Description
The McIntosh MC830 is a monophonic transistor power amplifier, that is, a unit dedicated to amplifying a single channel. Used in pairs, it forms, together with the C8 tube preamplifier, the basis of a system in separate components, to which sources and a pair of speakers simply need to be added. Its dimensions are similar to those of the MA252 integrated amplifier.
Its design is based on a direct-coupled output and delivers a power of 300 Watts into 8 Ohms, rising to 480 Watts into 4 Ohms. This difference in power depending on impedance indicates a good ability to drive demanding speakers, regardless of their load. A fast-responding, dual-scale meter displays the actual output power for both speaker impedances, allowing precise visual monitoring of the amplifier's operation.
The MC830 incorporates two protection systems specific to McIntosh. Power Guard technology continuously monitors the output signal and makes real-time micro-adjustments to prevent any clipping that could damage the speakers. Sentry Monitor, meanwhile, is a fuseless short-circuit protection system: it disengages the output stage before current exceeds normal operating levels, then automatically resets once conditions return to normal.
Connectivity includes one balanced input and one unbalanced input, allowing it to be integrated into various system configurations. The black glass front panel with silver trim, the brand's characteristic blue meter, the illuminated logo and the McIntosh-monogrammed side heatsinks complete the unit's visual identity, while providing the thermal regulation necessary for its operation.
This monophonic unit is aimed at enthusiasts wishing to build a high-end separates system, particularly in combination with the C8 tube preamplifier, in a configuration where each channel has its own power supply and output stage.
Technical specifications
| Power | 300 W into 8 Ohms / 480 W into 4 Ohms |
| Connectivity | Balanced input, unbalanced input |
What to check before buying used
With this type of direct-coupled monophonic unit, testing both channels under load is essential to rule out any issue with bias current or thermal drift. The operation of the dual-scale meter and the Power Guard and Sentry Monitor protection circuits is worth checking, as these circuits can age without the amplifier ceasing to function. Checking the balanced and unbalanced input terminals as well as the output terminal blocks is also recommended, as these connectors are used every time the configuration is changed.
Looking for this reference: Mc Intosh MC 830 ?
Tell us what you are looking for: our merchants are notified, and one of them may have it in stock.