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Extremely low inductance Sanyo OS-con capacitors and locally placed voltage regulators
are used where required on the DAC board.
The mute circuits are entirely relay-controlled, which is an audiophile approach, unlike
the bipolar transistors and MOSFET switches commonly used for muting.
Together these engineering choices result in a very high quality audio stage. Noise and
THD are extremely low according to the objectives of Primare design.
Primare’s BD32 audio board
Video Section
The video board is similar to that used by OPPO, being of very good quality. But its
performance in the BD32 is optimised by replacing a switch-mode power supply with a
proprietary Primare linear power circuit, custom engineered for very low video signal
distortion (see power supply section).
In addition the BD32’s electrical design is improved by superior grounding which keeps
the noise level consistently low regardless of the connected video display.
Dual simultaneous 1080P V1.4a HDMI outputs are provided:
HDMI 1 is the primary output, run by the Marvell Qdeo Kyoto-G2 video processor for up-
scaling and video adjustment functions, as well as aspect ratio conversion (stretch zoom)
to 2.35:1 (with anamorphic lens). If the A/V processor in the main zone is 3D (HDMI
1.4a) compatible then audio and video may be sent via HDMI 1. If the A/V processor is
not 3D compatible then HDMI 1 video output can be sent to the display while HDMI 2
carries the HD audio (including DSD, Dolby True HD and DTS Master Audio)
simultaneously to the processor.
If HDMI 2 is not needed to carry audio in the main zone, it can be used to feed both 3D
video and HD Audio to a compatible TV and/or surround processor to a second zone, but
without the adjustment functionality of HDMI 1.
If neither zone is equipped with 3D capability, then the BD32 will deliver FullHD video
and HD Audio to two zones simultaneously via its dual HDMI outputs.
more…
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