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BEYMA 12MC500

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BEYMA 12MC500 — 12" / 12 inch · Midrange Driver · Midrange
500 W AES - 98 dB - 65 – 5000 Hz - 8 Ω
Part no.: 42A-CHS-MT-BEY-0009

187.00 € 187.0 EUR 187.00 €

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BEYMA 12MC500 — 12" · Midrange Driver

500 W AES · 98 dB Sensitivity · Frequency range 65 Hz – 5000 Hz

Technical data

  • Diameter: 12 "
  • Voice coil: 2.5 "
  • Power handling: 500 W AES
  • Sensitivity: 98 dB
  • Impedance: 8 Ω
  • Weight: 5.86 kg
  • Mounting depth: 141 mm
  • Frequency range: 65 – 5000 Hz

Series: MC · Part no.: 42A-CHS-MT-BEY-0009

Beyma 12MC500: 12" midrange with 98 dB, 500 W AES and 8 mm Xmax

The Beyma 12MC500 is the 12" midrange of the MC series with a ferrite motor: 500 W AES, 98 dB sensitivity and a working range of 65 to 5,000 Hz. Compared with a 10" midrange, the larger cone area of 0.055 m² brings more output in the lower mids and more headroom in the kick region, making it the obvious choice for 3-way systems with a strong low end.

The parameters are well balanced: Qts 0.34 at 57 Hz resonance and 57 l Vas, a motor of 18.3 Tm acting on a moving mass of 59 g, Xmax 8 mm with a displacement of 440 cm³. The low inductance of 0.7 mH keeps the impedance rise small, so the 2.5" voice coil stays usable to 5,000 Hz. At 5.86 kg and 141 mm mounting depth the driver is compact for a ferrite 12".

Use and enclosure

In a 3-way system the 12MC500 covers the band between subwoofer and HF horn. As a guideline for a closed midrange compartment, 17 l with an in-box resonance of 119 Hz comes out; cross over at the bottom well above the 65 Hz limit, sensibly above the box resonance. At the top you can go to 5,000 Hz, but with a 12" cone the beaming makes a transition to the horn in the lower part of that range usually the better choice.

The EBP of 163 places it with vented and horn concepts rather than with low bass in closed boxes. If you are building a 2-way top with kick, the vented guideline is 39 l tuned to 63 Hz with an f3 of 67 Hz; with 8 mm Xmax the 12MC500 has more excursion for that than most pure midranges. The exact design is handled by the enclosure calculator on 42.audio.

What to look out for

  • 98 dB at 8 Ω, Re 5.6 Ω: high efficiency, the amplifier does not need to be large.
  • Xmax 8 mm and Vd 440 cm³: enough for kick bass in 2-way tops.
  • Le 0.7 mH: small impedance rise, unproblematic for passive crossovers.
  • Mounting depth 141 mm, 5.86 kg with ferrite magnet.
  • 500 W AES on a 2.5" voice coil: set a high-pass below the crossover.

Frequently asked questions

12MC500 or 12MCS500: what is the difference?

Both share 57 Hz resonance, 57 l Vas, 500 W AES and 98 dB. The 12MC500 has the slightly stronger motor at 18.3 Tm and the lower inductance at 0.7 mH, giving Qts 0.34 versus 0.36 and a smoother upper midrange.

Can I use the 12MC500 in a 2-way top?

Yes, the vented guideline is 39 l tuned to 63 Hz, which lets it work as a kick-mid into the upper bass. For real low end a subwoofer still belongs underneath.

How high can I cross to the horn?

Technically up to 5,000 Hz, but with a 12" cone you would rather cross lower so the directivity of cone and horn match. A 1.4" or 2" compression driver is the typical partner.

Beyma 12MC500: manufacturer, spellings and classification

Beyma and Acustica Beyma refer to the same manufacturer: Acústica Beyma S.L. of Moncada near Valencia, Spain. The 12MC500 is a 12-inch midrange driver from the MC series, available from 42.audio, Beyma dealer in Germany, with datasheet and full specifications in the driver database.

At 42.audio you get the BEYMA 12MC500 with all key data in the driver database and the enclosure calculator. More drivers from this manufacturer: Atlas Beyma.

Thiele-Small parameters

Nominal impedance8 Ω
Resonance frequency fs57 Hz
Total Q Qts0.34
Electrical Q Qes0.35
Mechanical Q Qms7.8
Equivalent volume Vas57.0 l
Moving mass Mms59.0 g
Cone area Sd550 cm²
Linear excursion Xmax8 mm
Displaced volume Vd440 cm³
Force factor BL18.3 Tm
DC resistance Re5.6 Ω
Voice coil inductance Le0.7 mH

Comparable drivers

Same size, same type, Qts within ±30 %.

Specifications

Allgemein
Manufacturer BEYMA
Category Mid Frequency
Series MC
Impedance (Ω) 8
Power handling (W) 500
Sensitivity (dB) 98
Frequency from (Hz) 65
Frequency to (Hz) 5000
Abmessungen & Korb
Diameter 12
Voice coil (inch) 2.5
Mounting depth (mm) 141
Weight (kg) 5.86
Thiele-Small-Parameter
Re (Ω) 5.6
Le (mH) 0.7
Fs (Hz) 57
Qms 7.8
Qes 0.35
Qts 0.34
Vas (l) 57
Xmax (mm) 8
Vd (cm³) 440
BL (Tm) 18.3
Mms (kg) 0.059
Sd (m²) 0.055