Octave Audio V 80 SE
The Octave Audio V 80 SE pairs valve warmth with muscular, transistor-like grip: rich vocals, grain-free treble and powerful bass control remain composed at serious volume. LowBeats highlights its transparent, dynamically explosive presentation, while its flexible analogue inputs, optional phono stage and tube-rolling capability make this a remarkably adaptable high-end integrated.
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Deliciously Crispy
Sound Quality
94/100
Build Quality
94/100
Features Connectivity
94/100
Value for Money
85/100
Pros
Combines natural tube richness and vocal warmth with clear, transparent high-frequency performance.
Delivers authoritative, controlled bass and strong dynamics without turning harsh at high volume.
Offers unusually broad system flexibility, including XLR, separable pre/power sections, home-theater bypass, optional MM/MC phono and compatible alternative output tubes.
Cons
Requires an extended run-in period; Stereophile found it initially overly bright, forward and difficult to listen to.
The supplied KT150 voicing may not suit every listener, with Stereophile noting reservations about its overall character.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 94/100
Reviewers describe an unusually successful blend of tube warmth, tonal richness and clarity with the drive and control more often associated with powerful transistor amplification. It remains composed at high levels, with particularly strong bass authority and a controlled, open presentation.
Transparency Resolution
96/100
LowBeats calls the presentation "completely unobscured" and transparent even at very high volumes, while describing it as substantial yet transparent overall. Stereophile heard grain-free treble and a neutral, clear-headed character from the KT150-equipped version.
Tonal Balance Musicality
93/100
Tech Reviews praises the natural glow and emotional nerve the amplifier brings to acoustic music, describing a pleasing valve-like warmth. LowBeats similarly highlights natural tonal richness emerging from the bass and midrange, though Stereophile was less personally enamored with the KT150 tubes' overall character.
Dynamics
96/100
Dynamics are a recurring standout: Tech Reviews reports total control and no harshness even at loud levels, while Stereophile notes powerful, dynamic bass extension. LowBeats goes further, likening its explosive force to that of powerful transistor amplifiers and finding it competitive with the world's best amplifiers.
Soundstage Imaging
90/100
Tech Reviews hears an exceptionally controlled soundstage rather than a soft or diffuse valve presentation. LowBeats found that the optional Super Black Box made the stage noticeably wider and increased authority and inner tension, but offers less detail on image precision with the amplifier alone.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
94/100
LowBeats describes the V 80 SE as exceptionally well made, with a first-class technical concept. Stereophile details a steel inner chassis and aluminum exterior chosen for stability, magnetic shielding and reduced hum, alongside substantial protection and soft-start provisions.
Features Connectivity
94/100
The V 80 SE is unusually versatile for a high-end valve integrated, with multiple RCA inputs, a balanced XLR input, tape loop, adjustable pre-out/subwoofer connection, headphone output and home-theater bypass. Its separable pre/power sections, remote control, optional MM or MC phono module, user-adjustable bias and compatibility with alternative output-tube types add meaningful flexibility.
Value for Money
85/100
Published pricing is around €10,120 or £11,345, placing the V 80 SE firmly among expensive high-end integrated amplifiers. What Hi-Fi calls it one of the best integrated amplifiers it has heard, but the reviews do not directly compare its asking price with similarly priced rivals or make an explicit value judgement.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
Online Reviews & Mentions
YouTube Reviews
Forum Mentions
No forum mentions found yet
Specifications
- Basic Model
- V 80 SE Line
- Options
- Phono MC or MM
- Design
- Silver or Black
- Tube Configuration
- 4 x KT 88-S4A-Carbon, optional 4 x KT 150 TS
- Inputs
- 6 x Line Level RCA (1 x Bypass-Input, 1 x Phono-Input Option), 1 x XLR
- Outputs
- 1 x adjustable Preamp Output (RCA) / 1 x Tape Record (RCA) / 1 x Headphone Output / 1 x Loudspeaker Output
- Dimensions
- 451 x 175 x 415 mm (W x H x D)
- Weight
- 23.4 kg
- Full Metal Remote Control
- Volume Control
- Eco Mode
- Power Save Modus
- Bias Control
- Bias current control
- Adjustable Pre-Out
- Preamp Output RCA
- HT Bypass
- Bypass-Function for Multichannel/Home Cinema
- Protection System
- Soft Start; Protection Circuit for Device and Power Tubes
- Power Selection
- For different power tubes
- Headphone Output
- 6.3 mm Input for Headphones > 200 ohms
- Output Power
- 120 W RMS, 150 W Peak / 4 ohms
- Frequency Response
- 10 Hz - 80 kHz
- Total Harmonic Distortion
- 0.1% at 10 W / 4 Ohm
- Signal-to-noise ratio
- - 103 dB
Manufacturer's Description — Octave Audio
The OCTAVE V 80 SE sets new benchmarks for quality and performance in the product category of integrated amplifiers. It is the crown of the Octave integrated amplifier range and shines with a completely new amplifier design. A new driver stage, upgraded output transformers, and a more sophisticated power transformer highlight the technical design, while a completely new feedback loop offers absolute stability. As a serious alternative to high end separate pre- and power-amplifier components, the V 80 SE is equipped with a wide variety of inputs, both RCA and XLR, and features full function preamp capabilities. A MM or MC phono board is optional. A connection for Octave's proprietary Black Box or Super Black Box power supply capacitance upgrade module is also included.
