Question about Technics SC-DV290 System

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Output Power of a Technics SA-DV250 sound system.

Hi

Can anyone tell me the output power(RMS) of the L + R speakers of a Technics SA-DV250 please.

Thanks


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  • intense_sl5 Feb 27, 2009

    Thanks alot mate

    Cheers


  • Branded101 Sep 18, 2009

    Hello.
    I have a fairly old Technics sa-dv250 system which is connected to my lg 5020 tv. I have connected all the cables from the tv with scarts to the digibox and cable tv box, all these work as expected. I have connected the sa-dv250 to the tv and the dvd/cd player works perfect with sound via both the tv speakers and the sa-dv250 speakers. The question is, how do I connect the sa-dv250 system so I can use the speakers so I can hear normal tv?
    Many thanks
    Paul


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100 watts per channel both channels driven into 6ohm. You can download the owners manual at http://www2.panasonic.com/consumer-electronics/support/ (Technics and Panasonic are both made by the same company) Then enter your model #. the specs are on page 23 of the manual.

Posted on Feb 27, 2009

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How do I connect and hear a technics SLB210 turntable to a DV250 sound system


The signal output from the turntable is very low and needs a special input which most modern sound systems no longer have.
You will need to connect your turntable to a preamplifier.
The output from this preamplifier then goes to the auxiliary input ("AUX") of your sound system.
A good starting page to look around for a turntable preamplifier is here:
http://www.amazon.com/gp/richpub/syltguides/fullview/21PCGJR9SBLQP
Good luck!

May 10, 2014 | Home Theater Systems

1 Answer

I have a technics dv250 seperaes system when i turn the systemon the power lights come on but then the system shuts back down? it is displaying f 16 on the main screen?


F61 usually means the amp has detected a short or a severe microprocessor error.


Generally speaking, an amp attempts to protect itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.

Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.

You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.

If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.

If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Jul 25, 2011 | Technics SC-DV290 System

1 Answer

I would like to connect my computer to my panasonic sa-ht800v unit and hear the sound thru the surround sound speakers


In general, your PC's sound card (and its controlling software) will determine what it can connect to.

Even the most basic PC would have stereo analog output via the typical green 1/8" connector or a headphone jack that easily adapts to RCA pair for analog audio connection. Any Line Level input EXCEPT PHONO would accept the PC's output. The output level would be controlled by the sound card software and settings.

The SA-HT800's single LINE Input would accept the Green stereo audio or speaker output from a standard PC, once adapted. Select VCR.



Find your PC's Sound Controls and enable the applicable input. make sure the volumes of both Inputs and Outputs are turned up.

Though not applicable to theGemini, more-advanced sound cards and audio hardware would have similar adaptable 5.1 or 7.1 (paired) analog outputs and / or digital audio outputs that conform to the s/pdif or Dolby Digital standards.

Mar 26, 2011 | Panasonic sa-ht800V Home Theater Audio...

1 Answer

How can i get more power through 8 ohm speakers?


In addition to the impedance rating of a speaker, there is also a wattage rating. Ideally, power output of the amplifier should not exceed the power handling rating of the speakers. The input impedance of the speakers should match the amplifier output impedance for maximum power transfer (Rin = Rout where R is resistance in Ohms). Supplying more power or wattage to the speaker than it can handle will result in distortion, and if the output of the amp is high enough and present long enough, it will damage the voice coil of the speaker. Make sure that when comparing wattage ratings, you are comparing the same rating between amps & speakers. Watts can be expressed three different ways: "Peak", "Peak to Peak" and the industry standard "RMS". The relationship is such: an industry standard value of "70 Watts RMS" (70W RMS) equals "100 Watts Peak" (100W P) *and* also is the same as "200 Watts Peak to Peak" (200W P-P). Furthermore, there is no such thing as 200W "Music Power" (but is often expressed this way to inflate the RMS wattage rating (and usually is close to the P-P rating). A speaker is an electrical device, so most the things that happen to electrical devices when over powered can happen to speakers and amplifiers, too.

Increasing the signal source level (input signal to the amp via volume control) in an attempt to get more audio power to the speaker can overdrive the amplifier - resulting in "clipping". This is plainly heard as "muddied" sound. The otherwise loud, crisp, clean passages in music end up sounding garbled and unpleasant when an amplifier is over driven in this way. This can damage both the amp and the speaker.

Cheap amps with higher THD (total harmonic distortion) ratings sound worse than their counterparts with a lower THD rating - when all other variables are the same. You'll pay extra for lower THD values.

You might be able to make a speaker seem louder by positioning the speakers against a wall, on the floor, etc. Experiment; as it can make a significant difference in sound levels and low frequency bass sounds.

I hope this was helpful!

Jun 11, 2010 | Yamaha Emx62m Powered PA Mixer System

1 Answer

I want to run an additional amplifier from my 5.1 surround system amp speaker output to drive large dj speakers. The dj speakers need 175 rms and my 5.1 only has 100 rms per channel. Can I just wire from...


Speaker output from the amplifier is a higher voltage than a preout. The speaker level signal has to be reduced to a line level signal in order to connect to another amplifier. I used a car stereo "speaker to line level adapter" and then connected a second amp to run my front channel speakers. Works just fine.

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2 Answers

Problem w/ Panasonic SA-HT700 speakers


Try looking in the audio settings,it might be configured for stereo/mono or any number of surround sound settings e.g; 5:1, 7:1 In which case it might shut off the power to the circuit board inwhich the speakers are connected.If that fails .......Take it back!! Either the connection inside the speakers is faulty or the connections in the unit are faulty.

Oct 25, 2008 | Panasonic Home Theater System System

2 Answers

No sound


hi let me tell you that you technics if it plays for period of time then blocks usually this problem lead with auto protection before you really burn it.......firs check all the wires well connected to speakers,check each speaker with a baterry it will pop up...if you do all above i wish you luck... if the problem is most serius needs a resoldering action or even change something overheated components. take it for qualified professional and the cost may vary where you live....... saludos

Oct 15, 2008 | Technics SC-DV290 System

1 Answer

Technics sc-dv250


did you buy your system in adifferent region and moved with it to another? I heared something like some DVD players are region-locked. I could be wrong but google about region-lock... try this among others: http://dvd-player-software-review.toptenreviews.com/what-is-dvd-region-lock.html


Pikles

Mar 16, 2008 | Technics SC-DV290 System

2 Answers

TECHNICS SC-DV250


keep an eye out on ebay.

Dec 31, 2006 | Technics SC-DV290 System

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