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ARCHIVED FORUM -- April 2007 to March 2012
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This is the first Archived Forum which was active between 17th April 2007 and 1st March February 2012

 

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  • Re: Beomaster 4400 - A Total Refurbishment

    No problem, but I don't have stock here! I'm sure that if you ask on the North America BeoWorld forum, someone there will be happy to help!
    Posted to The Workbench (Forum) by yachadm on 11-15-2010
  • Re: Tuning past 104 with a Beomaster 3000-2?

    I haven't had a look at the schematics for the BM3000, but if it is a voltage-tuned unit, you can certainly modify it. The tuning scale just wouldn't be accurate. I did my BM3400 like that. You'd need to look at the schematics to determine if your's is a voltage-tuned unit.
    Posted to The Workbench (Forum) by yachadm on 11-15-2010
  • Re: Beogram 4000 too hot?

    OK, that's a different angle - those big carbon resistors on the BG400x have generally lost their resistance - have you checked it? I'd recommend replacing it with a 2W - 5W ceramic unit. Those handle the heat much better. Remember, in those days, a 1W resistor was pretty much pushing the limits of technology ;-), and carbon was all there was
    Posted to BeoGram (Forum) by yachadm on 11-14-2010
  • Re: Several repairs needed on a BC 9500

    Advanced, Where do you live? I have plastic rims available, which I could send you. Pls contact me offline at yachadmATgmail.com Menahem
    Posted to The Workbench (Forum) by yachadm on 11-13-2010
  • Re: Beogram 4000 too hot?

    Step, If you check your TT, you'll see that it's not the transistor which is heating up, but the actual motor! You should really readjust the motor current to run at a lower voltage - see the Service Manual. And if it is the transistor heating up, you've got a definite problem in the control circuit. Menahem
    Posted to BeoGram (Forum) by yachadm on 11-13-2010
  • Re: MMC 4 loads , Extremly confused preamp

    In order of preference, make sure you use NP0 or C0G MLCC ceramic caps, for experimentation. They are the most stable of the "cheap" capacitors. Murata or TDK here. Once you've decided on the correct value, you can install Polypropylene film caps of the same value for added smoothness in sound. Try Wima, Nichicon or Panasonic here. Menahem
    Posted to BeoGram (Forum) by yachadm on 11-13-2010
  • Re: Why do people put down B&O sound

    Actually, it's not at all about the numbers - at this stage of the game, anyway. My tiny little BM3400 amp is only capable of 20W RMS x4. A mere pittance by today's standards.... But what a sound it is capable of! So, it is definitely a case of "If you like it, buy it..." Now, behind the scenes, the hundreds of hours of research and
    Posted to Vintage Products (Forum) by yachadm on 11-02-2010
  • Re: Beogram 4000 too hot?

    If you play it for extended periods and it really heats up, you run the very real danger of toasting the actual circuit board. That makes your BG4000 a beautiful door stop. If you play 1 LP, switch it off, wait an hour, play another, I wouldn't worry - the worst case is that you fry a transistor. I have all parts necessary to repair it. The question
    Posted to BeoGram (Forum) by yachadm on 11-02-2010
  • Re: Why do people put down B&O sound

    And what exactly makes you think that your system is better than my BM3400, BG6000 (Quad no less - ho, ho, ho) with 4 Beovox S45's? We'll confuse the poor fellow - he'll not want to review anything younger than 20 years-old again Menahem
    Posted to Vintage Products (Forum) by yachadm on 11-02-2010
  • Re: Why do people put down B&O sound

    I just wanted to add, that some manufacturers are quite receptive to constructive criticism of their products. I have had an excellent relationship with Asus, being one of the first Asus dealers in Israel, and in those early years, we had direct aceess to the Asus Engineering personnel at Taiwan HQ. The relationship has stayed very healthy over the
    Posted to Vintage Products (Forum) by yachadm on 10-30-2010
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