McIntosh MC830: Compact 1-Channel Solid State Power Amplifier
The McIntosh MC830 is a single-channel solid state power amplifier designed for high-performance stereo and home theater systems. Its direct-coupled output stage delivers 300 watts into 8 ohms or 480 watts into 4 ohms, providing substantial power from a comparatively compact open-chassis design.
Each MC830 powers one loudspeaker channel and is sold individually. A traditional two-channel system requires a pair of MC830 amplifiers connected to a separate preamplifier. Balanced and unbalanced inputs make the amplifier easy to integrate with McIntosh and non-McIntosh components.
Why Choose the McIntosh MC830?
- High-output monoblock design: Delivers 300 watts into 8 ohms or 480 watts into 4 ohms from one amplifier channel.
- Direct-coupled solid state output: Provides wide bandwidth, strong damping, and increased output into a 4-ohm loudspeaker load.
- Dual Scale Watt meter: Accurately displays output power for both 4- and 8-ohm speaker settings.
- Power Guard®: Monitors the output signal and makes real-time adjustments to help prevent clipping and loudspeaker damage.
- Sentry Monitor™: McIntosh's fuse-less short-circuit protection disengages the output stage if current exceeds safe operating limits and automatically resets when conditions return to normal.
- Monogrammed Heatsinks™: Efficiently dissipate heat while contributing to the amplifier's distinctive appearance.
- Flexible analog connectivity: Includes one balanced XLR input and one unbalanced RCA input.
- Solid Cinch™ binding posts: Gold-plated speaker connections securely hold cables and resist corrosion.
- Power Control and Auto Off: Supports coordinated system startup and shutdown, with an optional 30-minute automatic shutoff when no audio signal is detected.
Who Is the MC830 Best Suited For?
The MC830 is well suited to listeners who want dedicated monoblock amplification without the size, weight, or cost of McIntosh's larger Autoformer-equipped amplifiers. Its 480-watt output into 4 ohms makes it a strong choice for demanding full-range loudspeakers, while its compact footprint works well in systems where two large conventional chassis would be difficult to accommodate.
The amplifier can also be used for a high-performance front channel in a home theater system. Because it is a power amplifier rather than an integrated amplifier, it requires a separate preamplifier or surround processor with analog preamp outputs.
McIntosh MC830 vs. MC611
The MC830 and McIntosh MC611 are both single-channel solid state amplifiers, but they use different approaches. The MC830 has a direct-coupled output stage rated at 300 watts into 8 ohms and 480 watts into 4 ohms. The larger MC611 uses McIntosh Autoformer™ output technology and supplies 600 watts into 2-, 4-, or 8-ohm loads.
The MC830 is the more compact and accessible option for systems that do not require the MC611's higher output or constant-power Autoformer design. The MC611 offers greater headroom, more power into difficult loads, and the larger traditional McIntosh amplifier format. Explore the complete McIntosh power amplifier collection for additional stereo, monoblock, tube, and home theater models.
McIntosh MC830 Specifications
| Specification | MC830 |
|---|---|
| Channels | 1 |
| Power Output | 300 watts into 8 ohms; 480 watts into 4 ohms |
| Circuit Configuration | Push-pull complementary |
| Circuit Design | Solid state |
| Output Type | Direct coupled |
| Rated Power Band | 20Hz to 20kHz |
| Frequency Response | 20Hz to 20kHz: +0/-0.25dB; 10Hz to 100kHz: +0/-3dB |
| Total Harmonic Distortion | 0.005% |
| Signal-to-Noise Ratio | Balanced: 120dB; unbalanced: 118dB |
| Dynamic Headroom | 2dB |
| Damping Factor | Greater than 100 wideband |
| Analog Inputs | 1 balanced XLR; 1 unbalanced RCA |
| Speaker Connections | Solid Cinch™ binding posts for 4- or 8-ohm loads |
| Dimensions | 12-9/32 in W × 9-1/2 in H × 16 in D |
| Weight | 48 lb; 55 lb shipping weight |
Frequently Asked Questions
Is the McIntosh MC830 sold as a pair?
No. The MC830 is a one-channel monoblock amplifier and is sold individually. Two amplifiers are required for conventional stereo playback.
Does the MC830 include a preamplifier?
No. It is a dedicated power amplifier and must be connected to a separate stereo preamplifier, integrated component with variable preamp outputs, or home theater processor.
Does the MC830 use McIntosh Autoformers?
No. The MC830 uses a direct-coupled output design. It produces 300 watts into 8 ohms and increases its output to 480 watts into 4 ohms.
Can the MC830 be bridged?
No. The MC830 is already a dedicated single-channel amplifier and does not offer mono bridge or mono parallel operation.
Can it be used in a home theater?
Yes. One or more MC830 amplifiers can power front, center, or other important channels when connected to a surround processor with analog preamp outputs.
What warranty is included?
New MC830 amplifiers purchased through an authorized McIntosh dealer include McIntosh's 3-year limited warranty, subject to the manufacturer's current warranty and registration terms.
Authorized McIntosh Dealer Support
Audio Exchange is an authorized McIntosh dealer serving Richmond, Central Virginia, and clients planning high-performance audio and theater systems throughout the region. Our team can assist with loudspeaker matching, preamplifier selection, system layout, trade-ins, delivery, and professional installation.














