Audio Technica AT-3528 (c. 1998)
Surviving information on the AT-3528 is thin. What the period record shows: it was the third member of Audio-Technica's 30 Series microphone line, introduced around 1998 and promoted alongside the AT-3525 (cardioid condenser, $399 suggested retail) and AT-3527 (omnidirectional condenser, $299 suggested retail). An EQ preview of the line (February 1998, p.34) reported Audio-Technica's claimed 30 Hz–20 kHz response for the trio, and noted that every 30 Series microphone carried two built-in switches, one being a -10 dB pad; the second switch's function isn't legible in the surviving copy.
The AT-3528 also appeared in Audio-Technica's own advertising of the period - including a spread in Mix (March 1998, p.53) that played the value angle. Neither the ads nor the editorial preview states the 3528's own polar pattern or suggested retail price. The archive has nothing further on this model.
- Family: Audio-Technica 30 Series (with AT-3525, AT-3527)
- Claimed series frequency response: 30 Hz–20 kHz
- Two built-in switches, including a -10 dB pad
- Polar pattern and original price: not documented in surviving sources
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