91%
Valvet A4e
NEW from 07/2023
- new 800 Watts transformer (was 500 Watts)
- inrush current limiter
- Furutech Rhodium AC input
Long running pleasure:
The VALVET A4e mono blocks are currently the most potent power amplifiers in our line-up. Again, long term satisfaction, real value and reliability are key values. Those who own these power amplifiers can put any worries about amplification to one side for a very long time!
What the A4e conveys in terms of musical information is simply breathtaking! We encourage you to compare them to the top brands and then decide which delivery gives you the greater pleasure.
Performance and dynamic.
The A4e amplifiers are extremely quick, controlled and powerful. They don’t force themselves onto the music, but rather support its flow and the listener’s involvement. Compared to the A4 power amps they deliver even more fine details and play even more effortless and natural.
The A4e mono blocks have an output of 65 watts per channel into 8 ohms and 105 Watts into 4 Ohms. We believe that you will not feel the need for more power for a long time.
The A4e power amplifiers, in common with all other VALVET amplifiers, have an extremely stable power supply which gives them an excellent ability to deliver current, thus keeping even the most difficult speakers on the market on a tight leash.
The A4e mono blocks operate in Push-Pull Class A mode with just a single pair of transistors in the output stage. We believe that the common practice to employ several transistors in parallel required to produce a higher output is detrimental to the sound quality.
Dealers selling Valvet near you
Valvet A4e
The Valvet A4e monoblocks pair boutique build with muscular, refined delivery—most notable for their micro-resolution and transient authority. Reviewers praise the amps' upgraded upper-treble clarity and pin-point imaging, which makes cymbal detail and instrument placement unusually vivid (Jochen Reinecke). The outsourced 500‑VA toroidal power supplies per channel and monoblock topology provide generous headroom and slam, supporting articulate bass and uncompressed dynamics while retaining a warm, lush midrange (Audiophilepure). The casework is robust aluminium with bFly-audio decoupling feet and premium connectors; finishes include black or silver anodized faces. Ideal for listeners seeking high-resolution musicality with real-world punch and for pairing with both efficient speakers and solid‑state preamps. The A4e rewards critical systems that prioritise imaging, speed and tonal richness.
Pros
- Marked improvement in upper-treble micro-resolution and pin-point imaging, revealing cymbal detail and precise instrument placement.
- Exceptional dynamics and headroom—external 500 VA toroidal power supplies per channel and monoblock topology deliver strong transient grip and speaker control.
- Musical, lush midrange that remains resolving—engaging presentation without becoming harsh.
- Robust, high-end construction: thick aluminium chassis, bFly-audio decoupling supports and premium WBT/Neutrik connectors with attractive finishes.
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Cons
- Significant price increase over the previous A4 model, placing the A4e in a higher-cost boutique bracket.
- Monoblock form factor plus external power supplies add weight and require extra space—each channel ships with a heavy PSU.
Sound Quality
91/100
Dynamics
91/100
Reviewers repeatedly praise the A4e's headroom and slam: Fidelity writes the monoblocks "mobilise enormous energy...without limits, compression or distortion" and notes the amps have become "even faster." Audiophilepure also highlights musical panache rather than brute force, and the external 500 VA toroidal supplies per mono provide the current reserve that supports authoritative delivery. The monoblock topology (+1 modifier) and increased continuous output (65 W into 8 Ω, 105 W into 4 Ω) further support excellent transient grip and speaker control.
Soundstage Imaging
92/100
Fidelity specifically notes a "marked improvement in locatability" with "pin-point spatial orientation" and increased micro-orientation within the plane (e.g., precise localisation of stick hits on cymbals). The reviewers report stable, detailed imaging under musical load, which indicates the amp preserves and even refines spatial cues while driving real speakers.
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Build Quality
91/100
Construction and PSU design are highlighted: each mono uses its own external power supply with a 500 VA toroidal transformer, the chassis is thick aluminum (2.5–38 mm), and the amps and PSUs sit on bFly-audio decoupling supports. The monoblock form-factor is confirmed and contributes to superior power-supply decoupling and channel separation, supporting a high build-quality assessment.
Value for Money
90/100
Reviewers explicitly state the price rise is justified: Fidelity says the improved mono amps "are actually better...the price difference is entirely justified" after a jump from €4,750 (previous model) to an introductory €6,900; Audiophilepure calls them "the real deal" (listing $9,890 in its headline). Given the A4e's measured outputs (65 W into 8 Ω, 105 W into 4 Ω), boutique monoblocks in this price band sometimes trade higher wattage or different topologies, but reviewers accept the premium for the A4e's combination of musicality, improved resolution and robust power supplies — a justified-premium placement in its competitive segment.
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