Mordaunt Short Avant 902i
Bookshelf speaker with 2-way bass-reflex design and rear-firing port, from Mordaunt Short, with reinforced cabinet and magnetic shielding.
Description
The Avant 902i from Mordaunt Short is a bookshelf speaker designed with a 2-way bass-reflex architecture. It is aimed at those seeking a compact listening solution for a stereo system, without requiring the bulk of a floorstanding speaker.
The bass-reflex loading relies on a port positioned at the rear of the cabinet. This rear-facing position affects installation: the speaker must be placed with sufficient clearance from the back wall so that the port functions correctly and the bass response is not disturbed by excessive proximity to the wall.
The cabinet is described as reinforced, a construction intended to limit unwanted vibrations of the enclosure and preserve the speaker's sound quality over time. The presence of magnetic shielding also indicates a design intended to sit close to devices sensitive to magnetic fields, as was the case with certain cathode-ray tube televisions of the period.
This bookshelf speaker suits a small to medium-sized stereo installation, in a living room or office, for a user wanting a compact pair of speakers to pair with an amplifier.
Technical specifications
| Type | 2-way, bass-reflex |
| Tweeter | 1 x 25 mm (1") aluminium dome |
| Woofer | 1 x 130 mm (5.25") aluminium CPC midrange/woofer |
| Frequency response | 55 Hz - 22 kHz |
| Sensitivity | 89 dB |
| Recommended power | 15-100 W |
| Weight | 5 kg |
What to check before buying used
Check the driver surrounds, which can harden or crack with age and affect bass performance. Inspect the cabinet's woodwork (corners, veneer, absence of damp marks) as well as the condition of the diaphragm fabric, with no holes or lifting. Also check that the rear bass-reflex port is not blocked or cracked, and listen to each speaker separately to detect any difference in sound between the two units of the pair.
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