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NEW Beyma 12MI100 MI100 Series 12" Midrange Speaker 8 Ohm

BeymaPart # 253-040
Model: 12MI100

The Beyma 12MI100 is a 12″ mid-frequency transducer crafted for powerful yet precise midrange performance in professional PA and monitoring systems. Its robust design and clean response make it ideal for demanding audio applications.

Key Features

  • 3″ aluminum voice coil with polyimide/fiberglass former for heat resistance
  • Low harmonic distortion and highly linear frequency response
  • 100 dB sensitivity enables strong SPL with moderate amplification
  • Large ferrite magnet assembly promotes efficient cooling
  • Covers 60–4 000 Hz—ideal for mid-frequency reproduction
  • Designed for high quality mid-frequency reproduction
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Overview

Beyma 12MI100 MI100 Series 12" Midrange Speaker 8 Ohm

Beyma 12MI100 MI100 Series 12" Midrange Speaker 8 Ohm

With 450 W AES capacity and a high 100 dB sensitivity rating, the 12MI100 easily delivers dynamic midrange output even with modest amplifier power. Its 3″ aluminum voice coil, mounted on a heat-resistant polyimide/fiberglass former, ensures thermal stability during heavy use. The driver’s large ferrite magnet structure enhances heat dissipation, supporting long-term consistent performance. Equipped with a 3 mm Xmax and 159 cm³ displacement volume, it controls excursion precisely, aiding clarity under demanding loads. Covering a broad 60–4 000 Hz range, it captures vocals and instruments with fidelity. Beyma highlights its low harmonic distortion and linear frequency response, reinforcing its place in high-quality mid-frequency audio applications. This transducer is explicitly designed for professional systems that demand accurate midrange projection and durability.

Product Details

BrandBeyma
Model12MI100
Part Number253-040
UPC8435469043169
Unit of MeasureEach
Weight16.65

Product Specifications

Nominal Diameter12"
Bolt Circle Diameter11.6
Power Handling (RMS)450 Watts
Power Handling (MAX)900 Watts
Impedance8Ω
Frequency Response60 to 4000Hz
Sensitivity100dB 2.83V/1m
Voice Coil Diameter3"

Thiele-Small Parameters

Resonant Frequency (Fs)58Hz
DC Resistance (Re)6.3Ω
Voice Coil Inductance (Le)1mH
Mechanical Q (Qms)5.5
Electromagnetic Q (Qes)0.23
Total Q (Qts)0.22
Compliance Equivalent Volume (Vas)2.26ft³
Mechanical Compliance of Suspension (Cms)163mm/N
BL Product (BL)21.6T·m
Diaphragm Mass Inc. Airload (Mms)0.047g
Maximum Linear Excursion (Xmax)3mm
Surface Area of Cone (Sd)0.053cm²

Materials of Construction

Voice Coil Wire MaterialAluminum
Voice Coil FormerFiberglass

Mounting Information

Overall Outside Diameter12.3"
Baffle Cutout Diameter10.9"
Depth5.4"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.15ft³
Sealed F3223.4Hz
Vented Volume0.324ft³
Vented F3141.5Hz

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