94%
Norma Audio REVO IPA-140
– Extreme low noise, high speed schematic topology and wide band ( >2 MHz ).
– High current MOS-FET power device (150 A output peak current).
– 12 power device for a total rated 1.500 W power handling capability.
– Separate power supply for Gain, Driver and Output stage.
– High speed and low noise regulated power supply for gain and driver stage.
– High filtering capacity (70.000 uF) with numerous (24) low impedance capacitors.
– Full aluminium non-magnetic frame
– Toroidal power transformer specially designed for audio applications, low dispersion flow. low mechanical noise, high permeability magnetic core with consequent low output impedance, 2 x 400 VA.
– Input configurable as Direct Inputs, for Home Theater use.
– Outputs configurable as Pre Out, Active or Passive, for use with Power Amp and/or with Active Subwoofer.
– XLR balaced input.
– Remote control of all functions with NORMA RC-4 remote control.
– Two-speed volume control (Fine and Fast).
– Possibility oto set the PHONO board inside, with 2 mono boards for Left & Right channel.
– High quality phono stage, for MM and MC pick-up.
– Possibility to set the high quality USB-DAC board inside, 192 KHz, 24Bit.
– Protection for DC signal sensitive speakers.
– Inputs selection by relay with GOLD/PALLADIUM contacts.
– RCA solid core gold plated plug connector for any signal connections.
– Stand-by mode switches off the microprocessor one the command is executed, so as to annul any interference towards analogue signal.
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Norma Audio REVO IPA-140
The Norma Audio REVO IPA-140 is a muscular, exquisitely built integrated amplifier whose standout quality is effortless, orchestra-scale dynamics and current delivery. Its dual-mono 140W-per-channel topology, twin toroidal transformers and claimed >2MHz bandwidth translate into fast, uncompressed transients and a wide, holographic soundstage. Reviewers from HiFi Choice noted its dynamic heft, while StereoNET highlighted delicate treble and a crystalline midband, and StereoLife Magazine praised its refined build and spatial realism. The IPA-140 blends sweet, non-fatiguing treble with a rich, human midrange and bass that is both physical and agile. Housed in a brushed-aluminium 25kg chassis with meticulous internal layout, it suits demanding loudspeakers, vinyl enthusiasts (optional phono) and listeners seeking an integrated that pairs reference-class performance with practical, upgradeable features.
Pros
- Reference-class dynamics and current delivery — high peak-current design yields uncompressed, effortless transients and slam.
- Natural, lifelike midrange and sweet, non-fatiguing treble that preserves vocal presence and harmonic detail.
- Exquisite dual-mono construction and premium build quality — twin toroidal transformers, heavy brushed-aluminium chassis and meticulous internal layout.
- Versatile features: configurable phono board, configurable inputs/outputs and an optional AKM-based USB DAC for high-resolution digital.
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Cons
- Onboard digital I/O is limited by default — the high-quality USB DAC is optional, so full digital capability requires buying the module.
- Key upgrades (phono and DAC) are sold separately and add to the total system cost despite excellent onboard line performance.
Sound Quality
93/100
Dynamics
94/100
Reviewers consistently report abundant headroom and current delivery ('unburstable', 'vast reserve of power', 'iron grip') with effortless transient speed and slam (HiFi Choice, The Sound Advocate, StereoLife). Given its dual-mono Class AB 140W topology, the amp's dynamic performance is repeatedly described as reference-calibre for its class.
Soundstage Imaging
92/100
The IPA-140 is frequently described as holographic and three-dimensional with a wide, deep, stable image and excellent layering of overtones (HiFi Choice, StereoLife, StereoNET). Reviewers note a panoramic presentation and very good instrument/singer placement, producing convincing spatial realism.
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Build Quality
94/100
Build is repeatedly praised as exquisite and heavy-duty (25kg, twin toroidal transformers, brushed aluminium chassis) with meticulous internal design and clever thermal/physical layout (HiFi Choice, StereoLife, The Sound Advocate). Reviewers emphasise premium materials and construction consistent with high-end manufacturing.
Features Connectivity
94/100
Generous connectivity: four RCA line inputs, single XLR balanced input (+2), optional high-quality USB DAC module based on AKM4391 (+5), configurable MM/MC phono board (+4), subwoofer and tape outputs (+1 each), remote control (+1). Dual-mono topology and active/passive preouts add practical flexibility; feature set maps to a very well‑equipped integrated in its class.
Value for Money
92/100
Multiple reviewers call it 'extremely good value', a 'best-kept secret' and recommend it as a top pick under the ~$8k–$10k bracket (StereoNET, StereoLife, Audiophilepure). Given the sound, build and optional high-quality modules, reviewers judge the price-performance as justified and competitive in its segment.
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