MR89 - Audio Receiver MCINTOSH - Free user manual and instructions
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| Product Type | Audio Receiver |
| Brand | McIntosh |
| Model | MR89 |
| Amplifier Type | Solid State Stereo Receiver |
| Power Output | 150 Watts per channel (8 ohms, 20-20,000 Hz) |
| Frequency Response | 20 Hz – 20 kHz ±0.5 dB |
| Total Harmonic Distortion | <0.005% |
| Signal-to-Noise Ratio | >95 dB |
| Input Sensitivity | 2.5 V (balanced), 1.0 V (unbalanced) |
| Dimensions (W x H x D) | 17.5 x 6.0 x 16.0 inches (44.5 x 15.2 x 40.6 cm) |
| Weight | 28.5 lbs (12.9 kg) |
| Power Consumption | 600 W maximum, 75 W idle |
| Standby Power | <0.5 W |
| Audio Inputs | 5 analog RCA, 2 balanced XLR, 1 Phono (MM) |
| Digital Inputs | 2 optical, 2 coaxial, 1 USB (Type B) |
| Preamp Outputs | 1 fixed, 1 variable RCA; 1 balanced XLR |
| Speaker Outputs | 2 pairs (A/B switching) with binding posts |
| Headphone Output | 1/4-inch (6.35 mm) front panel |
| Tuner Bands | AM/FM with 100 memory presets |
| Remote Control | Infrared (IR) included |
| Cleaning Instructions | Wipe with soft dry cloth; avoid solvents |
| Safety Certifications | UL, CE, FCC Class B |
| Warranty | 3 years parts and labor (90 days for tubes if applicable) |
Frequently Asked Questions - MR89 MCINTOSH
How do I connect speakers to the MR89?
Use the binding posts on the rear panel. Strip the speaker wire ends and insert into the post, then tighten. Ensure proper polarity (+ to +, - to -). The MR89 supports A/B switching; connect up to two pairs.
Can I use a turntable with the MR89?
Yes, the MR89 has a dedicated Phono input (MM) for moving magnet cartridges. Connect your turntable's ground wire to the grounding terminal on the rear panel.
How do I set the AM/FM presets?
Tune to the desired station, then press and hold the preset number button (1-10) on the remote or front panel until the display flashes. Repeat for each station. Use the memory bank buttons (A-J) for additional presets.
What is the maximum power output?
The MR89 delivers 150 watts per channel into 8 ohms, both channels driven, from 20 Hz to 20 kHz with less than 0.005% THD.
How do I clean the front panel?
Use a soft, dry microfiber cloth. Do not use any liquids, abrasives, or cleaning solvents. For stubborn spots, slightly dampen the cloth with water and wipe immediately.
Does the MR89 have a headphone output?
Yes, there is a 1/4-inch headphone jack on the front panel. Inserting headphones will mute the speaker outputs.
What digital inputs are available?
The MR89 includes 2 optical and 2 coaxial digital inputs, plus a USB Type B input for connecting a computer. Use these for sources like CD players, streaming devices, or game consoles.
Is it possible to bypass the preamplifier?
Yes, the MR89 has 'Preamp Out' jacks. You can connect an external power amplifier by running cables from the preamp outputs to the amplifier inputs. This bypasses the internal amplifier section.
How do I update the firmware?
Check the McIntosh website for firmware updates. Typically, you download a file to a USB drive, insert it into the MR89, and follow the on-screen prompts via the front panel display.
What should I do if the unit goes into protection mode?
Protection mode activates if there is a short circuit, overheating, or DC offset. Turn off the unit, disconnect all speaker wires, and let it cool for 30 minutes. If it persists, consult a qualified service technician.
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USER MANUAL MR89 MCINTOSH
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Product information
Brand : MCINTOSH
Model : MR89
Category : Audio Receiver