Question about Technics SC-DV290 System

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'stereo' speaker problems

The satelite speakers work fine, but the 2 main stereo speakers sound garbage ! there's high and low frequency wiring options and neither of them produce good quality sound. the low frequency (european) setting is so muffled its impossible to make out anything, and the high frequency (for australia) setting has no bass behind it at-all. a signal test can only be heard using the australian set-up. oddly enough, when i use a set of old aiwa speakers in their place, the system as a whole is amazing ! can anyone suggest whats going on, and a possible solution please :-) p.s. as i continue to use the aiwa speakers, am i doing any damage ? i would prefer to use the technics speakers provided. thanks in advance, Fil.

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Yer man there a load of **** i've got 2 x DV290's one for the back of my studio & one powering the front,your lucky you only had 2 **** speakers i had 4 lol.
but there is light at the end of the woofer,they have to be wired together its as if one makes the other one work,so you put GRAY & BLUE in you get BASS or hum ,you put BLACK & RED in you get HIGH or top end you put all four in you get nice mixture.
I've also had it another by mistake & it worked, i put the + & - side by side instead of top & bottom so it was RED / GRAY & BLACK / BLUE if you know what i mean.then cut the plugs off the surrounds & wired them in aswell & it's all good in de hood.
oh a tip before i go,get some rubber legs off the bottom of something or the casters off an old chair or stool & GET THEM SLAPPED BETWEEN THE AMP & THE SOUND PROCESSOR for ventilation coz Fu*"*k me they don't half get hot man!
good luck pal....later








Posted on Aug 04, 2010

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Htddw7600, brand new, sub amp is not working, only way to get any bass sound is to unplug the sub cable from back of main amp and touch it on side of sub out port.


H?,
You have a very good system...one of the best of SONY..SUB does not get activated automatically especially on STEREO mode.DIRECT STEREO Notes • No sound will be output from the subwoofer.
.your system has Dedicated Power Amplifier for 2 Externally Driven Sub-Woofers (200W RMS x 2)..in order to activate the sub woofer amplifier you need to make a selection on the surround modes while you are switching the modes of the surround you will see the speaker position on the display of receiver as well..if you do not see the sub woofer it wont be activated..Sound Field Program (A.F.D) is a good example to test it..
Take care and please Remember to rate/vote and give me 4 Thumbs Up
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Hope this helps!

--------------------
Additionally please follow the instruction on your user manual to activate the SUB ,as is follows..

-----------------
BASS-OUT
Low-frequency (bass) signals can be directed to the
subwoofer and/or the front left and right speakers
according to the characteristics of your system. This
setting also determines the routing of the LFE (low-
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Choices: SWFR (subwoofer), FRONT, BOTH
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• Select FRONT if you do not use a subwoofer. LFE and
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• Select BOTH if you connect a subwoofer and you want
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When you bi-wire you want the low frequencies to go only to the bass driver and the high frequencies to go to the tweeter..

Please see this link for more information:
http://www.brilliancehifi.co.uk/how-to-bi-wire-speakers.htm

Please rate my answer if you find this useful.

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Eclipse 36401 eclipse%20pa36401.jpg
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Aiwa cx na555u


Dear shelnaaqua,
Please connect the headphone to your system and check the sound quality,If it sound good then the connection of the speakers are not ok. This system has HI & low frequency output. Connect woofer to LOW frequency output and tweaters to HI frequency.
please take trouble to vote for me if this solve your problems
ramesh22

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