Technics SU-40 A

Data

General

• Manufacturer: National Panasonic Technics
• Model: SU-40 A
• Type: Tube power amplifier
• Year of manufacture: 1968 - 1972
• Made in: Japan
• Color: Silver
• Power consumption:
• Dimensions: 360 x 150 x 330 mm (WxHxD).
• Weight: 14.8 kg
• Original price approx.: 69'500 Yen (Japan, 1970), 1'000 DM

Connections

• Number of inputs:
  • Line In: 160 mV, 100 kOhm
• Number of outputs:
  • 1 loudspeaker pair

Technical Data

• Continuous power (at distortion factor)
  • 16 Ohm: 2 x 25 W
  • 8 Ohm: 2 x 24 W

4 Ohm: 2 x 22 W

• Dynamic power
  • 16 Ohm: 60 W
  • 8 Ohm: 56 W
  • 4 Ohm: 52 W
• Total harmonic distortion: < 0.15%
• Attenuation factor: adjustable
• Frequency response: 4 - 50'000Hz
• Signal to noise ratio: 103 dB
• Low Filter (Subsonic): - 6 dB at 15 Hz

Comments

• Other models in the same series:
• Preamplifier:
• Technics SU-30 A

• Power amplifier:
• Technics SU-40 A

• Integrated amplifier:
• Technics SU-50 A
• Technics SA-73

• Receivers:
• Technics SA-40
• Technics SA-50
• Technics SA-52
• Technics SA-53
• Technics SA-54
• Technics SA-60
• Technics SA-65
• Technics SA-70
• Technics SA-420
• Technics SA-4000

• Tape Machines
• Technics RS-730 U
• Technics RS-732 U
• Technics RS-735 US
• Technics RS-768 US
• Technics RS-796 US

• Turntables:
• Technics SL-30
• Technics SL-31
• Technics SL-40
• Technics SL-41
• Technics SL-1000
• Technics SL-1100

• [[Speakers:
• Technics SB-22
• Technics SB-33
• Technics SB-66
• Technics SB-77
• Technics SB-88
• Technics SB-88 G

Pictures

• Image: National Panasonic SU-40 A

• Excerpt from Japan brochure: National Panasonic SU-20 A, SU-30 A, SU-40 A, SU-50 A.