Transcript
SPECIFICATIONS Nominal Diameter Voice Coil Diameter Nominal Impedance Power Rating Sensitivity (1w / 1m) Frequency Range Recommended Enclosure Volume Displacement Limit (peak-peak) Resonance Voice Coil Voice Coil Winding Depth Magnet Gap Depth Magnet Material Magnet Weight Flux Density Dust Dome Material Suspension Material Cone / Surround Material
30 cm (12”) 76 mm (3”) 4,8 or 16 Ohms 400 Watts (AES) 98 dB 45 Hz - 3.5 kHz 30-120 Litres 22 mm (0.88”) 45 Hz Copper 17 mm (0.68”) 11 mm (0.43”) Ceramic 2.5 Kg (90 oz.) 1.32 T Paper Fabric Paper/Fabric
PD.122
Medium resonance 400 WRMS bass driver with a smooth response down to 40 Hz in a reflex enclosure, the PD.122 is an ideal selection when building/re-furbishing stage wedges. Well suited for use in small compact full range systems in combination with 1” or 2” compression drivers. An excellent choice for compact/portable systems where the powerful bass response eliminates the need for a dedicated sub woofer where circumstances do not allow for a separate 18”, 21” or 24” unit.
THIELE SMALL PARAMETERS
MOUNTING AND SHIPPING INFORMATION x 4 Fixing Holes M6 x 8 Concealed M6 9.7 Kg (21.38 lb.) 10.65 Kg (23.48 lb.)
Nett Weight Shipping Weight
Heavy duty 12” cast aluminium frame with extra wide
FREQUENCY RESPONSE DATA:
flange for increased rigidity l
Woofer
l
Field replaceable magnet for touring applications
l
400 WRMS (AES)
l
3” copper voice coil assembly
120 300 200
110
100 100 16
90
8
l
90 oz. ceramic magnet
50
l
A B/L in excess of 22 T/m for fast accurate lows
70
4 2 20
50
100
200
500 1k Frequency Hz
2k
5k
10k
1
IMPEDANCE: 120
280 mm
Sound Pressure Level in dB
31
8
m
m
10 mm
300 200
110
100 100
Ohms
Fixing Holes
l
PD.122 Ohms
42.9 Hz 5.9 Ohms 0.194 10.81 0.197 90 Litres 65 g 550 cm2 209.6 µm/N 22.90 T/m 4.7 mm 0.259 Litres 3.47 %
Sound Pressure Level in dB
Fs Re Qts Qms Qes Vas Mms Sd Cms BL Xmax Vd Reference Efficiency
16
90
8 4
50
2 70 20
330 mm
128 mm
1. AES Standard (60 to 600 Hz) Program 800 Watts. 2. AES Recommended Practice. 3. Thiele - Small Parameters follow a 400 Watt preconditioning period.
50
100
200
500 1k Frequency Hz
2k
5k
10k
1
Response measured in a half space environment using a vented enclosure of 50 litres. 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.
