Technics Su V303 Stereo Intergrated Amplifier
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Technics Su V303 Stereo Intergrated Amplifier
Technics SU-V303 stereo integrated amplifier 1983 model with vertical selector knobs Rated at 40W RMS New class A amplifier circuit This amplifier has been sitting in a box for about 10 years waiting for a new home I have had it powered up and it is in great condition, scoll down to see pictures. It was used with a Rega planar 3 turntable with Mission speakers and it did a great job. Happy to answer any questions 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 : -:®:- 1983 model silver colour New Class A amplifier circuit -:®:- Power rating : 40W RMS at 8 ohms -:®:- Frequency response : 20Hz - 20kHz at rated power -:®:- Total Harmonic distortion THD : < 0.005% -:®:- Phono signal / noise [A-weighted, at 5mV] : 82dB sensitivity 2.5mV -:®:- Maximum phono input : 170mV -:®:- High level sensitivity : 0.15V -:®:- Dimensions [ W x H x D ]: 430 x 125 x 374mm Weight : 6.7kg Click the iamges below to enlarge. Technics Su V303 Stereo Intergrated Amplifier
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