Marantz - SR-4320 Receptor estéreo de estado sólido
N.º 84315067
Marantz - Amplificador de potencia modelo 140, preamplificador modelo 3200 - Equipo de sonido estéreo
N.º 84315067
Marantz - Amplificador de potencia modelo 140, preamplificador modelo 3200 - Equipo de sonido estéreo
Famous Marantz Model 140 Power Amplifier with its Model 3200 Pre-amplifier, in perfect working and cosmetic conditions.
A very good design without compromise from the Marantz U.S. engineering team. Perfectly manufactured in the Japan factory in 1976.
The amp is power rated at 2x75W at 0.2% THD in 8-ohm loads, but in practice the measurements show 2x110W at 0.1% THD, quite a good margin of power!
Fully serviced and measured at the ACDC Lab:
- New capacitors (recap) when required.
- New light bulbs (long life LED-based).
- Full cleaning of potentiometers and rotary switches.
- All alignements have been performed (DC balance, Bias, Vu-Meters)
- All signal paths fully checked and measured.
The measured audio performances are better than the manufacturer specifications, especially: max power output, harmonic distorsion at high power (quite excellent) , bandwith flatness (very goog), signal noise ratio (excellent) . please see the pictures with lab measurements screen snapshots.
With owner manuals, service manuals and cables as shown in the pictures.
The devices can be seen/listen in the area of Namur and Liege (Belgium). Free shipping is possible in theses areas.
Model 140 Power Amp : H 12cm x W 36cm x D 26cm. 11 Kg.
Model 3200 Pre Amp : H 12cm x W 36cm x D 28cm. 5.5 Kg.
Model 140 SPECS:
Power output: 75 watts per channel into 8Ω (stereo)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.2%
Damping factor: 30
Input sensitivity: 1.5V
Signal to noise ratio: 98dB
Speaker load impedance: 8Ω (minimum)
Dimensions: 119 x 353 x 269mm
Weight: 11kg
Model 3200 SPECS:
Frequency response: 20Hz to 70kHz
Total harmonic distortion: 0.1%
Input sensitivity: 1.5mV (MM), 150mV (line)
Output: 1.5V (Pre out)
Dimensions: 360 x 120 x 280mm
Weight: 5.25kg
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