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.
|Number of Headphone Outputs||1|
|Number of RCA Inputs||2|
|Includes Pre Amp||No|
|Digital USB Input||No|
|Digital Coaxial Input||No|
|Digital Optical Input||No|
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
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|Delivery Destination||Delivery Times||Cost|
|UK Mainland||Same Day Dispatch* (1-2 working days)||Free|
|Ireland||Same Day Dispatch* (2-5 working days)||£9.99/£19.99**|
*Applies to In Stock items. Orders placed after 2pm will be dispatched the following working day. Free next day delivery does not include Saturdays. We can arrange Saturday delivery for £10 per box (please call to order).
**Any order under 0.9kg in weight will be charged at £9.99 (ships by Royal Mail), any order 0.9kg or over will be charged at £19.99 (ships by courier).
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For orders under 2kg in weight, we use Royal Mail (airmail insured). For orders over 2kg, we use a selection of premium couriers (TNT, UPS or FedEx). Customs charges apply for shipments to EU countries and are your responsibility to pay (read more).
We operate an easy returns process. If you decide you don't want an item, please contact us within 7 days of delivery for a returns number. For more information, please read our return's policy.
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