Developement of a custom measurement bench for passive radiators
28 August 2025
A passive radiator is a rigid membrane attached to a flexible suspension that radiates an acoustic wave when it vibrates…
A passive radiator is a rigid membrane attached to a flexible suspension that radiates an acoustic wave when it vibrates…
Dampers are acoustic cloth screens for insertion inside acoustic tubing. These damping elements are used between the receiver outlet and the ear canal to smoothen the frequency response. Various acoustical resistances and sizes are available.
| Image | Name | Description | Diameter / length [mm] | Thickness [mm] | Resistance [Ohm] | Color | Product status |
|---|---|---|---|---|---|---|---|
 | BF-32212-000 | Damping screen | 1.78 | 1.65 | 1200 | White | Active |
| BF-3292-000 | Damping screen | 1.37 | 1.57 | 1000 | Brown | Active |
|
| BF-3320-000 | Damping screen | 1.12 | 1.41 | 1000 | Brown | Active |
| BF-7083-000 | Damping screen | 1.37 | 1.57 | 680 | White | Active |
 | BF-9778-000 | Damping screen | 1.37 | 1.57 | 2200 | Red | Active |
| BF-3039-A10 | Damping screen | 1.37 | 1.57 | 1500 | Green | Active |
| BF-1778-000 | Damper extraction tool | 7.92 | 2.6 | N/A | N/A | Active |
| BF-1859-000 | Damping plug | 2.08 | 2.44 | 680 | White | Active |
| BF-1860-000 | Damping plug | 2.08 | 2.44 | 1000 | Brown | Active |
 | BF-1861-000 | Damping plug | 2.08 | 2.44 | 1500 | Green | Active |
| BF-1921-000 | Damping plug | 2.08 | 2.44 | 2200 | Red | Active |
| BF-1922-000 | Damping plug | 2.08 | 2.44 | 3300 | Orange | Active |
| BF-1923-000 | Damping plug | 2.08 | 2.44 | 4700 | Yellow | Active |
| BF-1988-000 | Damping screen | 1.12 | 1.41 | 680 | White | Active |
|
| BF-1991-000 | Damping screen | 1.12 | 1.41 | 1500 | Green | Active |
| BF-1995-000 | Damping screen | 1.12 | 1.41 | 2200 | Red | Active |
| BF-1997-000 | Damping screen | 1.78 | 1.65 | 680 | White | Active |
 | BF-1999-000 | Damping plug | 2.08 | 2.44 | 330 | Grey | Active |
 | BF-3034-000 | Damping screen | 1.78 | 1.65 | 330 | Grey | Active |
|
| BF-3035-000 | Damping screen | 1.78 | 1.65 | 1000 | Brown | Active |
 | BF-3036-000 | Damping screen | 1.78 | 1.65 | 3300 | Orange | Active |
 | BF-3037-000 | Damping screen | 1.78 | 1.65 | 2200 | Red | Active |
| BF-3038-000 | Damping screen | 1.78 | 1.65 | 1500 | Green | Active |
 | BF-3039-000 | Damping screen | 1.37 | 1.57 | 1500 | Green | Active |
 | BF-3163-000 | Damping screen | 1.12 | 1.41 | 4700 | Yellow | Active |
Dampers are acoustic cloth screens for insertion inside acoustic tubing. These damping elements are used between the receiver outlet and the ear canal to smoothen the frequency response. Various acoustical resistances and sizes are available.
