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TacoSounds

412 SIMWAT'70 AP-512

412 SIMWAT'70 AP-512

Regular price ¥2,400 JPY
Regular price ¥0 JPY Sale price ¥2,400 JPY
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Tacosounds IRs capture pure MIC data, without any EQ or other modifications.

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British Vintage 1970 · Simms-Watts (API 512c)
1970 Simms-Watts™ 4×12 Cabinet · API™ 512c Capture
Closed-Back · 4× SIMMS™ Model 122233 · Made in UK · API 512c Preamp

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 an API™ 512c microphone preamplifier — a direct descendant of the original 2510/2520 discrete op-amp lineage. The 512c brings the API character established through decades of console work: deep, controlled low-end, an extremely low noise floor, and a punchy midrange that projects forward. The Neve VR version of this same cabinet sits alongside it as the warmer, more vintage-leaning alternative.

BASED ON
1970 Simms-Watts™ 4 × 12 Cabinet
4 × 12 closed back · 3/4″ Baltic Birch 13-ply · Made in UK
SPEAKER
SIMMS™ Model 122233 × 4
12″ driver · 50 W · 15 Ω · 14,000 Gauss flux
Speaker Details
  • SpeakerSIMMS™ Model 122233
  • Flux Density14,000 Gauss
  • Power50 W per driver
  • Impedance15 Ω each
  • Configuration4 × 12″ closed back
Included IR Files
5 Single Mic IRs + 50 Mixed Mic IRs
— Available in 96 kHz / 48 kHz / 44.1 kHz
57III
57III0:00
421W
421W0:00
VR1
VR10:00
414ULS
414ULS0:00
U47fet
U47fet0:00
50
Mixed Mic IRs Included
412 SIMWAT'70 AP-512
57III421W
57III + 421W (5:5)0:00
57IIIU47fet
57III + U47fet (4:6)0:00
421WVR1
421W + VR1 (6:4)0:00
414ULSU47fet
414ULS + U47fet (8:2)0:00
57IIIVR1
57III + VR1 (6:4)0:00

Microphones Used

57III
57III = Shure™ SM57 Unidyne III
The most-used dynamic mic in rock history. Tight, punchy midrange — the standard close-mic on guitar cabs since the 1960s.
421W
421W = Sennheiser™ MD421 White, Script Logo
Vintage white-bodied MD421 with the original script logo. Bold low-end — a studio standard on cabs and toms.
VR1
VR1 = sE Electronics™ VR1
Ribbon microphone with warm, smooth low-mids. Tames harshness and adds a vintage-tape character.
414ULS
414ULS = AKG™ C414 B-ULS
Studio large-diaphragm condenser — wide frequency response, ultra-linear signal.
U47fet
U47fet = Neumann™ U47 FET
Large-diaphragm condenser microphone with warm, clear midrange and extended low-frequency response.
API™ 512c
mic preamp

API™ 512c

Delivers ultra-low noise and musical coloration from API's original 2510 and 2520 op-amps.

Provides deep, tight lows, clear highs, and punchy tone ideal for rock and metal.

All sales are final. Our digital products are intangible items — returns and exchanges are not possible after purchase. For support, contact support@tacosounds.com.