Brockybear Posted January 17, 2011 Share Posted January 17, 2011 Firstly thank you to everybody on the forum for your rock solid advice. After changing from 8 ohm to 4 ohm taps and sealing the Khorns with pipe insulation and adding a sub woofer to help with the low volume bass; my tube pre amp decided to play up and I had to change it over for solid state unit I had lying around. Ka BOOM...The KHorns were back to how they should have sounded in the first place. I turned off the sub woofers and put the horns back on the 8 ohm tap. The bottom end was back with abundance. I thought the problem was the Cary CAD211 power amps but it was the Cary SLP05 pre amp all along. The difference was astonishing. Now I need to work out why the SLP05 is bass shy and or look for another preamp Quote Link to comment Share on other sites More sharing options...
runninshine Posted January 17, 2011 Share Posted January 17, 2011 Glad to hear you got it all figured out. SOmetimes this stuff can drive you crazy[8o|]...........or put a big smile on your face. [] Quote Link to comment Share on other sites More sharing options...
sootshe Posted January 17, 2011 Share Posted January 17, 2011 Don't be too hasty about replacing your pre amp, thats one mighty fine piece of equipment & should sound excellent with your speakers............Has it always sounded bass shy?...................if yes, then maybe there is something wrong..............if not.................maybe the valves need replacing?..................is the bias OK?......................what about your incoming power supply, is it delivering the full 240 volts? Many valve amps won't sound correct if not fed the correct voltage...........Cheers,'John [*-)] Quote Link to comment Share on other sites More sharing options...
sunnysal Posted January 17, 2011 Share Posted January 17, 2011 what a relief! I am glad to hear the k-horns are funtioning well, now you can take your time to see if the tube preamp and amp are bad or simply dont like driving the k-horns. warm regards, tony Quote Link to comment Share on other sites More sharing options...
Brockybear Posted January 17, 2011 Author Share Posted January 17, 2011 Sent the preamp off today and asked the tech to look at why the bottom end is so weak. Might be something simple. Quote Link to comment Share on other sites More sharing options...
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