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Re: Will 12 watts run these speakers? I'm thinking of...
No, furthermore, UNDER-powered amps are more dangerous to speakers than over-powered ones since they begin to distort badly at much lower power outputs. Distortion kills speakers.
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https://www.etsy.com > market > stereo_leds
LED power lamp replacement for Warm Audio WA-251 power supply. Provodok ... Panasonic RA-6100 / RA-6500 / RA-6600 receiver / tape player front led lamp.
Those specs would be right - I have this same board but the amp was fried by a previous owner. I pulled the amp board out and tossed it and use the mixer now to drive an external amp. Great board.
This amp is rated at 1200W "peak", bridged into an 8ohm load. That would equate to about 900W RMS bridged into 8ohm or 450 per side into 4ohm loads per side.
You can't daisy chain all 4 speakers....impedance would be too low. You can run two of your 8ohm speakers per side - that results in a 4ohm load per side for the amp. That would give you amp delivery of 450W per side. Your speakers are rated to handle more than that so you're fine.
For the record.....you could run one speaker per side no problem....just lower power output.
I have had this exact Receiver and this is taken right from the specs. in the manual, "120 watts per channel RMS" at 8 ohms - this is in Stereo mode (2 speakers) only". When surround sound is used, "75 watts RMS for Front and Center speakers and 15 watts RMS for rear (surround) speakers. From experience, the Stereo only mode is definitely stronger/louder than when switching to Surround. Most newer receivers are the same wattage regardless of mode.
If you looked at the manuals for either product you would NEVER find a recommendation to use one amplifier's speaker input to drive the LINE LEVEL (very small) input on another amplifier. Speaker outputs are for driving speakers or amplifiers designed to accept speaker-level input (like some self-powered subwoofers). In no case is the power of the originating amplifer BOOSTING the power of the driven one.
You should do some reading on how amplifiers work before you blow something up and come asking for advice on how to resolve it.
I can see why you're asking for help on this. It almost seem this unit has been 'disappeared' as far as online information is concerned. Even Sony has nothing on it.
I founs some articles and For Sale posts:
http://toronto.kijiji.ca/c-buy-and-sell-electronics-Sony-STR-4800SD-Stereo-Receiver-135-OBO-W0QQAdIdZ243602516
"Sony's STR-4800SD receiver was extensively, and positively, reviewed in Stereo magazine's Fall '77 issue. In their introduction, they found the 4800SD bettered its published f.m. sensitivity specs "by a wide margin...it has exceptionally smooth frequency response, very low distortion(especially in the midband), and excellent quieting. No exotic claims are made for the power amp section, either (35 watts/channel,15.4 dBw at 0.2% THD). But our tests indicate much more capability than that, and a distortion of only one-tenth that spec."
The power consumption figure shown in a photo below says "145W", which would be consistent with a 35 watt amplifier.
I would strongly recommend that you get a 5 channel amp that puts out 75watts rms per channel that will deliver between 200-300 watts to the sub channel. I use planet audio amps myself and they run strong all day every day-maybe you could look at a planet audio vrx 600.5(5-channel) it throws 100w x4 and 200 or 300 to the subs depending on the resistance of the sub. Good luck
No, the CV speakers are very efficient speakers. That means they create a lot of volume for the amount of power. I will start by saying you will be relatively happy but not blown away.
The HK is an alright HT receiver (very new and feature loaded). It makes a rather weak stereo receiver for it is made for a home theater environment. If you only have a pair of speakers (optimal for music listening) then you have paid for a bunch of other channels that will remain dormant. You would be best off to get a very high-power stereo receiver or integrated amp instead of your HK.
CV speakers are built to blast, but they sounds pretty good at the same time.
Feel free to ask me any audio related question, I've worked in the industry for a good part of my life.
I believe these are 4ohms, if so buy a 2ohm stable monoblock amp, that puts out 250-300 watts RMS, and connect your subs to it in parallel, don't pay attention to peak watts, look at RMS watts, or continuous watts. If they're 2 ohms, buy a 2 ohm stable 2 channel amp that puts out 125-150 watts RMS per channel, and 250-300 watts total or bridged RMS output. And connect them normally, on sub per channel... hope this helps, as far as brand recommendations, MTX, pioneer, Alpine, Kenwood... Good luck
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