I think that these boards are the same as many mc amps i know that the drivers. Mcintosh ma 6600 integrated amplifier audio amplifier, audiophile, speakers, high end hifi. Mcintosh ma6600 integrated amplifier audio amplifier, audiophile, speakers, high end hifi. Mcintosh mc 2300 300 watt per channel amplifier for sale on ebay by username jimjam041 or in ebay store jimjamsvintagemusic. Used mcintosh mc2300 stereo power amplifiers for sale. The mode switch on the back panel of the amplifier must be placed in the mono position. My mcintosh mc240 is the best power amplifier ive ever heard. Dl 2 controller plus power supply and phono pre amp. The mc352 is their 350 watt stereo power amplifier. Mcintosh mc30 rebuild first installment turret boards for.
Mcintosh the compendium vintagemacs mcintosh compendium has moved. Mcintosh was on the second floor of the old downtown building. The mcintosh mc2000 raised a mighty splash when it cannonballed into sam telligs wading pool. The mc2300 is a solidstate power amplifier which was built by the american highend audio company mcintosh, and sold between the years 1971 and 1980. If you have the mcintosh double box shipping carton use it. Mcintosh diagrams, schematics and service manuals download for free. One owner, purchased from a former mcintosh dealer. The mclntosh mc 2300 is a high quality, extremely high power, solid state stereo amplifier. Founded in 1949, mcintosh is known for offering distinguished home audio systems that deliver the ultimate experience in music and film. Jun 30, 2007 the macintosh design using transformers isnt antediluvian i.
Newer and better power transistors rebuilt driver boards better power caps every circuit checked and newerbetter parts installed, including resistors, connectors and the use of shielded wiring where necessary too many to list. We sell parts and components for mcintosh hifi audio. I recently purchased a very large amount of transformers and other gear from a local recording studio that had been in business since the 1950s. Unfollow mcintosh amplifier to stop getting updates on your ebay feed. I have a mc2300 in for service with a bad driverboard and need help locating suitable replacements for an pnp npn pair. Company in washington state service audio video home electronics.
Mcintosh mc152 stereo power amplifier at crutchfield. Mcintosh mc2200 manual stereo power amplifier hifi engine. Since counterfeit mj15003 exist these days, i figured id swapped these 3 as well as the other 9 with known genuine nos mj15003 that i had on hand. Mcintosh c2300 vacuum tube preamplifier ken kessler. Unfollow mcintosh mc2205 to stop getting updates on your ebay feed. The outputs consist of twelve mcintosh 070 to3 npn transistors. Discussion in audio hardware started by erikullvin. The tracking potentiometers were updated as well as the initial differential pair transistors with matched ztx low signal transistors matched within 1% along with current monitor q4.
To purchase mc2300 spares or accessories, please contact the company via their website or visit an authorised retailer. Sure enough, i was peaking out at about 100w, even with the 92dbsensitive triangle antals. In sts detailed musings on this goldplated hunk o stereo amp in the november 99 stereophile, youll learn that the mc2000 was designed by sidney corderman, mcintosh cofounder and designer of the legendary mc275. Transistors in mc2100, mc2105, and mc2300 power amplifiers. Mcintosh driver board requests part 1 of 2 youtube. Amp has been used in a home environment all its life so it shows rather well. Mcintosh mc2300 sm service manual download, schematics. This is due to a difference in the mcintosh amplifier chassis design. This is a pair of 2070 fully tested, working date code 1979.
This is the first installment of the mcintosh mc30 rebuild. All of the output heat sinks were a total mess in both amps and it looked as if all soldering was done. It can be utilized either as a 300wattperchannel stereo amp, or a 600watt monoblock, and was rated by its manufacturer as being able to produce this amount of power continuously, with very little less than 0. To purchase mc2300 spares or accessories, please contact the company via their website or visit an. When i was using the mc2300 in the listening room, which had meters like. Binghamton, ny october 11, 2017 mcintosh, the global leader in prestigious home entertainment and ultimatequality audio for over 65 years, is proud to announce the ma5300 integrated amplifier. Ive never heard a combo like that, though, so who knows. Mcintosh first generation ss amps, mc2105, mc2505, mc2300, mc250, mc2100. Since 1949, mcintosh has remained true to its design aesthetic. Mcintosh c2300 preamplifier this new preamp from the venerable american audio company has an amazing list of features including eight inputs, a number of data and control ports, separate mm and mc phono stages and the ability to change cartridge loading via remote control. Make offer vintage original mcintosh mc2300 service manual.
