THX Ultra 2 Performance (It just happens to be an in-wall.)
The IWTS-30 LCR is Atlantic’s top-of-the-line in-wall speaker. It’s an exceptionally sophisticated speaker whose lineage traces directly to the highly regarded System 8200e. The 30 LCR is a 3-way design using an 8″ woofer, dual 3 ?” midranges and Atlantic’s exclusive LRT? tweeter in an M-T-M array.
The entire M-T-M assembly rotates 90 degrees so the midranges and tweeter can be kept in the correct vertical orientation whether the speaker is installed horizontally or vertically. The assembly also can tilt up to 8 degrees, so the sound can be precisely directed?at the listening position–up, down, left, or right– regardless of where the speaker is placed in the room.
Particularly noteworthy are?Atlantic’s proprietary?new midrange drivers. Utilizing oversized 1″ voice coils and massive magnets for high efficiency, these drivers exhibit exceptionally low distortion and tremendous power-handling ability. The 30’s remarkable clarity and detail is attributable in large measure to these amazing new drivers.
The 30 LCR’s MDF baffle continues Atlantic’s use of non-resonant baffle material for in-wall speakers, resulting in far better acoustic performance than speakers that use ‘ringy’ plastic or resonance-prone aluminum baffles or enclosures.
As a final touch, the 30 has three easily-accessible controls on the front panel (Boundary Compensation, HF Level, and Location) to adjust for varying placement, room acoustics, and video screen usage situations.
The required GFR-626 grille/frame assembly is?packaged and sold separately, so the grilles can be installed and painted during the construction phase, and the speakers themselves can be installed later on.
Sonic performance rivals the best freestanding speakers
Mounts easily in standard 16″-on-center, 3 1/2″-deep wall construction
Backbox (IN-BOX-30) sold separately, required for THX-certified performance
Tiltable, rotatable midrange-tweeter?assembly with sound-optimization controls
The GFR-626 grille/frame assembly?(required) is?packaged and sold separately for maximum installation/scheduling flexibility
Woofers: 8″?(203mm) GLH* long throw woofer w/Butyl rubber surround and high power motor
Midrange: Dual 3 1/2″?(89mm) GLH* midranges w/1″ voice coils
Tweeter: 1′ (25mm)?Low Resonance?Tweeter w/Neodymium magnet and Ferrofluid cooling
Configuration: 3 way, M-T-M array
Controls: High frequency Level, Location (Behind screen or free-firing), Boundary (Near wall/corner or mid-wall)
Frequency Response: 55Hz – 20kHz +/-3dB
Sensitivity: 89dB, 1 watt, 1 meter
Impedance: 6 Ohms
Crossover frequencies: 500Hz, 2200Hz
Recommended amplifier power: 25?- 200 Watts RMS
Optimum wall volume: 1.0 cu.ft.
Overall Dimensions (W x H x D): 12 5/16 x 21 5/8 x 3 7/8″?(312 x?547 x 100mm)
Cutout dimensions (W x H): 11 1/8 x 20 3/8″ (283 x 518mm)
New Construction Bracket (optional): IN-NC-626
Back Box (optional, but required for THX certification): IN-BOX 30 LCR (for new construction)
Weight :15 lbs. (6.9kg)
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Dimensions (WxHxD, metric)
Unit of measurement
Power Handling (Nominal)
Frequency Response +/-3dB
55Hz – 20kHz +/-3dB
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