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Fullrange Systems
- BF 32 - 8 Ohm
- BF 45 - 4 Ohm
- F 8 SC - 8 Ohm
- FR 10 - 4 Ohm
- FR 10 - 8 Ohm
- FR 10 F - 4 Ohm
- FR 10 HM - 4 Ohm
- FR 10 HM - 8 Ohm
- FR 10 HMP - 4 Ohm
- FR 10 WP - 4 Ohm (black)
- FR 10 WP - 4 Ohm (white)
- FR 10 WPX - 4 Ohm (black)
- FR 12 - 4 Ohm
- FR 12 - 8 Ohm
- FR 13 - 4 Ohm
- FR 13 WP - 4 Ohm (black)
- FR 13 WP - 4 Ohm (white)
- FR 16 WP - 4 Ohm (black)
- FR 16 WP - 4 Ohm (white)
- FR 6,5" - 8 Ohm
- FR 7 - 4 Ohm
- FR 8 - 4 Ohm
- FR 87 - 4 Ohm
- FR 8 - 8 Ohm
- FR 8 JS - 8 Ohm
- FR 8 WP - 4 Ohm (black)
- FR 8 WP - 4 Ohm (white)
- FR 8 WP - 8 Ohm (black)
- FR 8 WP - 8 Ohm (white)
- FR 9.15 - 4 Ohm
- FRS 10 WP - 4 Ohm (black)
- FRS 10 WP - 4 Ohm (white)
- FRS 10 WP - 8 Ohm (black)
- FRS 10 WP - 8 Ohm (white)
- FRS 5 - 8 Ohm
- FRS 5 X - 8 Ohm
- FRS 5 XTS - 8 Ohm
- FRS 7 - 4 Ohm
- FRS 7 - 8 Ohm
- FRS 7 S - 8 Ohm
- FRS 7 W - 8 Ohm
- FRS 8 - 4 Ohm
- FRS 8 - 8 Ohm
- FRS 8 M - 8 Ohm
- FRWS 5 - 4 Ohm
- FRWS 5 - 8 Ohm
- FRWS 5 R - 8 Ohm
- FRWS 5 SC - 8 Ohm
- K 50 - 50 Ohm
- K 50 - 8 Ohm
- K 50 SQ - 8 Ohm
- K 50 WP - 16 Ohm
- K 50 WP - 50 Ohm
- K 50 WP - 8 Ohm
- K 57 C - 8 Ohm
- K 64 WP - 50 Ohm
- K 64 WP - 8 Ohm
- K 64 WPT - 8 Ohm
- R 10 S - 4 Ohm
- R 10 S - 8 Ohm
- R 10 SC - 4 Ohm
- R 10 SC - 8 Ohm
- R 10 SC Spezial - 8 Ohm
- R 10 S TE - 8 Ohm
- SC 13 - 8 Ohm
- SC 4.7 ND - 4 Ohm
- SC 4.7 ND - 8 Ohm
- SC 5.9 - 8 Ohm
- SC 5.9 ND - 4 Ohm
- SC 5.9 ND - 8 Ohm
- SC 5.9 OM - 8 Ohm
- SC 8 N - 8 Ohm
- SL 713 - 4 Ohm
- SL 87 FE - 8 Ohm
- SL 87 ND - 8 Ohm
- SL 87 WPM - 4 Ohm
- SL 87 WPM - 8 Ohm
- SL 87 XA - 8 Ohm
- WS 13 E - 8 Ohm
- Bass Midranges
- Miniature Speakers
- Magnetically Shielded Speakers
- Waterproof Speakers
- Re-Entrant Horn Speakers
- Cabinet-housed speakers
- Structure-borne drivers
BF 45 - 4 Ohm
Art. No. 2240
4.5 cm (1.8") miniature speaker with aluminium diaphragm and transparent plastic basket with two mounting holes. Balanced frequency response and very good low range reproduction. Suitable for applications where slim construction and good music and speech reproduction are requested.
Technical Data
| Rated power | 4 W |
|---|---|
| Maximum power | 8 W |
| Nominal impedance Z | 4 Ohm |
| Frequency response | 90–20000 Hz |
| Mean sound pressure level | 79 dB (1 W/1 m) |
|---|---|
| Resonance frequency fs | 158 Hz |
| Height of front pole-plate | 3 mm |
| Voice coil diameter | 17 mm |
| Height of winding | 4 mm |
| Cutout diameter | 45 mm |
| Net weight | 0,032 kg |
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