The receiver (also called hearing capsule) is the component in a telephone that is used near to the ear.
Seltech is the Worldwide Distributor and Key Account Agent of Knowles Sound Solutions for nearly 20 years in miniature speakers, receivers & multifunctionals.
Knowles Sound Solutions facts & figures:
Knowles’ dynamic receivers also combine outstanding performance vs size ratio.
Knowles’ dynamic receivers are rectangular (4.8 x 10 up to 8 x 15mm).
They can be used:
Most of Knowles’ dynamic receivers are Hearing Aid Compatible (HAC).
To view only wideband dynamic receivers and more generally Seltech's wideband acoustic products, please click here to download a pdf.
Below, Knowles receiver range:
Note 1: Contact system of all receivers is springs.
Note 2: Impedance of all receivers is typically 32 Ohms
*) average value measured in baffle, substract 10dB for value in dB/mW/0.1m
**) in typical application, at -3dB points after resonance peaks, without EQ correction
***) measured at 1kHz in 3.2 high leak adapter
| Receiver Model||Picture||Dimension (mm)||Sensitivity* (W/m)||Air pumping capacity||f0 (hz)||Frequency range**(Hz)||Max sine power (mW)||SPL max*** (@max sine power)|
|RA4.8x10x2.2 M-STOUT||4.8 x 10 x 2.2||65||9mm³||520||450 - 8000||10||110 dB|
| RA6x12x2 LEAN||6 x 12 x 2||65||20mm³||350||300 - 7000||10||110 dB|
| RA6x15x2 FRANKLIN||6 x 15 x 2||71||25 mm³||400||300 - 7000||20||119.5 dB|
| RA6x15x2.5 JULIA||6 x 15 x 2.5||70||16mm³||450||400 - 4000||20||111.5 dB|
| RA8x12x2 PETRA||8 x 12 x 2||68||20 mm³||350||300 - 7000||5||111 dB|
| RA8x15x1.5 NITH||8 x 15 x 1.5||69||36 mm³||300||160 - 7000||10||114 dB|
| RA8x15x2.5 ZWEIGELT||8 x 15 x 2.5||69||36 mm³||300||160 - 7000||10||114 dB|