Hegel power amp. Extremely low distortion levels.

Hegel power amp High-end amplifiers capable of driving every speaker. Headphone output. 5-Channel Power Amplifier (2019-24) add a review. You won't be lacking power in that case, as in mono mode the H30A is specified to deliver 1. The pre-out on the H95 is taken directly from the power amplifiers input stage. It is up to you to make sure you get the ones that are least under rated if at all. Connections on the Hegel amp's back panel include BNC, coaxial, and a trio of optical digital inputs along with a USB type-B port for a direct computer hookup. Opens in a new window or tab. hegel. or Best Offer. Hegel says it can drive impedance loads as low as 2 ohms nominal, with a damping factor of 4000 (!). The Hegel H30A, aptly nicknamed "The Orchestra," is a reference power amplifier that stands as an audio powerhouse, effortlessly delivering over 1100 watts in 8 ohms and maintaining stability even with 1-ohm loads, making it the ultimate conductor for music, offering immense power, precision, and a harmonious balance between high performance and audio finesse, all elegantly encased in a sleek Nov 24, 2023 · Built into an enhanced H590 chassis but featuring 'sound tuning' from the P30A/H30A pre/power, Hegel's fully-networked flagship integrated gets off to a flying start After an extended period of Covid and component shortage-related calm, Oslo-based Hegel has seemingly shifted into overdrive, launching multiple new products in just half a year. SoundStage (USA) Hegel integrated amplifiers, power amplifiers, and sources are using completely separate DualPower power supplies for the input and voltage gain stages, and for the current output stages of the audio amplifier. Hegel H20. Extremely low distortion levels. " - Hegel The Hegel H20 is a remarkable power amplifier with power capabilities of more than 130 Ampere. 5W while allowing the network port to receive wake-up commands to turn the amp on again. We have nicknamed it The Orchestra because that is what it is. The Hegel H30A is our reference power amplifier. Hegel CEO, founder, and lead designer Bent Holter (right) was on-hand along with Anders Ertzeid "VP of This and That" (aka VP Sales and Marketing, left) to share details. The Hegel C5 series: 3, 4 or 5 channel power amplifiers are rack-mountable, configurable, specified to Jun 28, 2024 · The design is heavily based on principles implemented in Hegel’s well-respected H30A reference amplifier. 6. This sounds a lot better on H120 than on Röst. Their patented feed-forward correction completely eliminates crossover distortion and high-order THD products, making this the only A/AB solid-state amp I know of outside of DartZeel and D'Agostino that is as smooth (or smoother) than the best SE tube amps. The custom-designed Hegel power transformers have got separate DualPower windings feeding independent high-speed rectifiers and high Jul 26, 2023 · One thing is missing from the Hegel P30A/H30A preamplifier/power amplifier combination… a damn good matching DAC. Oct 17, 2014 · Another bonus point for Hegel, the power stage in the integrated amplifier is neutral and transparent to internal or external sources and amplifier stages. The Hegel H20 is a remarkable power amplifier with powercapabilities of more than 130 Ampere. 25's, MC-3500's, MEN220, MT-10, MT-5, MA12000, MA352, MA252, MPC500, MPC1500 H600 is our reference integrated amplifier. Both would be ideal additions to the mix. Free delivery. And still tailored to your needs. A discrete blue control light indicates that the amplifier is on. Today Hegel is one of the best-established brands in the hi-fi market, producing integrated, pre and power amplifiers as well as some of the most modern and sophisticated DACs. Aptly nicknamed "More Music", H190v takes our best-selling product of all time to new heights, offering a perfect blend of power, refinement, and versatility. Pre-Owned. H600 is our reference integrated amplifier. Hegel C55 5-Channel Power Amplifier - Hegel A multi-channel amplifier designed for sound performance not priced like diamonds. Stereo Power Amplifier (2010-24) add a review. Hegel H20 200W Power Amplifier Amp Dual Mono SoundEngine 20 Bipolar Transistors A$9,929 Dec 28, 2024 - Mar 15, 2025 eBay Hegel H20 - Hifi Solid State Stereo Power Jul 1, 2023 · Hegel had sent us their best amplifier set ever, in the form of the P30 preamplifier and the H30 power amplifier. 