The Arco-4-TW incorporates a 4″ woofer with weather resistant polypropylene cone. High frequency reproduction is handled by a 19 mm neodymium dome tweeter for brilliant highs. An Overload Safety Circuit protects the speakers from damage in case of overpowering.
The «T» versions include a multi tap transformer with variable settings including an 8 ohm bypass position. IP 54 versions for outdoor use are available.
| Performance | |
| Frequency Range (-10 dB) | 60 Hz – 18 kHz |
| Horizontal Coverage (-6 dB) | 90º |
| Vertical Coverage | 90º |
| Nominal Impedance | 8 ohms |
| Transformer Taps 70 V | 2.5 W-5 W-7.5 W |
| Transformer Taps 100 V | 5 W-10 W-15 W |
| RMS Power Handling | 50 W |
| Peak Power Handling | 200 W |
| On-axis Sensitivity 1W/1 m | 90 dB SPL |
| Maximum Peak SPL at 1 m | 137 dB |
| Recommended Amplifier | INTEGRAL-A402 |
| INTEGRAL-A404 | |
| Recommended Processor | DSP-226 |
| Connectors | |
| Audio Input Connector | Spring Terminals |
| Audio Output Connector | Spring Terminals |
| Enclosure | |
| Enclosure Construction | High Impact ABS |
| Enclosure Geometry | Trapezoidal |
| Color | White |
| Depth | 140 mm (5,5 in) |
| Dimensions ( H x W x D ) | 210 x 135 x 140 mm |
| 8,3 x 5,3 x 5,5 in | |
| Net Weight | 1,6 kg ( 3,5 lb ) |
| Components | |
| LF Driver | 4G |
| HF Driver | TWT-4 |