While everyone has varying opinions on what is the most integral link in the audio chain. Mcintosh has been making tuners since the 1950s and they are one of the hallmarks of mcintosh, with the groundbreaking mr78 fm tuner from 1972 considered an alltime classic in the audio industry. Mcintosh mc2300 rebuilt by amplifier experts amplifier experts. I have also heard people say that for the solid state amps like mine i should go tube on the preamp. View and download mcintosh mc2300 service manual online. Mcintosh hints and kinks page 38 audiokarma home audio. One bank had obviously been repaired with mj15003 at some point. Many amplifiers, including mcintosh, could be inadvertently driven into clipping. The fm multiplex section has had issues with aging and is hard to work on and mcintosh dont work on them. A power transistor circuit prevented excessive voltage from being delivered to the lamp. Mcintosh mc2300 driver boards transistors diyaudio. Unfollow mcintosh mc2300 to stop getting updates on your ebay feed. Mar 29, 2000 the mcintosh mc2000 raised a mighty splash when it cannonballed into sam telligs wading pool. It uses the famous unity coupled output circuit with eight kt88 or 6550 output tubes four per channel in a pushpull parallel configuration.
This is the amp they called the jerry garcia mac as the gratefull dead used these amps to fill a stadium with sound. A hot resistor melted the solder and two output transistors blew. Output transistor stereo receiver amplifier crossreference chart transistor crossreference chart showing stereo receiver amplifier models that use the same original oem output transistors semiconductors. Shipped via fedex typically same day shipping, 2 to 3 business days max. Mcintosh transistor pair 2070 motorola mc2300, etc. One very good 300wattch mcintosh mc 2300 power amplifier. Internally, the c 27 major circuit board contains all of. Both firms specialize on repairing the tube era and first generation ss mcintosh equipment.
It has been serviced by syd beaumont at ideal innovationstire kickers stay away. The mc2300 is more or less the antithesis of the much slower c20. Every capacitor and every power and driver transistor has been replaced. Cofounders frank mcintosh and gordon gow came into electronics from world war defense communications jobs and later operated a consulting firm in washington, d. Hmm, we dont have any listings for this product right now. The idea here is to do the same thing to a pair of mcintosh mc30 monoblocks as i did to the a pair of heathkit w5ms if you recall i took a pair of rusty heathkits and rebuilt them to better than new specifications using nothing but the best parts. I would like to replace the electrolytic caps on both driver boards. Units were placed on boards covered with carpet underlayment and rolled.
If you havent been to my main page, please check it for mcintosh related sites and personal information for information and prices on the current line of products, contact mcintosh laboratory, inc. Dec 22, 2019 explore peterkennethbros board audio amplifier, followed by 271 people on. This beast was the top of the line unit for mcintosh back in the day. To purchase mc2200 spares or accessories, please contact the company via their website or visit an authorised retailer. Some speaker designs have impedance characteristics that may dip to as low as 1. Like too few others, mcintosh isnt afraid to keep a model in its lineup for more than a season or two.
On these boards the original electrolytic were replaced with a audio grade nichicon kgka and uvp nichicon bp capacitors. A shielded cable from the signal source is connected to the rightmono input of the mc 2300. Get all the newest and latest information on the new mcintosh sol id state. They were in a stereo shop powered by a mcintosh mc2300 and knowing what i. I hinted to larry fish that id heard a subjectively more powerful sound with the.
