Bookshelf Speakers — PMC IB2S

The IB2S is a bookshelf speaker from PMC, built with a demanding 4 ohm nominal impedance and considerable power requirement. PMC's transmission-line-influenced engineering runs throughout this model.

Key specs that matter

Rated response is 25 Hz to 25 000 Hz, an unusually deep low-end figure for the bookshelf category. Sensitivity is 89 dB into 4 ohms with a demanding 120-500 W recommended window. At 74.0 x 33.0 x 46.5 cm and 41 kg it is a very large, heavy bookshelf cabinet, considerably larger than most conventional stand-mount speakers despite its nominal bookshelf classification.

Pairing

The 4 ohm load and demanding 120-500 W window call for a powerful amplifier with real current delivery.

Alternatives

PMC's twenty5.22i sits at a more modest scale within the brand's bookshelf catalogue with a considerably less demanding amplifier requirement.