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BEYMA 12P1000Nd

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BEYMA 12P1000Nd — 12" / 12 inch · Woofer · Bass · Neodymium Magnet
900 W AES - 96 dB - 50 – 2000 Hz - 8 Ω
Part no.: 42A-CHS-TT-BEY-0028

470.00 € 470.0 EUR 470.00 €

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BEYMA 12P1000Nd — 12" · Woofer · Neodymium-Magnet

900 W AES · 96 dB Sensitivity · Frequency range 50 Hz – 2000 Hz

Technical data

  • Diameter: 12 "
  • Voice coil: 4 "
  • Power handling: 900 W AES
  • Sensitivity: 96 dB
  • Impedance: 8 Ω
  • Magnet: Neodymium
  • Weight: 5.4 kg
  • Mounting depth: 132 mm
  • Frequency range: 50 – 2000 Hz

Series: P · Part no.: 42A-CHS-TT-BEY-0028

Beyma 12P1000Nd: 12" neodymium woofer with 4" voice coil, 900 W AES and 96 dB up to 2000 Hz

Beyma's P series stands for woofers with midrange capability, and the 12P1000Nd is its neodymium representative in 12" format. A 4" voice coil, 900 W AES, 96 dB sensitivity and an operating range of 50 to 2000 Hz make it the driver for two-way PA boxes in which a 12" cone delivers bass and lower mids up to the handover to the compression driver. At 5.4 kg it is light thanks to neodymium, and the 132 mm mounting depth keeps the cabinet shallow.

The motor is tight: BL 23.5 Tm on 100 g of moving mass, Qes 0.27, Qts 0.26 and a Qms of 7.9. Fs 47 Hz and Vas 49 l are in the usual range for a 12" driver, Xmax 8 mm on 550 cm² gives 440 cm³ of displacement. Le is 2 mH, Re 5.1 Ω.

Use and enclosure

With an EBP of 174 the 12P1000Nd is a bass-reflex driver. As a guide value the Thiele-Small parameters give a volume around 15 l tuned to 66 Hz with an f3 near 81 Hz, which points to a compact two-way box with subwoofer support. Sealed it would be 7.7 l with fc around 128 Hz, usable as a lower-midbass chamber in a larger system. As with all low-Qts drivers, it pays to also simulate larger volumes with lower tuning in the enclosure calculator at 42.audio.

The handover to the tweeter should sit well below 2000 Hz; Le of 2 mH causes a distinct impedance rise in the upper range that has to be compensated passively or bypassed actively. Matching compression drivers and horns from Beyma are available at 42.audio.

What to look out for

  • 8 Ω nominal, Re 5.1 Ω: amplifier with 900 W into 8 Ω, do not forget the limiter.
  • 5.4 kg thanks to neodymium: a light 12" driver for touring boxes.
  • Mounting depth 132 mm: shallow cabinets are possible.
  • Xmax 8 mm, Vd 440 cm³: set a high-pass filter below the tuning frequency.
  • Le 2 mH: account for the impedance rise in the crossover design.

Frequently asked questions

Which box is the 12P1000Nd meant for?

Compact two-way boxes: bass reflex around 15 l at 66 Hz as a guide value, with a compression driver on a horn above. For deep bass you combine the system with a subwoofer.

How does it differ from the 18Sound 12NLW9410?

The 12NLW9410 has Fs 42 Hz and Vas 55 l at the same Qts 0.26, so it goes deeper in a larger volume. The 12P1000Nd with Fs 47 Hz and Vas 49 l is more geared towards the lower-mid and midrange up to 2000 Hz.

Which amplifier fits?

900 W AES into 8 Ω means an amplifier in that power class, paired with a high-pass below the tuning and a limiter. At 96 dB sensitivity you reach high levels before power becomes an issue.

Beyma 12P1000Nd: manufacturer, spellings and classification

Beyma and Acustica Beyma refer to the same manufacturer: Acústica Beyma S.L. of Moncada near Valencia, Spain. The 12P1000Nd is a 12-inch woofer with neodymium magnet from the P 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 12P1000Nd 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 fs47 Hz
Total Q Qts0.26
Electrical Q Qes0.27
Mechanical Q Qms7.9
Equivalent volume Vas49.0 l
Moving mass Mms100.0 g
Cone area Sd550 cm²
Linear excursion Xmax8 mm
Displaced volume Vd440 cm³
Force factor BL23.5 Tm
DC resistance Re5.1 Ω
Voice coil inductance Le2 mH

Enclosure suggestion

The EBP of 174 suggests a bass-reflex enclosure. EBP = fs / Qes = 47 / 0.27

Sealed (Qtc 0.707)

Enclosure volume Vb
7.7 l
System resonance Fc
128 Hz
Cut-off frequency F3
128 Hz

Bass reflex (QB3 after Small)recommended

Enclosure volume Vb
11.5 l
Tuning frequency Fb
74 Hz
Cut-off frequency F3
89 Hz

Vb is the required net internal volume, Fb the tuning frequency of the reflex port and F3 the frequency at which the level has dropped by 3 dB. Calculated approximation after Small. A starting point for simulation, not a finished build plan.

Comparable drivers

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

Specifications

Allgemein
Manufacturer BEYMA
Category Low Frequency
Series P
Magnet Neodymium
Impedance (Ω) 8
Power handling (W) 900
Sensitivity (dB) 96
Frequency from (Hz) 50
Frequency to (Hz) 2000
Abmessungen & Korb
Diameter 12
Voice coil (inch) 4
Mounting depth (mm) 132
Weight (kg) 5.4
Thiele-Small-Parameter
Re (Ω) 5.1
Le (mH) 2
Fs (Hz) 47
Qms 7.9
Qes 0.27
Qts 0.26
Vas (l) 49
Xmax (mm) 8
Vd (cm³) 440
BL (Tm) 23.5
Mms (kg) 0.1
Sd (m²) 0.055