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PR223BD01    8" die cast, alu cone passive radiator

 

 

 

The 8"  passive radiator PR223BD01 was designed for high performance compact subwoofer applications. Optimized for working with the active 8"  subwoofer SW223BD01 but will function well with any suitable active subwoofer transducers.

Specifications
Dimensions
Ordering info

FEATURES

PR223BD01_photo_300px
  • 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)

NOMINAL SPECIFICATIONS

Notes

  Parameter

Before burn-in

After burn-in

Unit

 

Nominal size

8"

[inch.]

 

Effective radiating area, Sd

214

[sq.cm]

1
 

Resonance frequency (free air, no baffle), Fs
       - without additional mass
       - with additional 25g mass
       - with additional 50g mass
       - with additional 75g mass
       - with additional 100 g mass
       - with additional 125g mass
       - with additional 150g mass
       - with additional 175g mass


20
18.6
17.5
16.6
15.8
15.1
14.5
13.9

 

[Hz]

2

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

165

[g]

1

Suspension compliance, Cms

0.38

 

[mm/N]

1

Equivalent air volume, Vas

25

 

[lit.]

1
 

Mechanical Q, Qms
       - without additional mass
       - with additional 25g mass
       - with additional 50g mass
       - with additional 75g mass
       - with additional 100 g mass
       - with additional 125g mass
       - with additional 150g mass
       - with additional 175g mass


14.5
15.6
16.6
17.5
18.4
19.2
20.0
20.8

 

[-]

 

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

 

[kg]

Note 1

The unit is not burned in before shipping.

Note 2
 

The moving mass may be increased in 25 g steps up to a maximum of +175 g by adding one or more of the three extra weights that are included with the driver.

OUTLINE DRAWING AND NOMINAL DIMENSIONS (mm)

PR223BD01 outline drawing
PR223BD01-outline-drawing

PACKAGING AND ORDERING INFORMATION

Part no. PR223BD01-01

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

Latest update: June 25, 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

 

 

 

 

 

 

 

 

 

All Wavecor subwoofers

 

All Wavecor drive units

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