Altec Lansing 650BL (c. 1975)
A dynamic microphone with a lockable ON-OFF switch and low-pass cut, designed for professional audio use.
Overview
The Altec Lansing 650BL is a dynamic microphone produced around 1975. It features a single directional pattern and was built for reliable performance in studio or live environments. The microphone includes a low-pass cut switch and a lockable ON-OFF switch, helping to prevent accidental activation or interference during use.
Specifications
| Type | Dynamic type |
| Directional | Single |
| Frequency characteristic | 50 Hz to 15 kHz |
| Output impedance | 200 Ω |
| Output level | -56dBm |
| Front-to-back ratio of sensitivity | 20dB |
| Ham | -120dBm |
| Microphone switch | ON-OFF (lockable) |
| Attachment | Microphone holder |
| Cable | Set (8m) |
Design
The 650BL is a dynamic microphone with a built-in low-pass cut switch. The ON-OFF switch is lockable, ensuring stable operation during critical audio capture.
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