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The harmonious (self-shielded technology)
Balanced interconnect cable

Based on our asymetric1 but in a balanced version harmonious is a product that has the two main characteristics of a modern cable allowing everybody to experience pleasure from music: Very good sonic performance at a reasonable price.
Harmonious is a very light flexible non-shielded triple-core interconnect cable in a beautiful red-blue color.
These types of cables are much less reactive to the signal than conventional fully shielded cables. In this way they have generally been perceived to sound faster, less coloured and more open than their fully shielded counterparts.
On the other hand, nowadays all kinds of uninvited and undesirable noises such as EMI, RFI, vibrations etc. produced by our home devices -including mobile phones- enter these "nude" cables, causing audible signal distortion.

Introducing a novelty, harmonious consists of unique configuration characteristics which minimize this problem, using our self-shielded technology.
The use of harmonious further increases the balance and transparency in any reproduction system in its category.
The three signal conductors are specially made of 99.999% (5N) extra soft temper pure fine silver, which has the best conductivity of all metals. The manufacturing process eliminates the surface mechanical anomalies improving the electrical signal transmission properties, giving extremely low distortion especially in high frequencies.
Each one of them is perfectly cleaned using a specific cleaning procedure which eliminates corrosion and polishes the surface in order to increase conductivity and prepare the conductor surface treatment.
To eliminate the problem of silver corrosion in the course of time, a thick liquid treatment oil is being used, specially designed for this purpose. The same oil is standardly applied to all our extra soft temper pure fine silver conductors. The result is a time-lasting stable product capable of avoiding chemical attacks, protected from atmospheric pollutants. This liquid treatment also works:

  • As a metal to dielectric suspension, reducing the vibrations coming from the current running through the audio cables and the loudspeakers themselves, rendering any microphonic effects insignificant.
  • As a lubricant, reducing dramatically the friction between the silver conductor and the dielectric tube avoiding the static electricity (conveyance of electrons) distortion.

By using a specific process, each end of our silver conductors is perfectly polished, thus becoming elliptical to avoid electric evacuations.
The insulation tubing of the three conductors is made of PTFE, which is the original TeflonŽ formulation and has the lowest dielectric constant of all plastics. The conductors have the least possible contact with the insulation material according to the first principle of our sToa 8 technology increasing velocity of propagation. Moreover, we use our
low capacitance geometry according to the second principle of our sToa 8 technology eliminating the interaction between the conductors at the same time.
As a result the total cable capacitance is a very low 18pF/m adding the clearest sound you could ever imagine to this unusual cable.
We use single signal and signal return conductors providing similar field geometry per length unit.
Likewise, the use of single conductors for signal and signal return eliminates chaotic electron migration through the usual conductor strands and their imperfect barriers.
Using a unique anthropocentric mathematical algorithm we manage to make different lengths in the crossing process of our
low capacitance geometry providing a significant diminution at the internal interjection between the conductors. This assymetrical self-shielded technology dramatically facilitates distortion rejection produced by the electromagnetic interface (EMI) and the radiofrequency interface (RFI), rendering the use of an external shield practically insignificant providing a good balance between shielded and unshielded "nude" interconnect cables and thus negating the otherwise notorious dilemma.
The sonic result is so clear and relaxing, that you are treated with an unforgettable experience.

A thin double layer halogen free jacket of 6.5mm external diameter provides excellent flexibility, electric insulation, and durability to this "musical transporter". This layer is independently hanging to the connectors using our patented Elastic hanging mechanism, offering significant advantages thus rendering harmonious practically uninfluenced by any alteration in the wires metal structure.
Total cable weight remains remarkably low (60gram/m) in order to protect your delicate equipment sockets.

The harmonious interconnect cable is now available with gold plated XLR quality connectors (neutrik). Before lead-free and halogen-free soldering, using high purity, 4% silver solder, we apply pressure to stabilize the conductors and ensure a suitable low resistance contact. The process of melting and solidifying takes place within narrow temperature ranges so that the surface of the solder joint remains smooth and corrosion-protected. This connecting method seems to provide the best signal transfer results.
A thick liquid treatment oil is applied on the solder surface as well as on all our XLR connectors to eliminate corrosion increasing contact electrical stability.
Before packing we use our cables demagnetizing method neutralizing all metal and non-metal parts on them in a three-stage procedure.
Finally, as with all our cables, the harmonious balanced interconnect cable is carefully checked and separately tested in our laboratory by a highly skilled master technician to ensure a reliable product and a blissful owner, offering a significant upgrade to your audio system.

Harmonious is carefully packed in a luxury real wooden box specially designed to protect this cable and prevent any damage. Each of our wooden boxes has a unique serial number same as the cable. Inside you will find all documents and instructions manual required plus a bottle of our pastra advanced antistatic cleaner as a gift.

Please feel free to order your harmonious interconnect by using our
premium online sales shop


Harmonious specifications *

Capacitance (Core to core)

13.1 pF/m (3.9 pF/ft) at 10Khz

Capacitance (Total cable)

17.8 pF/m (5.4 pF/ft) at 10Khz


1.51 uH/m (0.46 uH/ft) at 1Khz


0.5984 Ohm/m at 20°C


0.1824 Ohm/ft at 20°C



3 x Silver 99.999 %


self-shielded technology


PTFE-Teflon tube


No (self-shielded)


PVC - polyethylene


Gold plated XLR



External diameter

6.5 mm

Total weight

60 gram/m

Lengths available

0.8, 1.0, 1.3, 1.5 meter**


Technology tables

Comparative tables

Remarks: asymmetrical self-shielded geometry, low capacitance geometry, patented Elastic hanging mechanism, factory mounted gold plated XLR connectors, lead-free and halogen-free silver soldering, halogen free jacket, remarkably low weight, unique serial number, luxury real wooden box, demagnetized.

The right to change specifications without notice is reserved by the Manufacturer.
Any other length can be custom made on your demand.
*** 6 years warranty against manufacturing defect.

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Custom made harmonious

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Presentation of our the harmonious interconnect cable at the "HXOS" magazine.

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Presentation of our the harmonious interconnect cable at the "AVmentor" internet audiophile magazine.

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