Haut-parleur 20cm Precision Devices PD.8BM20
[PD.8BM20-8] Avis/Critiques

A perfect choice for full range high power applications in compact cabinets.
The PD.8BM20 excels in compact sound systems popular for total coverage of the dance floor where low profile cabinets are required with excellent low frequency response.

DISPONIBLE EN VERSION 4 et 16 OHM sur commande et par 2 pièces uniquement.

• Heavy duty cast aluminium frame for increased rigidity
• Bass/Mid Range
• 200WRMS
• 2” copper voice coil assembly
• 35 oz. ceramic magnet

Specifications
Nominal diameter 20cm (8”)
Voice coil diameter 51 mm (2”)
Nominal Impedance 4, 8 or 16 Ohms
Power rating (AES) 1 200 Watts RMS
Sensitivity 2 (1W/1M) 92 dB/1W/1m
Frequency range 50-4.5 KHz
Enc.Vol. recommended 5-20 Litres
Displacement limit (peak-peak) 16 mm
Nett weight 3.6 Kg
Resonance 55 Hz
Voice coil copper
Voice coil winding depth 13 mm
Magnet gap depth 6.0 mm
Flux Density 1.29 T
Dust dome Paper
Suspension Fabric
Cone/Surround Paper/rubber

Notes
1. AES Standard (50 to 500 Hz) Program 400 Watts
2. AES Recommended Practice.

Thiele - Small Parameters
Fs 56.375 Hz
L1 0.428 mH
L2 1.108 mH
Res 88.695 Ohms
RMSE-load 0.647 Ohms
Qts 0.343
RMSE-free 0.698 Ohms
Qms 5.408
Vas 19.599 Litres
Qes 0.367
Mms 29.425 grams
Sd 226.98 sq cm
Cms 270.861 μM/N
R2 8.502 Ohms
BL 13.075T/m
Xmax 4.5 mm
Re 6.013 Ohms

Notes
3. Thiele - Small Parameters follow a 200 Watt preconditioning period.

Response Detail

Please note that frequency response measurements are supplied for comparison purposes only and are not a measure of the low frequency performance which may be achievable in a fully optimised system.

Mechanical Data

Precision Devices operate a policy of continuous research and development. The implementation of new materials or production methods will always equal or exceed the published specifications, which may change without notice. Details shown on this sheet are correct at time of printing. March 2008