Hegel H30A
The H30A combines commanding bass control with huge, precisely scaled images, making demanding loudspeakers sound startlingly physical and alive. Its 1,100W monoblock capability, vast power supply and low-noise design deliver explosive dynamics, grain-free clarity and a deeply focused soundstage. This is a reference-grade powerhouse for systems that prize neutrality, control and lifelike musical presence.
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Deliciously Crispy
Sound Quality
94/100
Build Quality
93/100
Value for Money
85/100
Pros
Exceptional imaging creates large, rock-solid, correctly scaled instruments with remarkable depth and focus.
Authoritative bass control and dynamic snap give acoustic instruments convincing physical presence.
Neutral, clear and extended presentation remains free of grain while preserving fine detail.
Massive output and stable load handling can confidently drive demanding loudspeakers.
Cons
Its revealing treble does not soften aggressive recordings, which can sound slightly abrasive at realistic levels.
At 104.5 pounds and nearly 26 inches deep, it is difficult to move and demands substantial placement space.
High input sensitivity can limit usable volume-control range with higher-gain preamplifiers.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 94/100
Reviewers found the H30A exceptionally clean, neutral and composed, combining substantial power with unusually vivid image formation. Its presentation is highly revealing rather than forgiving, with one reviewer noting that abrasive recordings can remain slightly abrasive at realistic levels.
Transparency Resolution
94/100
The H30A was described as clear, free of grain and true to the signal, with a clear and extended top end. It does not sweeten roughness in recordings, however, and realistic playback levels can expose a trace of abrasiveness in the highs.
Tonal Balance Musicality
92/100
Jason Thorpe found the amplifier neutral, composed and able to increase the sense of realism and involvement in performances. Instruments gained convincing physical presence, including a guitar that not only sounded real but felt real, while the overall voicing remains honest rather than warmly flattering.
Dynamics
94/100
The H30A delivers formidable control and impact, with bass that physically "whomped" the reviewer in the chest and a crackling sense of power through the upper bass and midrange. It was also praised for speed and dynamic snap, and measured output came close to its immense 1100W mono rating.
Soundstage Imaging
96/100
Image formation is the standout strength: the H30A produced huge, correctly scaled instruments with rock-solid focus and remarkable depth. The center-stage piano was described as so solid, vital and real that it took the reviewer’s breath away.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
93/100
The 104.5-pound H30A is described as well built rather than needlessly overbuilt, with a solid-aluminum faceplate and substantial aluminum side panels. Its serious engineering includes dual 1000VA transformers, 270,000µF of filter capacitance, balanced and RCA inputs, heavy-duty speaker terminals, and stereo/mono operation.
Value for Money
85/100
At roughly $17,000 to $20,000, the H30A sits in an ambitious reference-amplifier segment. The H30A-specific review strongly preferred its sound in comparison with other high-end amplifiers, but it does not directly assess whether the H30A is especially competitive or compelling for its asking price.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
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Specifications
- Output power
- More than 1100 W in 8 ohms @ 1kHz 1% THD, 100/120/230V AC (mono)
- Min. load impedance
- 1 ohm load
- Inputs
- RCA unbalanced and XLR balanced
- Speaker outputs
- One pair of heavy duty gold plated terminals
- Input impedance
- Balanced 20 kohm, unbalanced 10 kohm
- Signal to noise ratio
- More than 100 dB
- Crosstalk
- Less than -100 dB
- Distortion
- Less than 0.003% at 100 W in 8 ohm
- Intermodulation
- Less than 0.01% (19 kHz + 20 kHz)
- Damping factor
- More than 500 (mono)
- Power supply
- 2000 VA dual mono, 270,000 μF capacitors
- Output stage
- 56 pcs 15 A 200 W high speed, ultra-low distortion bipolar transistors
- Power consumption
- 120 W in idle mode
- Finish
- Black
- Dimensions/weight
- 24 cm x 43 cm x 57,5 cm (HxWxD), weight 47,4 kg
- Dimensions/weight US
- 9.4" x 17" x 22.6" (HxWxD), 104.5 lbs
Manufacturer's Description — Hegel
The Orchestra
The H30A is The Orchestra. With its immense power, speaker matching is no longer an issue. The Orchestra can play any "venue", be it large stadiums or small cellar clubs, and with its unsurpassed skill and attention to detail, no music is too challenging. It conveys all music like you never thought possible. No matter what or where it plays, The Orchestra will always perform at its best. The H30A is the best orchestra you will ever experience.
