AIWA AD-6900MK II
Not much is documented about the AIWA AD-6900MK II. The Archive's research file has no spec sheet, no manual and no independent reviews, so almost everything here rests on AIWA's own advertising from late 1979. The campaign was built around putting metal tape where it does the most good. It introduced three AIWA decks made for metal cassette tape: the AD-6900MK II, AD-6700, and AD-L40. Audio (December 1979, p.17) carried the ad, and so did HiFI-Stereo (December 1979, p.92).
Here is what the ads claim for the 6900MK II: state-of-the-art performance, a frequency response starting at 20 Hz measured at −20 dB recording (the upper figure is cut off in the surviving scans), "Double Needle Meters" showing peak and VU levels at the same time, and remote control from across the room. No production years, original price or independent measurements have turned up yet. If you have a manual or service literature for this deck, the Archive would like to hear from you.
- Type: cassette deck with metal-tape capability
- Lineup context: sold alongside the AIWA AD-6700 and AD-L40 as a metal-capable deck
- Advertised features: Double Needle Meters (simultaneous peak/VU), remote control
- Advertised spec: frequency response from 20 Hz at −20 dB recording (upper value illegible in source)
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