at the upper-mid band that is distinctly this cabinet's own.
The capture is routed through a Neve™ VR console module — the input channel from one of the most consequential large-format consoles of the modern studio era. The Neve VR adds the colour that has defined British studio recording for decades: a deep, weighted low-end, a smooth and harmonically rich midrange, and a top end that opens without turning brittle. The API 512c version of this same cabinet sits alongside it as the brighter, more forward-projecting alternative.
- SpeakerSIMMS™ Model 122233
- Flux Density14,000 Gauss
- Power50 W per driver
- Impedance15 Ω each
- Configuration4 × 12″ closed back
— Available in 96 kHz / 48 kHz / 44.1 kHz





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