Several things set it apart from the pack of solidstate muscle amps. With 200 watts per channel, 14 inputs and a highperformance amfm tuner, the mac7200 receiver is a music lovers dream. Service manuals, owners manuals, schematics, diagrams, datasheets, brochures online for free download and free to your amplifier, receiver, tape, cd, tuner, turntable and recorder. Mcintosh mc2200 manual stereo power amplifier hifi. This is a superb mcintosh mc 2300 stereo power amplifier. Blown amp channel, bad filter capacitor, various other service. The mcintosh mc2301 300 watt vacuum tube amplifier delivers the most extraordinarily lifelike and dynamic performance ever heard from a mcintosh tube amplifier.
Mcintosh mc2505 the solid state amplifier that change the world. Mcintosh laboratory is a manufacturer of highend audio equipment based in binghamton, new york. A musical ride with the mx110z tunerpreamplifier and the mc30, mc225, and mc240 amplifiers by jeff day. Power amplifiers are electrical devices that provide amplification and various effects to audio sounds. Mcintosh mc2205 stereo power amplifier mac mc2205 amp. Mcintosh mc2505 the solid state amplifier that change the world as any vinyl enthusiast will agree, the pure audio enjoyment of this hobby will only go as far as the limitations of your system. Specifically, i think the 1970s transistor sound is related much more to. View and download mcintosh mc2301 owners manual online. It can be utilized either as a 300wattperchannel stereo amp, or a 600watt monoblock, and was rated by its manufacturer as being able to produce this amount of power continuously, with very. Mcintosh mc2300 amplifier for sale canuck audio mart. Free mcintosh diagrams, schematics, service manuals. Its a 300 watt per channel stereo or 600 watt mono amplifier, its a 1yxxx serial number. Mc33926pnbr2 motor driver cmos parallel 32pqfn 8x8 from nxp usa inc pricing and availability on millions of electronic components from digikey electronics.
If you read any of their sales literature or even talk to their engineers, they design a different circuit topology, feeling that the transformer keeps a constant impedance on the output stage of the amplifier, rather than depending on speaker load. We service and repair tv,s, monitors, audio amplifiers, modern and vintage, brands mcintosh, yamaha, kenwood, onkyo, krell, marantz,mark levinson, pioneer, luxman,panasonic, sony, and other. The mcintosh ma252 is a one ofakind hybrid amplifier. Of the numerous tube audio amplifiers produced by mcintosh over many years, the mighty mcintosh mc3500, or its industrial version the mcintosh mi350, designed by mile nestorovic in about 1968, is unsurpassable in my humble opinion, the greatest commercial tube amp ever made. Help me pick a preamp for mcintosh mc 2300 steve hoffman. I have to replace the transistors in a mc2300 driver boards.
With an output of 300 watts, it provides enough high power to drive even the most demanding loudspeaker. Used mcintosh mc2205 stereo power amplifier mac mc2205 amp. Each channel uses 12 heavy duty motorola transistors mj type, 3 in a row on each heatsink and a bank of massive general electric power supply capacitors giving the 2300 enormous power. The question of whether to power your hifi system with tubes or transistors has. While most great amps do nothing to alter the sound what comes in is what goes out, and when transistor amplifiers alter the sound its almost always for the worst, the subtle things tube amplifiers and especially the mc240 do to the music make it sound absolutely fantastic. This amp is still sought after by audiophiles all over the world for its ability to produce clean and natural sound.
Mcintosh mc2300 vintage 300 watt stereo amplifier for sale. Both firms specialize on repairing the tube era and first generation ss. Nagra pll, red wine audio isabella, bat vk32se, mcintosh mc2300. Discussion in mcintosh audio started by whabamp, nov 28, 2014.
One unit took me about 2 years but well worth the money and time. Something to note is that even though the mcintosh mc2300 yes thats 300wchannel has the exact same original output boards, tonys experimental boards will not fit. Mcintosh mc2300 power amplifier in very very good condition. The output boards for the 21002105 chassis are mounted parallel on either side of the large filter caps.
Get a mx 110 from either audio classics or terry dewick if possible since repairs are expensive otherwise. Mcintosh mc2300 stereo solid state power amplifier. One of the pioneers of audio electronics, mcintosh laboratory got started with an idea. Mcintosh mc2100 driver boards by xraytonyb diyaudio. This auction is for a very rare and collectable vintage mcintosh mc2300 power amplifier. Mcintosh audio labs mc352 amplifier positive feedback.
