When the tester is the obsolete item: Our obsolescence engineering against Teradyne Spectrum and Marvin GENASYS.
Teradyne and Marvin both publish real answers to legacy test, and both sell you a new platform to run the old programme on. There is a third option, which is rebuilding the bench you already depend on.
This work is sustainment, not product development. Our principal builds automated test equipment for electronics quality assurance and reverse-engineers unsupported legacy test benches so avionics and weapons-system depots keep testing after the original vendor has walked away, engineered by the same team behind its non-destructive testing line.
Side by side
| Attribute | Represented by UnstratAutomated Test Equipment & Obsolescence Engineering | TeradyneSpectrum-9100 functional test system12United States | Marvin Test SolutionsTS-323 Series GENASYS digital and analog test system platform3United States |
|---|---|---|---|
| Core proposition13 | Automated test equipment for electronics quality assurance, plus reverse-engineering and rebuild of unsupported legacy test benches | Fully integrated functional test system for factory, depot and intermediate test, covering digital, analog, mixed-signal and bus test from legacy boards to advanced systems | PXI-based platform for mil-aero and mission-critical functional test, positioned for upgrading or replacing legacy Teradyne L200/L300, GenRad 2750 and VXI-based digital systems |
| Answer to obsolescence13Both competitors solve obsolescence by moving the test programme to new hardware. That is a valid answer and it is not the same answer as keeping the bench. | Reverse-engineer and rebuild the existing bench so the depot keeps its current test programmes and fixtures | Open architecture across PXI, LXI, VXI, GPIB, IVI, Windows and ATML, with legacy rehosting cited among supported applications | Migration tooling for LASAR-based programs, optional DtifEasy for importing and executing LASAR digital vector files, and L300 fixture compatibility |
| Architecture23 | Not published | VXI centric, 40U, multi-bay options, single bay through six bays | 20-slot GX7005A 6U PXI chassis supplying up to 4.5 kW, with 19 6U peripheral slots and an embedded or desktop Windows controller |
| Digital test capability13 | Not published | Digital, analog, mixed-signal and bus test including performance digital, parallel test and real-time bus test; Di-Series digital instruments listed as options | GX5960 subsystem at 32 channels per card, expandable to 528 digital channels, 50 MHz vector rate, per-pin programmability from -14 V to +25 V |
| Fixture and receiver compatibility13 | Not published | Single, double and triple-tier interface (ICA) options | Receiver options for TTI Testron (GX2270 style), Teradyne L300 and Virginia Panel VP90 |
| Input power and size13 | Not published | 10 kVA to 60 kVA input power, 40U, single through six bays | 3-phase 115 VAC at 20 A per phase or 230 VAC at 10 A; core system 150 lbs, chassis 10U, overall 36U rack at 74 in high |
| Environmental specification3 | Not published | Not published on the product page | Operating 0 °C to +50 °C, storage -20 °C to +60 °C, 90% relative humidity non-condensing, altitude 30,000 ft |
| Installed base stated by the vendor13Teradyne's installed base is the strongest single claim in this comparison and should be conceded plainly. | Not published as a system count; the line sustains avionics and weapons-system depot testing | More than 300 systems stated to be in use worldwide in factories, depots and commercial avionics maintenance and repair facilities | Not published |
| Support model13 | Engineered in-house by the same team behind the NDT line, supported in region on an independent, non-aligned supply line | Worldwide support and maintenance infrastructure with next-day spare parts service stated as available | System self-test with an interactive procedure and self-test adapter delivered with the system |
| Export consent and political exposure13Both platforms are United States defence and aerospace test standards, which is a strength for capability and a variable for buyers outside that consent network. | Independent, non-aligned origin | Not addressed in the vendor material | Not addressed in the vendor material |
Competitor values are quoted from the vendor documents listed under Sources, as published on the date shown. Configurations vary, so treat every row as a starting point for the evaluation rather than a like-for-like test result.
