©2008 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are property of their respective owners. ATS002219 RevB 10/08
General Description |
| System Design Considerations | ||
The FAPSUB consists of a highly efficient 8” subwoofer designed for | How many subwoofers to use, where to place them, and at what | |||
optimal performance in its included enclosure system. The woofer fea- | wattage | to tap them will be different in almost every situation. | ||
tures an extended, vented pole piece for higher excursion and better heat | Variables include: | |||
dissipation and a Kapton® voice coil former for increased power handling. | ||||
Size of the Room | ||||
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A highly efficient, | Speaker Mounting (Ceiling) Height | |||
frequencies from the woofer, while the 937 in3, tuned and ported, deep | Ambient Noise Level | |||
drawn steel enclosure provides frequency response down to 45Hz | Type of Music | |||
(±10dB). A specially designed rippled speaker dust cap helps eliminate | Available Speaker Locations | |||
nearly all frequency artifacts emanating from the center of the woofer | Generally speaking, separate electronic crossovers and amplification | |||
cone. |
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| are not necessary for the FAPSUB. However, in certain high SPL situa- | |||
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A special low saturation 70.7V / 100V transformer is included with pri- | tions the increased efficiency gained by using an active crossover and | |||
mary taps at 1.9, 3.8, 7.5, 15, 30, and 60 watts (@70.7V) to match and | dedicated amplifier is beneficial. Many amplifier manufacturers offer | |||
balance the subwoofer with full range speakers without the need for sep- | ||||
arate amplification. A convenient front mounted selector switch allows | tive | |||
tap selection without the need to remove the speaker from the ceiling. | ||||
This tap selector switch also includes a transformer bypass setting for 8Ω | For contemporary music reproduction, the minimum subwoofer level | |||
/ direct coupled applications. |
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| should be set to match the volume of the full range speakers; however, | |||
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Mounting is simplified with Strategy Series® style "Dog Leg" tabs that | for some high energy music applications the maximum level could be as | |||
allow easy installation into drop tile or drywall ceilings with the provided | much as 10dB louder than the full range speakers. | |||
| (preliminary) | |||
tile bridge assembly. The tile bridge consists of two “V” shaped formed | Like any speaker, use of the bounda effect will inc ease the output of | |||
mounting rails and a | the FAPSUB. Placing the loudspeaker within 3' of a wall will increase the | ||
rails with the screws provided to extend support to the | |||
output by 3dB Placement within 3' of a co ner will inc ease the level | |||
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| CORP | ||
pended ceiling applications. Multiple hole locations are provided to allow | another 3dB (6dB total). | ||
the |
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For existing |
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can be inserted into the hole cut for the FAPSUB. For easy positioning, |
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the “V” shaped support rails match the shape of the |
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maneuvering and location when working "blindly" above the deck. |
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For new construction drywall ceiling applications, the optional |
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trim ring is available. This unit provides a marked location for drywall |
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installers to cut around, essentially reserving the desired location the |
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ceiling until final installation of FAPSUB. Mounting holes are provided to |
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accommodate 16" or 24" OC stud / joist mounting. |
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A support ring is also provided on the top of the FAPSUB enclosure to |
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facilitate an auxiliary support cable. |
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NOTE: IT IS MANDATORY THAT THIS SE ONDARY SUPPORT |
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BE UTILIZED IN DROP CEILINGS FOR SAFETY AND SEISMIC |
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CONSIDERATIONS. |
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FAPSUB
