Harman Kardon AVR-20
Documentation for the Harman Kardon AVR-20 is thin. What survives comes almost entirely from period advertisements and retailer listings in the mid- to late-1990s. The model appears to have been a Dolby Pro Logic A/V receiver, sold in at least two revisions.
The earliest mentions, from 1996, show a receiver rated at 120 watts per channel in stereo, with 50 watts each for the three front and center channels and 20 watts for the two rear surrounds. That was a fairly conventional Pro Logic power layout for the period. Listings in HiFI-Stereo (February 1996, p.145) and later that year (August 1996, p.101) call it a "Hi-End A/V Receiver" and a "Pro-Logic Remote A/V Receiver." A "AVR-20 II" variant appears by May 1996 (HiFI-Stereo, May 1996, p.99).
By 1998, a version labeled "AVR20 MKif" (presumably Mk II) surfaces with different power figures: 60 watts per channel in stereo, or 50 watts for the front three channels plus 20 for the rear in surround mode. Audio (July 1998, p.73) noted that this later iteration had high-current, low-impedance drive capability, 30 AM/FM presets, and a remote control. The sources don't say whether the power-rating shift reflects a genuine redesign, a different measurement standard, or just an OCR error in the surviving records.
No original retail price, production run dates, dimensions, or weight have been confirmed. The receiver was sold through discount and mail-order HiFi outlets, which suggests it competed in the mid-tier home theater market of the mid-1990s.
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