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Pathos InPol Heritage Reference Amplifier Fully-balanced pure Class A integrated amplifier using the latest generation double-InPol circuitry. Available with Online Finance and Free Delivery

InPol Heritage represents the projectual legacy of the late Pathos co-founder, designer and inventor of InPol, Engineer Giani Borinato.

The team of Pathos technical designers pushed themselves to the very highest level with this unprecedented project; an enormous amount of time was spent with this product, which is characterised by components of the highest quality and the customary absence of compromises.

The digital bias/gain set technology with intelligent control is entrusted to the same microprocessor which regulates the volume, thus guaranteeing the performance of the amplifier itself and its ability to drive the loudspeakers effeciently.
Thanks to the (optional) HiDac EVO converter, music lovers who want the very best from the latest digital sources - controllable via smartphone or tablet app- will find their demands fully met.

InPol (Inseguitore Pompa Lineare - Linear Pump Follower) is a system patented by Pathos Acoustics which has enjoyed great success and won many awards.

Inpol devices have a special sonic personality obtainable only by means of this particular circuit design - fully balanced in Class A using a single solid state component in follower configuration, with high current gain and with voltage gain together. The valve amplifier amplifies the input signal voltage and InPol supplies the current to drive the loudspeakers without any further amplification. In this way the signal is entrusted to the valves and becomes a true copy of the original, with all the quality, purity and harmonic content of the original.

This technology allows an increase in the theoretical output in pure Class A of between 25% and 50% together with a low output impedance which is fundamental for the damping factor, and further improved by the double InPol.

InPol Heritage is a fully-balanced pure Class A integrated amplifier using the latest generation double-InPol circuitry. 

Its generous 80-watts of InPol power will drive any type of loudspeaker between 4 and 8 Ohms, and create an incredible and emotionally-moving sound-stage.

InPol Heritage offers the maximum level of Pathos quality, the fruit of many years of research and experimentation. This is a product hand-made in Italy - by audiophiles for audiophiles.


Type Reference stereo integrated amplifier Pure class A - double INPOL technology - fully balanced- digital Bias/gain set technology
Tubes 2 x ECC803S tung-sol   2 X 6H30 Sovtek
Output power 2 x 80W@ 8 Ohm,
Frequency response 2Hz – 200KHz ± 0.5db
Max input voltage 10VRMS
Input sensitivity 780mVRMS
Input impedance 20KOhm
Volume regulator purely resistive relays
THD 0,1% @ 80W  S/N Ratio > 100dB
Gain 33 db Unbalanced 39 db Balanced

Analog inputs 2 balanced XRL line, 4 unbalanced RCA line
Digital inputs Installation of (optional) HiDac EVO board is
required to enable these inputs
1 USB port type “B”, 1 SPDIF coaxial,
1 SPDIF optical,
1 Ethernet RJ45, 3 USB port type “A”
Outputs 1 Pre out stereo line Unbalanced RCA
1 Pre out stereo line Balanced XLR
Output gain selectable in 4 positions
Pre-output phase can be selected
1 connector for jack headphone 6,3mm

Output power 1,6W @ 32 O
Output impedance 5O
Frequency response 1,5Hz - 200KHz ± 0,5dB
THD 0,025%
Dimensions 555mm (D) X 450 (W) X 230mm (H)
Net Weight: 58Kg





Pathos InPol Heritage MkII Reference Integrated Amplifier

From £19,995.00
From £277.71 per month

  Delivery Standard Shipping and Click & Collect  

  Payment Secure payment available  


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