Ive been using the c2200 preamplifier ever since it was launched some six years ago. My problem is, the transistors are nla, part number from mcintosh is 2070, number on the transistor is 32070, motorola. Service manuals, schematics, eproms for electrical technicians. This site helps you to save the earth from electronic waste. Circuit diagram of power amplifier built using power transistors. Use hifi shark to monitor pricing and global availability. Mcintosh mc2300 stereo solid state power amplifier reverb. Hifi vintage mcintosh or rollsroyce high fidelity, amplifier mcintosh, mcintosh tube amp, amp mcintosh 275, hifiatubes, mcintosh amp, hi fi mcintosh, mcintosh, hifi mcintosh. Sadly the amplifier is in a nonworking condition with some parts missing, but it will be supplied with a collection of spare parts including 23 new motorola 32070. Please, after buying this item, check out my other items for other transformers from utc, western electric, triad, ampex, and many others. Now, it could be that i was getting such clean, clear sound from the mc2102 that i was tempted to push the volume a bit. Diy 6l6 kt66 single ended amplifier with 6n3p srpp driver. Its left channel output transistors were on their way out so i handed it over to a trusted technician whose been doing.
Remove the knobs from amps that have glass front panels otherwise we could be looking for. The mclntosh mc 2300 solid state stereo power amplifier. I decided to do this video as a result of the overwhelming number of requests i received for the mcintosh mc2100mc2105 driver boards. Im using a mcintosh c33 with my mc2300 and it sounds great. Repair and upgrade examples mcintosh home audio for sale. This website is not affiliated with or sponsored by mcintosh.
The mcintosh mi350 and mc3500 high power highfidelity tube audio amplifiers. Jun 03, 2016 on these boards the original electrolytic were replaced with a audio grade nichicon kgka and uvp nichicon bp capacitors. Mcintosh mc2300 manual solid state stereo power amplifier. We sell parts and components for tv and vintage audio gears.
Device owners manual service manual brochure catalog miscellaneous pictures device. The multimeter junkie fixes an mc 2100 as a personal project. View and download mcintosh c2300 owners manual online. Ive really had a lot of fun listening to vintage mcintosh vacuum tube audio electronics in my hi. The mcintosh ma252 is a one ofakind hybrid amplifier mcintosh has been always associated with high quality and beautiful styling, producing vacuumtube amplifiers since its early days, including the famed mc275 stereo amp, that was and still is a big hit among audio enthusiasts. Corderman joined mcintosh and was placed in charge of engineering, research and development. A complete list of tubes is given for tube amplifiers. Antique radio forums view topic mcintosh mc2105 output. If you really want a tubed mcintosh preamp, you might find the solidstate rectified units to be a better match to your 2300 as theyre a bit quicker. The use of 10 complementary connected output transistors per channel, allows not only full power output into normal loads, but extra high current output to drive uneven speaker loads. Offering products for twochannel stereo sound systems and multichannel home theaters with surround sound, mcintosh continues to define the ultimate home audio entertainment experience for discriminating listeners around the world.
Mcintosh has been creating devices since 1949 with the goal of providing the amplifiers to withstand the test of. Mcintosh mc2300 rebuilt by amplifier experts youtube. Mcintosh mc275 mkv tube stereo amplifier, excellent condition this is the fifth iteration of this classic and wellloved design which many believe to be among the best. Mcintosh mc2300 stereo power amplifier 300 watts per. Remove the driver plugin circuit boards from the power amplifier. Sadly the amplifier is in a nonworking condition with some parts missing, but it will be supplied with a colle. Mcintosh launches new ma5300 integrated amplifier parttime. Because of the high power available it is necessary to emphasize some prudent and. Mcintosh mc2300 stereo power amplifier for sale canuck. Mr71 audio path upgrade using solen, pheonix, and iec capacitors, included in this upgrade is a full rf, if, and demultiplex alignment.