Audio Research D125

 

SOLD $3,500.00

JUL 2009

 

Dr Hi-Fi's Review

  • NEW SVETLANA VACUUM TUBES

  • Silver Face Plate

  • Mint Condition

  • 1988 - R.R.P. US$4,450.00

  • 110W RMS/CH

  • Made In U.S.A.

  • Fan Cooling

  • 8 x 6550C Vacuum Tubes

  • Worldwide Shipping

Features include: Servo for auto balance of plate currents between output tube push & pull pairs; Front panel LED indicators and adjustment controls for left and right channel output tube plate current; Low current LED indicator for each output tube viewable through cover; "Tube Saver" circuit to protect output tubes from abnormal conditions or input overloads (eg. DC); Twin subsonic cooling fans for temperature control and increased life of output tubes.

 

 

 

 

 

 

 

 

 

 

 

Specifications
 

Power output

110 Watts per channel

Power bandwidth

10 Hz to 80 KHz (-3 dB points)

Frequency response

 

Input sensitivity

0.7 Volts for rated output

Input impedance

100K ohms

Output taps

4, 8 and 16 ohms

Output regulation

Approximately 0.4 dB 16 ohm load to open circuit

Overall negative feedback

21 dB

Damping factor

20

Distortion

Less than 0.4% total harmonic distortion at 110 watts (typically below .005% at 1 watt)

Slew rate

20 Volts/µs

Rise time

3 µs

Hum & noise

90 dB below rated output

Power supply energy storage

280 joules

Power requirements

 

Tube complement

(4 matched pairs) 6550

Other

 

Dimensions

19" W x 8 3/4" H x 16.5" D

Weight

84 lbs. Net, 95 lbs. Shipping