Maher Posted January 15, 2017 Share Posted January 15, 2017 I did a full MCACC Pro calibration after properly placing all speakers (5.1 setup), the Pioneer AV receiver detected surround sound speakers (RP-250S) as a large tower speaker ! Should I keep the setting for these surround speakers Large as calibrated or change it to Small manually? I know the RP-250S is strong and has deep bass. Need your opinions Quote Link to comment Share on other sites More sharing options...
derrickdj1 Posted January 15, 2017 Share Posted January 15, 2017 MCACC has a tendency to set to many of the speakers as Large. All the speakers should be set to Small if using a subwoofer. If you don't have a subwoofer then leave the front speakers set to Large and set all the other speakers to Small. I know the think of setting the speaker to Large or using the Subwoofer Plus feature sound like it would give you more bass but, your are more likely to get worse bass. Are you bulding an 11.2.2 setup? How large is the room and are you upstairs or in a basement? These things can have a big impact on future setup. Quote Link to comment Share on other sites More sharing options...
Maher Posted January 15, 2017 Author Share Posted January 15, 2017 (edited) My current setup is 5.1 After one year I will purchase Dolby atoms speakers to make 5.1.4 setup My hall size is 7.6m X 11m and seating area is 5m X 7m where my home theater is set Edited January 15, 2017 by Maher Quote Link to comment Share on other sites More sharing options...
derrickdj1 Posted January 15, 2017 Share Posted January 15, 2017 I would plan on no less than two subwoofers for that size room. One sub may be under whelming and also the bass most likely will not be even throughout the room. If this is a dedicated theater with a couple of rows of seating the 5.2.4 will work well. If the seating is spread around the room consider a 9.2.2. Basement rob subwoofer performance 10-15 db. and the tactile response is greatly diminished. Multiple subs may be needed depending on the desire for bone shaking effects from explosion and special effects in movies. Ceiling Atmos speaker may be more effective in a large room compared to Dolby Atmos enabled speakers due to better placement options. 1 Quote Link to comment Share on other sites More sharing options...
Maher Posted January 15, 2017 Author Share Posted January 15, 2017 Thanks for the advice, I will definitely buy ceiling atmos speakers in the future The sub-woofer I have is klipsch R-115SW which is strong enough to shake my home Quote Link to comment Share on other sites More sharing options...
AaronB123 Posted January 16, 2017 Share Posted January 16, 2017 Ya, I would change them to small. I am running K-horns and have them set to small. Between small and large I have never noticed a difference. Some AVR's though, including Pioneer if I remember correctly will send the full frequency spectrum to the mains if you set them to large which isn't necesarilly bad when listening to music but if you throw a bluray on, especially one with heavy bass scenes they can send very loud extremely low frequencies to the mains which can damage them. My brother actually blew his mains doing this by accident. Also, setting them to small will leave the AVR's amp open to focusing on the higher frequencies. The lower frequencies are much more taxing on the amp which is why subs have built in amps. Quote Link to comment Share on other sites More sharing options...
Maher Posted January 17, 2017 Author Share Posted January 17, 2017 (edited) As you mentioned to set front and surround speaker to small to avoid pass extreme low frequency (heavy bass) to them in case of having subwoofer. I am wondering if these reference premiere class front speakers RP-280F and Surround Speakers RP-250S can't handle heavy bass; isn't these speakers should have built-in filter or crossover to avoid pass unnecessary frequencies to the speakers as a protection ? for example RP-280F Frequency response is 32~25kHz isn't all frequencies below than 32Hz should be filtered by speaker itself to avoid damages? Edited January 17, 2017 by Maher spelling correction Quote Link to comment Share on other sites More sharing options...
Maher Posted January 17, 2017 Author Share Posted January 17, 2017 Or setting crossover at 80Hz in A/V receiver should avoid sending lower frequencies (heavy bass) to front and surround speakers...I'm I right ? so if I set all speaker as LARGE (Front, Center & Surround) and set crossover at 80Hz in A/V receiver; shouldn't this setting protect these speakers if speakers didn't have built-in protection method? Quote Link to comment Share on other sites More sharing options...
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