McIntosh MC611 Quad Balanced Monoblock Amplifiers - LNIB
Click here to schedule an appointment to visit our store or call 201-879-0000.
Please note this item must be purchased in store and we will not ship under any circumstances. Click here for more information about this policy.
Please support your local McIntosh Dealer.
General:
Current generation quad balanced amplifier from McIntosh capable of driving just about anything. Heck you could probably charge your Tesla in under 5 min with these beasts :-).
In perfect working condition and cosmetically super clean with no significant signs of use. They include a SkyFi in-house one year warranty.
Your purchase will come complete with both of the McIntosh boxes, owner's manual, and accessories.
More from McIntosh:
The monoblock MC611 Quad Balanced Power Amplifier produces 600 Watts of power – enough to satisfy nearly any loudspeaker. A pair of MC611s can easily drive an impressive home stereo system, or add more of them to power a home theater. Thanks to our unique output Autoformer™ technology, your speakers will receive the full 600 Watts regardless if they have 2, 4 or 8 Ohm impedance, allowing you the ability to use the MC611 to its full potential.
The MC611 is one of the most beautiful sounding amplifiers I’ve ever heard, and at the same time is one of the most realistic sounding amplifiers I’ve ever heard. And this continues to blow me away every time I turn the MC611s’ power on." Winner of Best of 2018 Blue Note Award. - Enjoy The Music
The MC611 has received numerous updates and improvements compared to our previous 600 Watt monoblock model. Chief among them is that filter capacity has been doubled which has resulted in a dramatic 55% increase in dynamic headroom from 1.8dB to 2.8dB. This twofold increase in filter capacity also helps improve the performance of low end bass frequencies.
The MC611s offer massive power with minimal distortion at all frequencies, into any load. In doing so they are virtually unique… Easy going silky smooth sound, richly detailed and dynamically awesome." Awarded 5 out of 5 Globes. - Hi-Fi World
The front panel features new direct LED backlighting for improved appearance and color accuracy. On top, the audio Autoformer and power transformer remain seated just behind the front panel, but are now contained in new glass topped enclosures. Behind them are 2 of our Monogrammed Heatsinks™ which connect to advanced high current output transistors that help eliminate thermal equilibrium lag time. A screening of the amplifier’s block diagram has been added to the panel located between the heatsinks.
Attack, sustain, decay came through with such clarity and power you – I – rarely hear through high-power amplifiers... Highly Recommended, A++++." - Audiophile Style
On the back, there continues to be 3 sets of our Solid Cinch™ speaker binding posts (1 set for each speaker impedance), but more space has been added between each set to allow for easier speaker cable management. Our eco-friendly power management system, which will turn the amp off after a set amount of time when no input signal has been detected, has also been added. Other enhancements include heavier gauge internal wiring and upgraded circuit components.
"A rare combination of effortless power and sophistication" that allows it to easily "drive almost any type of speaker." Highly Recommended: 6 Stars - Lyd & Bilde
In addition to all these improvements, the MC611 is full of other exclusive McIntosh technologies:
- Power Guard® that monitors and adjusts the input signal at the speed of light and makes real time adjustments to prevent harsh sounding and potentially speaker damaging clipping
- Sentry Monitor™ - our fuse-less short-circuit protection circuit that disengages the output stage before current exceeds safe operating levels and then resets automatically when operating conditions return to normal
- Quad Balanced design that cancels virtually all noise and distortion that may have crept into the audio signal
- Power Control to send power on/off signals to other connected McIntosh components for easy system power up and shutdown
Both a balanced and unbalanced output are included to make bi-amping or tri-amping your speakers easier; they can also be used to send the audio signal to a secondary system if your preamplifier does not have enough outputs, or to connect a powered subwoofer.
Link to Manual:
Click Here (See last the last listing photo for full specifications)
Link to Brochure:
Click below to view our recommended matching cables from Kimber Kable, all brand new as SkyFi is an official Kimber dealer.
McIntosh Balanced Audio Cables (XLR)
Kimber Kable - Ascent 10 Gauge Power Cord - Better
Kimber Kable - Palladian 10 Gauge Power Cord - Best
The SkyFi Testing Process for Solid State Amplifiers:
We start with a visual inspection of all internal components to make sure that there are no signs of heat stress or damage. Capacitors are checked for telltale signs of predictive failure including bulging, shrunken wrappers, or physical leakage. We also inspect the PCBs for discoloration from resistors or transistors that may have been running hot. On vintage units we often spot check select capacitors for value and ESR.
If the amplifier passes visual inspection, we move on to a controlled power on sequence using a Sencore safety analyzer to monitor current draw in real time. Once the amplifier is determined to be safe to operate, we connect it to full AC mains for function and power testing. We connect the speaker outputs of the amplifier to a Sencore PA81 Power Analyzer which acts as a dummy load, DC offset monitor, and oscilloscope interface. We start with a low level 1KHz test signal at the amplifier’s input and slowly increase its amplitude while monitoring the output on an oscilloscope for signs of noise, clipping, distortion, or improper channel balance. We continue increasing the signal level until the amplifier reaches clipping. At this point we take an output power measurement and compare it to the spec sheet of the amplifier to verify proper performance. If the device under test has both balanced and single ended inputs they are both tested at this time. We finish off the bench evaluation with a 1KHz square wave check and a 20Hz to 20KHz sine sweep to assess the amplifier’s frequency response characteristics. This battery of tests will usually reveal if the amplifier has any issues that need further attention.
Before the device leaves the bench, we perform a listening test with actual music using a variety of preferred test tracks. Our benches are outfitted with familiar monitor speakers which help us identify inconsistencies that will not always show up on our test gear. The main things that we are listening for are hum or noise with no signal present, proper center image, clicks, pops, or any other obvious undesirable audio characteristics.
If the unit passes all of these tests it is moved to our long term testing rig where we simulate real word operating conditions for 6-8 hours. This allows us to monitor the unit for signs of thermal runaway or intermittent issues that only crop up when the unit has fully come up to temperature.
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Item |
Included |
|
Original Boxes |
Yes Included |
|
Manual |
Yes Included |
|
Remote |
Not Applicable |
|
Cables |
Yes - Power Only x 2 |
|
Physical Condition (Info Here) |
9 / 10 |
|
Working Condition |
10 / 10 |
Click here to schedule an appointment to visit our store or call 201-879-0000.
Please note this item must be purchased in store and we will not ship under any circumstances. Click here for more information about this policy.
Please support your local McIntosh Dealer.
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