Luxman JPS-10000 ()

One of the rarest speaker cables Luxman ever made - so scarce it's practically listed in the 'Red Book'.

Overview

The Luxman JPS-10000 is a Japanese high-end speaker cable that turns up now and then on auction sites. Luxman Corporation made it in Yokohama as a flagship-tier cable. It belongs to a series that includes the JPS-15000/2 and related models like the JPC-15000 and JPR-15000 mentioned in company news. Its siblings are better known. The JPS-10000 has a near-mythical reputation for its rarity, and for the quiet respect it gets from audiophiles who care about clean signal transmission.

Owners report that these cables were built to get out of the way. No added coloration, no sonic signature to speak of, just a clean path between amplifier and speaker. They're passive. Not powered, not shielded with exotic circuitry. One seller described it as "one of the best speaker cables, the top line of Luxman company," and it was clearly meant for high-end systems. No verified production date appears in any source. It's now out of stock everywhere and called "a very rare thing."

Specifications

Manufacturer	Luxman Corporation
Product Type	Speaker cable
Conductor Material	OFS copper 99.99997%
Conductor Construction	100 strands, diameter 0.26 mm
Structure/Design Feature	non-twist / Inductance minimization achieved using non-twisting conductors
Terminals	24K gold-plated terminals
Connector Type	Y-shaped spade lugs
Shielding/Insulation	Protection from electromagnetic interference and noise with absorbing insulation
Outer Diameter	12.5×19L
Cable Length	2 x 3 meters

Key Features

High-Purity Signal Path

The core of the design is OFS copper with 99.99997% purity. The idea is to keep resistance low and preserve the signal. The terminals are 24K gold-plated, which resists oxidation and keeps the contact reliable over time. The combination is said to enable "almost perfect transmission of high frequencies." No lab measurements appear in any source. The claim rests on user reports of clarity and detail.

Non-Twist Construction

The conductor layout is non-twist. Most speaker cables twist the wires to reduce inductance and interference. This one gets its low inductance from a straight, parallel arrangement. That's less common, and it suggests an effort to avoid microphonics and phase anomalies that can come from helical winding. Whether it improves the sound is subjective.

Electromagnetic Protection

The JPS-10000 is a passive cable, but it has absorbing insulation meant to protect against electromagnetic interference and noise. In high-gain systems or places with a lot of EMI from nearby electronics, that could help background silence and dynamic contrast. The outer jacket has a 12.5×19L profile. It likely houses this insulation along with the densely packed 100-strand conductors, each 0.26 mm in diameter. The cable feels substantial without being overly stiff, and it's overbuilt for typical home use.

Y-Shaped Spade Lugs

The terminations are Y-shaped spade lugs, which give secure, low-resistance connections to binding posts. The Y-shape allows multiple contact points, which adds surface area and stability, especially with bi-wiring or amplifiers with large terminal blocks. The lugs are plated in 24K gold like the rest of the terminations. Some users may prefer banana plugs for convenience, but this cable uses spades.

Collectibility & Value

One European dealer calls it "a very rare item, nowadays practically listed in the 'Red Book,'" a reference to endangered species. As of the latest available data, the cable is out of stock across major vintage audio retailers, and original units only appear sporadically on auction platforms.

Prices vary widely with condition and market. A used pair sold for 19,800 JPY (~$126) in 2023, starting from just 1,000 JPY, despite visible scratches and dirt (ranked exterior B). Another listing in November 2024 showed a bid of ¥2,400. A Russian seller priced a used set at 35,000 RUB in 2019 (ideal condition, slight wear on lugs). A different listing from Festima.ru asked 59,000 RUB for a unit in good condition with original packaging.

There is no record of the original MSRP, and no data on common failures or maintenance needs. Being passive, the cable should be durable, but decades of storage or improper handling could lead to terminal oxidation or insulation brittleness.

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