| Image | Name | Description | Diameter / length [mm] | Thickness [mm] | Resistance [Ohm] | Color | Product status |
|---|---|---|---|---|---|---|---|
| BF-32212-000 | Damping screen | 1.78 | 1.65 | 1200 | White | Active |
|
| BF-3292-000 | Damping screen | 1.37 | 1.57 | 1000 | Brown | Active |
|
| BF-3320-000 | Damping screen | 1.12 | 1.41 | 1000 | Brown | Active |
| BF-7083-000 | Damping screen | 1.37 | 1.57 | 680 | White | Active |
| BF-9778-000 | Damping screen | 1.37 | 1.57 | 2200 | Red | Active |
|
| BF-3039-A10 | Damping screen | 1.37 | 1.57 | 1500 | Green | Active |
|
| BF-1778-000 | Damper extraction tool | 7.92 | 2.6 | N/A | N/A | Active |
|
| BF-1859-000 | Damping plug | 2.08 | 2.44 | 680 | White | Active |
|
| BF-1860-000 | Damping plug | 2.08 | 2.44 | 1000 | Brown | Active |
| BF-1861-000 | Damping plug | 2.08 | 2.44 | 1500 | Green | Active |
|
| BF-1921-000 | Damping plug | 2.08 | 2.44 | 2200 | Red | Active |
|
| BF-1922-000 | Damping plug | 2.08 | 2.44 | 3300 | Orange | Active |
|
| BF-1923-000 | Damping plug | 2.08 | 2.44 | 4700 | Yellow | Active |
| BF-1988-000 | Damping screen | 1.12 | 1.41 | 680 | White | Active |
|
| BF-1991-000 | Damping screen | 1.12 | 1.41 | 1500 | Green | Active |
| BF-1995-000 | Damping screen | 1.12 | 1.41 | 2200 | Red | Active |
| BF-1997-000 | Damping screen | 1.78 | 1.65 | 680 | White | Active |
| BF-1999-000 | Damping plug | 2.08 | 2.44 | 330 | Grey | Active |
| BF-3034-000 | Damping screen | 1.78 | 1.65 | 330 | Grey | Active |
|
| BF-3035-000 | Damping screen | 1.78 | 1.65 | 1000 | Brown | Active |
| BF-3036-000 | Damping screen | 1.78 | 1.65 | 3300 | Orange | Active |
| BF-3037-000 | Damping screen | 1.78 | 1.65 | 2200 | Red | Active |
|
| BF-3038-000 | Damping screen | 1.78 | 1.65 | 1500 | Green | Active |
| BF-3039-000 | Damping screen | 1.37 | 1.57 | 1500 | Green | Active |
| BF-3163-000 | Damping screen | 1.12 | 1.41 | 4700 | Yellow | Active |
A passive radiator is a rigid membrane attached to a flexible suspension that radiates an acoustic wave when it vibrates…
A passive radiator is a rigid membrane attached to a flexible suspension that radiates an acoustic wave when it vibrates…
Dampers are acoustic cloth screens for insertion inside acoustic tubing. These damping elements are used between the receiver outlet and the ear canal to smoothen the frequency response. Various acoustical resistances and sizes are available.
| Image | Name | Description | Diameter / length [mm] | Thickness [mm] | Resistance [Ohm] | Color | Product status |
|---|---|---|---|---|---|---|---|
| BF-32212-000 | Damping screen | 1.78 | 1.65 | 1200 | White | Active |
|
| BF-3292-000 | Damping screen | 1.37 | 1.57 | 1000 | Brown | Active |
|
| BF-3320-000 | Damping screen | 1.12 | 1.41 | 1000 | Brown | Active |
| BF-7083-000 | Damping screen | 1.37 | 1.57 | 680 | White | Active |
| BF-9778-000 | Damping screen | 1.37 | 1.57 | 2200 | Red | Active |
|
| BF-3039-A10 | Damping screen | 1.37 | 1.57 | 1500 | Green | Active |
|
| BF-1778-000 | Damper extraction tool | 7.92 | 2.6 | N/A | N/A | Active |
|
| BF-1859-000 | Damping plug | 2.08 | 2.44 | 680 | White | Active |
|
| BF-1860-000 | Damping plug | 2.08 | 2.44 | 1000 | Brown | Active |
| BF-1861-000 | Damping plug | 2.08 | 2.44 | 1500 | Green | Active |
|
| BF-1921-000 | Damping plug | 2.08 | 2.44 | 2200 | Red | Active |
|
| BF-1922-000 | Damping plug | 2.08 | 2.44 | 3300 | Orange | Active |
|
| BF-1923-000 | Damping plug | 2.08 | 2.44 | 4700 | Yellow | Active |
| BF-1988-000 | Damping screen | 1.12 | 1.41 | 680 | White | Active |
|
| BF-1991-000 | Damping screen | 1.12 | 1.41 | 1500 | Green | Active |
| BF-1995-000 | Damping screen | 1.12 | 1.41 | 2200 | Red | Active |
| BF-1997-000 | Damping screen | 1.78 | 1.65 | 680 | White | Active |
| BF-1999-000 | Damping plug | 2.08 | 2.44 | 330 | Grey | Active |
| BF-3034-000 | Damping screen | 1.78 | 1.65 | 330 | Grey | Active |
|
| BF-3035-000 | Damping screen | 1.78 | 1.65 | 1000 | Brown | Active |
| BF-3036-000 | Damping screen | 1.78 | 1.65 | 3300 | Orange | Active |
| BF-3037-000 | Damping screen | 1.78 | 1.65 | 2200 | Red | Active |
|
| BF-3038-000 | Damping screen | 1.78 | 1.65 | 1500 | Green | Active |
| BF-3039-000 | Damping screen | 1.37 | 1.57 | 1500 | Green | Active |
| BF-3163-000 | Damping screen | 1.12 | 1.41 | 4700 | Yellow | Active |