Indiana Line
RD 280
The Indiana Line RD 280 is a two-way concentric installation loudspeaker manufactured by Indiana Line for ceiling or wall mounting. It uses a 210 mm midwoofer and a 24 mm ring-dome tweeter in a sealed/infinite-baffle enclosure, with a 4 kHz crossover and a 48–22,000 Hz frequency response. It has 93 dB sensitivity, 4–8 ohm impedance, a recommended amplifier power of 20–70 W, a white finish, and a 271 mm flange with a 237 mm mounting diameter.
MSRP
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Specifications
- Color
- white
- Crossover
- 4000 Hz
- Weight
- 1,6 kg lbs
- Dimensions
- flange: 271 mm, mounting diameter: 237 mm"
- Amplifier class
- 4 – 8 ohm
- Driver diameter
- midwoofer: 1 x 210 mm, tweeter: 24 mm, ring dome
- Frequency response
- 48 – 22000 Hz
- Sensitivity 28 v 1
- 93 dB m
- Speaker alignment type
- 2-way / ceiling
- Suggested amplifier power
- 20 – 70 W
- Box aligment port placement
- sealed / infinite baffle
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