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PR223BD02     8 die cast, alu cone passive radiator

 

 

 

The 8"  passive radiator PR223BD02 was designed for high performance compact subwoofer applications. Optimized for working with the active 8"  subwoofers SW223BD02 and SW223BD03 but will function well with any suitable active subwoofer transducers.

Specifications
Dimensions
Ordering info

FEATURES

  • Very rigid black aluminium cone to ensure piston motion at high levels
  • Rigid die cast alu chassis with extensive venting for lower air flow speed reducing audible distortion
  • Low-loss suspension (high Qm) for better reproduction of details and dynamics
  • Conex spider for better durability under extreme conditions
  • Custom tunable by adding one or more of the three extra weights (included)
PR223BD02_front
PR223BD02_rear

NOMINAL SPECIFICATIONS

Notes

  Parameter

Before burn-in

After burn-in

Unit

 

Nominal size

8

[inch.]

 

Effective radiating area, Sd

206

[sq.cm]

1
 

Resonance frequency (free air, no baffle), Fs
       - without additional mass
       - with additional 50 g mass
       - with additional 100 g mass
       - with additional 150 g mass
       - with additional 200 g mass
       - with additional 250 g mass
       - with additional 300 g mass
       - with additional 350 g mass


15
13.1
11.8
10.8
10.1
9.4
8.9
8.5

 

[Hz]

2

Moving mass, incl. air (free air, no baffle), Mms, without extra weights

162

[g]

1

Suspension compliance, Cms

0.69

 

[mm/N]

1

Equivalent air volume, Vas

41.6

 

[lit.]

1
 

Mechanical Q, Qms
       - without additional mass
       - with additional 50 g mass
       - with additional 100 g mass
       - with additional 150 g mass
       - with additional 200 g mass
       - with additional 250 g mass
       - with additional 300 g mass
       - with additional 350 g mass


19
19.9
22.1
24.1
26.0
27.7
29.4
30.9

 

[-]

 

Maximum cone travel, mechanical limits, Xmax

17

[mm]

 

Total unit net weight excl. packaging (incl. 3 extra weights)

0.95

[kg]

Note 1

The unit is not burned in before shipping.

Note 2
 

The moving mass may be increased in 50 g steps up to a maximum of +350 g by adding one or more of the three extra weights that are included with the unit.

OUTLINE DRAWING AND NOMINAL DIMENSIONS (mm)

PR223BD02 outline drawing
PR223BD02-outline-drawing

PACKAGING AND ORDERING INFORMATION

Part no. PR223BD02-01

Individual packaging (one piece per box), incl. 3 separate weights

Latest update: April 27, 2014

 

Specifications are subject to change without any further notice.
Copyright © 2006-2018 by Wavecor Ltd., Guangzhou, China. All rights reserved.

 

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MORE INFO

PR223BD02 specificationsPDF data sheet
(582 KB)

 

 

 

Related active subwoofer drivers:

SW223BD02 (4 ohm)
SW223BD03 (8 ohm)

 

 

 

All Wavecor subwoofers

 

All Wavecor drive units

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