Bryston SP3, Manual

Page: 43 / 72

SP3 PREAMP / PROCESSOR
SubWoofer Setup Page 3 of 4
4. Xtra Bass feature.
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If Subwoofer is present and the Front speakers are declared as Large then bass contents
will be streamed through the Front speakers while only LFE will be reproduced through
the Subwoofer. In this case, in order to make the subwoofer reproduce bass from the
Front speakers as well, in addition to being reproduced by the Front speakers, Xtra Bass
option can be enabled. Xtra Bass option has no effect and is disabled when the Front
speakers are declared Small or when no subwoofer is present. Xtra Bass option has no
effect on LFE reproduction.
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With the Front speakers Large, Xtra Bass option can be enabled by setting the following
parameter to ON:
SOURCE SETUP

SUBWOOFER

XTRA BASS
In addition, the mixing volume level of the bass contents can be adjusted by this
parameter:
SOURCE SETUP

SUBWOOFER

LEVEL
The adjustment range is -20dB to 0dB. The LEVEL parameter applies only to
Subwoofer in Xtra Bass (on top of the normal Subwoofer Level correction from
SOURCE SETUP

SPEAKR LEVEL). It is disabled and not applied if Extra Bass is not
ON.
5. Interpretation of the x.1 and x.0 symbols on the SP3 idle screen
“IN:…” line:
Symbol ".1" or ".0" (as in 5.1 in the “IN: DdDigital 48k 5.1” above) indicates a presence
or an absence of the LFE channel in the input stream. This is independent on the SUB
selection in the SOURCE SETUP menus. It reflects the status flags embedded in the
digital input stream. The actual flags can be read in hexadecimal format in SYSTEM
SETUP-->TESTS-->SYSTEM STATUS: SIGNALFORMAT
“OUT:…” line:
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Currently in firmware release 2012.05e, Xtra Bass feature only applies to 2 channel analog, digital
and HDMI sources. It is not active for multichannel 5.1 or 7.1 sources, even if enabled., and is not
applicable in bypass modes. In the future release this limitation will be lifted.
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LFE will always be reproduced only though either the Subwoofer if present regardless of the size of the
Front speakers, or through the Front speakers if Subwoofer is not present and the Front speakers are Large.
APPENDIX G: SUB-WOOFER SETUP continued