Icon Audio
Icon Audio HP8 MKII Signature Headphone Amp
Best tube amplifier for discerning audiophiles seeking sonic warmth and detail.
Experience pure, warm tube sound with the Icon Audio HP8 MKII Signature headphone amplifier. Hand-wired in the UK, this Class A amplifier is built for sonic purity and long listening sessions. It features upgraded premium tubes and Mundorf capacitors for enhanced audio performance, driving headphones from 30 to 600 ohms with exceptional detail and fluidity. With high-quality output transformers and an ALPS volume pot, it offers stunning clarity for both analog and digital sources. Optional Bluetooth connectivity is available by custom order.
$2495.00
Owner Satisfaction
4.6
/ 5
Category Rank
302
/ 1045
#302 in Headphone Amplifiers
Price vs Category Average
+79%
Above average
Who it's for
- Audiophiles seeking a classic, warm tube sound for their high-end headphones.
- Discerning listeners who value artisanal craftsmanship and long-term reliability.
- Headphone enthusiasts owning diverse collections of headphones, seeking optimal performance.
Who should skip it
- Budget-minded consumers or those new to high-fidelity audio equipment.
- Listeners preferring maintenance-free operation and cool-running solid-state electronics.
- Users with limited desk space or prioritizing portability.
Performance breakdown
Sonic Warmth
Pure Class A tube circuitry delivers a lush, fatigue-free listening experience.
Build Integrity
Hand-wired UK construction ensures long-term durability and exceptional internal signal paths.
Impedance Versatility
Effortlessly drives demanding headphones ranging from 30 to 600 ohms.
Component Quality
Mundorf capacitors and premium tubes elevate audio clarity to reference levels.
Connectivity Options
Standard analog inputs are robust, though Bluetooth requires a custom order.
Volume Precision
The ALPS potentiometer provides smooth, accurate control across the entire range.
Key Specs
Hand-wired construction
Tube amplifier technology
Class A tubes
High-quality output transformers
Impedance compatibility
30-600 ohms
ECC83 front tube
6SN7 tube
Silver PTFE audio cable
Features
- Pure tube sound for fatigue-free listening
- Hand-wired construction with premium components
- Signature upgrades for enhanced audio
- Wide impedance compatibility for most headphones
- Class A tube amplification
- High-quality output transformers
- Optional Bluetooth connectivity
- Two-year warranty
What customers say
Customers consistently praise this amplifier for its exceptional sound quality, often describing it as warm, detailed, and expansive, significantly enhancing their listening experience. Many highlight its robust build and elegant design, appreciating the premium materials and craftsmanship. Owners feel it offers a compelling sonic upgrade, transforming their headphone setup into a truly high fidelity system. The amplifier is frequently lauded for its ability to bring out the best in various headphones, making it a cherished component for serious audiophiles seeking sonic refinement.
Know before you buy
This amplifier delivers a classic, warm tube sound characterized by a smooth, fatigue-free presentation. Because it is a Class A design featuring premium Mundorf capacitors, you get a rich, fluid midrange and exceptional detail that makes long listening sessions very comfortable.
Yes, the HP8 MKII is designed to handle a wide range of headphones, specifically those between 30 and 600 ohms. Its high-quality output transformers ensure it can drive demanding audiophile headphones with ease and clarity.
The Signature model is an upgraded iteration that features premium tubes and high-end Mundorf silver/gold in oil capacitors. These components are selected to provide better sonic purity, improved transparency, and a more refined audio performance compared to the standard build.
Yes, the amplifier is equipped with both 3.5mm and 6.35mm output jacks on the front panel. This allows you to connect most standard headphones without needing additional adapters.
Tube amplifiers require periodic replacement as the tubes naturally wear out over time. The HP8 MKII comes with a 90-day warranty on the tubes themselves, and you should expect to replace them eventually to maintain optimal sound quality as they age.
Bluetooth is not included by default, but it is available as an optional add-on via custom order. If you require wireless streaming, you will need to specify this when placing your order.
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