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Euphonix MD 704 MADI to AES/EBU Converter - $75 (Tustin)
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from a High-End Studio Setup!
Hunting for that legendary, hard-to-find piece of
broadcast/studio-grade digital conversion gear? The Euphonix MD704 is
a true classic — a rock-solid MADI to AES/EBU converter that delivers
pristine, transparent 24-channel digital breakout from optical/coaxial
MADI streams into professional AES/EBU (and XLR) outputs. These units
powered some of the most respected large-format digital consoles and
post-production workflows (think Euphonix System 5 / Avid roots) and
are still prized today for their clean signal path, rock-steady sync
handling, and bulletproof build quality.
Why This One Stands Out:
24 channels of MADI → AES/EBU conversion (12 AES pairs) — perfect for
interfacing MADI-equipped consoles, routers, recorders, or modern DAW
I/O with legacy AES gear
Supports up to 96 kHz / 24-bit operation with flexible sync (AES, Word
Clock, internal, or locked to incoming MADI)
Bonus auxiliary outputs: stereo analog XLR + stereo digital (AES/EBU
or S/PDIF) for monitoring or extra flexibility
Rack-mountable (standard 2U/19") with power cord included — ready to
drop into your rig
Decommissioned from a real working professional environment — these
weren't hobby units; they ran serious sessions day-in, day-out
Condition & Transparency (Honest Used Gear Vibes):
Shows normal signs of pro use: light scuffs, scratches, rack rash, and
typical markings from years in a controlled studio rack — all
cosmetic, nothing that affects performance
Powers ON and appears fully operational (basic power-up confirmed)
Not exhaustively tested in every scenario — sold as-is for those who
know how to integrate and troubleshoot vintage pro audio
Includes only what's shown in the photos — no manual, extra cables, or
original packaging
No remaining manufacturer warranty (as expected for discontinued,
pre-owned high-end gear — Euphonix is now Avid legacy)
This is a rare find — these MD704s don't pop up often, especially in
functional condition with XLR AES outputs. They're sought after by
live sound engineers bridging MADI systems (e.g., to Behringer X32/M32
expansions), post houses maintaining legacy digital chains, and
collectors who appreciate that ultra-clean Euphonix conversion sound.
Check the detailed, high-res photos closely — what you see is
precisely what you'll get. If you're building or expanding a
MADI-based setup and want proven, no-compromise conversion without
paying new-equivalent prices, this is your chance.
Sold strictly as-is, as-pictured. Power cable not included. No returns
on used pro audio unless major misrepresentation. Grab this unicorn
while it's available — these move fast in the right circles.