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ETL™ Based Structural Loudspeaker

The ADPC1 allows the MD1 or MD1R to be mounted in the ceiling.

The Architectural In-Ceiling loudspeaker will be the MD1(R)C and it opens up a world of possibilities for this application. This ETL™ based loudspeaker produces no acoustic energy in the ceiling structure and greatly reduces vibration while increasing dynamics and dispersion. Coherent back EMF improves the amplifiers operation with remote volume controls and distribution transformers. The MD1(R)C distributes all of the drivers acoustic output into the room and is not affected by nearby reflection surfaces. The single driver and elimination of diaphragm breakup assures that the nearby wall reflections are the same as the on-axis output. The MD1(R)C ceiling speaker has the remarkable ability to respond to lower bass and higher treble frequencies simultaneously while dispersing the sound to the entire room. This level of performance eliminates the need for wall speakers with solid depth, width and height imaging achieved from the ceiling. speaker has the remarkable ability to respond to lower bass and higher treble frequencies simultaneously while dispersing the sound to the entire room. This level of performance eliminates the need for wall speakers with solid depth, width and height imaging achieved from the ceiling. The MD1(R)C can be mounted in any ceiling and if not to high right above flush mounted HDTV sets while clearly tracking the on screen sound. It makes the sound image bigger than the picture itself for truly wonderful involvement in the action. The MD1(R)C provides excellent off axis imaging providing the proper phantom for center image to all viewers. The center channel can be used in surround systems but phantom is good even for this application. With a full 40-20kHz response, this is the true solution for music and home theater integrated into a invisible system that won’t transmit sound into the surrounding structures. The MD1(R)C can be specified for any ceiling location with consistent natural sound for all rooms. Subwoofers are an option with this speaker, which reproduces the full range of sound in its acoustic output. The MD-1(R)C can be used with any quality amplifier or surround receiver with up to 100W. The MD-1(R)C has been measured to produce dynamic levels over 100db and with an even diffusion of the sound this results in less need for blasting it. One very important aspect of any speaker is the ability to resolve low-level detail. This is the factual definition of dynamic range not how loud it gets and with the MD-1(R)C you can maintain low levels and hear all of the dynamics, vocal and detail.


(Front)

(Back)

(Back)

The MD1(R)C requires a 8.625” (219.075mm) cutout with a 10.31” (262mm) overall bezel diameter. The depth is 4.83” (122.85mm) from the front mounting surface. The front bezel has a flush edge (<1mm) offset a maximum of .34” (8.65mm) from the surface at grille center.

Features

  • Wide dynamic range low compression at high volumes
  • No sound projected into the internal ceiling structure
  • Wide dispersion allows fewer units for distribution applications
  • Low resonance/wide dispersion prevents acoustic localization of speaker
  • Low surface profile high perforation grille low signal blockage
  • Low cone breakup allows close or distant listening with even volume
  • Can be played at low background levels maintaining detail and clarity
  • Moderate impedance good for long wire runs from amplifier
  • Stable impedance coherent back EMF benefits distribution transformers
  • Normal untreated walls enhance the power response of the MD1RC
  • Ventriloquist like sound properties project full vertical/horizontal image
  • Corner mounting enhances the bass response not make it boomy
  • Sonically identical to MD-1R if necessary to mix ceiling and satellites
  • Low product weight can be used in all ceilings including low mass tiles
  • Simple four anchor two hand installation with Phillips screwdriver
  • Popular diameter similar to typical 6” 2-way cutout for easy retrofitting
  • Shallow profile blends into any ceiling surface
  • Can be painted to match any décor
  • Consistent performance brings confidence to planned results
  • Raises dwelling value as an objective utility with observable quality
  • Absolutely musical and natural with all sound source material
  • HDSS® logo assures these characteristics in marked speaker products

Specifications:

SPEAKER TYPE Low Depth Ceiling Mount Enclosed Loudspeaker
SYSTEM ELEMENTS ADPC1 Plastic Ceiling Adapter / MD-1(R) Micro-Monitor
FREQUENCY RESPONSE On axis 40Hz – 20kHz (50-17kHz / MD-1)
POWER RESPONSE 50Hz – 17kHz (60Hz – 15kHz – MD-1)
PHASE RESPONSE Pure Phase No Crossover or Acoustical Anomalies
POWER HANDLING 50W IHF full range (100 W IHF) Low Frequency Restricted
DYNAMIC RANGE 80 db Sensitivity 86db @ 2meters @ 1watt
IMPEDANCE 8 ohms Nominal / Minimum - Reliably Operate Two as 4 ohm Load
CONNECTIONS High Quality Gold Plated 5- way Binding Posts
DIMENSIONS 10.3” Overall Circumference (8.625” Cutout) / 4.83” Depth)

ADPC1 + MD1 + MD1R Options

ADPC-1 With Monitors (Pair)
Foreign Shipping Instructions

Check for Demo Units

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