Audio Research Reference Phono 10
Audio Research’s Reference Phono 10 brings lifelike vinyl realism to ambitious analogue systems, with unusually flexible gain, loading and equalization for MM and MC cartridges. The Absolute Sound regards it as ARC’s most faithful phono design yet, making its reference-grade transparency, tube-driven musical authority and dual-chassis execution especially compelling.
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Nicely Roasted
Sound Quality
89/100
Cartridge Compatibility
94/100
Build Quality
84/100
Value for Money
85/100
Pros
Exceptional fidelity and lifelike realism, judged by The Absolute Sound as ARC’s finest phono preamp to date.
Broad MM/MC compatibility through selectable gain, extensive loading options and RIAA, Columbia and Decca equalization.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 89/100
The available review offers an unusually emphatic overall verdict, calling the Reference Phono 10 ARC’s highest-fidelity phono preamp and one of the market’s most realistic designs. It gives no specific reservations, though it does not separately detail noise, dynamics, or spatial performance.
Transparency Noise Floor
88/100
The Absolute Sound’s description of exceptionally high fidelity and realism supports a very clean, revealing presentation. It does not directly describe background silence, hum, hiss, or MC-gain noise behavior.
Tonal Balance Musicality
92/100
Calling it ARC’s highest-fidelity phono preamp and among the most realistic available is strong praise for tonal credibility and musical truthfulness. The review does not characterize the balance as specifically warm, neutral, or analytical.
Dynamics
88/100
The review’s exceptional overall assessment suggests recordings are conveyed with convincing life and expressive realism. There is no direct discussion of transient attack, punch, macrodynamics, or microdynamic nuance.
Soundstage Imaging
87/100
Its realistic presentation points to strong preservation of recorded space and image integrity. The review does not provide specific comments on image focus, soundstage width, depth, or layering.
Assessments of Build Quality, Usability, and Overall Propositions.
Cartridge Compatibility
94/100
The Reference Phono 10 supports both MM and MC cartridges, with selectable low- and high-gain operation suitable for a very broad range of output levels. Selectable loading from 50 to 1,000 ohms plus a custom setting, balanced and single-ended operation, and switchable RIAA, Columbia, and Decca equalization make it notably adaptable.
Build Quality
84/100
Its separate audio and power-supply chassis, electronically regulated supplies, and automatic warm-up/brown-out muting indicate a carefully specified implementation. The available review does not directly assess casework, internal execution, shielding, reliability, or long-term ownership quality.
Value for Money
85/100
At roughly $40,000, this is a firmly reference-level purchase aimed at systems where its flexibility and stated performance can be fully exploited. The available review does not directly address whether it represents especially strong value against competing phono stages at this price.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
Online Reviews & Mentions
YouTube Reviews
Forum Mentions
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Specifications
- Frequency Response
- ± .2dB of RIAA, 10Hz to 60kHz; 3dB points below 0.3Hz and above 300kHz
- Distortion
- Less than .002% at 1.0V RMS 1kHz output
- Gain
- Selectable 51dB (Low), 74dB (High) at1kHz BAL; 45dB (Low), 68dB (High) at1kHz SE. (MC & MM compatible)
- Buttons
- Front (2) Power, Mute.
- Input Impedance
- 47K ohms and 100pF SE. Selectable loads 1000, 500, 200, 100, 50 ohms and Custom
- Output Impedance
- 200 ohms SE, 400 ohms balanced. Recommended load 50K-100K ohms and 100pF. (10K ohms minimum and 2000pF maximum).
- Output Polarity
- Non-inverting
- Phono Equalization
- (Selectable) RIAA, Columbia, Decca
- Maximum Input
- 250mV RMS at 1kHz (680 mV RMS at10kHz)
- Rated Outputs
- 0.5V RMS 10Hz to 20kHz, 100K ohm load (output capability is 80V RMS BAL output at 1/2% THD at1kHz, 40V SE)
- Power Supplies
- Electronically regulated low and high voltage supplies. Automatic 40 sec. warm-up/brown-out mute. Line regulation better than .01%.
- Noise
- 0.22uV equivalent input noise, IHF weighted, shorted(Low Gain) input (73 dB below 1mV 1kHz input). 0.055uV equivalent input noise (High Gain) (65dB below 0.1mV 1kHz input).
- Tube Complement
- (8)-6H30P dual triodes, plus (2 each) 6550C and 6H30P in power supply
- Power Requirements
- 100-135VAC 60Hz (200-270VAC 50/60Hz) 235 watts maximum. Standby 0.8 watts.
- Dimensions
- Audio Chassis: 22 lbs. (10 kg)Net; 34 lbs. (15.5 kg) Shipping.Power Supply Chassis: 35 lbs. (15.9 kg) Net; 43 lbs. (19.5 kg) Shipping.
Manufacturer's Description — Audio Research
Triumphantly validating the superiority of analog
The Reference Phono 10 is the product that triumphantly validates the superiority of analog music playback.
From the first note on that treasured LP, its greatness is at once obvious and breathtaking—the Reference Phono 10 is a sonic blockbuster that establishes the new standard in analog music playback. Emphatically.
Through the REF Phono 10, great vinyl takes on an explosive, dynamic quality that is normally encountered only in a live performance, whether it is the crescendo of an orchestra or the delicacy of a solo piano. When called for, the stage is vast, holographic, and enveloping: Dimensionality is redefined, with an engaging, ‘reach out and touch it’ quality.
The REF Phono 10 resolves so much detail without grain, delighting listeners with new information extracted from those familiar grooves. The musical experience is so much more involving and persuasive—you do not want it to end. But these are mere words that pale in comparison to the actual listening experience, Music in High Definition®.
The Reference Phono 10 is a true dual-mono design with totally separate signal paths for each channel, from the dual-mono power supply forward. There are separate high- and low-voltage transformers for each channel, with sufficient energy storage for a serious amplifier, providing incredible dynamic headroom. There are twenty stages of electronic regulation, with separate vacuum-tube regulation for each channel.
Separate amplification & power supply chassis
The audio circuits are fully discrete, pure Class-A, with zero feedback. The low gain audio section uses eight 6H30 tubes, four per channel. Rather than using a step-up transformer, special high-gain, extremely low-noise FETs are used in the high- gain section.
This approach is costlier than using a transformer, but it is well worth the dramatic increase in performance.
The design is fully balanced, with an input circuit that allows its RCA inputs to operate in a balanced configuration without requiring an inverter.
There are two sets of inputs, independently configurable, including switchable Low and High gain, seven loading options, plus Custom which can be factory-set according to your needs. In addition to standard RIAA equalization, the Reference Phono 10 also includes early Columbia and Decca equalization curves. All controls can be accessed from your seat via remote control.
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- 110Hz — online and in-store — Kielce, Województwo świętokrzyskie, Poland (website)
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