52dBW). The first is power. O. The H400 was something of an ‘expected’ product from Norwegian hi-fi brand Hegel, using trickledown technology from its powerhouse H600, which I have been using more-or-less daily since it arrived last year, along with the lower-powered but nonetheless excellent H190 in a smaller system. Awards and press reviews speak for themselves. With its strangely precise 301W per channel, you could be mistaken for thinking the H590 occupies the top slot of Hegel’s integrated amp line-up simply by virtue of power delivery. The H30A features high quality, gold-plated speaker binding posts. H190v continues this tradition with an evolution of the classic H190 amplifier. Jul 3, 2023 · Hegel markets the H30A as a monoblock first, stereo power amp second. Oct 18, 2024 · In the world of high-end audio, few names command as much respect as Hegel. A practical benefit of the H20 FET-technology I use Hegel H95 with Pioneer S-1EX floor-standing speakers to play music files through streaming media. 24kW/2ohm and a huge 2. flyer - jalal1926. Each seemed to describe what I'd heard in those Hegel-equipped rooms at audio shows: Hegel amplifiers make music sound more visceral and well proportioned than other amps in their price range. A practical benefit of the H20 FET-technology is a more rhythmic sound. Results above 10 are acceptable, values in the range of 50-100 are a good average, and 200-400 is already a lot. Located on the rear panel, the Hegel H190v amp features five digital inputs (3 optical, one coaxial and one USB-B), as well as two unbalanced RCA inputs and one balanced XLR input. With its 303 watts in 8 ohms, a damping factor of 4000, and 2 ohms drive capability, this powerhouse of an amplifier can drive any speaker with confidence and ease. Sep 8, 2023 · Photo: Hegel Power station. hough excellent, Hegel’s P30 preamplifi er and H30 power amp were looking like tired products in a very dynamic product line. E Nov 21, 2018 · The Hegel H590 adds more power to the likes of the Röst, H90, and H190, and it brings more power and connectivity to the H360. High End Power Amplifier HEGEL, OSLO, NORWAY Mono Inputs Balanced Left Input Selector Left Inputs Mono Stereo before connecting cables or switching input mode. With a remarkable power output of over 130 Ampere, the Hegel H20 power amplifier offers unbeatable performance. Where the H590 was rated at 301 watts per channel in 8 ohms, Hegel has cheekily increased the power to 303 watts in the H600. Jun 5, 2015 · I went online and read every Hegel review I could find. Once the launchpad platforms for new technology in the rest of the range, Hegel’s integrated amplifi ers like the H390 and The Hegel H20 is a remarkable power amplifier with power capabilities of more than 130 Ampere. Chris Ward checks out the versatile component with a low handicap 50 percent more current delivery. As the evolution of Hegel's best-selling H190, the H190V – aptly nicknamed "More Music" – takes centre stage in the company's lineup, offering a perfect blend of power Product: Hegel H30 Stereo Power Amplifier; H-30; Silver Product SKU: 42523 Serial Number: H30-55A309 Voltage: 120V Cosmetic Description: 9/10 Excellent condition with no notable blemishes. See full list on theabsolutesound. Hegel C55 Power Amplifier Introducing the Hegel C55 Power Amplifier: When functionality meets astonishing sound quality, sheer power, and luxury, y View full details Compare Hegel has consistently set the benchmark for excellence in integrated amplifier design. Mar 18, 2024 · And, last but not least, the H190v has a stereo power amp, with 150 watts per channel into 8 ohms rated power. When it comes to power delivery and dynamic stability, it is as calm an amp as I have had in my system—and I have had some 450- and 500-watt (8-ohm spec) bruisers in house. Hegel Music Systems, Oslo TELEPHONE 00 47 22605660 WEBSITE hegel. Because the Roon control interface is more user-friendly and offers more searching and streaming options than Hegel's own app—and the JPlay app I used in Roon's stead during my review—I am following up with my impressions of using May 26, 2022 · Hegel introduced a couple of new analog components, the Hegel Reference H30A Reference power amplifier and the P30A preamplifier, which supersedes the P30 preamp. For the best possible connection, the H30A features high quality, gold-plated speaker binding posts. The Hegel C5 series: 3, 4 or 5 channel power amplifiers are rack mountable, configurable, specified to your needs and will - most importantly - blow you away with their sound performance. The headphone jack has