M91/L - 长度= 470
M91/H - 长度= 430
| U | 频率 | 声级[dB] | 符号 |
订单号 |
|---|---|---|---|---|
| 12 V | 高390 Hz ± 5% | 117 | M91/1N/12V HIGH | TFK-41AT |
| 12 V | 低340 Hz ± 5% | 117 | M91/1N/12V LOW | TFK-42AT |
| 12 V | set H+L | 117 | M91/2/12V | TFK-43BT |
| 24 V | 高390 Hz ± 5% | 117 | M91/1N/24V HIGH | TFK-44AT |
| 24 V | 低340 Hz ± 5% | 117 | M91/1N/24V LOW | TFK-45AT |
| 24 V | set H+L | 117 | M91/2/24V | TFK-46BT |




















































































































































































































