McIntoshMC75usedMcIntosh MC75 Modern Tube Monoblock Amplifiers - Limited 2015 Reissue**Please click here to check out our newly launched SkyFi Audio website with additional items for sale** This is the special limited edition reissue of the original McIntosh 1960's classic.This li...5999.00

McIntosh MC75 Modern Tube Monoblock Amplifiers - Limited 2015 Reissue

Listing ID: lisa3e88 Classified 
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Condition
8/10
Payment methods

Contact seller after sale to pay viaExpress Checkout, Certified check, Personal check or Wire Transfer

Ships fromGlen Rock, NJ, 07452
Ships toUnited States
Package dimensionsunspecified
Shipping carrierUPS
Shipping cost$129.00
Original accessoriesBox, Manual
AverageResearch Pricing


**Please click here to check out our newly launched SkyFi Audio website with additional items for sale**

This is the special limited edition reissue of the original McIntosh 1960's classic.

This listing is for the pair to confirm - 2 x MC75 Monoblock Amplifiers.

Back in 2015 McIntosh re-released this tube monoblock along with a matching modern version of the basically perfect 1960's McIntosh C22 preamplifier.

Dealers were quickly overwhelmed with preorders, both "retro reissues" sold out almost instantly, and they remain in very high demand. Excellent future collectibility! 

These were recently discontinued and are a perfect match for any vintage or high efficiency speaker.

They have the warmth and ease of a vintage 75W amp but without the high noise floor, which is great for driving horns.

These came to us from a collector that had dozens of amps (!), so we suspect they received very little use. 

Each of the tubes tested new and they work perfectly, as indicated by our modern professional test equipment and live experience in our listening room where they were used to drive a pair of Klipsch horns with amazing results!

In overall very good shape, except one nick in the transformer can that's not very noticeable.

These modern reissue of the original classic come complete with their original boxes, manual, tube cages and power cords.

McIntosh MC75 Sales Brochure

McIntosh MC75 Owner's Manual

Performance Features:

• Power Output
The MC75 is a Tube Power Amplifier with a capability of 75 watts into 2, 4 or 8 ohm speakers with less than 0.5% distortion.

• Unity Coupled Circuitry
The MC75 Power Amplifier uses the famous McIntosh Patented Unity Coupled Circuit which provides low distortion, extended frequency response, and cool operating output tubes.

• Multifilar Wound Output Transformer
The MC75 Output Transformer Windings are part of the Unity Coupled Circuitry. There are two bifilar wound primaries, one for the cathodes and one for the plates. The secondary winding is wound together with the primary windings. This provides very close primary to secondary coupling. The result is flat frequency response and wide power bandwidth.

• Sentry Monitor Tube Protection
McIntosh Sentry Monitor Tube Protection Circuits ensure the MC75 will have a long and trouble free operating life.

• Gold Plated Connectors and Tube Socket Contacts
Gold Plated Input Jacks and Output Binding Posts provide trouble free connections. Ceramic tube sock- ets with gold plated contacts provide protection from atmospheric contamination. Output Tube Sockets include Air-Pipe cooling at their bases.

• Special Power Supply
A regulated Power Supply, a very large core Power Transformer and large capacitors ensure stable noise free operation even though the power line varies.

Specifications:

Power Output
Minimum sine wave continuous average power output is:
75 watts into 2 ohm load
75 watts into 4 ohm load
75 watts into 8 ohm load

Output Load Impedance
2, 4 or 8 ohms

Rated Power Band
20Hz to 20,000Hz

Total Harmonic Distortion
0.5% maximum harmonic distortion at any power level from 250 milliwatts to rated power, 20Hz to 20,000Hz

Frequency Response
+0, -0.5dB from 20Hz to 20,000Hz
+0, -3.0dB from 10Hz to 100,000Hz

Input Sensitivity (for rated output)
1.7 Volt or 0.85 Volt Unbalanced
3.4 Volt or 1.7 Volt Balanced

Signal To Noise Ratio (A-Weighted)
110dB below rated output

Intermodulation Distortion
0.5% maximum, if the instantaneous peak power output does not exceed twice the rated power output for any combination of frequencies from 20Hz to 20,000Hz.

Wide Band Damping Factor
Greater than 18

Input Impedance
20,000 ohms Unbalanced 15,000 ohms Balanced

Tube Compliment
1 - 12AX7A Input and Phase Inverter
2 - 12AT7 Voltage Amplifier and Driver 
2 - KT88 Power Output

Overall Dimensions
Width is 17-3/4 inches (45.09cm) including Cables 
Height is 8-1/2 inches (21.59cm) including feet 
Depth is 8-1/2 inches (21.59cm)

Weight
38 pounds (17.24 kg) net
43.5 pounds (19.73 kg) in shipping carton

The SkyFi Testing Process for Amplifiers (Tube):

We start with a visual inspection of all internal components to make sure there are no signs of stress or aging. Capacitors are checked for telltale sings of bulging or leaking, resistors are checked for signs of overheating or cracking, and tubes are inspected for signs of stress overheating or cracking.