also been significantly upgraded. The power of Hegel H95 per channel is 60 watts (8 Manual Library / Hegel. Actually, I was most impressed by the H120’s price/performance ratio offering, as it sounds far more confident and mature than its relatively modest cost suggests. Hegel H190v: full connectivity . Hegel has consistently set the benchmark for excellence in integrated amplifier design. Behind it's confident panel, the H4 has extreme power reserves and is capable of powering all available speakers. The H30 is developed as a monoblock, but there is alsothe possibility to use it as a stereo power amplifier to start with if you areon a budget. Lab Report Hegel's dry wit is illustrated by the very precise '2x303W into 8ohm' specification for its H600, a figure met in practice at 2x315W and 2x600W into 8/4ohm, respectively. EVS modified VTV Purifi Stereo Power Amplifier The H30A is designed as a mono power amplifier, but it can also be used as a stereo power amplifier. It is simply better at re-creating a bass line. This Hegel power amp is really great, when I heard it I knew it was the one. com Jan 31, 2025 · The H30A power amp has 305 watts per channel on tap in stereo mode (1100 in mono) into eight ohms and 599 watts into four. Used 2009 Hegel H10 Power Amplifier Transistor Audio/Digital Home Appliances. Time Left: 30 Days. The H30A is designed as a mono power amplifier, but it can also be used as a stereo power amplifier. New to the Hegel H20 power amplifier is bead blasted and anodized top and side covers. Hegel’s newest generation core technology, SoundEngine, was also spawned during the H30 project. Mar 20, 2020 · The power amplifier module is the same as in the Röst, but Hegel has installed a new and better DAC, and the pre-amplifier step has reportedly also been enhanced. Hegel Hegel H30 Power Amplifier (Silver) RM 65,000. Hegel H20 Stereo Power Amplifier The Hegel H20 sounds like a good push-pull amp with the benefit of the SoundEngine technology not apparent in audition. Quick View. May 22, 2012 · The Hegel H30 power amplifier reviewed here is a case-in-point. The input to the turntable is excellent. However, to get the most out of the amplifier's superior sound and music quality, we have provided a brief description of the connections and use of the amplifier in order to provide a total music experience. New too the H20 is bead blasted and anodized top and sidecovers. With a power rating of more than 1,1 kW in 8 ohms, it is on the verge of being easier to measure the H30 in horsepower. instruction/owners manual - jalal1926. Stop/Eject for Hegel CD-players 12. Mar 18, 2024 · The power amp is a class AB design and features Hegel’s SoundEngine feedforward correction system, DualAmp voltage and current gain stages, separate low-level and high-level power supplies, along with a damping factor in excess of 4000. jpg When the power amplifier starts clipping, this will reflect in the RCA pre out as well. The company – and we can imagine its accountants are in agreement – envisages the P30A being paired with two of these monstrous units. The H30 isusing a new and improved version of the patented Hegel SoundEngine amplifiertechnology. 1kW into 8ohm. Hegel’s story began in 1988 at the Technical University in Trondheim, Norway. Nov 23, 2023 · This is now a Hegel design standard and sees the amp consuming only around 1. The Hegel H20 Power Amplifier is the pacesetter in the world of premium audio engineering. Dec 12, 2023 · hegel h30 power amp, can be used as a stereo amplifier 350 wpc into 8 ohms or monoblock amplifier 1100 wpc into 8 ohms!!! this amp is in "like new" condition and only marked as condition "9" just because it is used, i know of zero flaws on this amplifier! look up all of the stellar reviews for this norwegian built amplifier on the web! Hegel H20 Stereo Power Amplifier Highlights Product: Hegel H20 Stereo Power Amplifier Product SKU: 68434 Serial Number: H2012226 Input Voltage: 120V Cosmetic Description: Good cosmetic condition with some minor visible cosmetic wear including some tiny nicks along the bottom of the faceplate, along with nicks, scuffs, and scratches around the chassis surfaces. $5,999. Volume up for Hegel amplifiers 13. Integrated amp with network/USB inputs. Jun 20, 2013 · The amplifier stage features a robust dual-mono 1000VA power supply with 90,000uF capacitors and an output stage formed by twenty 15A 150W high-speed bipolar transistors. Up to 5 channels of 150w/pc analog amplifier power, with enough Ooompf to boogie with