InPoL Heritage MkII - front view
InPoL Heritage MkII
InPoL Heritage MkII - side view

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 Mk2 converter, music lovers who want the very best from the latest digital sources will find their demands fully met.

 

With the experience of the new InPoL2 MkII and the InPoL Legacy, we modified the InPoL Heritage consequently.

The power supply section doubled, therefore the amplifier is dual mono. We added one heat sink that increases the radiating surface and allows better placement of the MOSFETs.

Thanks to these improvements, we got a better dynamic, most of all on the low frequencies, and we enhanced the power depending on the impedance.

The power remains the same, and so does the aesthetic design. The unit is 14cm longer than the old one, and it is provided with new sealed VU meters and WBT speaker terminals.

Pure Class A

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.

Thanks to the (optional) HiDac Mk2 board, InPoL Heritage will be able to receive all your music from your PC by USB or from a digital source by S/PDIF.

 

InPoL Heritage MkII - side view

Technical specification

InPoL Heritage
InPoL Heritage
InPoL Heritage

InPoL Heritage

 

TypeReference stereo integrated amplifier Pure class A
– double INPOL technology – fully balanced-
digital Bias/gain set technology
Tubes2 x ECC803S tung-sol
2 X 6H30 Sovtek
Output power2 x 80W@ 8 Ohm,
Frequency response2Hz – 200KHz ± 0.5db
Max input voltage10VRMS
Input sensitivity780mVRMS
Input impedance20KOhm
Volume regulatorpurely resistive relays
THD0,1% @ 80W
S/N Ratio> 100dB
Gain33 db Unbalanced 39 db Balanced
CONNECTIONS
Analog inputs2 balanced XRL line, 4 unbalanced RCA line
Digital inputsInstallation of optional HiDac Mk2 board is
required to enable these inputs
1 USB port type “B” for PC, 1 SPDIF coaxial,
1 SPDIF optical,
Outputs1 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
Dimensions693mm (D) X 450 (W) X 230mm (H)
Net Weight:80Kg

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