NAD T758 V3 (circa 2017–2018)
Documentation on the NAD T758 V3 is thin. There is no surviving service manual, no confirmed production run, and no complete specification sheet in the usual archives. What the record does show is a 7.1-channel home theater receiver from NAD's modern era. It carried the company's MDC (Modular Design Construction) upgrade path and built-in BluOS streaming.
The receiver offered three HDMI 2.0b inputs and one output with UltraHD 4K video, HDCP 2.2, 4:4:4 color, and HDR support. That spec set dates it to the 2017-2018 period. It included three Dirac Live filter slots, though the version shipped was the "LE" (limited edition) variant. Owners on AVS Forum (December 2018) noted it was "pretty easy" to make the LE version behave like the full version, and the workaround circulated among enthusiasts. NAD's own advertising and dealer listings pushed the MDC technology - the ability to swap modular cards for future upgrades - and the free NAD AV Remote iOS app. Original pricing appears to have been around US$1,399, with European listings at €1,799.
Owner reports are mixed. Some praised the NAD sound and Dirac Live integration as a "very very big plus." One dissatisfied former owner on discuss.avscience.com (December 2018) called modern NAD products "bad, sound terribly uninvolving," and behind on connectivity standards. A common thread in forum complaints was HDMI handshake quirks. One user reported the unit incorrectly telling source devices that 720p was the best available resolution, and another described the receiver switching the TV to a different HDMI input on power-up. Some owners also reported the LPF for the LFE channel as set too low.
Servicing the T758 V3 is unusual. Repairs involve swapping internal "replacement cards" at an authorized service location, and NAD covers that under warranty. No service manual has surfaced publicly. Collectors looking for one have come up empty, and one owner noted on Audioholics that they could only find a common theme across the 787, 777, 755, and 747 manuals - not the 758 itself.
Known facts, in brief:
- Three HDMI 2.0b inputs, one output; 4K UltraHD, HDCP 2.2, HDR
- Three Dirac Live filter slots (LE version shipped)
- Built-in BluOS streaming; MDC modular upgrade slots
- Outputs rated at 0.75 VRMS per NAD
- Period pricing: ~US$1,399; €1,799 in Europe
- Service via authorized locations only — internal cards are swapped, not repaired
The gaps still open are the usual ones: measured power output per channel, dimensions and weight, and a first-hand account of how the Dirac implementation actually performs. The forum record suggests the unit found a following despite its quirks. One owner on AVS Forum (page 147) reported being "very pleased with the sound" despite the bad reviews.
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