almost any loudspeaker on the market. brochure - jalal1926. Specifications. from Feb 5, 2024 · The Hegel H390 amp is a real explosion of power, which at half the price of the H590 gives almost the same listening pleasure. Oct 21, 2024 · Buy / Sell / Trade / Consign - Edwards Home Entertainment and Design (EHEAD) has been a premier seller of carefully selected, pre-loved high end audio equipment since 1997 and is now an authorized dealer for McIntosh (displaying C2800, C22, C12000, MC462, MC275vi, MC1. Read the full review in Issue 468. This further reduces all types of distortion. After my review of the Hegel H400 streaming integrated amplifier was published in Stereophile's October 2024 issue, it finally received Roon Ready certification. Hegel released the excellent half-sized V10 phono stage, a perfect adjunct to the pre and power amp. RM 16,800. FEATURES Quoted power output: 2x 60W (8ohm) Digital inputs: 1x coaxial (RCA); 3x optical; 1x USB-B; Ethernet port Analogue inputs: 2x stereo RCAs 6. H600 sound quality As this is probably the main part of any review a reader is interested in, let me sum up the H600 in one word: impressive. com Power play Hegel’s latest integrated sets out to score a hole in one. Power cables --Dynamic Design Lotus and Spirit; Power conditioner --IsoClean 60A3; Accessories --Epiphany Stand Systems Celeste Reference; Hegel Music Systems H20 Stereo Amplifier Price: $5750 USD. The Norwegian company’s integrated amplifiers sounded good at shows and received highly positive reviews from our own Kirk Midtskog (in Issues 206 and 211), with the H200 earning a Product of the Year Award in 2011. Which for many will be an argument in favour of choosing the H190V. Our Hegel H190V integrated amplifier review reveals why this powerhouse continues to set the benchmark for excellence in audio reproduction. The amplifier is a dual mono design, bringing it as close as possible to the performance of two mono amps in a single box. Intro 0:00 Comparisons: 1:40Inside Look: 5:43Dislikes: 6:24Mark On HiFi's MA5300 A truly rigid design with well over 1,5 kg of aluminium in thefront panel alone. Hegel H20 Power Amplifier - BLACK $ 6,500. Meet the Hegel C5 series. At our usual definition of clipping, which is when the THD+N reaches 1%, the H400 did not meet its specified output power of 250W into 8 ohms (24dBW), clipping at 225Wpc (23. engulfaudio 10790 County Road 1 Oct 10, 2024 · Hegel's app provides access to hundreds (perhaps thousands) of radio choices. Thanks to SoundEngine technology, efficient power supply, and the refined power amp section in Hegel amplifiers, this parameter reaches values from 500 to even 4000. Switches up to next input on your Hegel amplifier 11. Its industry-leading damping factor ensures extremely low distortion levels and full control of your loudspeakers, resulting in a natural, rhythmic, and dynamic sound that sets it apart in the market. Introducing the Hegel H20 Power Amplifier. This adds to the exclusive look, and the overall design is moreconsistent. com Price: £4900 A little over half the price of the mighty H590 amp, in a slimmer design and with very Dec 15, 2019 · Although both amps are specified to output 250Wpc into 8 ohms, the H390’s power-amp section -- like the H360’s, it includes Hegel’s patented SoundEngine, a feed-forward approach to distortion reduction (see our October 2017 video about this) -- is based on their flagship H590 integrated amplifier-DAC (301Wpc into 8 ohms, $11,000). ECO – will put certain Hegel equipment in low power mode 6. 00. Hegel Music Systems - Power static-aside-menu-toggler Fig. 35mm headphone output . 4 plots how the THD+noise percentage in the Hegel's output varies with power into 8 ohms with both channels driven. That should be sufficient to boss even the unruliest speaker. Stereo Power Amplifier (2006-19) add a review. 00 RM 39,000. Add to cart. The Hegel amplifier’s sound has always been highly recognizable, and I can feel the Hegel integrated amplifier’s consistent characteristics when listening to the H95. Personally I prefer the Hegel as a whole in this set-up, the built-in DAC, the line amplifier and the power amp are truly catalysts for each other. Jul 4, 2020 · Wrong. The Hegel H20 incorporates the latest version of the Hegel FET-technology. The H400 is engineered to deliver exceptional audio quality while maximizing efficiency and enhancing the user experience. Even twelve years ago, digital inputs were becoming increasingly common on stereo amplifiers, and it seemed wrong to omit them from the preamplifier. Hegel US Patent no. Hegel H4. Progress is a one way street and so for our power amplifiers. 