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Sansui BA-3000

SANSUI DEFINITION SERIES. High End Power Amplifier BA-3000.

FEATURES: Load Impedance 4, 8, 16 Ω (Stereo Operation); 8, 16 Ω (Mono, BTL Operation).
Intermodulation Distortion <0.05% (70 Hz: 7,000 Hz=4:1 SMPTE).
Channel Separation >60 dB. Subsonic Filter -3 dB at 15 Hz (12dB/oct).
Power Voltage: 100, 120, 220, 240 V, 50/60 Hz; 120 V (usable 110-130V) for USA/CA.

Specifications: Sansui HiFi Program 1976-1977/ Operation Instructions.
Fotos: 290676308796 (1,2,5,6); Sansui Vintage (3); Sansui Hifi Program (4).

Sansui BA-3000
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Sansui BA-3000
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Sansui BA-3000
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Sansui BA-3000
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Sansui BA-3000
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Sansui BA-3000
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1. General
System: Transistor Power Amplifier
Colour: 1=Silver, 2=Black: 2 / Burgundy
Power consumption: 350 (rated); 1,100 (max) W @ 120/240 V
Power Amplifier
Speaker Outputs: 2 x 2 Speakers; Phones
Continuous Power 4Ω: 170 + 170 (Stereo); Watts
Continuous power 8Ω: 170 + 170 (20-20,000 Hz); 180 + 180 (1 kHz); 340 (Mono) Watts
Continuous Power 16Ω: 85 + 85 Watts
Frequency Response: 5-100,000 HZ
Input Sensitivity: 700 mV
Input Impedance: 50 kΩ
Signal to Noise Ratio: >100 (IHF) db A, short circuited
Damping factor: 100 (8Ω)
Harmonic Distortion: 0.03 % at rated output
2. Physical
Dimensions in Inches: 18-1/8" x 7-1/8" x 15-3/4" (w) x (h) x (d)
Dimensions in mm: 460 x 178 x 400 (w) x (h) x (d)
Weight in lbs: 49.8 lbs
Weight in Kg: 22.6 Kg


Michael McCarty - 07/21/2016  5 of 5 Stars!
The BA-3000 is truly a Monster Amplifier. It has all of the power anyone could possibly need. When I purchased mine it had been in storage for many years and needed some attention. It kept destroying the original style Power Transistors (2SD424 and 2SB554) so I upgraded them to the MJ21193G and the MJ21194G. Since upgrading them to these more modern Power Trasistors and taking the necessary time to adjust the bias and balancing the speaker outputs I have had absolutely no more problems with this amplifier blowing the Power Transistors. I decided to totally rebuild it so I spent over a year rounding up all the transistors, resistors, capacitors, etc to replace all of the old parts. I also upgraded most of the parts on the driver boards. Really I found that the most important thing to do to keep from blowing the Power Transistors is to set the Bias and balance the speakers. The sound of the BA-3000 Amplifier when connected to its matching CA-3000 Preamplifier is simply amazing. After getting this amplifier rebuilt and getting the problem with the Power Transistors fixed I sold my very expensive McIntosh amplifier and preamlifier because I felt the Sansui was at least a better sounding amplifier if not a better sounding amplifier.

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Sansui BA-3000
The BA-3000 is truly a Monster Amplifier. It has all of the ..
5 of 5 Stars!

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