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VII. Technical Information
SPECIFICATIONS
1. The system is packed in two cartons marked “Part 1“ and
“Part 2.”
Shipping Weight: F^arl 1.45.5 lbs Pari 2.43 5 lbs
Carton Dimensions: 25%"x I6"x 14)4'*
2. The Speaker
Dimensions: 21" Wide x 12%" High x 13" Deep
Weight: 35 lbs Impedance: 8 ohms
3. Percentages of Direct and Reflected Sound Radiation
Power radiated by reflection. 89%
Power radiated directly: 11 %
4. Power Handling
Minimum recommended amplifier power: 10 walls rms per
channel at 8 ohms.
Maximum Recommended Power for full dynamic range
home listening: 70 watts rms per channel at 8 ohms
Using high quality equipment, the quality of the sound will
remain the same over the 10 to /0 watt range, with the only
difference being the maximum attainable volume. Twenty
watts (in most listening rooms) should provide more than
adequate volume levels.
Maximum Recommended Power: 70 waits continuous with
musical peaks up to 250 watts rms per channel at 8 ohms,
5. Speaker Configuration
SPATIAL CHARACTERISTICS: Eight speakers reflecting
sound at 30° angles from the wall behind the speaker: one
speaker directed into the listening area to provide the opti*
mum ratio of reflected to direct sound and the proper angles
of the reflected sound incident upon the listener
SPEAKER COMPLEMENT: Nine matched full-range speak
ers. utilizing aluminum helically wound voice coils; linear,
high-excursion suspension; low impedance (0.9 ohms) voice
coils connected in series.
ENCLOSURE: Acoustic Matrix*“, utilizing three Reactive Air
Columns tuned well below system resonance and partially
isolated individual cells for each driver; air columns emerge
through rear of speaker cabinet for maximum efficiency.
6. The Active Equalizer
BELOW 40 CONTOUR CONTROL: Two-position. eight-dB
decrease at 40 Hz,
HIGH-FREQUENCY CONTOUR: Continuously adjustable
slider with center detent; shelving control with range of
±2.5 dB above 4kHz,
MID-BASS CONTOUR: Continuously adjustable slider with
center detent; +3 dB. —5 dB adjustment over band from
80 Hz to 260 Hz.
TAPE MONITOR SWITCH; Replaces tape monitor switch on
receiver or amplifier when equalizer is connected in tape
monitor circuit.
Dimensions: 2yie" I ligh x SYie" Deep x
11'/,e" Wide
Input impedance: GOkilohms
Harmonic distortion: < 1%( I O voli output)
Noise ( A" weighted): 85 dB below 1 volt
Minimum load impedance; 5 kilofims
Maximum output voltage; 4 0 volts
Maximumgain; 20dBat l6kHz(normal|dolted|
^ selling)
18
(19 pages)
(56 pages)
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