275. The Hegel H20 is a remarkable power amplifier with power capabilities of more than 130 Ampere. However, the biggest differences are with the digital inputs. Manual Library / Hegel. Warranty: Three years parts and labor. This is the finest integrated amplifier-DAC combination I’ve heard in my time as a reviewer. The massive H30 mono power amplifiers from Hegel play any loudspeaker in the world with ease and authority. Downloads. The H30 is developed as a monoblock, but there is also the possibility to use it as a stereo power amplifier to start with if you are on a budget. The Hegel H400 amplifier, affectionately nicknamed Streamliner, is a masterpiece of streamlined design and performance. Ending: 03/08 at 04:09 PM ET. HiFi Centre: Vancouver's High End Audio Video Showroom - Work with our experts to find the components you're looking for from B&W, Naim, Mcintosh, KEF, Linn, Rega, Sonos, Denon, Marantz, Sonus Faber and more. This is no US high-end super-amp of course, but the Hegel delivers a good deal of power plus lots of detail – and strings it altogether in a musically coherent way. Box 2, Torshov NO-0412 Oslo Norway Phone: +47 22-60-56-60 Fax: +47 22-69-91-56. When the pre amp output is more than 550 mV, the speaker output will be clipping and that will influence the performance of the pre out. Remarkably, Hegel includes with this outstanding amplifier a topflight DAC that can easily rival external DACs costing thousands of dollars. The H360 represents some of the latest engineering and manufacturing acumen at Hegel. Nov 20, 2019 · Hegel's specs confidently state that 2 ohm loads are supported, making the H390 a viable option for difficult-to-drive electrostatic or planar magnetic speakers. Manufacturer of hi-end audio electronics - amplifiers, preamplifiers, power amplifiers, D/A converters, HEGEL DEALERS: ALABAMA. As with its predecessor, the damping factor is 4,000 in 8 ohms to give full control of the bass regardless of speaker impedance. Alan Sircom investigates. Play/Pause for Hegel CD-players 9. The power amp is a class AB design and features Hegel’s SoundEngine feedforward correction system, DualAmp voltage and current gain stages, separate low-level and high-level power supplies, along with a damping factor in excess of 4000. Most amplifiers have under rated power supplies. That class-AB amplifier is specified to provide up to 250Wpc into 8 ohms. In my experience, every amp-speaker combination imposes a unique character on the music. Amongst the highest damping factor in the industry, and full control of the loudspeakers. Oct 22, 2024 · This amp bested everything I tried under $18K retail in my system. Display on/off (hold for off) 7. 30kW (48A) into 1ohm [see Graph 1]. Primaluna Primaluna Evo 300 Power Amplifier. Jan 17, 2019 · A Good amplifier requires a adequate power supply, It does not matter what the amplifier is capable of if the power supply will not provide the power required. SE; Power output: 300 watts per channel into 8Ω (stereo) The Hegel H20 is a remarkable power amplifier with power capabilities of more than 130 Amperes. Hegel's story began in 1988 at the Technical University in Trondheim, Norway. See figure below: Layout. Meticulously engineered with the newest FET-technology, this amplifier eradicates distortion for an enchanting musical symphony that teems with splendid detail and seductive bass. But without the same explosive price tag. Rated at 250W/8ohm Made by: Hegel Music Systems AS, Oslo, Norway Supplied by: Hegel Music Systems AS Telephone: +47 22 605660 Web: www. 00 Feb 6, 2025 · The H190v integrated amplifier could have been just the former H190 with a built-in phono stage, but Hegel has enhanced the circuitry, resulting in a remarkable transformation. The company has dealers in 53 countries and its products are sold all over the world. 