Rogue Audio Atlas Dark Power Amplifier - Black

Powerful Tube Sound with Greater Detail and Control

The Rogue Audio Atlas Dark is a 100-watt-per-channel stereo tube power amplifier built for listeners who want warmth, detail, and real musical power. It combines the proven Atlas design with premium Dark upgrades to deliver a quieter background, clearer sound, stronger bass, and wider dynamics.

Use Ultralinear mode when you want full power and impact, or switch to Triode mode for a smoother, more relaxed presentation. The Atlas Dark is designed and hand-built in the USA, then tested, burned in, and listened to before it leaves the factory.

100 Watts of Pure Tube Power

With 100 watts per channel, the Atlas Dark can drive a wide range of quality floorstanding and bookshelf speakers. Its large linear power supply stores the energy needed for deep bass, sharp musical attacks, and sudden changes in volume.

This is not a soft or sleepy tube amplifier. The Atlas Dark combines the natural tone and open soundstage of tubes with the power and control needed for rock, jazz, orchestral music, and home audio systems played at realistic levels.

Choose Ultralinear or Triode Sound

A selectable Ultralinear/Triode switch gives you two ways to enjoy your system. Ultralinear mode provides maximum power, stronger bass, and greater dynamic impact. Triode mode offers a smoother, richer sound that can be especially rewarding with vocals, acoustic music, and smaller-scale recordings.

What Makes the Atlas Dark Different?

The Dark version improves the Atlas amplifier in the areas that matter most to sound quality. These upgrades help lower noise, improve current delivery, and reveal more musical detail without making the sound hard or bright.

• 25% More Power-Supply Capacitance – Stores more energy for stronger dynamics and better bass control.
• Hexfred Fast-Acting Diodes – Help the power supply operate with less switching noise.
• Psvane Art Series Tubes – Premium 12AX7 and 12AU7 input and driver tubes provide greater clarity and refinement.
• Upgraded Coupling Capacitors – Preserve delicate musical information as the signal moves through the amplifier.
• Cardas Rhodium Binding Posts – Provide a durable, high-quality connection for speaker cables.
• Premium Capacitors and PRP Resistors – Used in key circuit locations to reduce noise and improve transparency.
• Dark Faceplate – Gives the amplifier its distinctive all-black appearance.

Built for Clear, Low-Noise Performance

Short signal paths, precision parts, and a heavy two-ounce copper circuit board help preserve fine musical detail. Slow-start turn-on sequencing brings the amplifier up to power gently, helping protect its tubes and internal parts.

Separate 4-ohm and 8-ohm transformer taps let you match the amplifier to your speakers. Gold-plated RCA inputs provide a clean connection to your preamplifier, while the detachable power cord makes installation and future cable upgrades simple.

Designed and Hand-Built in the USA

Rogue Audio builds the Atlas Dark in Pennsylvania using a machined aluminum faceplate, a steel chassis, and carefully selected internal parts. Every amplifier is fully tested, burned in, and auditioned before shipping.

Who Is the Rogue Audio Atlas Dark Best For?

• You want the natural tone and wide soundstage of a tube amplifier.
• You need enough power for full-size speakers and realistic listening levels.
• You want to choose between powerful Ultralinear sound and smoother Triode sound.
• You already own a preamplifier or plan to add one.
• You value American design, hand assembly, and parts that can be serviced.
• You want a premium tube amplifier without moving to large monoblocks.

Important System Requirements

The Atlas Dark is a power amplifier, so it does not include source selection or a volume control. It must be connected to a separate preamplifier or another component with a variable preamp output.

Its inputs are single-ended RCA connections rather than balanced XLR. Because the tubes produce heat, place the amplifier on an open shelf with plenty of space above and around it for ventilation.

Features & Specifications

• Type: Stereo vacuum-tube power amplifier
• Power Output: 100 watts per channel
• Operating Modes: Selectable Ultralinear and Triode
• Frequency Bandwidth: 20 Hz–30 kHz
• Speaker Connections: Separate 4-ohm and 8-ohm transformer taps
• Inputs: Gold-plated stereo RCA
• Speaker Terminals: Cardas rhodium-plated binding posts
• Power Supply: High-storage linear design with 25% greater capacitance
• Input and Driver Tubes: Two Psvane Art Series 12AX7 and two Psvane Art Series 12AU7 tubes
• Circuit Board: Heavy two-ounce copper
• Turn-On: Slow-start sequencing
• Power Cord: Detachable IEC type
• Dimensions: 18" W x 17" D x 5.5" H
• Shipping Weight: 55 lbs.
• Finish: Black with Dark faceplate
• Manufacturing: Designed and hand-built in the USA

Frequently Asked Questions

Do I need a separate preamplifier?

Yes. The Atlas Dark is a power amplifier and does not have a volume control or source selector. Connect it to a preamplifier or a source component with a variable preamp output.

What is the difference between Ultralinear and Triode modes?

Ultralinear mode provides the most power, bass control, and dynamic impact. Triode mode lowers the output but creates a smoother and more relaxed sound that many listeners enjoy with voices and acoustic instruments.

Can it drive 4-ohm speakers?

Yes. The Atlas Dark provides separate 4-ohm and 8-ohm speaker connections so you can select the output tap that best matches your speakers.

Does the Atlas Dark have balanced XLR inputs?

No. It uses high-quality gold-plated RCA inputs. A standard stereo RCA interconnect is required between your preamplifier and the Atlas Dark.

Does a tube amplifier need ventilation?

Yes. Vacuum tubes become hot during normal use. Install the Atlas Dark on an open shelf with generous space above and around the amplifier. Do not place it inside a closed cabinet.

What warranty is included?

The Atlas Dark includes Rogue Audio’s three-year parts-and-labor warranty. Vacuum tubes are covered separately under Rogue Audio’s tube warranty.

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