Opera Loudspeakers · Speakers
Callas
Callas is a two-way bookshelf speaker with a 7 inch woofer, ScanSpeak 9700 tweeter, rear bass-reflex loading, and a vocal adjustment switch.
fig. 01 · speakers
Callas
6 photographs · 5 shown
From Opera Loudspeakers
Callas uses a handmade 14-liter cabinet with curved wood construction, a thick front baffle, and heavy damping behind the woofer to keep the midrange clean. Its rear port and 2000 Hz crossover support close-wall placement, nearfield listening, and a stable soundstage from a compact cabinet.
Specifications
| Type | Two-way Rear Bass-Reflex Bookshelf Speaker |
|---|---|
| Finish | Lacquered Walnut, Lacquered Mahogany |
| Tweeter | 1” Scanspeak 9700 tweeter without ferrofluid and double decompression chamber |
| Woofer | 7” long-throw woofer with polypropylene re-cooked cone and phase plug |
| Sensitivity (2.83V/1m) | 89 dB |
| Frequency response (-3 dB) | 40 - 25000 Hz |
| Nominal impedance | 4 Ω |
| Minimum impedance | 3 Ω |
| Maximum power | 100 W (without clipping) |
| Controls | Vocal adjustment switch |
| Recommended amplifier power | Starting from 10 W |
| Crossover frequency | 2000 Hz (aprox.) |
| Position in the room | At least 5 cm from the rear wall. Distance between speakers 1.5 – 3 m, directed toward the listening point |
| Dimension | 42 x 24,5 x 42 cm (h x l x d) |
| Net Weight | 15 kg each |