Currently the highest voice in the Hemisphere choir, Alto Hemispheres are the most portable option for the mobile electronic musician.
Feature list and Specifications for both powered and passive Alto Hemispheres:
- Custom-built MDF enclosure
- Finished with a state-of-the-art black powder coating process
- Five handles, for easy rigging and portability
- Speaker elements: six Polk Audio db401 full-range drivers. For full specifications, see the Polk Audio website. Or, download a .pdf of the speaker manual from Polk.
- Frequency response: 85 to 22,000 Hz
- Height at Center: 7″
- Diameter at base: 18.375″
- Weight (speaker only): 17 lbs
- Shipping Weight for powered Alto Hemisphere (with packaging, two adapter cables and power supply): 21 lbs
- Shipping Weight for passive Alto Hemisphere (with packaging): 18 lbs
- Shipping Dimensions: 22″ x 22″ x 10″
For powered Alto Hemispheres:
- Audio Input: Neutrik locking 6-pin XLR jack, plus two included adapter cables:
- For using the speaker as a mono cabinet, a 6-pin XLR male to 1/4″ female jack cable is included
- For using the speaker as a six-channel array, 6-pin XLR male to six RCA male plug breakout cable is included
- Required Power: 12V, 8A (power supply included)
- Amplifier Output Power : 15 W/channel
- Green power indicator LED
- Red overload indicator LED
For passive Alto Hemispheres:
- Audio Input: Neutrik locking 1/4″ phono jack (mono operation only)
- Output power handling: up to 200W continuous, @ 4 or 8 Ohms