McIntosh

MA 7900 2-Channel Integrated Amplifier

Amplificatore integrato a stato solido da 2 x 200W 2/4/8 ohm con trasformatori d'uscita e convertitore D/A, sezione preamplificatrice di nuova concezione derivata dal c-48, 6 ingressi linea (1 bilanciato) sezione ingresso phono mm e mc completamente separate a partire dall'ingresso sdoppiato, un ingresso USB, uno ottico e uno coassiale, accetta segnali digitali fino a 32 bit 192 khz, selettore registrazione indipendente, bypass per home theatre, separazione pre/finale + uscita pre, vu meter con retroilluminazione a fibre ottiche, controllo di tono a cinque bande assegnabile sui singoli ingressi o escludibile, power guard, uscita cuffia, telecomando multifunzionale, dimensioni 445 x 193 x 559, peso 34,1 kg.

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Electronic Specifications
Power Output per Channel200 Watts
Number of Channels2
Speaker Impedance2, 4, or 8 Ohms
Rated Power Band20Hz to 20kHz
Total Harmonic Distortion0.005%
Dynamic Headroom2dB
Frequency Response +0,-0.5dB20Hz to 20kHz
Frequency Response, +0, -3dB10Hz to 100kHz
Sensitivity Phono (Moving Coil)0.25mV
Sensitivity Phono (Moving Magnet)2.5mV
Sensitivity High Level (Balanced / Unbalanced)0.5V/0.25V
Sensitivity (Power Amp)1.4V
Signal To Noise Ratio (Moving Coil)82dB
Signal To Noise Ratio (Moving Magnet)84dB
Signal To Noise Ratio (High Level)95dB
Signal To Noise Ratio (Power Amp)113dB
Input Impedance (Balanced / Unbalanced)20K/20K
Damping Factor>40
Maximum Output (Balanced / Unbalanced)8V Unbalanced
Connectivity
Balanced Input1
Unbalanced Input6
Phono Input Moving Coil1 (adjustable loading)
Phono Input Moving Magnet1 (fixed loading)
Upgradeable Digital Audio ModuleNo
Digital Coaxial Input1
Digital Optical Input1
Digital MCT (DIN) Input0
Digital USB Input1
Balanced Variable Output0
Unbalanced Fixed Output0
Unbalanced Variable Output2
Headphone Output1/4" High Drive
AM/FM Tuner optionNo
Home Theater PassThruYes
Unbalanced Analog Connector TypeStandard
Speaker Binding Post TypeStandard
Service Port0
Digital Audio Specifications
Digital-to-Analog Converter (DAC) Type2-channel, 32-bit/192kHz PCM/DSD
Digital Coaxial Input Sample Rate16-bit, 24-bit/32kHz to 96kHz
Digital Optical Input Sample Rate16-bit, 24-bit/32kHz to 96kHz
Digital MCT (DIN) Input Sample RateN/A
Digital USB Input Sample Rate16-bit, 24-bit, 32-bit/32kHz to 192kHz
Control
Tone Controls5-Band
Tone Bypass and Input AssignYes
RS232 Control InputYes
Power Control Output1 Main, 2 Trigger
Rear Panel Data Port6
Rear Panel IR Sensor InputYes
Input Level MatchYes
General Specifications
Vacuum Tube or Solid StateSolid State
Output AutoformerYes
Output MetersYes
Dual Layer ChassisYes
Chassis FinishPolished stainless steel & black painted steel
McIntosh Monogrammed Heatsinks™No
Power Requirement120V 50/60Hz, 4.8A
Standby Power Requirement<0.25 Watts
Weights & Dimensions
Dimensions (W x H x D)17-1/2" (44.45cm) x 7-5/8" (19.37cm) x 22" (55.88cm)
Weight75 lbs (34.1 kg)
Shipping Weight93 lbs (42.3 kg)

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