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Rogue Audio · Cronus Magnum III

Cronus Magnum III

A U.S.-built all-tube integrated amplifier using a standard KT88 output set, switchable Ultralinear and Triode operation, configurable MM or MC phono, tube headphone output and buffered variable outputs
Market statusCurrent all-tube integrated amplifier with switchable MM and MC phonoChecked Aug 20
Reference price$3,495 current U.S. authorized retail priceExact new black Cronus Magnum III at Audio Advisor, before optional tube cage, tube upgrades or dealer services
Product cyclecurrentRelease history under review
EvidenceWell supported7 publishers · 3 independent
Next full checkAug 27, 2026Price checks run sooner
01

Ready to buy

Verify load, sources, heat and service

The retained reference is $3,495 current U.S. authorized retail price. Confirm new rather than demo condition, standard KT88 tube set, finish, optional cage, freight and warranty at checkout because dealer stock and older reviews preserve different KT90 or KT120 tube packages. Download the exact manual, map every source and output, verify loudspeaker load and ventilation and test the complete installed system during the return period.

02

Current market

The facts that change the ownership choice

Each line carries its own check date because price, software, specifications, and product cycle do not age at the same speed.

QuestionCurrent answerFreshnessBasis

Current price

$3,495 current U.S. authorized retail price

Confirm new rather than demo condition, standard KT88 tube set, finish, optional cage, freight and warranty at checkout because dealer stock and older reviews preserve different KT90 or KT120 tube packages. Confirm authorized new stock, exact finish, tax, shipping, return terms and checkout package before paying.

Checked 3 days agoDirect source1 evidence item

Amplifier architecture and ownership branch

dealer-supported all-tube integrated with user bias and phono
Checked 3 days agoOur synthesis3 evidence items

Exact amplifier and purchase boundary

The exact Cronus Magnum III with the invoice-defined current tube complement, remote and mains lead is retained; optional tube cage, speakers, cartridge, sources, replacement tubes, bias tool, cables and dealer setup are separate unless itemized
Checked 3 days agoOur synthesis3 evidence items

Amplifier topology and signal path

The signal and output stages are tube based, with four user-biased output tubes and switchable Ultralinear or Triode operation. The current manufacturer page anchors the standard KT88 configuration; older KT90 or KT120 review packages must not be inherited
Checked 3 days agoOur synthesis3 evidence items

Continuous power, impedance and load boundary

The current manufacturer page rates 100 watts per channel in Ultralinear operation and does not state a comparable Triode figure, with separate 4- and 8-ohm transformer taps. Older award summaries report 90 watts for a different tube package; use the invoice, current manual and correct speaker tap rather than blending them
Checked 3 days agoDirect source3 evidence items

Analogue inputs, preamp and bypass paths

Three RCA line inputs, a configurable phono input and buffered variable outputs feed the integrated path. There is no balanced input, power-amplifier bypass or fixed home-theater mode, and variable outputs are not automatic subwoofer crossovers
Checked 3 days agoOur synthesis2 evidence items

Digital, television, Bluetooth and network path

There is no onboard DAC, optical, coaxial, USB audio, HDMI, Bluetooth, Wi-Fi, Ethernet or streaming service. Every digital or network source is an external component with its own grounding, gain, support, account and privacy boundary
Checked 3 days agoOur synthesis3 evidence items

Phono, cartridge and headphone boundary

The internal phono stage offers separate MM and MC gain and loading choices within documented ranges. Cartridge output and recommended loading must match the chosen setting; the tube headphone output retains heat, load and hearing-exposure boundaries
Checked 3 days agoOur synthesis3 evidence items

Speaker terminals, subwoofer and output boundary

Separate 4- and 8-ohm output taps serve one speaker pair, while buffered variable RCA outputs can feed a compatible powered subwoofer. No internal bass management, main-speaker high-pass, delay or room correction is provided
Checked 3 days agoOur synthesis2 evidence items

Room correction, tone, control and bypass

There is no tone control, measurement correction, app or programmable level limit. The relevant commissioning controls are cartridge settings, output-tube bias, output mode and the exact speaker tap
Checked 3 days agoOur synthesis3 evidence items

