Icon Audio HP8 MkII Valve Headphone Amplifier

Made to order & dispatched within 7-14 days.

£599.95 Free UK Delivery

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Product information

The Icon Audio HP8 MkII headphone amplifier is in fact a miniaturised hi-fi valve amplifier, featuring a custom wound output transformer which provides perfect matching to virtually any headphone load. This model is designed to provide a much better listening experience than most substandard headphone outputs and is an excellent match for many headphones.

The conventional way to provide a headphone output is to drop the power through a resistor. This has a big problem that it provides very high source impedance (rather like a weak battery) the effect of this is to give very 'Low FI' results. Ideally headphones should be driven from small high quality amplifiers. Many headphone amplifiers use small “microchip” amps which although are a better solution still do not provide ideal matching to the wide range of headphones available.

Icon Audio start with a substantial mains transformer with matching power supply and two output transformers. It uses silver Teflon audio cable, gold plated terminals and the famous “ALPS” volume pot for sonic purity. The HP8 MK II tops the scales at 7kg, giving you an idea of how much iron you get for your money. Like its predecessor and other models, the HP8 MKII has no printed circuit board and is all hard wired with top quality components.

Full Specifications

- Comprehensive manual supplied
- Full instructions for valve change included
- All hand wired point to point
- No printed circuit board to ‘colour’ sound
- Japanese Blue ALPS volume pot.
- Class A, all Triode circuit
- Output impedance matching from 8 to 600Ω
- 2 x Russian 6SN7
- NOS, Treasure and Full Music types available
- 1x ECC83 first stage valve
- Signal to noise level -90db
- Freq response better than 20hz-20kHz +0 –0.2db
- Total harmonic distortion typically less than 0.2% 1khz
- Suitable for 4-8 ohm high efficiency loudspeakers
- Japanese steel EI transformers with low oxygen copper
- Slim profile design
- High quality 2W metal film, & wire-wound resistors
- Blue LED mains indicator
- Polypropylene audio capacitors
- Silver TEFLON audio cable
- Custom hand wound output transformers
- Ceramic valve holders for minimum leakage
- Gold plated Input & speaker terminals
- One line input
- 350mv input sensitivity.
- 230/240volts 36 watts.
- Dimensions (mm): 110W x 350D x 148H,
- Weight (kg): 6.5