ATL HD 311
Data
General
- Manufacturer: ATL
- Model: HD 311
- Years of manufacture: 1987-1989
- Made in: Germany
- Colors:
- Dimensions 246 x 906 x 373 mm (W x H x D).
- Weight:
- Original price approx.: DM 1.100,--/piece
Technical Data
- Type: 3-way with horn resonator
- Chassis:
- woofer: 2x 162 mm Westra SW 180-808, 8 Ohm
midrange: 87 mm Seas 10 F-M H084, 8 Ohm
- tweeter: 28 mm modified Isophon KK10 fabric dome tweeter, 4 ohms.
- Power handling (rated/music b.): 110 watts.
- Efficiency:
- Frequency response: 21 - 23,000 Hz.
- Transitional ranges: 130 Hz (horn resonator)/1650/6100 Hz
- Impedance: 6 Ohm
Special Features
- Horn resonator
- Acoustically Active crossover:
- HT: 2nd order high pass, 3.3 uF | 0.15 mH
- MT: 1st order high pass, 4.7 uF.
- TT: low pass 1st order, approx. 0.9 mH
Remarks
Other models of the same series: