McIntosh MC300 300 Watt Stereo Solid State Power Amplifier User Manual

McIntosh MC300 300 Watt Stereo Solid State Power Amplifier

Product Information

Specifications

• Manufacturer: [Manufacturer Name]
• Model: [Product Model]
• Color: [Product Color]
• Dimensions: [Product Dimensions]
• Weight: [Product Weight]

Description
The [Product Name] is a versatile and user-friendly device designed to [product’s purpose or main features]. It offers a wide range of functionalities and can be used for various purposes.

Key Features

• [Key Feature 1]
• [Key Feature 2]
• [Key Feature 3]
• [Key Feature 4]

Included Accessories

• [Accessory 1]
• [Accessory 2]
• [Accessory 3]

Product Usage Instructions

Step 1: Unpacking and Setup
When you receive your [Product Name], carefully unpack the box and ensure that all the included accessories are present. Follow the instructions in the user manual for the initial setup process,including connecting any necessary cables and powering on the device.

Step 2: Basic Operation
To turn on the [Product Name], press the power button located on the front panel. The device will boot up and display the main menu on the screen. Use the navigation buttons or touch screen (if applicable) to navigate through the menu options.

Step 3: Advanced Features
The [Product Name] offers several advanced features to enhance your experience. Some of these features include:

• [Advanced Feature 1]
• [Advanced Feature 2]
• [Advanced Feature 3]

Refer to the user manual for detailed instructions on how to access and utilize these advanced features.

Step 4: Maintenance and Care
To ensure optimal performance and longevity of your [Product Name], it is important to follow these maintenance and care guidelines:

• Regularly clean the device using a soft, lint-free cloth toremove dust and fingerprints.
• Avoid exposing the device to extreme temperatures ormoisture.
• Keep the device away from direct sunlight and strong magneticfields.
• Do not attempt to disassemble or repair the device yourself;contact [Manufacturer Name] for any technical issues orrepairs.

FAQ (Frequently Asked Questions)

Here are some common questions about the [Product Name]:

Q: How do I update the firmware of the [Product Name]?
A: To update the firmware, connect the device to a computer using the provided USB cable and follow the instructions in the user manual or visit our website for the latest firmware updates.

Q: Can I use the [Product Name] with other devices?
A: Yes, the [Product Name] is compatible with a wide range of devices such as smartphones, tablets, and computers. Refer to the user manual for instructions on how to connect and use it with different devices.

Q: How long is the warranty for the [Product Name]?
A: The warranty for the [Product Name] is [Warranty Period].
Please refer to the warranty card or contact our customer support for more information.

Performance Specifications

STEREO POWER OUTPUT

• 300 watts into 8, 4, or 2 ohm loads is the minimum sinewave continuous average power output per channel from 20Hz to 20,000Hz with both channels operating. The output RMS voltage is:
• 49.0 across 8 ohms
• 34.6 across 4 ohms
• 24.5 across 2 ohms

MONO-BRIDGE POWER

• OUTPUT
  • 600 watts into a 16, 8, or 4 ohm load is the minimum sinewave continuous average power output from 20Hz to 20,000Hz. The output
  • RMS voltage is:
  • 98.0 across 16 ohms
  • 69.3 across 8 ohms
  • 49.0 across 4 ohms

MONO-PARALLEL POWER

• OUTPUT
  • 600 watts into a 4, 2 or 1 ohm load is the minimum sinewave continuous average power output from 20Hz to 20,000Hz. The output
  • RMS voltage is:
  • 49.0 across 4 ohms
  • 34.6 across 2 ohms
  • 24.5 across 1 ohm

OUTPUT LOAD IMPEDANCE

• STEREO
  • 8, 4 or 2 ohms by connecting to the proper output terminals.
• MONO
  • 16, 8, 4, 2 or 1 ohms by connecting to proper output terminals.

TOTAL HARMONIC DISTORTION

• STEREO
  • 0.005% minimum harmonic distortion at any power level from 250 milliwatts to rated power per channel from 20Hz to 20,000Hz, both channels operating.
• MONO
• 0.005% maximum harmonic distortion at any power level from 250 milliwatts to rated power from 20Hz to 20,000Hz.

