ampsandsound Red October Amplifier
Best high-end tube amplifier for discerning audiophiles seeking authentic 300B sound.
The ampsandsound Red October is a flagship Personal Audio Tubed Integrated Amplifier, engineered to deliver the authentic 300B SET sound. It prioritizes tonal accuracy and spatial presentation over traditional warm HiFi signatures, aiming for a presentation reminiscent of Western Electric. Built with a no-compromise philosophy, it features hand-selected components, Jupiter foil wax coupling capacitors, and a 24-step stepped attenuator. The latest revision includes the Gen 5 power supply for reduced noise. This versatile unit functions seamlessly as both a high-end headphone and speaker amplifier, pairing best with high-efficiency systems.
$13238.00
Owner Satisfaction
4.8
/ 5
Category Rank
168
/ 1719
#168 in Power Amplifiers
Price vs Category Average
+60%
Above average
Type
Integrated Tube Amplifier (SET)
/ Integrated Tube Amplifier (SET)
Who it's for
- Audiophiles powering demanding, low-efficiency speaker systems
- Purists valuing long-term reliability and artisanal craftsmanship
- Listeners seeking classic tube warmth and immersive soundstages
Who should skip it
- Owners with limited shelf space or weight restrictions
- Budget-conscious buyers preferring mass-produced solid-state alternatives
- Users wanting a low-maintenance, cool-running audio setup
Performance breakdown
300B Sonic Authenticity
Delivers the legendary, pure SET sound with remarkable tonal accuracy.
Build Integrity
Point-to-point wiring and premium components ensure heirloom-grade construction quality.
Impedance Versatility
Multiple output taps accommodate a vast range of high-end headphones.
Noise Floor Control
Gen 5 power supply revisions significantly minimize background interference.
Speaker Compatibility
Best suited for high-efficiency speakers due to modest power output.
Spatial Presentation
Exceptional soundstage depth and imaging reminiscent of vintage Western Electric gear.
Key Specs
Type
Integrated Tube Amplifier (SET)
Maximum Power Output
8 watts RMS into 8 ohms
Total Harmonic Distortion
0.307% at 1 Watt
Frequency Response
10Hz to 24kHz @ 1 watt (-2db)
Dimensions
13" deep x 17.5" wide x 8" tall
Weight
70 lbs
Headphone Outputs
Multiple impedance settings (8, 16, 32, 100, 300 ohm)
Construction
Point-to-point wiring and turret board
Features
- Delivers true 300B DHT/SET sound signature
- True dual mono design with separate power supplies
- Functions as both headphone and speaker amplifier
- Multiple headphone impedance outputs available
- Hand-assembled using point-to-point wiring
- Tonally correct presentation with great clarity
- Includes 2023 tube cage (Rev 2 update)
What customers say
The ampsandsound Red October Amplifier is highly regarded as a reference grade component, often called an endgame piece. Owners consistently praise its robust power delivery and exceptional dynamic range, noting its ability to effortlessly drive demanding planar magnetic headphones. The sonic signature is described as rich, textured, and deeply musical, delivering classic tube warmth and holographic staging without losing detail or speed. This amplifier brings a notable realism and authority to music playback. Furthermore, the build quality is universally lauded; the unit is meticulously crafted, reflecting premium, hand built components. While the investment is significant, the consensus is that the Red October offers a profound and lasting improvement in audio reproduction for serious enthusiasts.
Know before you buy
Because this is a 300B SET amplifier producing 8 watts per channel, it performs best with high-efficiency speakers. You will get the most out of the design when pairing it with speakers that have a sensitivity rating of 95dB or higher.
Yes, the Red October is designed as a dual-purpose integrated amplifier. It includes dedicated headphone outputs with multiple impedance settings (8, 16, 32, 100, and 300 ohms) to ensure compatibility with a wide range of high-end headphones.
Unlike many tube amplifiers that lean into a heavily colored or 'warm' sound, the Red October prioritizes tonal accuracy and clarity. It aims for a precise, Western Electric-inspired presentation that emphasizes spatial detail and natural textures.
The Gen 5 power supply is a significant revision focused on noise floor reduction. By refining the power delivery, it allows the amplifier to reveal finer micro-details and maintain a blacker background, which is essential for high-resolution listening.
The unit is built with a no-compromise philosophy, utilizing hand-assembled point-to-point wiring on a turret board. This traditional construction method is highly reliable and allows for easier maintenance and component longevity compared to standard printed circuit boards.
The amplifier is substantial, measuring 17.5 inches wide by 13 inches deep and standing 8 inches tall. Given its 70-pound weight, ensure your rack or shelf is sturdy enough to support the unit and has adequate clearance for heat dissipation.
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$13238