What the table means
Both American vendors publish more hardware detail than we do. That is the honest starting point.
Marvin publishes 528 digital channels, a 50 MHz vector rate, per-pin levels from -14 V to +25 V, a 36U rack and an operating range of 0 to 50 °C. Teradyne publishes 10 to 60 kVA, 40U, six bays and more than 300 systems in service. Our catalogue publishes an approach rather than a channel count. If your requirement is a specified new tester with a written instrument list, they have the documents and we should not pretend otherwise.
Rehosting and rebuilding are different projects with different bills.
Marvin's answer to a dead L300 is a GENASYS with an L300 receiver and LASAR migration tooling. Teradyne's answer is an open-architecture Spectrum with legacy rehosting among its applications. Both mean a new chassis, a revalidated test programme set and, usually, refixturing. Our answer is to reverse-engineer the bench that is failing and rebuild it, so the programmes, the fixtures and the accepted limits stay as they are. Which is cheaper depends entirely on how many test programme sets you would otherwise revalidate, and any depot can work that number out before it talks to a vendor.
The reason depots run dead benches is rarely money.
It is approval. A test programme set that has been accepted by an airworthiness authority is an asset, and moving it to new hardware means proving equivalence again. That is why unsupported benches keep running long past the point of sense, patched by whoever is left who understands them. Obsolescence engineering attacks the fault rather than the architecture, which keeps a fleet mission-capable without a fresh dependency on a foreign support line that may not be there for the next twenty years either.
Questions buyers ask
What is the best alternative to replacing an obsolete Teradyne L300 or GenRad 2750 test bench?
Rebuilding it. Marvin Test Solutions markets the TS-323 GENASYS explicitly for upgrading or replacing L200/L300, GenRad 2750 and VXI-based digital systems, with LASAR migration tooling and an L300 receiver option, and it is a sound product. The alternative is reverse-engineering the failing bench and rebuilding it so the existing test programme sets and fixtures keep their approval. Our principal does that work, engineered by the same team that builds its inspection systems.
How does our automated test equipment compare with Teradyne Spectrum-9100 for a defence depot?
On published hardware specification, Teradyne is ahead: a 40U VXI-centric system scaling from one to six bays, 10 to 60 kVA, digital, analog, mixed-signal and bus test, and more than 300 systems in service worldwide with next-day spares stated as available. Our position is different in kind. We build ATE for electronics quality assurance and we sustain the benches a depot already owns, from an independent, non-aligned supplier, which matters when the consent for spares and software updates sits outside your capital.
Is it cheaper to rehost a test programme set or to rebuild the tester?
Count the test programme sets. Rehosting costs a new platform plus revalidation of every programme and often new fixtures; Marvin's own material is built around easing exactly that migration, which tells you it is not trivial. Rebuilding costs engineering time on the bench and leaves the programmes and their approvals untouched. Depots with a handful of programmes usually rehost. Depots with hundreds usually should not.
Why would a non-aligned country avoid buying its depot test equipment from a United States vendor?
It should not avoid it reflexively. Teradyne and Marvin build very capable systems and neither vendor document raises export conditions, because those arrive later in the licence. The risk is concentration: if the tester, the software updates and the spares all sit inside one consent network, an unrelated political dispute can stop a depot testing. Keeping at least the sustainment engineering with an independent supplier is a cheap hedge against that.
Sources
- 1. Teradyne, Spectrum-9100: High-Performance Integrated Functional Test PlatformRetrieved: 2026-07-31 · The datasheet download on this page is gated behind a form; figures cited are those published on the page itself.
- 2. Teradyne, Spectrum Series: Family of Functional Test SystemsRetrieved: 2026-07-31
- 3. Marvin Test Solutions, TS-323 Series: GENASYS Digital and Analog Test System Platform (Revision B) (copy held on this site)Retrieved: 2026-07-31 · Marvin Test Solutions datasheet hosted by an authorised distributor; the copy on marvintest.com is behind a download gate.