| Add：Miaoqiao town Changzhou Jiangsu |
Tel：86-519-86464518
86-519-86470130 |
| Fax：86-519-86464189 |
Email：
qisheng@qisheng-elec.com |
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External-driven Piezo Telephone Ringer |
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Pictures
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Type
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Size
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Resonant Frequency (KHz)
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Min sound pressure lovel (dB)
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Voltage(V)
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QSR-1340 |
12.5×6.8 |
4.0±0.5 |
80dB/10cm |
12 |
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QSR-1410 |
14.1×7 |
4.0±0.5 |
80dB/10cm |
12 |
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QSR-1710 |
16.3×3.9 |
4.0±0.5 |
80dB/10cm |
12 |
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QSR-2310A |
23×4.0 |
4.0±0.5 |
80dB/30cm |
12 |
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QSR-2310B |
23×4.6 |
4.0±0.5 |
80dB/30cm |
12 |
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QSR-2310C |
23×5 |
4.8±0.5 |
80dB/30cm |
6 |
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QSR-3010A |
30×5 |
1.3±0.5 |
75dB/30cm |
12 |
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QSR-3010B |
30×5.7 |
1.3±0.5 |
75dB/30cm |
12 |
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QSR-3010C |
30×5.7 |
3.2±0.5 |
80dB/30cm |
6 |
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QSR-3510A |
34.5×9 |
1.0±0.5 |
78dB/30cm |
12 |
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QSR-3510B |
34.5×9 |
1.0±0.5 |
78dB/30cm |
12 |
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QSR-3510C |
34.5×5 |
4.0±0.5 |
85dB/10cm |
12 |
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QSR-3510D |
34.5×9 |
2.2±0.5 |
75dB/10cm |
12 |
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QSR-3510E |
35×2 |
1.3±0.5 |
75dB/10cm |
12 |
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QSR-4410A |
44×14 |
1.0±0.5 |
78dB/30cm |
12 |
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QSR-4410B |
44-0.2×14 |
0.8±0.5 |
78dB/30cm |
12 |
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QSR-4210A |
42-0.2×16 |
2.8±0.5 |
85dB/30cm |
12 |
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QSR-4210B |
42-0.2×16 |
2.8±0.5 |
85dB/30cm |
12 |
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QSR-4610 |
45.3×4 |
1.2±0.5 |
85dB/30cm |
12 |
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QSR-5010 |
50×2 |
1.0±0.5 |
75dB/10cm |
12 |
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QSR-5020 |
50×9.5 |
0.9±0.5 |
80dB/30cm |
12 |
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