My 5508 has been doing something strange lately. There is almost no bass anywhere. I've done Audyssey XT32 with the supplied microphone, and also with my Audyssey PRO kit. The PRO measurement page (and confirmed with REW) show linear-ish response down to almost 10Hz, but playing music and movies can best be described as 'anemic'. I've had it for a good while and it played very well before with lots of deep and tight bass. All my amps and speakers are confirmed working with other processor. I've tried a reset, but that doesn't wipe the unit, it just resets every setting back to defaults. It does now wipe the calibration, and level trims and distances are still intact.
Is there any way to do a proper reset of this unit?
Is there any setting that would make pretty much all the low bass disappear? The subs are active during play, they just feel highpassfiltered.
What I've tried so far:
Processor reset. This did not help.
Confirmed all speakers are workign well with another preamp.
Confirmed the problem exist in both sub and LCR channels by hooking the subwoofers up to the front speaker outputs, setting the processor to fullrange with subs off.
As measured by REW, it looks like it used to before, but plays like a bookshelf speaker. I have powerful low-tuned subwoofers and large dual 15" and horn LCR speakers. The system is plenty capabable. The measurement is with both subs and both front speakers, no Audyssey, hence the combfiltering.
