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Icon Audio Stereo 845 PP Integrated Valve Amplifier


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Found it cheaper? Click here. SKU: 7831
Ex VAT: £5,832.50
Icon Audio's flagship integrated amplifier, designed to get the most out of the fabulous 845 valve. Ideal for someone wanting the ultimate in luxurious warm sound.

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Condition: Brand new in original retail packaging

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Power Per Channel (8ohms) 40W
Warranty length 1 Year
Colour Black
Brand Icon Audio
Product Award HiFi Choice Recommended, HiFi Choice 5 Star

Tech Specs

- 4x 845 precisely matched
- 2x 6SL7 first stage valves
- 2 x 6SN7 output valves
- 1x GZ34 driver stage rectifier
- Max out (1/2 ch): 40/38w p/ch 8Ω
- THD 8w 0.3%. 1w 0.09%
- Max out: 4/16Ω, 32/39w (11.3/25v)
- Signal to noise level: -93db
- Channel balance: >0.1dB
- Damping factor of 14
- Freq response: 10Hz-20kHz -0dB
- Freq response 20Hz-20kHz 0.25dB
- Suitable loudspeakers: 4Ω to 16Ω
- Silver plated pure copper PTFE cable
- Gold plated Input & speaker terminals
- Attractive Plexiglas cover supplied
- Four line inputs and record loop
- Sensitivity (high/low): 300/950mV
- Power: 220/240/115v, 220/500w typ/max
- Certification: C E. FCC ROHS
- Dimensions (WDH): 44 x 40 x 24cm
- 35kg

Product Description

Icon Audio Stereo 845 PP is a premium integrated amplifier from Icon Audio. Designed to get the best out of the fabulous 845 valves, the Stereo 845 PP is ideal for someone wanting the ultimate in luxurious warm sound.


Twelve years in the making, Icon Audio have used all of their experience and expertise to design and manufacture this remarkable amplifier. Everything possible has been done to allow this superb valve to work its magic. 40 watts is ample power to obtain a high volume in most situations. This means that all of the components and valves are generously rated to give the ST845 its enviable sonic signature. And still comfortably get everything in one chassis. Many exotic SE designs are criticised for their distortion and bass performance. A glance at the ST845 figures shows real bass power at low distortion is possible! 

3D Soundstage

The sound quality tested on a wide range of loudspeakers the ST845 offers a very unbiased interpretation of music that only valves can do. This is partly due to the absence of monitoring and control circuits, surprising simplicity, very little feedback, lots of pure copper and heat! You can expect a more three-dimensional soundstage. Imaging is more precise. The “texture” of each instrument is more apparent.

Pure Triode

The Ultimate Pure Triode PP Integrated Amplifier! Probably the worlds first. Following their very successful MB845 100w monoblocks, Icon Audio realised that there are many people who just love the sublime quality of the 845 valves but do not need high power or have the space needed for two large monoblocks and a pre-amp. Surprisingly 100w to 40w is only 3.9db lower in sound output, so the ST845 is an excellent relatively small one box package.

Key Feature

- Pure Class A, Triode front end
- Pure Triode 845 push-pull output Stage
- All hand wired point to point
- Remote control volume
- May also be used as a power amplifier
- Comprehensive manual supplied
- Built-in “Easy Bias” Meter
- ALPS Japanese volume pot

Press Reviews

  • 'The Icon Audio has an easy sound - rather like a large Harley Davidson motorcycle, it just never seems to break into a sweat. No matter how complex the music gets, it just shrugs it off and keeps playing.' Hi-Fi Choice Magazine 2014

  • 'Magnificent, mellifluous sounding and mad!' Hi-Fi Choice Magazine 2014

  • 'Even at high volumes, the Stereo 845 displays grace under pressure in practically any living room. It sounds powerful and assured...' Hi-Fi Choice Magazine 2014

  • Everything gets a nice, rosy glow, meaning that recordings that were previously viewed as a little acerbic suddenly seem to calm down and chill out. There's never any sense of the sound being laser etched out right in front of you; instead you're drawn into this wide and deep soundstage, with a lot of the action going on behind the plane of the speakers.' Hi-Fi Choice Magazine 2014

  • '

    'This is a lovely thing that bestows luxury and a sense of specialness on its owner. It oozes character and its own unique charm - making a sound that virtually no other amplifier can...' Hi-Fi Choice Magazine 2014

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