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Marchand Electronics MB201 Manual

200 watt mosfet power amplifier

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MB201 200 Watt MOSFET Power Amplifier
The MB201 is a stereo MOSFET power amplifier for high quality audio reproduction. The construction is
all heavy-duty. The amplifier is housed in an aluminum chassis. Heatsinks on the side of the unit provide
the cooling. Inside is a toroidal power transformer and power supply with large storage capacitors. The
amplifier is designed for use with a 4 or 8 Ohm load, but it is stable with any output load.
The MB201 is also available in a mono configuration.
XLR Balanced inputs
RCA
Selector switch
Phase switch
Binding Posts
Circuit breaker
Thermal cutout
Power entry connector
© 2000 Marchand Electronics Inc. PO Box 473, Webster, NY, 14580 www.marchandelec.com (716) 872 0980 FAX: (716) 872 1960
Marchand Electronics Inc
PO Box 473, Webster, NY 14580
Tel:(716) 872-0980 Fax:(716) 872-1960
info@marchandelec.com http://www.marchandelec.com
(c)1997,2000 Marchand Electronics Inc.
200W + 200W into 4 Ohm
125W + 125W into 8 Ohm
Features
Balanced inputs for high noise immunity
Standard line level inputs
Switch between balanced and standard inputs
Inverts the phase
Connection for the loudspeakers
Protects the amplifier in case of overload
Protects the amplifier in case it gets too hot
Standard line cord for 120V AC 1-phase operation.
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Summary of Contents for Marchand Electronics MB201

  • Page 1 Thermal cutout Protects the amplifier in case it gets too hot Power entry connector Standard line cord for 120V AC 1-phase operation. © 2000 Marchand Electronics Inc. PO Box 473, Webster, NY, 14580 www.marchandelec.com (716) 872 0980 FAX: (716) 872 1960...
  • Page 2: Specifications

    Right Electronic Crossover MB201Power Amplifier XM6, XM9, XM16 or XM26 Figure 2 Sound System with Electronic Crossover Network © 2000 Marchand Electronics Inc. PO Box 473, Webster, NY, 14580 www.marchandelec.com (716) 872 0980 FAX: (716) 872 1960...
  • Page 3 Figure 4 Rear view of the amplifier. © 2000 Marchand Electronics Inc. PO Box 473, Webster, NY, 14580 www.marchandelec.com (716) 872 0980 FAX: (716) 872 1960...
  • Page 4 Figure 5 Inside view of the rear panel. © 2000 Marchand Electronics Inc. PO Box 473, Webster, NY, 14580 www.marchandelec.com (716) 872 0980 FAX: (716) 872 1960...
  • Page 5 PM124 power 6/32 nuts that hold the rear panel. amplifier boards and the PS11 power supply board. © 2000 Marchand Electronics Inc. PO Box 473, Webster, NY, 14580 www.marchandelec.com (716) 872 0980 FAX: (716) 872 1960...
  • Page 6 GROUND connections (terminal marked Bolt Metal Plate Rubber washer Transformer Rubber washer Chassis bottom Figure 6 : Mounting of power transformer © 2000 Marchand Electronics Inc. PO Box 473, Webster, NY, 14580 www.marchandelec.com (716) 872 0980 FAX: (716) 872 1960...
  • Page 7 Gray black orange MB201 Power Amplifier Use heavy gauge wire for all these connections Power wiring (c) 1999 Marchand Electronics Inc. © 2000 Marchand Electronics Inc. PO Box 473, Webster, NY, 14580 www.marchandelec.com (716) 872 0980 FAX: (716) 872 1960...
  • Page 8 Right Channel MB201 Power Amplifier Signal Wiring Use heavy gauge wire for the speaker wires only (c) 1999 Marchand Electronics Inc. © 2000 Marchand Electronics Inc. PO Box 473, Webster, NY, 14580 www.marchandelec.com (716) 872 0980 FAX: (716) 872 1960...
  • Page 9 XLR Y-cable for bridging of MB201 (c) 1999 Marchand Electronics Inc. Figure 7 : Y cable is used for bridging of amplifier. © 2000 Marchand Electronics Inc. PO Box 473, Webster, NY, 14580 www.marchandelec.com (716) 872 0980 FAX: (716) 872 1960...