BMR Speakers | Seltech

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How to estimate SPL from a microphone output ?

14 October 2025

When developing audio devices involving microphones, knowing the actual Sound Pressure Level (SPL) hitting your sensor is crucial. It…

BALANCED MODE RADIATORS (BMRs)

Balanced Mode Radiators (BMRs) combine bending wave mode technology with pistonic motion to create full audio range, wide directivity speaker drivers for lifelike sound reproduction. Use them to bring class-leading intelligibility to your products and wide coverage throughout the room.

Name	Dimensions [mm] (Ø x t) (l x w x t)	Impedance (Ohm or Ω)	Rated power [W]	Sensitivity @ 1kHz, 1W/1m [dB SPL]	F0 (Hz)	Frequency range [Hz]
TEBM54C30-8F	73x73x36,6	8	30	85,5	149	150 - 30000
TEBM65C20-8	108x56,82	8	30	78	104	50 - 20000
TEBM36S05-4	58x58x20,6	4	5	79.5	170	90 - 20000
TEBM36S12-4A	65x65x29,7	4	12	81	165	80 - 20000
TEBM36S12-4A	65x65x29,7	8	12	82	148	90 - 20000
TEBM46C20N-4B	75x34,65	4	20	85	170	125 - 20000
TEBM65C20-4	108x56,82	4	30	79	97	50 - 20000
TEBM28C10-4-A	54,63x25,77	4	10	80.5	130	100 - 13000
TEBM35C10-4	54x25,1	4	10	79	185	85 - 20000

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BALANCED MODE RADIATORS (BMRs)

Balanced Mode Radiators (BMRs) combine bending wave mode technology with pistonic motion to create full audio range, wide directivity speaker drivers for lifelike sound reproduction. Use them to bring class-leading intelligibility to your products and wide coverage throughout the room.

Name	Dimensions [mm] (Ø x t) (l x w x t)	Impedance (Ohm or Ω)	Rated power [W]	Sensitivity @ 1kHz, 1W/1m [dB SPL]	F0 (Hz)	Frequency range [Hz]
TEBM54C30-8F	73x73x36,6	8	30	85,5	149	150 - 30000
TEBM65C20-8	108x56,82	8	30	78	104	50 - 20000
TEBM36S05-4	58x58x20,6	4	5	79.5	170	90 - 20000
TEBM36S12-4A	65x65x29,7	4	12	81	165	80 - 20000
TEBM36S12-4A	65x65x29,7	8	12	82	148	90 - 20000
TEBM46C20N-4B	75x34,65	4	20	85	170	125 - 20000
TEBM65C20-4	108x56,82	4	30	79	97	50 - 20000
TEBM28C10-4-A	54,63x25,77	4	10	80.5	130	100 - 13000
TEBM35C10-4	54x25,1	4	10	79	185	85 - 20000

Filter: Reset

#wtbp-table-62_285019_wrapper table {border-collapse: collapse;} #wtbp-table-62_285019_wrapper th {color: #3b3b3c;font-size: 14px;text-align: center;} #wtbp-table-62_285019_wrapper td {font-size: 12px;} #wtbp-table-62_285019 td {text-align: center;} #wtbp-table-62_285019 .thumbnail img, #wtbp-table-62_285019 .wtbpAddToCartWrapper {margin-left: auto;margin-right: auto;} #wtbp-table-62_285019_wrapper .wtbpFiltersWrapper select {max-width: 90%;} .wtbpModalContent {width: 80%;}

Search for specific product:

Categories:

Latest News:

How to estimate SPL from a microphone output ?

14 October 2025

When developing audio devices involving microphones, knowing the actual Sound Pressure Level (SPL) hitting your sensor is crucial. It…

Search for specific product:

Categories:

Latest News:

How to estimate SPL from a microphone output ?

14 October 2025

When developing audio devices involving microphones, knowing the actual Sound Pressure Level (SPL) hitting your sensor is crucial. It…

BALANCED MODE RADIATORS (BMRs)

Balanced Mode Radiators (BMRs) combine bending wave mode technology with pistonic motion to create full audio range, wide directivity speaker drivers for lifelike sound reproduction. Use them to bring class-leading intelligibility to your products and wide coverage throughout the room.

Name	Dimensions [mm] (Ø x t) (l x w x t)	Impedance (Ohm or Ω)	Rated power [W]	Sensitivity @ 1kHz, 1W/1m [dB SPL]	F0 (Hz)	Frequency range [Hz]
TEBM54C30-8F	73x73x36,6	8	30	85,5	149	150 - 30000
TEBM65C20-8	108x56,82	8	30	78	104	50 - 20000
TEBM36S05-4	58x58x20,6	4	5	79.5	170	90 - 20000
TEBM36S12-4A	65x65x29,7	4	12	81	165	80 - 20000
TEBM36S12-4A	65x65x29,7	8	12	82	148	90 - 20000
TEBM46C20N-4B	75x34,65	4	20	85	170	125 - 20000
TEBM65C20-4	108x56,82	4	30	79	97	50 - 20000
TEBM28C10-4-A	54,63x25,77	4	10	80.5	130	100 - 13000
TEBM35C10-4	54x25,1	4	10	79	185	85 - 20000

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