Pathos · Integrated Amplifiers
InPoL Heritage MkII
Reference InPoL amp with relay volume control, tube input stage, and optional HiDac Mk2 digital inputs.
fig. 01 · integrated amplifiers
InPoL Heritage MkII

From Pathos
InPoL Heritage MkII is tied to Pathos co-founder Giani Borinato and the brand's InPoL circuit work. Its spec sheet lists pure Class A operation, 2 x 80W at 8 ohms, a fully balanced signal path, 2 XLR plus 4 RCA analogue inputs, and preamp outputs in RCA and XLR.
Specifications
| Product type | Reference stereo integrated amplifier Pure class A- double INPOL technology - fully balanced-digital Bias/gain set technology |
|---|---|
| Tubes | 2 x ECC803S tung-sol2 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 |
| Analogue inputs | 2 balanced XLR line, 4 unbalanced RCA line |
| Digital inputs | Installation of optional HiDac Mk2 board is required to enable these inputs1 USB port type "B" for PC, 1 SPDIF coaxial,1 SPDIF optical, |
| Outputs | 1 Pre out stereo line Unbalanced RCA1 Pre out stereo line Balanced XLROutput gain selectable in 4 positionsPre-output phase can be selected |
| Dimensions | 693mm (D) X 450 (W) X 230mm (H) |
| Weight | 80Kg |
| Series | InPoL |

