Mcintosh 275 specs. 8dBW) into 4, 8, or 16 ohms (stereo), 150W into (21. The MC275 tube amp is a redux of one of their original models from back in 1961. This creates almost instantaneous local Manufactured 1961 - 1971 The Original MC275 75 Watts x 2 Channel, 150 Watts x 1 Channel Oct 31, 2016 · And let’s not fret the accuracy issue too much. Response: 16Hz-40kHz (+0 -0. Early small 5-way plastic binding posts changed to gold metal in later production. The new MC1052 is pretty awesome, but has not been around long enough. Designed and engineered by the company’s co-founder Sidney Corderman and the McIntosh engineering team, the MC275 (2 x 75 watts per channel) was the most powerful McIntosh stereo amplifier in its day. Changes to the vertical and angled front panels. McIntosh tube gear has a long and well-deserved reputation for being the most neutral-sounding of all tube electronics: no apologies necessary for plummy bass, bogus warmth, pushed-back presence, drooping highs, euphonic distortions, or excessive noise. The famous McIntosh Unity Coupled Circuit, designed by company co-founders Sidney A. Specifications: Stereo or twin amplifier 75-watts as stereo 150-watts as monophonic Harmonic Distortion >0. Solid state rectifier bridge. Gold plated Balanced Audio Input con-nectors are added to take advantage of the greater noise reduction INTRODUCTION The MC275 Commemorative issue amplifier and owner's manual are faithful reproductions of the originals, produced from May, 1961 through July, 1973. However, as transistors emerged and vacuum tubes became 'old technology,' the MC275 was discontinued in 1971. 5dB), 10-100kHz (+0,-3dB). Distortion: 0. Specifications (from this excellent MC275 generation comparison PDF from The McIntosh Compendium website): MC275 [MK V]: (2009 ~ 2012) Changes: RoHS. Output power: 75Wpc (18. 1dB). All files are provided under strict licence and reproduction without prior permission or for financial gain is strictly prohibited. That alone would not be enough if it did not perform equally well to the task of reproducing music with grace and power. Tube Compliment: (3) 12AX7, (4)12AT7, (4) KT-88/6550. With Mclntosh you can install 4 x KT88/6550 output, 12AX7, 2 x 12AU7, 2 x 12AZ7, 2 x 12BH7. Just think about that for a second, this amplifier design has been in production for pretty much 60 years. If you have additional documentation please consider donating a copy to our free archive. IMPORTANT trols in the output circuit. The revolutionary circuit design enabled the development of audio amplifiers that produced the lowest distortion over the widest bandwidth, all without sacrificing high eficiency. This was the amp I desired while in college but couldn't afford. Combined with the widest bandwidth McIntosh output transformer design, the MC275 features tauter bass control and thermally quiet circuit design. 5%Input sensitivity: 0. The massive MC275 power amplifier is in its sixth iteration, with the first one debuting in 1961. It's 75 watts per channel of pure tube-driven authority, wrapped in a design so timeless that modern amps still try (and fail) to match its swagger. Gold plated Balanced Audio Input con-nectors are added to take advantage of the greater noise reduction McIntosh MC275 specifications Below you will find the product specifications and the manual specifications of the McIntosh MC275. Some say it was the Harley-Davidson of American amps, and with the big chromed chassis and exposed Gold View and Download McIntosh MC275 owner's manual online. The MC275 from McIntosh is not only one of the all time classics, when it comes to vacuum tube amplifiers, it is quite possibly one of (if not the best) of their tube amps, in terms of value, sonics, and build quality. A few changes were made to the original amplifier design to reflect technology advances and contemporary system requirements. S/N ratio: 100dB A-weighted. It refuses to stay dead. 8dBW) 2, 4, or 8 ohms (mono). Mar 15, 2025 · McIntosh MC-275 MK IV Tube for sale. To date (2024) McIntosh has produced 5 different versions of the Mc 275 amplifier based on electrical design, layout of the front panel and electrical specifications. Rated output power: 75Wpc into 4/8/16 ohms, 20Hz–20kHz. This amplifier was fitted with a set of strong pre-owned current Jan 14, 2007 · The McIntosh MC 275 power amplifier has been born yet again. Gain controls eliminated. Sure most of you will know who McIntosh are and bet some of you will remember the first McIntosh MC 275 that debuted in 1961. It's the Count Dracula of power amps. McINTOSH MC-275MK IV TUBE AMP – One of the most iconic amplifiers ever made by any brand. MC275 amplifier pdf manual download. The MK V sounds as good, if not better than the MK VI, and foregoes what many think to be silly LED lighting on the tubes and the more complicated speaker binding posts. 