Original box with the matching serial #. (All tubes tested/verified with calibrated Hickok TV-7). The faceplate is in great condition.
All lettering is crisp and clear. This awesome preamplifier built in the USA is an excellent performer.
Wonderful details with glorious tube warmth, clarity and depth. This full featured preamp has exceptionally features that provide ample connectivity and performance capabilities. This unit has tight control over the sound with excellent stability even during the most demanding passages. All functions, inputs and outputs work properly as originally specified.This preamp is such an awesome performer with just a beautiful, rich sound. This unit has been thoroughly cleaned inside and out as well as the internal controls have been professionally cleaned and properly lubricated to provide excellent performance. All pots have been professionally cleaned and lubricated as well.
Volume and Balance Controls properly track and are even as they should be. All tubes, capacitors and resistors have been verified to be in spec and were spot on throughout. All original electrolytic capacitors test as better than new. Most specifications allow for a +- 20% discrepancy and we use +- 5%. All solder joints have been checked for cold joints an.
McIntosh Tube Preamplifiers have a wonderful level of performance. The C20 is no exception... Arguably one of the best sounding and looking tube preamps McIntosh ever made... A gorgeous looking and sounding unit indeed!
The beautiful, classy design really sets it apart from the class! The pictures show just how nice this unit is and you can zoom in on each picture to see additional details. With this servicing and certification it's ready for many years of enjoyment to come. Feel free to ask us any questions you might have. The tubes will be removed, individually packed and labeled with a loose ID tag/no stickers, etc.A layout map index will also be provided to make it easy to know what goes where. We take pride in our packing abilities and this will be evident from the moment your package arrives. Can be checked out and picked up in NYC (Price would be cheaper this way). I can also do TRADES. The item "McIntosh C20 Tube PreAmplifier all ORIGINAL BOX receipt (C11 & C22 era)" is in sale since Friday, July 24, 2020. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Preamps & Tube Preamps". The seller is "ph-347-699-5682" and is located in Brooklyn, New York. This item can be shipped worldwide.