| The HTM1D is the largest of four centre speakers in the 800 Series. It could be considered an 802D with a different aspect. The full configuration of FST™ midrange in a Marlan® sphere/tube 'head' with diamond dome tweeter on top is used, so that the system perfectly voice matches either the 800D, 801D or 802D in a substantial and powerful multi-channel installation. To supply the prodigious bass power necessary to keep up with these powerful main speakers, the HTM1D uses three 200mm (8 in) diameter Rohacell® cone drivers with twin rear-firing Flowports™. All drivers are, of course, magnetically shielded to avoid picture distortion with CRT-based screens. The HTM1D is specifically intended to be mounted on the floor, its low profile allowing a large projection screen to come within 600mm (2 ft) of the floor. Supplied with the system are four heavy-duty height-adjustable feet. This design allows up to 40mm (1.6 in) of vertical adjustment so that the speaker may be tilted back to face more towards the listeners. They have a case hardened spike at one end for carpeted floors, and a non-marking rubber pad on the other for more vulnerable surfaces. Technical Specifications : HTM1D | | Description | 3-way magnetically shielded vented-box system | | Dimensions | Height: 585mm (23 in) (not including feet)
Width: 974mm (38.3 in)
Depth: 580mm (22.8 in)
| | Net Weight | 93kg (205 lb) | | Freq. Response | 38Hz - 28kHz ±3dB on reference axis | | Freq. Range | -6dB at 32Hz and 33kHz | | Sensitivity | 90dB spl (2.83V, 1m) | | Normal Impedance | 8 ohms (minimum 3.7 ohms) | | Power Handling | 50W - 1000W into 8 ohms on unclipped programme | | Drive Units | Unit 1: 1x 25mm (1 in) diamond dome high-frequency
Unit 2: 1x 150mm (6 in) woven Kevlar® cone FST midrange
Unit 3: 3x 200mm (8 in) Rohacell® cone bass
| | Finish | Cabinet: Real wood veneers of Cherrywood, Rosenut or Black Ash
Grille: Black cloth | | Dispersion | Description: Within 2dB of reference response
Horizontal: over 60º arc
Vertical: over 10º arc
| | Harmonic Distortion | 2nd and 3rd harmonics (90dB, 1m)
<1% 55Hz - 100kHz
<0.5% 100Hz - 100kHz | | Crossover Frequency | 350Hz, 4kHz | | Max. Recommended Cable Impedance | 0.1 ohms |
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