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Power will not stay on for more that a few seconds on my ken wood stereo integrated amplifier KA894

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  • 5,020 Answers

It could be that there is an overload and that a protection circuit shuts it down before more serious damage can occur. The cause of the overload could simply be caused by bad speaker wires or ones that touch. More likely to be caused by a shorted device in the the main power amp section, probably on the big heat sink.

Posted on May 04, 2015

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

robotek
  • 1512 Answers

SOURCE: Vintage Stereo Connection ???

Hi spanky

Where to start :) I am excited thinking about them :p You got 2 totally cool pieces of classic vintage gear there in the C2 and the Marantz. I have a C2 preamp myself (gathering dust but wont sell it cos its excellent) and the marantz would be totally cool to have(but then I am a little biased towards 70's vintage marantz). They ruled the roost in HiFi amps throughout that decade.

Because they are both integrated amps, you could use them as standalone systems with a pair of speakers, and just plug your favourite gear into them. If you just wanted to run up a nice sounding HiFi, I would sell the kenwood gear and just keep the Marantz. The Kenwood kr1100 has the edge in power, so if it is grunt you are looking for use that. Because vintage sound is all about stereo, you only really need an integrated amp to get great results.

the specs are
# Kenwood Model Eleven G (KR-11000G) Receiver
120W per channel min RMS, both channels driven, at 8 ohms from 20 to 20.000 Hz with no more than 0.03% total harmonic distortion.
Dynamic power output 440W at 4 ohms
Power bandwidth 5 Hz to 70.000 HZ
Frequency response 5 Hz to 100.000 HZ -1.5dB
Signal to noise ratio 115dB

The marantz is a little lower in power at 75rms a channel, but will have the sonic edge in vintage sound over the kr1100. Look them up on ebay and you will find that they do have some value to collectors and people seeking nice tone. There is an 1152 for sale here for AU$900

Best bet is to fire up the 2 integrated amps,and see how they are going. Run them for several hours to be sure there is no strange noises and crackles. Then decide if you want power or finesse.

You could also run both amps from the C2 preamp by connecting to the Amp in connections to the rear of the integrated amps.

happy to talk to you more about it, hit me with a Fixya if my advice was helpful to you. I would keep the marantz, use that and sell the rest and buy some nice speakers:)

regards
robotek

Posted on Jul 21, 2008

  • 105 Answers

SOURCE: INTEGRATED STEREO AMPLIFIER AX314

sorry to send you to safemanuals they don't have that manual. you may have to look to see where it was made and then go to philips.com to customer support and contact them.

Posted on Oct 01, 2008

  • 4234 Answers

SOURCE: my system has a ka-127 amplifier and i can only

lets go for the simple things first. Make sure that the unit is not in tape monitor mode. If it is in tape monitor, you are hearing the small amount of crosstalk present in any system.

Dan

Posted on Sep 11, 2009

dunnbiker
  • 8546 Answers

SOURCE: Stereo Amplifier fades out. My Sansui dolby pro

No that's how to describe a problem, folks - with details. Using internal FM as the source is always the preferred way of troubleshooting system-wide receiver audio problems (no cables or setting in the way).

Does the sound come on immediately with power and then fade or is there a small delay while the electronics stabilize, a click and then sound that fades?

The fizzle probably means something is rapidly overheating or a capacitor is malfunctioning. If both channels do it, I'd suspect a common power supply problem. Can't help much more than that.

Posted on Dec 12, 2009

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  • 5603 Answers

SOURCE: Integrated amplifier for Mordaunt-Short Avant 908i

Use an amplifier with NO MORE than 150 Watts per channel or you be buying new speakers. At this power level don't expect booming bass boost without damaging the speakers. The Rotel generates 130 per side which is very near the safe maximum for those speakers... and the specs look good. If you are not satified with the sound, the speakers are LIKELY the problem. Look at getting good commercial speaakers instead of CONSUMER grade speakers. Go to a music store dealing with bands and musicians and view the products they have to offer. Consumer speakers often fail when people turn up too much bass. At high listening levels hearing damage can result.

Posted on Aug 03, 2012

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1 Answer

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Stereo integrated amplifier a30, turns on some times


A few things to check:

- a bad power cord or connector to the unit on the cord (if any), bad power connector on the unit (if any) or bad connector soldering on the circuit board (replace cord or resolder/replace connector if necessary)

- main power switch could have dirty contacts or some damage (needs to be cleaned or replaced)

- an electrolytic filter capacitor (any of them) could be dried out, blown (bulged at the top), badly soldered or otherwise faulty (should be replaced if faulty and resoldered if there is a loose solder joint)

- a connector (any of them) could be loosely plugged, oxydized or have bad solder joints on any pins (connections should be checked, dirty contacts cleaned, loosely soldered pins resoldered)

- any other components could be poorly soldered or damaged (resolder or replace, as necessary - might require technical service to establish which components are bad, if any)

Note that the problem may be any of the above, a combination of any of the above or something entirely different, i'm just pointing to some possible causes/solutions.

Hope you can fix it.

regards

Triarcuate

Sep 21, 2009 | Audio Players & Recorders

1 Answer

INTEGRATED STEREO AMPLIFIER AX314


sorry to send you to safemanuals they don't have that manual. you may have to look to see where it was made and then go to philips.com to customer support and contact them.

Sep 30, 2008 | Audio Players & Recorders

1 Answer

Won't stay on even in standby


The voltages are wrong. You should see (0.0, +/-0.6, and B+/B-) on the 3 pins. The driver section has a problem. Check the driver stage for shorted transistors or open resistors.
Dan

Mar 19, 2008 | NAD C320 2-Channel Amplifier

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