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Old 5th August 2014, 09:46 AM   #1
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Location: Scotland
Smile My silly speaker questions

Good morning folks, now i have an apt thread title let me start im new on this site but from reading alot on here the following may make some people sick
Im not an audiophile by any measure but can tell the difference between good and bad

Im probably looking for the impossible but ill ask anyway.
I live in the UK and im starting to build my system. Im on a budget and i understand how that will affect things.

Id like to build everything i can so im looking for speaker kits. This is for a 7.1 system. Id like to have nice sounding speakers to be powered by class D amps with around 100 watts output per channel.

Heres the impossible bit; after a time, when the entire system is built id like to try out valve amplification ( probably a mullard type design )but i dont want to blow money on yet more speakers until i have to, as this is probably going to be a cheap setup for some but no doubt will stretch my budget.
Are there any kits that will work well with valve amplifiers (50 watt-ish) and class D (100 watt-ish)
Thanks for takng the time to read and mh apologies to those who feel this as vomit inducing

Regards
Jim
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Old 5th August 2014, 01:09 PM   #2
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Find a kit* that has reasonably good efficiency. I'd hazard a guess and say at least 89dB/W/M or higher. That should nicely cover the lower wattish (valve) demands and yet provide sufficient headroom for pleasing sound that won't lead to clipping.

I am not aware of any 7.1 kits. You may have to combine 2 or 3 kits to accomplish your 7.1 objectives.
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Old 5th August 2014, 01:29 PM   #3
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Thanks for the reply

Ive been contemplating the swope range from meniscus audio.
Meniscus Audio Group

In the pdf it says they have an efficiency in the low 90's , they look good and they fall into the right area in my budget.
Thing is the pdf says that the centre speaker has two woofers wired in parallel which drops it to 4 ohms.

Would this lead to problems for my diy amplifier plans?
I had intended to simply use the same class D design for each channel/pair
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Old 5th August 2014, 01:38 PM   #4
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Forgot to mention, the other speakers in the range are 8 ohm, although that was probably obvious to you??

Also, i didnt see anything covering the power the speakers can handle. Does that matter?

What are your opinion on those speakers??
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Old 5th August 2014, 02:13 PM   #5
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You can find some more information on the woofer here:

http://www.parts-express.com/pedocs/...ions-45110.pdf

From it, two observations can be made: 1) according to the manufacturer, optimum enclosure size per driver would be 9 litres, which I feel is already smallish in view of the TS parameters. The Meniscus Audio group goes even smaller, which might lead to a boomy sound, 2) efficiency is quoted as 85 dB/2.83V @ 8 Ohm. This will lead to an efficiency if mounted in parallel of 91dB/2.83V @ 4 Ohm. However, efficiency in terms of Watts would be 88dB, and this is what the manufacturer quotes, so it might be optimistic.
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Old 5th August 2014, 02:35 PM   #6
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Thankyou, i never thought about looking for a datasheet from the manufacturer.

I think i may start to struggle with this, i see on that datasheet that the speaker is designed for 35W, if im reading it right.

Anyone any suggestions as to speakers that would fit the requirements, around $200 per kit.
My budget for all of the speakers, except the sub woofer and enclosures is in the region of £1500, with postage if possible.

Im not hoping to get stellar performance, especially as id imagine most people spend more than my budget on a single speaker just something to give a good sound when watching movies mainly. It would be nice if i could also use them to experiment with my own valve amplifier builds too.

Thanks
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Old 5th August 2014, 02:49 PM   #7
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Unless you really want to be a builder, your budget should get you a very nice sounding 7.1 system from a reputable manufacturer. Have you shopped around already and given up?

Some years back I bought a Teac 5.1 system from a local discounter for about $400 that included a receiver and was very happy with it. In fact, I still use the front and center speakers with my TV and the sub with my two channel mid-fi system that employs my Intimates stand mount 2-ways.
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Old 5th August 2014, 03:05 PM   #8
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I would really like to build things if possible.
I really enjoy the building of things aswell as the using.

I may need to change my goals or increase my budget, ive been looking at speaker kits on and off cor about a month, not a lot of kit suppliers provide info on the rated speaker wattage or efficiency and to be honest it hadnt occurred to me to check manufacfurers sites.

Im not too sure as to how to proceed now, i may start looking at secondhand items and see where that takes me.
Any suggestions?

Last edited by lightninjim; 5th August 2014 at 03:30 PM. Reason: spelling
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Old 5th August 2014, 03:45 PM   #9
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Ok then,on a change of tack, the valve amps arent my main priority.
What id like are 8 ohm speakers that sound quite nice/acceptable can handle the 100W per channel and come in kit form with a budget of around the £200/$335 per speaker.

Ive always wanted a good sounding system, and ive always wanted to build it.
Any help or pointers would be greatly appreciated. Even better search pointers would be a help

Thanks again
Jim
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Old 5th August 2014, 04:19 PM   #10
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Browse here.... Kits, Cabinets, Parts, Spikes etc.

Source is nearby and has some of the best kits available on your side of the 'pond'. How does 350 lbs sterling (Incl. VAT) sound for TWO LS3/5a speakers! sound? :-)
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