Amplificator Marantz PM 7001

Amplificator Marantz PM 7001 : 7 intrari, 4 iesiri, impedanta 4-16 ohmi, culoare argintie, mufe aurite, reglaje bass, treble, balance, source direct, senzor pentru telecomanda, radiator mare, muting, traf toroidal.Poze reale.

Specifications Marantz PM7001 amplifier:
- Phono, CD, Tuner, AUX / DVD, Recorder 1 (In / Out), Recorder 2 (In / Out), Pre Out, Main in, Speaker A + B, Tone Control
- Power output: 70 watts per channel into 8 (stereo)
- Frequency response: 5Hz to 100kHz
- Total harmonic distortion: 0.02%
- Damping factor: 100
- Input sensitivity: 2.5mV (MM), 200mV (line)
- Signal to noise ratio: 85dB (MM), 88dB (line)
- Dimensions (W x H x D): 440 x 126.5 x 364 mm
- Weight: 10.5 kg

The Marantz PM7001 KI Integrated Amplifier delivers a stunningly high level of performance

Anyone who has heard a standard Marantz PM7001 might well wonder what there is to improve, because it’s a great amplifier in its own right, but Ishiwata obviously did, and the PM7001 KI is the result. One of the changes he made was to the current feedback circuitry. Both the PM7001 and PM7001 KI use current feedback rather than voltage feedback, partly because it makes the output stages work at their optimum irrespective of speaker loading. In the KI version, however, Ishiwata instructed that the current feedback be wound back to its minimum level in order to increase the bandwidth, and make the circuit ‘faster.’ Doing this meant upgrading the power supply, so this was done also, with higher-specced and higher-value smoothing capacitors (Marantz-branded 1800μF 63V Nichicons), and by substituting a Bando toroidal transformer for the standard one.

The audible result? ‘Much more dynamic, accurate and detailed sound,’ says Ishiwata.