Mains power, heat, ventilation and placement

Exposed tubes and internal high voltage create burn, shock and fire risks during and after operation. Add the optional cage around children or pets, preserve generous overhead clearance, keep combustibles away, let tubes cool and never open the chassis or bypass the fuse
Checked 3 days agoOur synthesis3 evidence items

Software, service license, account and privacy

Core operation is offline and has no app, account, subscription or firmware dependency. Any external streamer, DAC or room processor retains its own license, update, privacy and support terms
Checked 3 days agoOur synthesis3 evidence items

Firmware, warranty, parts and regional service

Rogue publishes the exact manual and current factory contact, with a retained three-year amplifier and six-month tube warranty boundary. Tube wear is consumable rather than a fixed failure schedule; log bias, channel behavior and tube identity and use competent dealer or factory service
Checked 3 days agoOur synthesis3 evidence items

Hearing, electrical, tube and installation safety

Amplifier and headphone capability are not safe listening levels. Use the exact supported mains supply and speaker load, power down before rewiring, keep ventilation clear, keep liquids away, control cable strain and exposure time and never open or service energized equipment. Tube models retain lethal voltage and burn risk after shutdown and require their exact manual and competent service.
Checked 3 days agoOur synthesis3 evidence items

Sound, compatibility, reliability and outcome boundary

No amplifier topology, wattage, impedance label, protection circuit, DAC, network service, phono stage, room correction, cable, review, owner report, warranty or service plan guarantees sound quality, speaker compatibility, safe listening level, reliability, uptime, software continuity, resale or any listening, health, safety or commercial outcome.
Checked 3 days agoOur synthesis5 evidence items

Current verdict

The serviceable all-tube reference

Cronus Magnum III is defended for an owner prepared to manage tube heat, bias, consumables, output taps and dealer service in exchange for a complete analogue and configurable phono path.

Checked 3 days agoOur synthesis9 evidence items
03

Other paths

The alternatives change what the Cronus Magnum III is worth

These are not generic competitors. Each one represents a different way to buy into the same market.

01lower upfront

Rega

Elex Mk4

$1,875 current authorized U.S. price
Best fit
minimalist analogue-led Class AB with phono and simple DAC
Tradeoff
The exact Elex Mk4, Solaris remote and mains lead are retained; turntable cartridge, streamer, USB converter, Bluetooth receiver, subwoofer integration, loudspeakers and cables are separate
Open the source
02premium

Anthem

STR Integrated Amplifier

$4,999.99 current U.S. manufacturer price
Best fit
high-power room-corrected integrated with dual-subwoofer control
Tradeoff
The exact STR Integrated Amplifier, remote, calibrated ARC microphone kit and mains lead are retained; speakers, subwoofers, source components, computer, network, cartridges, stands and cables are separate
Open the source
04

What changed

The product has a history

Older observations stay in the ledger when the current view changes. That lets a buyer tell the difference between an old complaint, an active issue, and a problem that was corrected.

  1. notable

    Current amplifier, price and system boundary retained

    Cronus Magnum III was checked against exact identity, current U.S. price, manual, support, topology, load, source paths, phono, outputs, controls, power, heat, software, service, safety, independent evidence and bounded owner reports.

Price record

The price history starts here

Each amount stays tied to its source and capture date. Conflicting prices remain visible until the seller resolves them.

  1. $3,495 current U.S. authorized retail price

    Current reference priceA structured timeline will begin with the next source capture

05

Owner experience

What repeats after the purchase

Owner discussion returns to kt88 and earlier tube packages, bias drift, tube noise, heat, 4- and 8-ohm taps, phono settings, subwoofer outputs and factory service rather than a universal sound-quality or reliability result.

These are self-selected reports from different production runs, speakers, impedances, rooms, sources, cartridges, network services, firmware, mains conditions, listening levels and service regions. They identify acceptance tests and ownership questions and do not establish sound-quality, compatibility, defect, failure, tube-life, software-life or safety rates.
SignalWhat owners reportOur readEvidence

KT88 and earlier tube packages, bias drift, tube noise, heat, 4- and 8-ohm taps, phono settings, subwoofer outputs and factory service

Self-selected owners discuss loudspeaker matching, load behavior, heat, hum, phono gain, digital and network setup, firmware, controls, reliability and service. Reports span different speakers, rooms, sources, power conditions, listening levels, software versions and regions, so they identify acceptance tests rather than sound-quality or failure rates.

