Aiwa DM-503 (1976)
A dynamic single-channel microphone released by Aiwa in 1976 with a frequency range of 100–12,000Hz and 50kΩ impedance.
Overview
The Aiwa DM-503 is a dynamic single-channel microphone introduced by Aiwa in 1976. Identified as a basic microphone with a standard frequency response, it was designed for general audio capture. The unit includes a desktop microphone stand and is built for durability typical of professional dynamic mics of the era.
Specifications
| Type | Dynamic single-channel microphone |
| Frequency range | 100–12,000Hz |
| Impedance | 50kΩ |
| Accessories | Desktop microphone stand |
Design
This dynamic microphone features a straightforward, functional design typical of entry-level professional microphones from the 1970s. It has a standard frequency range response and is built as a basic microphone with no additional circuitry or power requirements.
Market
The Aiwa DM-503 is now considered a collectible item due to its age. Listings for one or two units appear on vintage marketplaces, with a pair averaging around $49.89, though prices can vary from $15.00 to $80.00 depending on condition and quantity. Some units may lack connectors, requiring adapters for modern interfaces.
eBay Listings
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