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HDMI Audio Processor
Form factor
• 1U 19in rack mounting or free standing

Power
• Internal universal power supply, 100–250Vac

Connections
• Power input (IEC connector)
• DB9M Sub RS232 serial connector
• BNC and DIN Meridian Comms
• Six HDMI input sockets
• HDMI output
• 8-channel MMHR digital audio out (RJ45)
• 8-channel coax digital audio out (4 x phono)

Front-panel Indicators
• Power LED
• 6 x HDMI Input LEDs (selected input lights)
Documents
HD621 TechNote 16 - MConfig (711.8kb)
HD621 User Guide v1.0a, 23-02-2009 (1,074.7kb)
HD621 User Guide v1.1, 01-04-2009 (1,075.3kb)
HD621 User Guide v1.1a, 01-05-2009 (1,126.6kb)
HD621 User Guide v1.3, 01-06-2009 (1,525.2kb)
HD621/2 User Guide Part no: (P88400) (558.3kb)
FAQ Configure HD621 in 2 channel system (529.0kb)
FAQ; Configure a HD621 in legacy system (528.5kb)
HD621 Audio Processor Version Notes (4.7kb)
HD621 Brochure (228.5kb)
HD621 Datasheet v1.3, 05-01-2009 (1,278.8kb)
HD621 Datasheet v1.4, 14-01-2009 (1,278.2kb)
HD621 Datasheet v1.6, 05-03-2009 (1,284.1kb)
HD621 Datasheet v1.7, 01-06-2009 (1,078.0kb)
HD621 Datasheet v2.0, 25-01-2012 (904.1kb)
HD621 Press release 25-03-09 (60.1kb)
HD621 Press release 3D Update (134.1kb)
HD621 Product Information (1,284.1kb)
HD621 Product Information (German) (895.5kb)
HD621 RS232 Control Information v1 (79.9kb)
HD621; Press release (Swedish) (756.2kb)
 
Photos (view all)
HD 621; Box contents (205.3kb)
HD621 Front; rack mounting (40.1kb)
HD621 Internal view (1) (366.2kb)
HD621 Internal view (2) (329.3kb)
HD621 Rear (101.6kb)
 
Reviews
861 & HD621 Alpha Audio Nov 10 (Dutch) (link)
Review; residential systems Oct 28 2009 (link)
 
Internet Links
HD621 Official Website (link)
What Hi Fi S & V. March 20 2009 (link)
 

meridian-audio[.info] (c) 2022 by Duncan Rolfe
If anyone has any additions that they would like to include please email them to: meridian-4294 at meridian-4294-audio dot info