McIntosh MI502 2-Channel Digital Power Amplifier
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MI502 2-channel digital power amplifier (Single)
A 2-channel Class D amplifier delivering 500 Watts per channel into 8 Ohms or 800 Watts into 4 Ohms for custom-installed audio and home theatre. Priced and sold individually.
Description
High power for custom installations
The MI502 uses closed loop digital switching amplifiers and resilient power supplies. It can drive front speakers in a home theatre, in-wall subwoofers, outdoor speakers or distributed audio zones, and multiple units can be stacked.
Two blue McIntosh Watt Meters display each channel’s output. Balanced and unbalanced inputs and 5-way binding posts are provided, and the fan-free Class D design is 2U rack mountable with removable brackets.
- Type: Digital
- 500 Watts x 2-Channels into 8 Ohms; 800 Watts x 2-Channels into 4 Ohms
- Blue McIntosh Watt Meters
- Power Guard® and Sentry Monitor™ protection
- Power Control 12 Volt triggering
- On/off signal sensing
- 2U rack mountable
Specifications
| Model | MI502 |
| Pack Type | Single |
| Available Colours | Black painted steel |
| Electronic Specifications | |
| FTC Power Output Rating | 500 W |
| Power Output per Channel | 500 W into 8 ohms 800 W into 4 ohms |
| Number of Channels | 2 |
| Total Harmonic Distortion | 0.05% |
| S/N below rated output | 98dB |
| Dynamic Headroom | 8 ohms: 2.7dB 4 ohms: 3.7dB |
| Damping Factor | 8 ohms: >85 4 ohms: >45 |
| Rated Power Band | 20Hz to 20kHz |
| Frequency Response | +0, -0.9dB from 20Hz to 20kHz |
| Control | |
| Remote Power Control | Yes |
| Connectivity | |
| Speaker Binding Post Type | Standard |
| General Specifications | |
| Circuit Configuration | Closed loop digital switching |
| Circuit Design | Digital |
| Output Type | Direct Coupled |
| Meters | Yes |
| Meter Light Switch | No |
| Balanced Input | 1 |
| Front Panel | Glass with removable rack mounting ears |
| Illumination | Direct LED |
| Chassis Style | Black painted steel |
| Weights & Dimensions | |
| Unit Dimensions (W x H x D) | 17-1/2" (44.45cm) (19" (48.3cm with mounting ears)) x 4-5/16" (11cm) (including feet) x 21" (53.3cm) (including front panel and cables) |
| Unit Weight | 21.5 lbs (9.8 kg) |
| Shipping Weight | 37.9 lbs (17.2 kg) |
Caring for your Speakers and Amplifiers
To Keep your equipment safe these are some best practices to note. Please be advised that this is only to reduce the risk of misuse and is not an exhaustive list.
Speakers
- Speaker terminals are marked red and black, ensure your amplifier to the speakers are wired on the same colours
- Ensure no loose speaker wire from the red touches a loose wire from the black as this will lead to a short circuit and damage either the speaker, the amplifier or both.
- Not all speakers are designed to play at max volume, kindly consider the pairing of your amplifier and speakers
- Speaker cabinets cannot be replaced please handle with care.
AV & Stereo Amplifiers
- If your amplifier has HDMI ports, ensure all devices are off before plugging in the HDMI cable
- Turn off the amplifier before swoping out or adding speaker cable
- Amplifiers generate heat, place them in a well ventilated space. if possible avoid having anything on top of the unit.
- adding a surge protector can assist with power dips which are likely to damage your devices. Isotek and Furman are industry standard.
- Dusty environments can sometimes lead to accumulation of dust in the electronic components that might affect heat regulation
Shipping & Returns
- Free shipping on orders over R500 within the country.
- Standard delivery within 2–5 business days. Delays will be communicated. This might vary slightly depending on your location.
- Return items in original condition for a full refund. (unopened state)
- Returns that are open/unboxed will be subject to a handling fee. Refunds will only be processed after testing the unit.