We then power up the unit carefully and run a simple 1k sine wave while monitoring the output on an oscilloscope for signs of distortion or noise. Finally we run the amplifier to its full rated power into the appropriate resistive load provided by our Sencore amplifier tester. If there is an issue, it will usually be noticeable at this point. If it all looks clean we will often test for THD (Total Harmonic Distortion) measured by our Keithley distortion meter, and compare it against the original manufacturers specifications. The amplifier the remains powered on to "burn in" on our test bench for a few hours to make sure there are no heat related issues. If there are balanced inputs available they will also be tested.

We also test all tubes for output gain and leakage on our calibrated B&K 747 tester against the original manufacturers specifications. If needed, the tubes will be replaced from our vast NOS (New Old Stock) vintage or modern inventory. 

Final testing involves pushing actual music thorough the amplifier. We've learned over time that some issues are only noticeable to a trained ear while listening to familiar source material. Our test bench has reference vintage KEF speakers that we're very familiar with which quickly reveal any discrepancies. Some amplifiers will then move into our listening room where they are tested with our in-house reference speakers of choice.

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Thanks for looking and please click here if you’d like to receive a list of new equipment we receive weekly. We promise not to bombard you with junk email.

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PURCHASING FROM SKYFI:

This item will be professionally packaged and insured for safe transit to your home unless you opt for local pickup from our shop. Please note that all local pickup items are only wrapped with industrial strength clear cling stretch wrap if the original manufacturer packaging is unavailable.

Local pickup is available in Glen Rock, NJ, just a half hour drive from Midtown Manhattan, with convenient parking near our building.

And if you’re looking to ship to Canada, simply follow this link to view and purchase this item. We ship to Canada via UPS Worldwide Expedited service and you’re responsible for any applicable import duties and taxes.

If we don’t have the original manufacture’s packaging, we use heavy duty double-ply corrugated boxes with custom made to your item Instapak expanding foam custom inserts. In many cases this has proven to be better than the original packaging! We also use high quality fiber reinforced tape to seal our packages. Lightweight items will be bubble wrapped and shipped in a high-quality box. 

Click here for specifics on our specialized packing process that separates us from the rest.

NJ Residents or anyone picking up without a resale certificate will need to pay NJ Sales Tax.

Thanks for looking and be sure to call us at 201-879-0000 with any questions. 

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WHO WE ARE:

SkyFi Audio is a small startup business specializing in the purchase, reconditioning, and reselling of select high-end audio equipment. We only buy equipment the we admire and are passionate about. No mid-fi, no gimmicks, no junk.

Each piece of equipment is cosmetically restored and fully tested in our well-equipped lab by an engineer with 30+ years of experience in the HiFi world. If it does not meet or exceed the original manufactures specifications, it will not be sold. We are very selective about the equipment we purchase, focusing on mostly analog, high-build quality, American, and European built units.

Through our sister company which is an authorized dealer for McIntosh, Audio Research, Sonus Faber, ClearAudio, Pro-Ject Audio Systems, and Sony ES, we have access to OEM parts, service, and support. If you’re local and looking for new equipment from the above-mentioned manufacturers, please drop us a line as we can arrange both sales and professional installation in the tri-state area.

PURCHASING GUIDELINES:

We do not accept or review any offers that do not go through the official Audiogon system. We have too many items for sale and it’s nearly impossible to keep track of offers outside of the official system. Please don’t message, email, or text any offers. 

PAYMENTS:

We prefer working through PayPal which allows you to use a credit card, bank transfer, and their special financing to spread out payments over six months. We do not charge extra for any PayPal fees if you purchase the item at the asking price. You can also send us a personal check (which will need to clear before shipping), certified check, money order, or bank wire transfer. International clients without access to PayPal should use a bank wire transfer. 

If you’re picking up an item, we do not accept PayPal. You must pay in person with a certified check, bank check, or wire transfer. If you make a PayPal payment and are picking up the item, your PayPal payment will be returned. 

TRADE IN POLICY:

We accept trade-ins of equal or lesser value under certain conditions. Simply click here to submit your gear for full consideration. We will only consider high-end equipment from mainstream manufacturers such as McIntosh, Mark Levinson, Audio Research, Krell, etc. and will typically pass on displays, projectors, receivers, dated surround processors, and mid-fi equipment of any type. We will offer a fair value for your equipment, but keep in mind we’re running a business and will need to be able to resell the equipment at a profit after investing a great deal of time and resources in testing, certifying, repairing, cleaning, and packaging the incoming equipment. If you’re looking for top dollar, we suggest selling direct on your own.

SELL US YOUR GEAR (Working or Broken):

We’ll also purchase your used or broken gear and arrange pickup if you’re in our local market. Simply click here to submit your gear for full consideration.

SCHEDULING AN APPOINTMENT:                                                                                                     

We are currently operating from our shop inside our dedicated building in Glen Rock, NJ. You’re welcome to make an appointment if there’s a piece of equipment you’d like to see in operation before or after purchase. We have several well-equipped and dedicated listening areas, plus a dedicated listening studio with tons of equipment of all makes and models. We’re not a store, so please don’t make an appointment if you’re just curious as to how a speaker or piece of equipment sounds. In essence - no tire kickers please.

You can call or text 201-879-0000 with any questions or to schedule an appointment. We can also arrange to install, calibrate, and tune your newly purchased gear in your listening room if you’re local to our area. This is super useful when purchasing large speakers or heavy amplifiers. It’s also great for ensuring your new turntable is setup correctly in its final resting place.

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