Buy the invoice-defined tube package, commission bias and speaker tap with the dealer and keep a dated log without converting self-selected tube-life reports into a failure rate.

1 evidence record
06

Sources

Why we believe the current view

The page separates what a source states directly from what we conclude across sources.

01
Cronus Magnum III current manufacturer identityRogue Audio · identity

Rogue Audio identifies Cronus Magnum III as the current complete two-channel integrated amplifier described here.

Source type
manufacturer
Content hash
2cc5184f9bc79bda
Use
store excerpt
Open Rogue Audio
02
Cronus Magnum III current U.S. priceAudio Advisor · price

$3,495 current U.S. authorized retail price was retained for the exact current U.S. system with package, finish, stock and promotion qualifications visible.

Source type
retailer
Content hash
4b3fda7d1c2ee343
Use
store snapshot
Open Audio Advisor
03
Cronus Magnum III manual and technical specificationRogue Audio · specification

The exact manual defines power-rating basis, supported speaker load, wiring, source paths, ventilation, operation, safety and service boundaries for Cronus Magnum III.

Source type
support
Content hash
f80d8c17dea71310
Use
store excerpt
Open Rogue Audio
04
Cronus Magnum III current support and serviceRogue Audio · software

Rogue Audio retains current manuals, warranty, firmware or regional service material for the exact amplifier.

Source type
support
Content hash
79ebade53bf6bde6
Use
store excerpt
Open Rogue Audio
05
Rogue Audio Cronus Magnum III independent exact-model reviewThe Absolute Sound · specification

Independent exact-model listening and technical coverage examines amplification, source paths, loudspeaker matching, controls, heat and ownership. Results remain tied to the reviewed sample, speakers, room, sources, setup and listening level and do not guarantee sound quality, load compatibility, reliability or service life.

Source type
editorial
Content hash
48705380eb078934
Use
store excerpt
Open The Absolute Sound
06
Rogue Cronus Magnum III integrated amplifier bounded owner discussionsStereo-amplifier owner communities · consensus

Self-selected owners discuss loudspeaker matching, load behavior, heat, hum, phono gain, digital and network setup, firmware, controls, reliability and service. Reports span different speakers, rooms, sources, power conditions, listening levels, software versions and regions, so they identify acceptance tests rather than sound-quality or failure rates.

Source type
community
Content hash
2d7ea266a1c7618f
Use
store excerpt
Open Stereo-amplifier owner communities
07
Occupational noise and hearing boundaryNIOSH · specification

Noise exposure depends on sound level and duration. Amplifier power and headphone-output capability are not safe listening levels, so installation requires conservative level and exposure control.

Source type
editorial
Content hash
d1838d22129b4de5
Use
store excerpt
Open NIOSH
08
Elex Mk4 defended alternativeRega · alternative

Elex Mk4 is a current defended alternative in the minimalist analogue-led Class AB with phono and simple DAC branch.

Source type
manufacturer
Content hash
f7ca35a47af64ce4
Use
store excerpt
Open Rega
09
STR Integrated Amplifier defended alternativeAnthem · alternative

STR Integrated Amplifier is a current defended alternative in the high-power room-corrected integrated with dual-subwoofer control branch.

Source type
manufacturer
Content hash
1ef95813c9713164
Use
store excerpt
Open Anthem

Manufacturer identity, exact current U.S. price, manual, support, independent exact-model evidence and bounded owner reports were checked on August 20, 2026. This desk covers current U.S.-supported complete two-channel integrated amplifiers for serious home listening, including selected network-streaming systems. It excludes AV receivers, power amplifiers, preamplifiers, active-speaker systems, discontinued or used-only units, cosmetic editions and DAC-only or headphone-only products. Preserve topology, continuous power test basis, minimum and combined speaker load, current delivery, protection, analogue and digital inputs, network and television path, phono gain and loading, headphone and subwoofer behavior, room correction, firmware, app and service dependence, account, license and privacy, power, heat, ventilation, hearing and electrical safety. No topology, wattage, load claim, DAC, streamer, room correction, phono stage, review, owner report, warranty or service plan guarantees sound quality, loudspeaker compatibility, safe level, reliability, uptime, software continuity, resale or any listening, health or commercial outcome.

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