5%. Introduced in 1961, the Mac 275, in its original hardwired edition, was produced until 1970. Output Impedance: 4, 8, 16, 67 and 600 ohms. Combined with the widest bandwidth McIntosh output transformer design, the MC275 features tauter bass control and thermally quiet circuit design. Inputs: 1 pair balanced (XLR), 1 pair single-ended (RCA). McIntosh 275 | Specifications:Power output: 75 watts per channel into 8Ω (stereo), 150 watts into 8Ω (mono)Frequency response: 16Hz to 40kHzTotal harmonic distortion: 0. The venerable MC275, arguably the most sought-after amplifier ever built, was first launched in 1961 Jun 1, 2008 · The original McIntosh MC275 stereo tube power amplifier is a thing of beauty. Noise & Hum: -90dB. Tubes: 4-KT88/6550 output, 3-12AX7A, 4 The Compendium SPECIFICATIONS: 75w/ch stereo into 4, 8 or 16 ohms, 150w mono into 2, 4, or 8 ohms. You can read our review on that one here… This amplifier on so many levels is a king, because while it . 5% at 20Hz Oct 18, 2010 · The MC275's transformers utilize the same "unity-coupled circuit" that McIntosh invented in 1947. Corderman and Gordon Gow, featured an unique transformer to offer wider bandwidth with lower noise than traditional valve INTRODUCTION The MC275 Commemorative issue amplifier and owner's manual are faithful reproductions of the originals, produced from May, 1961 through July, 1973. 60-day returns and free shipping! May 5, 2009 · Still built in upstate New York, McIntosh is one of the most famous and respected audiophile brands in the US. Of course, it helps that both this latest MC275 and the companion C22 preamp, the last of Amplifier / AV Receiver McIntosh MC275 MK IV Review McIntosh MC 275 MK VI is a legendary amplifier. Tube Power Amp Reviews McIntosh MC 275 Commemorative power amplifier Specifications Sidebar: Specifications Description: Two-channel, tubed power amplifier with unbalanced and balanced input jacks. The result is pure music. The MK V was produced from 2009-2012. If The McIntosh MC275 2-Channel Vacuum Tube Amplifier exemplifies audio perfection, delivering a mesmerizing listening experience with its refined sound quality and iconic design. Thankfully, that is not where the story of the MC275 ends. The McIntosh MC275 isn’t just an amplifier—it’s an institution. In 1949, McIntosh was awarded a patent for its Unity-Coupled output circuit and has been improving it ever since. General: A clean example of the famous McIntosh MC275 design, in its MK V designation next to the newest and current MK VI. Its versatile functionality, whether in stereo or mono mode, ensures compatibility with various speaker setups, while the patented Unity Coupled Circuit output transformer technology guarantees consistent power delivery McIntosh is a prestigious brand with a long history of providing high-quality items. 2-Channel Vacuum Tub SPECIFICATIONS: 75w/ch stereo, 150w mono. The McIntosh MC275 is a receiver designed for performance/stage use, featuring 2. The patented Mclntosh circuit delivers its adver-tised specifications without any need for these controls and is not dependent on care-fully balanc d tubes for its performance. Buy the McIntosh MC275 Vacuum Tube Powered Amplifier and more high-performance products from World Wide Stereo. Response: 20-20kHz (+0 -0. I remember the Mac 275 fondly—rather like girlfriends from my college years. The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “danger-ous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. 0 channels of audio output. Looking at it one can only stare in awe at its craftsmanship and design. Preamp output: 1 pair single-ended (RCA). Upon its initial release in 1961, the MC275 Vacuum Tube Amplifier became an instant favorite due to its ability to drive the power-hungry speakers of that time period with great power at low distortion levels. 5VSignal to noise ratio: 90dBSpeaker load impedan Dec 4, 2012 · McIntosh’s MC275 may be the most famous tube amplifier in the history of high fidelity. Born in 1961, this chrome-plated beast is what happens when McIntosh decides to flex on the hi-fi world. 600 ohm o w e r This tube power amplifier has all the features to meet the needs of today’s music enthusiast, while preserving the qualities that have made the MC275 the most revered McIntosh tube amplifier. Loudspeaker outputs: separate gold-plated, 5-way binding posts for 4, 8, and 16 ohms. The two primary strands—one connected through the power supply to the plate and cathode of one of the output tubes, the other connected in the same manner to the other tube—are tightly wound together, turn for turn, for complete magnetic coupling. gx1 0ypuaoe id k2w dj3h ts1q s1xnd eguh au0d 1e