MC2301 - Audio Receiver MCINTOSH - Free user manual and instructions
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| Product Type | Vacuum Tube Stereo Power Amplifier |
| Brand | McIntosh |
| Model | MC2301 |
| Power Output | 300 Watts per channel into 2, 4, or 8 ohms |
| Frequency Response | 20Hz to 20kHz (+0, -0.25dB) |
| Total Harmonic Distortion | ≤0.5% at rated output |
| Signal-to-Noise Ratio | >120dB |
| Input Sensitivity | 2.5V RMS for rated output |
| Input Impedance | 20k ohms (balanced), 10k ohms (unbalanced) |
| Amplifier Type | Push-pull with 12AT7 and 12AX12A driver tubes, 6LQ6/6L6GC output tubes |
| Tube Complement | 4 x 12AT7, 2 x 12AX12A, 8 x 6LQ6/6L6GC |
| Heat Dissipation | Passive cooling via large heat sinks and vents |
| Dimensions (W x H x D) | 17.5" (44.5 cm) x 9.5" (24.1 cm) x 20" (50.8 cm) |
| Weight | 100 lbs (45.4 kg) |
| Power Consumption | 800W typical, 2000W maximum |
| Standby Power | <0.5W |
| Power Supply | AC 120V 60Hz (USA), 230V 50Hz (export models) |
| Connections | Balanced XLR and unbalanced RCA inputs; binding post speaker outputs |
| Speaker Outputs | 2 pairs (left and right) for 2, 4, or 8 ohms |
| Front Panel | Polished stainless steel with black glass, blue watt meters |
| Chassis | Brushed stainless steel and glass |
| Safety Certifications | UL, CSA, CE |
| Cleaning Instructions | Unplug unit; wipe with a soft, dry cloth; do not use liquids or abrasives |
| Repairability & Spare Parts | Tubes and filters available from McIntosh; contact authorized service |
Frequently Asked Questions - MC2301 MCINTOSH
What type of tubes does the McIntosh MC2301 use?
The MC2301 uses 4 x 12AT7 and 2 x 12AX12A driver tubes, along with 8 x 6LQ6/6L6GC output tubes.
How much power does the MC2301 deliver?
It delivers 300 watts per channel into 2, 4, or 8 ohm loads.
Can I use the MC2301 with a home theater preamp?
Yes, the MC2301 can be integrated into a home theater system using its balanced XLR or unbalanced RCA inputs, provided the preamp has a suitable output.
How do I clean the MC2301?
Always unplug the unit before cleaning. Use a soft, dry cloth to wipe the chassis. Do not use liquids, sprays, or abrasive cleaners.
What is the recommended warm-up time?
Allow at least 10-15 minutes for the tubes to stabilize after powering on for optimal sound quality.
Does the MC2301 have a protection circuit?
Yes, it includes short circuit protection, thermal protection, and a delayed turn-on circuit to protect tubes.
What is the bias adjustment procedure?
The MC2301 uses automatic bias control, so manual adjustment is not required. However, tube replacement should be done by a qualified technician.
Can I bi-amp with the MC2301?
Yes, the MC2301 can be used in bi-amping configurations by connecting one channel to the woofer and another to the tweeter, but ensure proper crossover and impedance matching.
What is the power consumption in standby?
Standby power consumption is less than 0.5 watt.
Where can I find spare tubes?
Spare tubes can be ordered from McIntosh authorized dealers or directly from the company. Always use matched sets for consistent performance.
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