INTERMODULATION DISTORTION

• STEREO
  • 0.005% maximum if instantaneous peak power output does not exceed twice the output rating per channel, with both channels operating, for any combination of frequencies from 20Hz to 20,000Hz.
• MONO
  • 0.005% maximum if instantaneous peak power output does not exceed twice the output rating for any combination of frequencies from 20Hz to 20,000Hz.
• FREQUENCY RESPONSE (at one watt output)
  • + 0, -0.25dB from 20Hz to 20kHz
  • + 0, -3.0dB from 10Hz to 100kHz
• HUM AND NOISE (A-weighted)
  • 105dB below rated output
• IHF DYNAMIC HEADROOM
  • 1.9dB
• DAMPING FACTOR
• Greater than 40
• INPUT IMPEDANCE
  • 20,000 ohms Unbalanced
  • 40,000 ohms Balanced
• INPUT SENSITIVITY
  • 1.4 with LEVEL Controls at maximum;
  • 2.5V sensitivity marked.
• POWER REQUIREMENTS
  • 120VAC, 50/60Hz, 3.3 Amperes UL/CSA
  • 230VAC, 50/60Hz, 1.8 Amperes

MECHANICAL INFORMATION

• Size: 17-1/2 inches wide (44.5cm) by 7-1/16 inches high (17.9cm). Depth is 19-3/4 inches (50.17cm) including connectors. Knob clearance required in front of the mounting panel is 1-1/8 inches (2.9cm).
• Finish: The front panel is a combination of glass and black anodized aluminum. The chassis is black.
• Weight: 79 pounds (35.8 kg) net, 97 pounds (44 kg) in shipping carton.

REAR PENAL

NOTE

1. The heavy lines on the schematics denote the primary signal path.

2. Unless otherwise noted, all voltages indicated on the schematics are measured under the following conditions:
   a. AC input at 120 volts, 50/60Hz.
   b. All voltages are $ 10% with respect to ground. A high impedance (10 megohm) voltmeter must be used.

3. Unless otherwise specified:

   • Resistor values are in ohms.
   • Capacitor values are in microfarads (uF).
   • Inductor values are in microhenries (uH).

4. The voltages enclosed in a box are signal voltages that are measured with a 1.4V, 1kHz signal connected to both channels at the input jacks.
   Front panel controls are set at:

   • POWER ……………… ON
   • METER…………………WATTS

5. On PC Board Drawings, Square Pad Indicates:

   • Polarized Capacitors – Positive
   • Diode – Cathode
   • Others – Pin 1

6. WARNING:
   Parts marked with the symbol have critical characteristics.
   Use ONLY replacement parts recommended by the manufacturer.

Section Locations

Block Diagram

Interconnection Diagram

INTERCONNECTION PARTS LIST

Input

Left Front Panel Illumination

Right Front Panel Illumination

Left Meter Illumination

Right Meter Illumination

Power Guard Illumination

COMPONENTS MARKED WITH AN ASTERISK (* ARE ON REVERSE SIDE OF BOARD

Meter/Regulator

Amplifier

POWER DRIVER PARTS LIST

CAPACITOR PARTS LIST

Relay

RELAY PARTS LIST

Repacking Instructions

In the event it is necessary to repack the unit for shipment, the unit must be packed exactly as shown below.

IMPORTANT – The four plastic feet must be attached to the bottom of the unit so they will locate in the four holes of the bottom pad. Two #10 x 2-1/4″ screws and washers must be used to fasten the unit securely to the bottom pad and wood skid. Failure to do this will result in shipping damage.
If a shipping carton or any of the interior parts is needed, please call or write the Customer Service Department of Mcintosh Laboratory. Order parts from the accompanying list by part number.

Use the original shipping carton and interior parts only if they are in good serviceable condition.

The aust one constant upgrading prodis is propula of Mily as Lampranor, the Comed, yo nest ine the, in do is po ve deni, e hour not the within schematic material, which is intended for information only.
Mcintosh Laboratory. Inc. 2 Chambers Street. Binahamton. NY 13903

References

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