Schede e recensioni

Amc MD DD

Pre audio video
 

 

 

  Di cosa si tratta

  Preamplificatore Audio Video


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  Produttore

  AMC

  Caratteristiche

  Decoder Dolpy Digital integrato

  Costo

  1299 dollari circa

 

 

Caratteristiche

 

Input Impedance

R=47K ohm, C=l00 pF

THD 20 Hz-20 KHz and SMPTE IMD

<0.01% at 3Vrms

Inputs Sensitivity for 1V output

150mV

Input Overload

3.5Vrms

Signal to Noise Ratio (Gain=1)

95dB "A" wtd ref. 1V

Frequency Response

20 Hz to 20 KHz +/- 0.5 dB

Output Impedance

75 ohm

Maximum output level

12 Vrms

Subwoofer cross-over frequency

80Hz

Tone control


 

100Hz

9+/-0.5dB


 

10KHz

8.5+/-0.5dB

 

Descrizione

 

Un pre con decodifica pro logic molto interessante , con regolazioni sul retro per ogni canale e sopratutto l'entrata a 5 canali , per lettori che hanno gia' la codifica e  ci serve solo una regolazione di volume.

Dal web

  • The AMC model MD-DD is designed to meet professional quality standards for Dolby Pro-Logic, Dolby Digital decoding and video switching between the internal decoded outputs and external decoded inputs.

  • Dolby Pro-Log and Dolby Digital decoding are accomplished by the Zoran ZR38500 Digital Signal Processor with AMC in house special designed softwares and hardwares. This is accliamied worldwide as having the finest sonic quality of any currently available device for decoding Dolby Pro-Logic and Dolby Digital motion picture sound tracks.

  • With the microphone supplied, a simple calibration procedure can be made that sets the balance of all six channels to an accuracy of less than +/-1dB.

  • Two Digital Inputs, one Stereo Audio Analog Inputs and six decoded audio inputs.

  • Six Audio Outputs.

  • Six Output Level pre-set controls precisely set the blance of each of the six output channels.

  • Switchable sub-woofer crossover filter.

  • Center channel mode control that provides Normal, Phantom and Wide Band center channel operation.

  • Center channel Time Alignment control that rpovides 0,1,2,3,4 and 5 ms delay of the cetner channel signal relative to left and Right Channels.

  • Operating modes includes:
    Stereo, Dolby Pro-Logic, PCM, Dolby Digital and Dynamic Range Compression

  • Remote Operation of Volume, Source Selection, Modes, Noise Sequence and Power ON/OFF.

  • Control of surround channel delays of 15, 20, 25, and 30 ms for Dolby Pro-Logic mode and 0, 5, 10, and 15 ms for Dolby Digital mode.

  • Built-in calibration meter.

  • LED's inside window indicates channels giving outputs and which input selected (Stereo Audio Analog inputs or external decoded inputs or internal decoded outputs.)

  • Phones input jack on the front panel for headphone applications.

 

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