New setup power limitations & clipping
Hi all. I have an issue with my new setup. I've done a LOT of reading and unfortunately given that I'm quite new and only know the basics I'm more confused than I was before.
So to get it all started here is my new HT with all the specs I think you might need to help me out.
Front: 105 W + 105 W (8 Ω/ohms, 20 Hz – 20 kHz with 0.08 % T.H.D.)
Center: 105 W (8 Ω/ohms, 20 Hz – 20 kHz with 0.08 % T.H.D.)
Surround: 105 W + 105 W (8 Ω/ohms, 20 Hz – 20 kHz with 0.08 % T.H.D.)
Surround back / Height1 / Height2: 105 W + 105 W (8 Ω/ohms, 20 Hz – 20 kHz with 0.08 % T.H.D.)
Digital D/A output: Rated output — 2 V (at 0 dB playback) Total harmonic distortion — 0.008 % (1 kHz, at 0 dB) S/N ratio — 102 dB Dynamic range — 100 dB Digital input: Format — Digital audio interface 0 Phono equalizer Input sensitivity: 2.5 mV RIAA deviation: ±1 dB (20 Hz to 20 kHz) S/N: 74 dB (IHF-A) Distortion factor: 0.03 % (1 kHz, 3 V)
Power consumption: 660 W
Front: Klipsch R-625FA
FREQUENCY RESPONSE 38Hz - 21kHz +/- 3dB SENSITIVITY 96 dB @ 2.83V/1M POWER HANDLING (CONT/PEAK) 100W/400W NOMINAL IMPEDANCE 8 ohms Compatible CROSSOVER FREQUENCY 2,000 Hz
Center: Klipsch R-34C
FREQUENCY RESPONSE 82Hz - 21kHz +/- 3dB SENSITIVITY 96 dB @ 2.83V/1M POWER HANDLING (CONT/PEAK) 100W/400W NOMINAL IMPEDANCE 8 ohms Compatible CROSSOVER FREQUENCY 1,600 Hz
Surround: Klipsch R-51M
FREQUENCY RESPONSE 62Hz - 21kHz +/- 3dB SENSITIVITY 93 dB @ 2.83V/1M POWER HANDLING (CONT/PEAK) 85W/340W NOMINAL IMPEDANCE 8 ohms Compatible CROSSOVER FREQUENCY 1,660 Hz
Rear height: Klipsch R-41SA (fronts are presumably the same but built into main towers)
FREQUENCY RESPONSE Conforms to Dolby Atmos Specifications SENSITIVITY Conforms to Dolby Atmos Specifications POWER HANDLING (CONT/PEAK) 50W/100W NOMINAL IMPEDANCE 8 ohms Compatible CROSSOVER FREQUENCY 4,237 Hz
Sub: Klipsch R-120SW
FREQUENCY RESPONSE 29Hz - 120Hz +/- 3dB MAXIMUM ACOUSTIC OUTPUT 116 dB AMPLIFIER All Digital AMPLIFIER POWER (CONT/PEAK) 200W/400W
MLP @ 2.5meters. I’ve run the Audyssey setup and the only thing I’ve changed is +4db for Atmos speakers like a lot of people recommend.
Crossovers set at:
Atmos speakers front & back: 80hz
Sub set to LFE+Main with crossover at 120hz.
All the sound enhancements in AVR turned off (Loudness Management, Dynamic Compression etc etc). Only thing that is left on is MultiEQ XT32 set to Reference to maintain my room characteristics.
The other day I decided to test it all out. And given that at the time I knew even less than I do now I went all the way to max which is +18db. And to make it even worse, I put the stereo music track into Dolby Surround which started playing through all speakers. It played fine absolutely perfect at 0db. Above about +3db there was not much increase in volume as such (I didn’t notice that at the time, only retrospectively after reading about it). The main issue was with the center speaker where most of music was focused for some reason and high frequency overwhelmed everything else really bad. I might have spent like 5mins at that volume before I turned it down. Then I noticed the smell in the room, coming from front facing ports on the central speaker. It was not like burning but more like a chemical wood glue or some other adhesives. I didn’t think much of it initially, just though that new speakers + more cone movement due to higher volume = more production smell coming out. But then I started researching, read about clipping and here we are. Luckily even though I know I wasn't doing that speaker a favour it has not been damaged cause I cannot hear any distortion from it all all. Well, even at the time I couldn't. It was just that balancing issue.
I looked into all the aspects and like I said at the start, I’m still confused. So to make it slightly easier for you guys and myself I'm gonna fire up all of my questions and number them as well (I'm a bit daft when it comes to reading in between the lines of a subject I don't know much about).
1.Am I running out of power when driving all the speakers above 0db or speakers are not good enough?
2.If power is the issue is there anything I can do? Like increase crossover on mains etc
3.If I was to play same track (or any other track for that matter) at max in STEREO based on spec numbers alone, am I capable to do so safely for the equipment?
4.If I was to watch a movie in Atmos set at 0db do I have enough power to do so when it comes to overhead?
5. I mentioned above that I don't think that the centre speaker got damaged but based on what I said what do you think? No distortion and still plays fine = I got away with it?
Obviously I would not watch a movie at that kind of volume, I just want to find out what this setup is safely capable of driving so I dont destroy it due to my lack of knowledge. Same goes to music in stereo, just a few minutes brag at max etc etc.
I know is quite a task asking you to go through all of this for me, it's just that I want to know what is my bottleneck and how to avoid driving my setup to the ground prematurely. Especially that for me spending £3500 was already quite hard to justify in the first place.
Thanks for any help I can get.
P.S I'm sure I'll have some more questions coming towards you down the line