Altec Lansing 508A
Little is documented about the Altec Lansing 508A beyond a single period test report. HiFI-Stereo (November 1991, p.34) measured the 508A's output as flat within ±2.5 dB from 130 Hz to 20 kHz, with an additional 3 dB rise between 60 and 100 Hz. The same review noted heavy-duty binding posts on the rear panel. They are recessed and angled for easy cable connection, and they take bare wire, single banana plugs, or dual banana plugs. Altec Lansing specified the nominal impedance, but the exact figure is not preserved in the existing excerpt.
No further specifications appear in the available record. That means no power handling, sensitivity, dimensions, or cabinet type. Production years, original pricing, and market context are undocumented too. The 508A remains an obscure entry in Altec's loudspeaker line, known only through this one contemporary measurement.
Known Specifications
- Frequency response: ±2.5 dB from 130 Hz to 20 kHz; additional +3 dB from 60–100 Hz (measured, HiFI-Stereo, November 1991)
- Connectors: Heavy-duty binding posts, recessed and angled; accept bare wire, single or dual banana plugs
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