Acoustic Research AR-98LS
Little is documented about the Acoustic Research AR-98LS. What the record shows comes from a single period listing in a German hi-fi equipment directory. HiFI-Stereo (1984, p.116) described it as a speaker with a high-density nonresonant multi-fiber construction, finished in hand-rubbed walnut veneer, with an alternative black finish and a removable black convex grille. The same entry listed a frequency response of 28-22,000 Hz ±2 dB, nominal impedance of 8 ohms (minimum 6.5 ohms), and an efficiency rating of 91 dB SPL/W/m. The input terminals were quick-connect/disconnect type. A tweeter fuse with a built-in spare sat on the rear panel.
That is about all the contemporary record gives. The sources examined don't say whether the AR-98LS was a two-way or three-way design, what drivers it used, how big or heavy the cabinet was, or what years it was made. The model doesn't appear in the standard AR catalog histories alongside the better-known AR-98LSI or AR-9 series. That suggests it may have been a short-lived variant - perhaps a German-market or export version of an existing model. No owner's manual, service literature or additional reviews survive.
- Type: Loudspeaker (floor-standing or bookshelf — unknown)
- Frequency response: 28–22,000 Hz ±2 dB
- Impedance: 8 ohms nominal, 6.5 ohms minimum
- Efficiency: 91 dB SPL/W/m
- Finish: Hand-rubbed walnut veneer or black, with removable black convex grille
- Input: Quick-connect/disconnect terminals; accessible tweeter fuse with spare
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