steverb
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Posts posted by steverb
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If you to play vinyl you need to spend
$$$ on a descent deck (or a used one which are dirt cheap). I tried to go the cheap used option (a Dual) to replace the Rega I sold, I dont use it because of the poor sound(I still have some records, most went to the dump)
New Record player's probhably arent good
value for money any more, and then there's the cost of new cartridges.
But if one has the money to spare, then why not(most wouldnt)
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If you really want music under this price grab a turntable.
And miss out on the 99% of releases that are CD only. Ah, who really misses the clicks & pops of badly made records.Buying a record that a visible (and audible) defect in ALL the locally available pressings was the last straw.
I remember one limited edition numbered (German? )pressing sold here. The quality
was so bad it rumoured that they couldnt get the original master tapes so the just
got a record & used that for the master.
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Originally posted by Lech
Aaarch! I think you've broken the gold-plated-tungsten-steel rule of making DIYing at least 3/4 fun, and only 1/4 easiness!
Thats why I bought a Home theatre amp
& built a separate amp just for the CD.
The great trap of DIY is to much time building (& research?), not enough time enjoying the music.
And of course it is much more enjoyable to listen to when you build it yourself.
Now if I could just build a speaker cabinet large enough for a few rooms to fit inside...
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Would you pay $19K when you realise in 5
years it will be worth bugger all.
Same as cars I guess.
It breaks your heart when your expensive CD player starts to die .
Sigh
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Have a look on trade me. Some 5.1 decoders have buit in amps for the rear
speakers(sometimes sell for less than $200 for what were very expensive units).
http://www.trademe.co.nz/Electronics/Home-stereo-theatre/Home-theatre/mcat-0124-0424-0061-.htm
Pro Logic is basicly faked surround & sometimes sounds worse than
stereo.
Ive got my XBOX going into 5.1, sounds great . (not all games support surround though)
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For a voulme control used a 5 ganged?
rotory switch with a switched resistor network
Or use a volume control IC
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Value for money?
dealer markeup?
Perhaps we should ask what they actually cost to make, and how much to DIY the same thing
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I'm not an 'expert' but
You can get 5 channel pro logic amps very cheap now(just sold my 85W x5
for less than $200) If you just want to save money then dont bother.
I built a few kits over the years.
You can almost guarentee that the parts in them will be cheapest available
Keep the PCB & power transistors,
perhaps replace the rest. Driver transistors should be replaced with
genuine Motorola(On Semi?) where applicable. Ive had generic driver transistors blow in a few of my first amps,
parts then caught fire.
The 480 is a very old design with problems admitted by SC. I assume u are going for
the 480 "upgrade kit"
The 50W IC kits can supposodly give very good sound if not pushed too hard
I you want to learn a bit then get the book "High Power Audio Amp Construction Manual"
from DSE, a very easy read.
HT amps power IS vastly over rated.My
135W Onkyo Amp is 80RMS x 6 (from the manual) & may only be 40W all channels driven. Noway is the transformer big enougth for 80Wx6 .
Add 50% to amp power output to get approx transformer VA needed (of course you can use smaller transformers but if you're going to build it, may as do it right)
Speakers arnt hard to build, but the cost of drivers from Jaycar is way too high. Also the speaker specs of the generic brands are famous for being way out (ie:lies??)I bought a couple of
the vifa 8" from Jaycar, worth a look?
The guys post above has a link for fake transitors, local suplliers have sold them( more than once?)
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Which 50W kits?? Are you getting them
from Jaycar or DSE.
BEWARE OF FAKE POWER TRANSISTORS
Generally they are nothing special. These
Aus mag dedigns tend to quote great distortion, but they use a lot of -ve feedback to achive this taher than graet design.
The 50W IC kits are qite idiot proof, have
good protection circuitry & are very easy to build. Bear in mind anything you build is
worthless if u want to ever sell it & cost can climb quite quckly(especially to build a good power supply) Howcever the power supply you can keep forever & just keep upgrading the amp modules
I found the hardest part of DIY is getting it to look good.
http://pub134.ezboard.com/ffakeidsfrm1
http://www.diyaudio.com/forums/forumdisplay.php?forumid=4
Also try posting on the newsgrous
aus.hifi
aus.electronics
How much would you pay for a CD player?
in General Hi-Fi & Beginners Discussion
Posted