Located in Sales Tax Free Delaware
$23,000.00
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Electronic Specifications
POWER OUTPUT
70 watts continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 1% at 140 watts (33 watts in Triode mode) per channel, below 0.04% at 1 watt (Note that actual power output is dependent upon both line voltage and “condition” i.e.: if power line has high distortion, maximum power will be affected adversely, although from a listening standpoint this is not critical)
POWER BANDWIDTH
(-3dB points) 7Hz to 68kHz
FREQUENCY RESPONSE
(-3dB points at 1 watt) 0.7Hz to 94kHz
INPUT SENSITIVITY
1.4V RMS Balanced for rated output. (25.5 dB gain into 8 ohms);
0.7V RMS SE for rated output.
INPUT IMPEDANCE
300K ohms Balanced, 75K ohms Single Ended
OUTPUT POLARITY
Non-inverting. Balanced input pin 2+ (IEC-268)
OUTPUT TAPS
16 ohms, 8 ohms, 4 ohms
OUTPUT REGULATION
Approximately 1.0dB 16 Ohm Load to Open Circuit
(Damping factor approximately 8)
OVERALL NEGATIVE FEEDBACK
15dB
SLEW RATE
10 volts/microsecond
RISE TIME
4.0 microseconds
POWER REQUIREMENTS
105-130VAC 60Hz (210-250VAC 50Hz) 420 watts at rated output,
280 watts in Triode mode, 221 watts at “idle”, 3.6 watts off Units for Japan: 100VAC 50/60Hz
TUBES REQUIRED
2 matched pair KT150 (Power output V1-V4); 2 6H30 (Gain stage V5, V6)
DIMENSIONS
Width 18.5” (47 cm) chassis; 19.0” (48.26 cm) faceplate.
Height 10.5” (26 cm)
Depth 18.5” (47 cm)
With handles & connectors: 21” (53.3 cm)
WEIGHT
62 lbs. (28.2 kg) Net; 73 lbs. (32.7 kg) Shipping.
High definition is the primary goal of all Audio Research products. Ever since founder William Z. Johnson revamped the vacuum-tube design over forty years ago, the company has been at the forefront of audio innovation. Vacuum tube electronics under their watch set the standard for high-end audio and home theater surround sound. Each product is made in its Maple, Grove, Minnesota headquarters with the help of over 50 technical, assembly and support staff.
Experience exceptional audio quality with their line of amplifiers, integrated amplifiers, preamplifiers and sources (both digital and analog). All electronics feature vacuum-tube designs as opposed to the low-cost solid-state devices sold by many audio manufacturers. The result is unprecedented audio accuracy to please even the most demanding audiophiles.
The Reference 6SE line-source preamplifier perfectly showcases the company's commitment to quality. The latest chapter in the Reference Series brings the ultimate clarity without distortion or feedback. It features 6H30 tubes in the gain stage, a highly-regulated power supply, and an additional 6550 tube providing vacuum-tube regulation.
You are always in good hands with Audio Research's customer care team. They will repair and restore most products dating back over their 40-year history. In fact, their models are so reliable that they have gained collector status in the audiophile world and have superb resale value.
As a nationally recognized leader in the field of high-end audio and home theater, Overture is a proud dealer of Audio Research components, selling customers the best vacuum tube electronics from Audio Research in Sales Tax Free Delaware. Interested in purchasing a new Audio Research component? You can trade-in any component towards an Audio Research component by filling out Overture's Trade-In Form.
