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PR223BD02     8¾” die cast, alu cone passive radiator

 

 

 

The 8¾"  passive radiator PR223BD02 was designed for high performance compact subwoofer applications. Optimized for working with the active 8¾"  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

[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 © 2006-2021 by Wavecor Ltd., 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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