Characteristics and sound properties
The ALTO I is a 2-way shelf-mounted speaker with a cabinet volume of 13 litres. Apart from the 20 mm tweeter cone, the cabinet contains a 17 cm diameter mid-bass cone.
The sound qualities of the ALTO I are "warm" but with crisp, high-range reproduction.
This kit is ideally suited to replacing the more basic speakers often supplied as standard with low-priced hi-fi systems and thus improving the overall standard of the system.
Since the bass ports are at the front, the ALTO I can be hung on the wall or placed in bookshelves, facilitating good bass response even in rooms with difficult acoustics.
| Technical Data: |
|---|
| Rated power | 60 W |
| Maximum power | 100 W |
| Nominal impedance Z | 4 Ohm |
| Frequency response | 50–22000 Hz |
| Mean sound pressure level | 83 dB
(1 W/1 m) |
| Cut-off frequency | 3500 Hz |
| Principle of Housing | Bassreflex |
| Net volume | 13 l |
| Outer dimension height | 380 mm |
| Outer dimension width | 230 mm |
| Outer dimension depth | 230 mm |
Component parts list for 1 box
The kit includes all the components listed here but not the cabinet.
| Tweeter | DT 94 8 Ohm | 1 pc. |
| Bass-midrange driver | W 170 S 4 Ohm | 1 pc. |
| Crossover | Crossover Alto I/II (with terminal, cables and plugs) | 1 pc. |
| Bass reflex tube | BR 6.8 (full length) | 2 pcs. |
| Damping material | Polyester wool | 1 bag |
| Wood screws | 3.5 x 19 mm | 12 pcs. |
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