Uncompromising Command and Control
The H30A is our reference power amplifier. We have nicknamed it The Orchestra because that is what it is. 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. The H30A is an absolute powerhouse of an amplifier. In its mono state it delivers a truly astounding 1100 watts in 8 ohms, and it is completely stable even with 1-ohm loads. To achieve this, we have applied all our skills and knowledge in amplifier design and combined that with the best electronics. The H30A power supply uses 2 separate 1000 VA toroidal transformers for fast response and minimized transformer hum. With a power bank of 270,000 μF capacitors, the H30A can handle even the most challenging piece of music at any volume, it always has enough power in reserve. In the output stage we use 56 pieces 15A 200W high speed, ultra-low distortion bipolar transistors. With so much power ready at any given time, things like speaker sensitivity and variation in loads no longer come into play. With the H30A you can confidently drive any speaker you like.
Distortion Eliminated, Detail Preserved
Power is however nothing without the details to match. In a large power amplifier like this, the input stage is especially vulnerable to electrical interference distorting the music signal. One troublesome type of distortion is higher order harmonic distortion. It is a type of distortion that is far removed from the original music frequencies and can often make the amplifier sound harsh and unmusical. In the H30A input stage we eliminate this by using single pair FET transistors. These are carefully hand matched transistors that have the exact same values, and therefore they have no higher order harmonic distortion. Other types of distortion we cancel out with our patented SoundEngine technology. This actively monitors the music signal for corruptions and corrects for distortion using a feed forward design. SoundEngine effectively removes distortion in real time as the signal is amplified. These measures make the H30A sound very smooth and natural, without compromising on the details.
Mono or Stereo, Always Supreme
The H30A is designed as a mono power amplifier, but it can also be used as a stereo power amplifier. It has both balanced (XLR) and unbalanced (RCA) inputs and a 12V trigger input. For the best possible connection, the H30A features high quality, gold-plated speaker binding posts. Usually, when going from one amplifier to a more powerful one, you experience more of everything. More bass, more details, more involvement - everything is just more. With the H30A we have reached a whole new level of differences. Because the H30A is so immensely powerful and detailed, the concept of "more" simply becomes irrelevant. In the H30A the bass is tremendously deep, but never dominating. The high frequencies are exceptionally detailed, but never fatiguing. And the articulation of vocals in the midrange is just sublime. At this level, what you experience is simply total control. The H30A is an amplifier that can drive virtually all known loudspeakers with authority and ease. It never sounds forced, only relaxed and musical. The H30A is the spearhead of our amplifier technology. It is the large orchestra that brings life to any music in any venue.
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Authorized dealers for Hegel H30A
- Aalen Hifi — in-store — Schwäbisch Gmünd, Baden-Wurtemberg, Germany (website)
- Accessories 4 less — online and in-store — Apopka, Florida, United States (website)
- Ajasom — online and in-store — Amadora, Lisboa, Portugal (website)
- All Elite Audio — online and in-store — Perry Hall, Maryland, United States (website)
- Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
- Altitudo Audio — online and in-store — Winnipeg, Manitoba, Canada (website)
- Anagram Audio — online and in-store — Bury St Edmunds, England, United Kingdom (website)
- Analogue Seduction — online and in-store — Whittlesey, England, United Kingdom (website)
- Area Hifi — online and in-store — L'Eixample, Comunidad Valenciana, Spain (website)
- Aris Audio — in-store — Salt Lake City, Utah, United States (website)
and 156 more verified dealers