Audio is one of the few electronics categories with genuine buy-it-for-life products, because the parts that wear are the parts makers still sell.
Audio is one of the few electronics categories with genuine buy-it-for-life products, because the parts that wear are the parts makers still sell.
A trade also exists to fit those parts, and the wear points are easy to name. A turntable's belt stretches and its stylus wears, and both are replaced by hand; a cartridge on the standard half-inch mount fits any tonearm made for it. A passive speaker has no amplifier inside to fail, and when its foam surrounds rot after a decade or two, refoam kits and speaker repair shops bring the drivers back.
Amplifiers built with through-hole parts and a circulating schematic are the electronics exception that proves the rule. Their electrolytic capacitors age, but recapping is a routine bench service, and the replacement parts come from ordinary electronics distributors. Headphones join the list only when the cable detaches and the pads are sold, because the driver is rarely what fails first. Check the cartridge mount, the surround material, the availability of a schematic, and the cable connector before buying, and the score table below shows how far each one carries.
Replaceable belt, cartridge, and stylus; a serviced deck runs indefinitely.
No amplifier inside means no failing board; drivers and crossover caps are replaceable.
Through-hole boards, a schematic in circulation, and no proprietary firmware.
Detachable cable, sold earpads, and a headband that can be re-padded — the driver almost never dies first.
Every item type above, scored 0–100 on the six properties a shopper can check by hand. These score the type, never a product: no brand is named, no price is quoted, and the Guarantee pillar stays provisional until you have a specific maker in front of you. Open a row for the pillar-by-pillar reasoning.
Tell us which product from this piece you have lived with, and how it held up.
Courtesy Score v1.1, 0–100, from six weighted pillars a shopper can check by hand. It is not a product rating and not a brand endorsement — read how we score.
Three questions settle almost every purchase in this category, and all three can be answered before you pay.
A gasket, a sole, a belt, a blade, a battery. If the maker stocks it, the object has a future; if it does not, the maker has set the expiration date.
Stitching, screws, welts, and bolts can all be undone and redone. Glue, ultrasonic welds, and fused linings cannot.
Single-material objects — cast iron, solid wood, steel, wool, full-grain leather — wear evenly and repair cleanly. Laminates delaminate.
These three questions are the short form of the six-pillar Courtesy Score rubric — the weights, the caps, and the worked examples are published in full at how we score.
Reviews are written when the object is new, before the failure modes arrive, and most review coverage never reaches the categories on this index at all. So use the review you are already watching — or the person at the counter — to answer the six things a first impression cannot:
What is it made of, and is that one thing — or layers bonded together? Did they show a seam, a laminate edge, a fused lining?
Did they open it? With ordinary tools, or by prying against clips and glue? Is there a free repair guide anywhere?
Which part wears out first, is it sold today, and for how many years after the model is discontinued?
Does it work with no account, no app, and no server — and can the battery, if there is one, come out?
Who fixes this besides the maker — a cobbler, a watchmaker, a bike shop, a repair café — and can they get parts without permission?
What is promised in writing, and does the maker sell parts to people whose warranty has run out?
The only durability evidence better than any score is your own: what you bought, when, what wore first, and what a year of ownership actually cost. The CourtesyCart app is building the Owner's Log to keep that record against your real purchase dates — cost per year from receipts, not from marketing. It arrives with the app itself.
The longevity evidence behind this index comes from owner communities and open repair data rather than from any maker's marketing. Start with these: