All articles

The Copper Link XLR Connector’s conductors are all made from Tellurium Copper, which maintains the connection strength needed to last for years and years without breakage or degradation of audio quality.

The housing of the unit is made from aluminium.  The shift in industry adoption of…

A simple list of all our new products and ranges added over the last month or so.

RES-NB40-2W-10R: 10R 2W Audio Note Niobium Non-Magnetic Resistor

RES-NB40-2W-12R: 12R 2W Audio Note Niobium Non-Magnetic Resistor

RES-NB40-2W-15R: 15R 2W Audio Note Niobium Non-Magnetic…

For some time, XLR connectors with some type of Copper have been available, but many of the male pins have too much mass, which causes excessive capacitance and subsequently alters the sound. ETI Research was still not interested because this defeated the purpose of using Copper for superior…

The aluminium housing in matte black is consistent with the design changes made to the Copper Link RCA. A more streamlined look supports the housing’s excellent shielding properties, eliminating impacts on sound quality. The Left and right channels are clearly designated with enamel rings.…

A line of capacitors from Japanese maker Amtrans to compliment their range of film capacitors. We have expanded the range with eight new values, all exclusive to HFC.

To read more about the range see HERE

To purchase and to see all available values please click HERE

The new Copper Link Banana connector from ETI Research features up-to-date styling with the reliability of Beryllium Copper (BeCu). The connector uses a sawtooth style, often referred to as a Z-plug or BFA connector.

The new Copper LINK Banana utilizes the same great design as the KRYO…

The DUTC series manufactured by Toshin (TK) is a paper-in-oil axial capacitor explicitly designed for audio use.

Excellent for use in a coupling circuit and the high voltage circuit of the vacuum tube amplifier. Also highly suitable for guitar use, with a solid and warm sound reminiscent…

This unique valve base from Amtrans includes a detachable flange that allows for easy connection to the chassis via the mounting holes.

Made in Japan out of ceramic that is 95% alumina, having a thermal conductivity that is about ten times higher than conventional steatite ceramics.…

KLEI have upgraded/improved the current KLEI Pure Harmony RCA Plug and we believe that the Pure Harmony22 RCA Plug will now perform near (or even at or even higher than) the performance level of the Absolute Harmony RCA Plug (now discontinued).

The look of the KLEI Pure22 Harmony RCA…

What’s “squalane”?
“Squalane” is a hydrocarbon derived by hydrogenation of squalene (substance found in people, animals and plants). It has completely saturated chemical structure (molecular formula: C30H62) and is not subject to auto-oxidation. This product uses “99% purity of Squalane”…

Newly received. A gold-plated Chassis mount, ceramic valve base, UX5, 5-pin (gold-plated). Mount under chassis.

Suitable for 5-pin valves such as 27, 33, 47, 56, 76, 27, 807 etc.

To read more and see exact dimensions please see HERE

To purchase click HERE

The Amtrans AMCN aluminium metalized polypropylene film Capacitors are rated at 630Vdc. Being highly recommended for valve amp signal use.

The leadouts are gold-plated OFC lead wire without nickel ground.

These are a superior replacement for the now discontinued Amtrans AMCO…

After countless requests from customers, we now stock further values of the 2W Audio Note Niobium Non-Magnetic Resistors series.

These 13 new values are between 10R and 91R. Listed at the same price as the rest of the range.

To read more about the range see HERE

To see…

We have received 3000 metres of the Duelund DCA16GA 600Vdc tinned copper multistrand wire in Polycast sleeving.

Suitable for internal DC / AC electronic wiring and the creation of mains lead.

To read more please see HERE

To purchase click HERE

We also sell the 20…

Cardas 2 x 21.5 AWG shielded interconnect wire multistrand pure copper Litz. An individually sleeved conductor pair (1 red & 1 black) with overall shielding in a fine white PFTE covering and finally a dark blue jacket. Each strand of the conductor is polyurethane coated.

Suitable for…

Duelund has introduced a naked version of their Flat Pure Silver Foil as used in their "Silver Foil & silk in oil wire". This is a flat annealed pure 99.999% silver ribbon excellent for hook-up wiring use, or making your own interconnects, loudspeaker and mains cables. So a very high-quality…