Merrill Audio JENS Phono Stage Preamplifier
The Merrill Audio Jens brings silent backgrounds, tube-like warmth, and startling transient bite to low-output moving-coil playback. Jeff Sirody heard deeper bass, vivid shimmer, and precisely layered orchestras, while Scot Hull admired its seamless extension and dimensional ease. With 70dB gain and wide loading adjustment, it is a reference-level stage for systems ready to reveal every textured, dynamic nuance.
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Deliciously Crispy
Sound Quality
94/100
Cartridge Compatibility
84/100
Build Quality
91/100
Value for Money
95/100
Pros
Exceptionally low noise floor reveals microdetail and deeper soundstage depth.
Full-bodied, organic tonal balance combines tube-like warmth with extended highs, deep bass, and natural instrumental texture.
Strong dynamics and precise imaging keep large orchestral passages distinct and uncongested.
Adjustable 25-ohm-to-5k-ohm loading provides useful matching flexibility for many low-output moving-coil cartridges.
Cons
Fixed high gain and single-ended operation limit versatility, particularly for moving-magnet and very-low-output cartridge users.
Rear-mounted loading controls and purist functionality are less convenient than more fully adjustable rivals.
Its premium price places it firmly in high-end systems of commensurate quality.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 94/100
Reviewers describe an unusually resolved yet organic presentation, combining tonal richness and exceptionally clean backgrounds with forceful transients and spacious imaging. Its character is full-bodied and tube-like without sounding rolled off, while preserving exceptional air, detail, and musical coherence.
Transparency Noise Floor
95/100
Jeff Sirody reported a background of “dead silence—absolutely no noise at all,” which exposed more microdetail and greater depth. Scot Hull likewise called it a quiet preamplifier, while also praising its apparently limitless top-end extension and exceptional air.
Tonal Balance Musicality
95/100
Sirody heard timbral accuracy comparable to the finest digital systems he has encountered, along with a fleshy, textured, natural presentation. Hull described the Jens as warm, full, seamless, and tube-like, but specifically not rolled off; instruments retained bite, shimmer, and natural decay.
Dynamics
93/100
Percussive attacks were said to hit harder and faster, with more vivid acoustic envelopes and a stronger sense of musical life. Sirody also heard large-scale passages remain uncongested through big loudspeakers, while Hull noted more sharply defined transient textures.
Soundstage Imaging
94/100
Reviewers heard precisely located instruments with convincing body, even during demanding orchestral passages where sections remained distinct and stable. Hull similarly described large, deeply dimensional spaces within the stage, and Sirody linked the silent background to hearing further into recorded depth.
Assessments of Build Quality, Usability, and Overall Propositions.
Cartridge Compatibility
84/100
The Jens is purpose-built for moving-coil use, with fixed 70–72dB gain and continuously adjustable loading from approximately 25 ohms to 5k ohms. That loading range offers useful latitude for many low-output MC cartridges, but the fixed high gain and single-ended implementation make it less broadly adaptable than a fully configurable MM/MC design.
Build Quality
91/100
The two-chassis solid-state design uses steel or stainless-steel enclosures, an external supply, isolation footers, and pure-copper Furutech RCA connections. Merrill describes extensive power isolation and multiple local regulation stages, while reviewers note the shielding-oriented chassis construction and substantial 30-pound main unit.
Value for Money
95/100
At approximately $15,449–$15,499, the Jens is plainly a costly specialist component intended for a system of commensurate quality. However, Part Time Audiophile called it potentially the least expensive product at its performance level and an “ultri-fi” bargain, a notably strong endorsement in this market segment.
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Specifications
- Gain
- 70 dB
- Load Impedance
- 25 Ω to 5 kΩ
- Headroom
- Excellent transient volume
- Power Supply
- External
- RIAA Equalization
- Better than 0.1 dB
- Input Type
- Single ended
Manufacturer's Description — Merrill Audio
Jens is a dream. An enchanted nostalgic love ? vinyl, the record, the stylus in the groove, spinning that sweet music.
It took seven years to realize the dream. Jens was a whisper, a rumour, something extraordinary was happening, something was being born. Finally we brought Jens, one of the finest phono stages ever created, into the light.
Building Jens was hard.
Because the output from a fine moving coil cartridge is in the microvolt range the amplification factor is very large ? perhaps a thousand times or more. Any electrical interference entering the system, or any noise from the unit’s internal circuitry may enter the amplification stage to swamp parts of the signal, and if we lose even a tiny part of that it is guaranteed that we have lost essential musical cues, inflexions, subtleties and micro data from the recording which can place us back in that moment, in that concert hall or recording studio. We don’t want this. We want to hear everything.
The key is silence. Jens is a void, a black backdrop against which the music, the event, the performance, spirals out of the groove. The legend is here. Re-discovering your treasured vinyl collection with Jens in charge is a joy like no other. Priceless times, to be enjoyed over and over.
With Jens we thought long and hard about dynamics, the light and shade of music, the entire range of sounds from the subtlest spatial cues to the loudest timpani rolls, trumpet fortissimi and power chords.
Dynamic range can be an issue for vinyl, compared to newer formats, but it really depends on the quality of mastering. A well recorded, well mastered LP will leave nothing to be desired with Jens in the replay chain. You may discover a new confidence and wonder in the power of vinyl to seduce and startle by turns. Jens holds it all in perfect equilibrium. Sit back, enjoy.
Jens is the ultimate tribute to our precious heritage of vinyl recordings; special, unique times, locked into a curling trace, in a black disc, now revealed by Jens at a new level of detail, coherence and musicality.
Jens. Let the music play.
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Authorized dealers for Merrill Audio JENS Phono Stage Preamplifier
- Distinctive Stereo — in-store — River Vale, New Jersey, United States (website)
- J&J Audio Solutions — in-store — San Jose, California, United States (website)
- soundstage ultra — in-store — El Cajon, California, United States (website)
- Technology Factory — in-store — Antwerpen, Vlaanderen, Belgium (website)
- The Analog Shop — in-store — Victor, New York, United States (website)