Meridian D-600B (1991)
Surviving information on the Meridian D-600B is thin. An equipment profile in Audio (March 1991, p.64) lays out the basics. The D-600B was an active, three-way, vented-box loudspeaker. Each cabinet held three 70-watt power amplifiers, an electronic crossover, and digital control circuitry. It was a complete speaker system, not a passive box.
The inputs were the unusual part. The self-powered D600Bs accepted both digital and analog signals, with remote input selection and remote control of tone and volume. That was rare for a speaker in 1991. The digital control system handled communication between the two speakers and with Meridian's 200-series components, ran the front-panel display, and supervised the digital audio path. As was typical for Meridian, Boothroyd provided most of the styling and industrial design. The D-600B got the distinctive, European avant-garde look that set the company's products apart from other manufacturers'.
Measured performance held up well. Audio (March 1991, p.70) found frequency response flat within ±1.5 dB from 44 Hz to 20 kHz using Meridian's recommended bass setting. The profile also mentioned a "tilt" control that gradually shifted the high/low frequency balance, alongside bass and other settings.
Known Specifications
- Type: active three-way, vented box
- Amplifiers: three 70 W per speaker
- Inputs: digital and analog, remote-selectable
- Controls: volume, tone, tilt, bass; remote control
- Measured response: ±1.5 dB, 44 Hz–20 kHz
The archive holds no further documentation on the D-600B beyond this equipment profile. There is no pricing, no production dates, and no deeper history.
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