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Limited Warranty
Audio Research Corporation products are
covered by a 3-Year Limited Warranty, or a
90-Day Limited Warranty (vacuum tubes).
This Limited Warranty initiates from the date
of purchase, and is limited to the original
purchaser, or in the case of demonstration
equipment, limited to the balance of
warranty remaining after original shipment
to the retailer or importer.
In the United States, the specific terms,
conditions and remedies for fulfillment of this
Limited Warranty are listed on the warranty
card accompanying the product in its
shipping carton, or may be obtained from
the authorized retailer or from the Audio
Research Customer Service
Department. Outside the United States, the
authorized importing retailer or distributor
has accepted the responsibility for warranty
of Audio Research products sold by them.
The
specific
terms
fulfillment of the Limited Warranty may vary
from country to country.
Warranty
service
should
obtained from the importing retailer or
distributor from whom the product was
purchased.
In the unlikely event that technical service
beyond the ability of the importer is
required, Audio Research will fulfill the terms
and conditions of the Limited Warranty.
Such product must be returned at the
purchaser's expense to the Audio Research
factory, along with a photocopy of the
dated purchase receipt for the product, a
written
description
encountered,
and
necessary for return shipment. The cost of
return shipment is the responsibility of the
purchaser.
8
and
remedies
for
normally
be
of
the
problem(s)
any
information
3900 Annapolis Lane North
Plymouth, MN 55447
763.577.9700
www.audioresearch.com
Specifications
POWER OUTPUT: 450 watts into 8 ohms (550 watts
per channel into 4 ohms), both channels
driven, 1% THD. (700 watts into 4 ohms, one
channel driven)
POWER BANDWIDTH: (-3dB Points) 5Hz to 45 kHz
into 8 ohms.
FREQUENCY RESPONSE: (-3dB points at 1W) 5Hz to
45 kHz
INPUT SENSITIVITY: 2.9V RMS for rated output
(26dB Gain) single-ended or balanced.
INPUT IMPEDANCE: 150K ohms single-ended, 300K
ohms balanced differential.
OUPUT POLARITY: Non-inverting from single-ended
inputs. Balanced pin 2+ (IEC-268).
OUTPUT REGULATION: 0.02dB 8 ohm load to open
circuit (Damping factor 440).
OUTPUT CURRENT: 35 amps peak at protective
shutdown.
SLEW RATE: 5 volts/microsecond. (20% maximum
duty cycle).
RISE TIME: 8.0 microseconds.
HUM & NOISE: 300 microvolts RMS (105dB below
rated output IHF A-weighted).
POWER SUPPLY CAPACITANCE: 217,000 uF total.
POWER REQUIREMENTS: 100-125VAC 60Hz (200-
250VAC 50Hz) 950 watts at rated output
(400WPC 8 ohms), 1300 watts at 550WPC 4
ohms, 1300 watts maximum, 55 watts idle.
DIMENSIONS: 19" (48 cm) W (standard rack
panel) x 7" (17.8 cm) H x 18.4" (46.7 cm) D (front
panel back). Handles extend 1.5" (3.8 cm)
forward of the
/
" thick front panel. Output
3
8
connectors extend 1.5" (3.8 cm) behind rear
panel.
WEIGHT: 55.8 lbs. (25.4 kg) Net; 71 lbs. (32.3 kg)
Shipping.
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