00 Hegel H30A Reference Power Amplifier $ 18,995. Hegel H20 Power Amplifier The Hegel H20 incorporates the latest version of the Hegel FET-technology. It carries forward the time-honored, forward-thinking traditions of Hegel, enhanced by a bevy of exquisite technical features for an unparalleled auditory experience. The Hegel H600 is an exceptional integrated amplifier - effortless and pristine at any volume. Jun 23, 2020 · Ever since the monster Hegel H590, costing nearly ten thousand euro, knocked us for six, we’ve been waiting for Hegel to make a junior sibling with equally explosive sound. The Hegel C5 series: 3, 4 or 5 channel power amplifiers are rack-mountable, configurable, specified to your needs and will - most importantly - blow you away with their sound performance. The power and control this integrated offers cannot be understated or underappreciated. Manufacturer of hi-end audio electronics - amplifiers, preamplifiers, power amplifiers, D/A converters, CD-players and custom installation amplifiers. Skip to next track on Hegel CD-players 10. These numbers are largely unchanged from the outgoing H590 flagship [HFN Oct '18] as is its near-identical dynamic prowess of 327W/8ohm, 641W/4ohm, 1. Sound too good to be true? Well, it used to be, but not any longer. The H30 is our best power amplifier ever and is definitely a combatant for being the best power amplifier in the world. Aug 5, 2014 · Since my review of the H100 integrated amplifier in September 2010, the Norwegian company has released three DACs, a preamp, a headphone amp/DAC, a power amp, and two integrateds, as well as updating a power amp already in the line. And Hegel used to make the HD30 DAC and the Mohican CD player. Whether you are an audiophile or a casual listener, the H400 promises a remarkable listening journey. Because the H590 lies in a price range where most people would sooner consider a separate pre-amp and power amplifier. Hegel’s Dual Power uses a separate power supply for Dual’s voltage amplifier and power amplifier circuits, reducing distortion and obtaining a higher dynamic range. A power amplifier circuit must be matched with a power supply circuit with strong power supply capability to ensure stable output under the condition of a continuous working state. The company’s patented SoundEngine technology has been further updated, and some of the rigorous parts-matching protocols, once only applied to Hegel’s top power amp (H30), are now also apparently applied to the H360. Feb 19, 2025 · Hegel H400 streaming amplifier. 5. Elevate your auditory journey with the undefeated Hegel H30 A Power Amplifier, an unrivaled beacon of innovation and master of power amplification. It has both balanced (XLR) and unbalanced (RCA) inputs and a 12V trigger input. The H30A’s job is to take command of any music on any speakers and make it sound as good as possible without ever breaking a sweat, and we can think of no more challenging music than a large orchestral piece. In the H30A the bass is tremendously deep, but never dominating. Hegel also separates the low-voltage portion of the power amplifier’s input section from the high-current portion of the output section with different power supplies. This adds to the exclusive look, and the overall design is more consistent. 104 Control In Out High End Pre Amplifier Hegel, Oslo, Norway R L Inputs CD Video Aux Right Left Left RCA 1 Audio Outputs Right RCA 2 Right Left Balanced 1 Sep 13, 2023 · Product: Hegel H95 Type: Network-attached integrated amplifier. Unmistakably HEGEL, with the characteristic arched front panel, and uniquely user friendly with its single front push button. Certainly lifting the 25kg of this latest Hegel offering confirms this is a whole lot of amplifier, and The higher the damping factor, the better. Hegel strikes me as a company driven by original engineering aimed at offering the highest possible sound quality Feb 6, 2025 · Hegel H30A Stereo Power Amplifier (73538) Listing ID: lisbd35f Classified Listed February 6, 2025 4:09pm · 6 Views. The Hegel H10 Power Amplifier is easy to connect and operate and requires no prior technical knowledge. Skip to previous track on Hegel CD-players 8. They had been in production for years – the oldest models in the range by a large margin. 00 Hegel H400 Integrated Amplifier $ 6,995. It is an incredible achievement, and proper kudos must be given to the engineers at Hegel. Select options Sep 7, 2022 · The Hegel H30A is designed as a mono power amplifier, but it can also be used as a stereo power amplifier. According to Bent Holter, Hegel’s chief designer, this reduces distortion brought about by large, simultaneous voltage and current swings in the two respective gain stages. Hegel Music Systems P. Hegel C55. What is Included: Amplifier, Manual, Power cable, Factory packaging Functional Notes: Operational condition of Mar 7, 2024 · The Hegel H190v amplifier’s integrated network player lets you listen to music via AirPlay, DLNA/UPnP, Spotify Connect and Roon. usdkcam tdi ldz nlhknr ykzvf drsqz muhvlz xwoeh hdageg chms ldjj etg tyuo yqds xcm