Oyaide SPSL Loudspeaker Spade Connectors

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Set of 4 Reference-Grade Spade Connectors from industry leaders Oyaide.

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The Oyaide range of connectors undergoes attention to detail like no other in the hi-fi industry. As well as being an authorised Oyaide dealer, we use these in our own system as well as in many of the mains leads we produce for our customers.

“These plugs are not merely high grade; every step is taken to realise ‘State of the Art’ audio” say Oyaide themselves.

“Every one of our products is totally ‘made in Japan’, even down to the most minute component; all so we can maintain our high standard of quality and reliability. It is essential to have every production system under our direct and strict control. Our products are for a special and demanding market, where minute vibration from a loose connection or due to imperfect choice of material could become a vital failure. We carefully design each and every component for ease of assembling, simplicity and safety. We carefully select materials for superior sound quality, durability and reliability. For that requirement, cost factor is secondary. Instead we ignore excess decoration and unnecessary complexity. We are proud to present true value-for-money products for your enjoyment.

SPSL is a state-of-the-art spade connector that also creates an aura of elegance. After repeated listening tests, we employed RoHS compliant pure brass for the base material, with a combination of silver and platinum plating. The main body is trimmed from a phosphor bronze bar, 15mm in diameter, by precision CNC machining and is finished by mechanical barrelling and hand polishing piece by piece.

The highly-rigid 5mm stainless screw is used for the 4mm cable penetration part. This in-fills the internal space between the body and the screw. The blue screws, made of stainless with quench-hardening treatment, are highly rigid and emphasise the beauty of SPSL connector.

Dual-screw rocking system:

For the cable connection method, a dual-screw rocking system is employed as well as SRBN. By employing the 5mm dual-screw connection system, it in-fills the internal space and holds the conductor perfectly. The blue screws, made of stainless with quenching treatment, are highly-rigid and emphasise the beauty of SPSL.

Precision machining:

For the body material, we employed pure brass completely made in Japan. The body is trimmed down from 15mm round-bar by precision CNC machining and is going through an annealing process in a low-temperature furnace for a long time. It is finished by mechanical barrelling and hand polishing piece by piece."


Body material
Pb free pure brass(RoHS)
Silver (1.5μ)+ Platinum(0.3μ)
Dual Screw locking system
6.0mm or 8.0mm compatible
Install O.D.
4 pieces in a box
L-from hex wrench




You can learn more about Oyaide by using this link to visit their web site.


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