The V 80 SE is the only model in the Octave range with a headphone connector, and features a high-grade discrete headphone amplifier that offers very low distortion (<0.008 % at 200 ohms) and uncompromised sound quality. It is also possible to integrate the V 80 SE into a Home Cinema system thanks to the Home Theater Bypass Circuit, which allows the V 80 SE to power the front channels of a high-quality multichannel system. Furthermore, the V 80 SE features Octave's innovative, power saving Ecomode circuit, which serves to reduce heat and unnecessary power consumption when the amplifier is switched on but not in use. The V 80 SE features Octave's innovative Power Management and Protection Systems. All Octave models are protected against any inrush-current during switch-on, and the operation voltage is built up slowly, which also serves to extend the lifespan of all parts – especially the tubes.
One can adjust the V 80 SE BIAS in three steps with a small screw driver at the front panel of the amplifier, making very sensitive adjustment to the loudspeakers quite simple. The incredibly precise BIAS calibration system requires no knowledge or experience let alone any micrometre or tools, so there is no need to involve a tech. In addition to simplifying tube biasing, this also makes it very easy for one to experiment with other tube types.
While the finish, build-quality and craftsmanship of the unit are easily recognized, the real fascination with the V 80 SE is the uncompromised sound quality and its incredible performance capabilities. The new amplifier design, optimized for the higher power KT 150 and KT 120 tubes (available as an option), yields up to 120 watts per channel power output, allowing perfect control of virtually any loudspeaker – even at high sound pressure levels. Music will flow effortlessly as the amplifier performs with an unrivalled sense of ease, all while delivering precise control and inexhaustible dynamics.
In the midrange, the V 80 SE integrated amplifier remains natural and warm, while the high frequencies are accurately reproduced with all the nuanced fine details which make all the difference in high fidelity playback. This powerful yet elegant integrated amplifier conveys pure emotion and is the perfect partner for nearly every loudspeaker. With its incredible reliability, ease of operation, and innovative feature set, the V 80 SE delivers the highest level of performance for the most demanding music lovers.
Of course, the V 80 SE has the Octave-typical Power Management with Soft-Start Electronics, the Protection System, a Power SelectorEco Mode, a BIAS Setting and Display, a Monitor/Record Output, the HT Bypass, the Pre -Out, a Headphone Output and a (Super) Black Box Connection. (See technology for description)
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Authorized dealers for Octave Audio V 80 SE
- Holt Hill — online and in-store — Andover, Massachusetts, United States (website)
- A 10 Audio Room 4 Music — in-store — Amsterdam Nieuw-West, Noord-Holland, Netherlands (website)
- Addicted to Audio — online and in-store — Epping, Victoria, Australia (website)
- Akoustiki Kritis — online and in-store — Glifada, Greece (website)
- Alta Fedelta — online and in-store — Lombardia, Italy (website)
- Audio Basic — in-store — Singapore, Singapore (website)
- Audio Element — in-store — Pasadena, California, United States (website)
- Audio Philosophy — in-store — Baton Rouge, Louisiana, United States (website)
- Audio Tempel — online and in-store — Zwolle, Overijssel, Netherlands (website)
- Audio Vision San Francisco — online and in-store — San Francisco, California, United States (website)
and 37 more verified dealers