Problems with HT speaker setup

Vivek · 15th April 2006, 09:00 PM

Hi all,
I am stuck in a mess and was hoping I would get some ideas here.
I have made an MTM with Vifa TC18WG49-08 and D27TG-05-06. Now I use the speakers with a DIY 70W amplifier. It sounds good with that amp. I am now setting up my home theatre system. But the MTM does not sound so good with my Denon AVR1403 receiver. The output is rather less and I have to pump up the volume. The receiver heats up too much if I use the MTM with it and the sound is not so good. The receiver plays better with 8 ohm speakers. So obviously my Denon does not handle 4 ohms very well.
What I thought was to break up the MTM and make front TM speakers with TC18 and D27 and use the other two TC18s for a centre channel speaker.
Alternately, I could buy a pair of Vifa P17WJ and use it with the D27 to build a TM front tower. Anyway the P17WJ midbasses are also better than the TC18 and could be used for music also.
What do you guys think?

Cheers,
Vivek

jaudio · 15th April 2006, 10:25 PM

Going 8ohms will make it easier for the receiver but if it is anything like the AVR1702,then you have to turn the volume knob pretty far to the right to get a decent sound level.

Luke · 16th April 2006, 01:45 AM

Has the reciever got preouts so as you can use your diyamp to drive your MTMs?

cheers arthur

Vivek · 16th April 2006, 02:10 AM

jaudio,
You are right. Turning up the volume too much will be pushing the limits of the receiver. That is something I do not want to do, right?

Arthur,
The receiver does not have pre outs for the 5 channels. It has only tape out and vcr line level outputs. I tried hooking up the tape out/ vcr to the external amp but it works only in the case of tuner/ CD/ auxiliary inputs. By doing this the fronts are not controlled by the master volume on the receiver.

rabbitz · 16th April 2006, 03:51 AM

You can always get a line level signal from your receiver using a dividing network or there are some commercial ones you can buy.

http://www.hut.fi/Misc/Electronics/c...r_to_line.html

Not the best solution but it would work for HT and please read the notes on grounding as it can end in tears.

The best option is dedicated speakers for HT and music.

Vivek · 16th April 2006, 04:03 AM

But how would small bookshelves with the TC18 and D27 for the front and surrounds work out?

roger_lew · 16th April 2006, 07:27 AM

You could also try using the headphone out on your Denon for your diyamp. Again not the ideal solution but might be a decent short term solution.

Vivek · 16th April 2006, 07:46 AM

I could use the headphone out but it will not be effective when I am using a 5.1 setup, will it?

roger_lew · 16th April 2006, 10:31 PM

If your receiver allows you to power your speakers and your headphones at the same time you can use the reciever to power your center and surrounds and use your diyamp to power your mains. Plus your headphone jack is controlled by the master volume.

I had a similar setup for awhile so I could use my NAD 304 to power my mains until I found a technics ac-sh300 surround processor.

Vivek · 17th April 2006, 05:07 AM

Sadly, it does not. I get the headphone output only when front speakers A and B are switched off.

15th April 2006, 09:00 PM	#1
Vivek diyAudio Member Join Date: Nov 2000 Location: Bangalore, India	Problems with HT speaker setup Hi all, I am stuck in a mess and was hoping I would get some ideas here. I have made an MTM with Vifa TC18WG49-08 and D27TG-05-06. Now I use the speakers with a DIY 70W amplifier. It sounds good with that amp. I am now setting up my home theatre system. But the MTM does not sound so good with my Denon AVR1403 receiver. The output is rather less and I have to pump up the volume. The receiver heats up too much if I use the MTM with it and the sound is not so good. The receiver plays better with 8 ohm speakers. So obviously my Denon does not handle 4 ohms very well. What I thought was to break up the MTM and make front TM speakers with TC18 and D27 and use the other two TC18s for a centre channel speaker. Alternately, I could buy a pair of Vifa P17WJ and use it with the D27 to build a TM front tower. Anyway the P17WJ midbasses are also better than the TC18 and could be used for music also. What do you guys think? Cheers, Vivek __________________ Thank God for DIY audio.

16th April 2006, 02:10 AM	#4
Vivek diyAudio Member Join Date: Nov 2000 Location: Bangalore, India	jaudio, You are right. Turning up the volume too much will be pushing the limits of the receiver. That is something I do not want to do, right? Arthur, The receiver does not have pre outs for the 5 channels. It has only tape out and vcr line level outputs. I tried hooking up the tape out/ vcr to the external amp but it works only in the case of tuner/ CD/ auxiliary inputs. By doing this the fronts are not controlled by the master volume on the receiver. __________________ Thank God for DIY audio.

16th April 2006, 03:51 AM	#5
rabbitz diyAudio Member Join Date: Jul 2003 Location: Newcastle, Australia	You can always get a line level signal from your receiver using a dividing network or there are some commercial ones you can buy. http://www.hut.fi/Misc/Electronics/c...r_to_line.html Not the best solution but it would work for HT and please read the notes on grounding as it can end in tears. The best option is dedicated speakers for HT and music. __________________ No longer DIY active

16th April 2006, 04:03 AM	#6
Vivek diyAudio Member Join Date: Nov 2000 Location: Bangalore, India	But how would small bookshelves with the TC18 and D27 for the front and surrounds work out? __________________ Thank God for DIY audio.

16th April 2006, 07:46 AM	#8
Vivek diyAudio Member Join Date: Nov 2000 Location: Bangalore, India	I could use the headphone out but it will not be effective when I am using a 5.1 setup, will it? __________________ Thank God for DIY audio.


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15th April 2006, 10:25 PM	#2
jaudio diyAudio Member Join Date: Oct 2004	Going 8ohms will make it easier for the receiver but if it is anything like the AVR1702,then you have to turn the volume knob pretty far to the right to get a decent sound level.

16th April 2006, 01:45 AM	#3
Luke diyAudio Member Join Date: Sep 2001 Location: Wellington NZ	Has the reciever got preouts so as you can use your diyamp to drive your MTMs? cheers arthur

16th April 2006, 07:27 AM	#7
roger_lew diyAudio Member Join Date: Nov 2005 Location: Moscow, ID	You could also try using the headphone out on your Denon for your diyamp. Again not the ideal solution but might be a decent short term solution.

16th April 2006, 10:31 PM	#9
roger_lew diyAudio Member Join Date: Nov 2005 Location: Moscow, ID	If your receiver allows you to power your speakers and your headphones at the same time you can use the reciever to power your center and surrounds and use your diyamp to power your mains. Plus your headphone jack is controlled by the master volume. I had a similar setup for awhile so I could use my NAD 304 to power my mains until I found a technics ac-sh300 surround processor.

17th April 2006, 05:07 AM	#10
Vivek diyAudio Member Join Date: Nov 2000 Location: Bangalore, India	Sadly, it does not. I get the headphone output only when front speakers A and B are switched off. __________________ Thank God for DIY audio.

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