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Upper Saddle River, NJ (3/31/10) Integra, the industry's
top brand of AV components specifically engineered for custom
installation, is now shipping a powerful new nine-channel home
theater power amplifier that is rated at 150-Watts per channel.
It is believed to be the industry's first high-performance
nine-channel home theater power amplifier. After being tested by
THX, the Integra DTA-70.1 was awarded their top-level THX Ultra2
certification, indicating its ability to drive all of the
speakers in a modern nine-channel home theater system to full
THX output levels and beyond.
The Integra DTA-70.1 is designed as a companion
product to the Integra DHC-80.1 9.2-channel AV processor for
theater systems that use the new 'height' or 'stereo-wide'
channels for enhanced three-dimensional ambience. The amplifier
is also a highly versatile companion to seven-channel preamps
such as the Integra DHC-40.1 with the extra channels dedicated
to additional zones or for bi-amplified connections that double
the power available to the main stereo loudspeakers.
The DTA-70.1 is an all-analog discrete-component
power amplifier with a massive power supply and
professional-style balance line inputs. Each channel has
identical symmetric circuit layouts, configured in a push-pull
topology utilizing high-performance three-stage inverted
Darlington circuitry and powerful custom-designed output
transistors. Like all Integra amplifiers and receivers, it uses
the company's WRAT (wide range amplifier technology) with low
negative feedback, closed ground-loop circuits, and HICC (high
instantaneous-current capability) to achieve an extended
frequency range, low noise, and high dynamics.
The large, 11.7-Amp power supply of the DTA-70.1
uses a massive toroidal power transformer with dual 22,000 µF
capacitors. This gives the system excellent short-term transient
power impact, with an FTC Dynamic Power specification of 180
Watts into 8 ohms, and 400 Watts into 3 ohms. The power
bandwidth is 5 Hz to 100 kHz, +/-3dB, and the IHF A-weighted
signal to noise ratio is an excellent 110 dB.
The amplifier's chassis has a thick, solid
aluminum front panel and employs heavy-duty construction
throughout for maximum rigidity and resistance to resonances.
All the circuit boards employ thick 70µm copper foil for high
current capability and low impedance, and the use of heavy
copper bus plates eliminates grounding issues.
There are gold-plated XLR and machined solid
brass RCA inputs for each channel. The color-coded speaker
outputs use gold-plated banana-plug-compatible transparent
binding posts. It has a 12-volt trigger input for remote turn on
and off capabilities, and an automatic power-down capability.
The Integra DTA-70.1 power amplifier is now
available with a suggested retail price of $1,800.
Integra designs and manufactures premium Home
Theater receivers, processors, amplifiers, and DVD players that
are specifically designed to meet the needs of custom
audio/video systems installers. Systems integration and
convergence technology protocols include RS-232, IR and on-board
Ethernet for network connectivity and TCP/IP control. Integra
has access to vast technical resources and bears a proud
heritage of over 60 years of audio engineering excellence.
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SPECIFICATIONS:
Integra DTA-70.1 Power Amplifier
Power Output: All
Channels: 150 W /Ch at 8 ohms, 20 Hz-20 kHz, 0.05%, 2 channels
driven
FTC Dynamic Power: 400 W (3 ohms, Front) 300 W (4 ohms, Front)
180 W (8 ohms, Front)
THD (Total Harmonic Distortion): 0.05% (Rated power)
Damping Factor: 60 (Front, 1 kHz, 8 ohms)
Input Sensitivity and Impedance: 1 V/47 kohms (Balanced) 2 V/22
kohms (Unbalanced)
Frequency Response: 5 Hz-100 kHz/+1 dB, -3 dB
Signal-to-Noise Ratio: 110 dB (Unbalanced, IHF-A)
Speaker Impedance: 4 ohms-16 ohms or 6 ohms-16 ohms
Power Supply: AC 120 V~, 60 Hz
Power Consumption: 11.7 Amps
Dimensions: (W x H x D):17 1/8´´ x 7 13/16´´ x 17 1/2´´
(435 x 198.5 x 445 mm)
Weight: 50.7 lbs. (23.0 kg)
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