NRPavs   SOLD items 2009 archive 2  Technics SU-V7 stereo integrated amplifier details
SOLD items 2009 archive 2 product details : 
Technics   SU-V7
stereo  amplifier
2nd unit  - silver

Technics  SU-V7  stereo  amplifier
Technics SU-V7  stereo amplifier :  right profile
Technics  SU-V7  :  left profile
Technics  SU-V7 stereo amplifier  :  back RCA phono inputs
Technics  SU-V7  stereo amplifier  :  top view
Technics  SU-V7 stereo amplifier  :  size scale
   SOLD  December 2009 on trademe  to Auckland
S/N: QA1717B001
 
 
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 Technics  SU-V7  stereo integrated amplifier - 2nd unit - silver                   
Early 80s model with vertical selector knobs, front panel selectable moving coil & moving magnet phono stages
Rated at 80W RMS    New class A amplifier circuit


New Class A : refers to the amplifier type :

Class A amplifiers have their transistors always turned on during each half cycle of the music waveform. It means they are power hungry and require a big heavy power transformer and large smoothing capacitors. The upside is no crossover distortion and a high quality sound

Class AB amplifiers are the standard - they switch off one half of the transistors when not needed and then turn them on again as the music waveform requires. This is efficient, so that you get a lot of power for low cost, but the downside is more distortion as the transistors turn on / off and on again

New Class A is the Technics amplifier circuit design where transistors are left on a small amount always - still cheap to make but with much less crossover distortion and a lot of power for less weight and expense

This is why you see
New Class A amps still going strong after 25 or 30 years - owners get a good quality sound and ample power - and so you don't have to turn the volume up too much to attain average listening levels. They punch above their weight and last and last

Features :
  -:®:-   1981, 1982 model silver colour
  -:®:-   Power rating : 80W RMS at 8 ohms
  -:®:-   Frequency response : 20Hz - 20kHz at rated power
  -:®:-   Total Harmonic distortion THD : < 0.003%
  -:®:-   Phono signal / noise [A-weighted, at 5mV] : 77dB    sensitivity 0.25mV
  -:®:-   Maximum phono input : 150mV
  -:®:-   High level sensitivity : 0.15V
  -:®:-   Dimensions [ W x H x D ]: 430 x 125 x 374mm    Weight : 13.2kg


   SOLD  December 2009 on trademe  to Auckland












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