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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: CD4 Modulator

    francoisvl: sory but another confusing part of this Beogram is that it has wires attached to al 6 pins unlike the other 4002 that has only three!! Perhaps near the end of the lifetime, the CD4 demodulator was not a practical option anymore (i.e nobody ordered it), so the now unnecessary rear channels were left out of the output cord, just like the CD4
    Posted to BeoGram (Forum) by tournedos on 08-03-2008
  • Re: CD4 Modulator

    francoisvl: Excuse my lack of knowledge but what is the difference between an AC motor and a DC motor? (I know I learn't it at school ) Just as the name implies, AC motors are run with alternating current. The frequency of the AC directly governs the motor rotation, and up to a certain limit, the physical load on the motor will not affect the rotational
    Posted to BeoGram (Forum) by tournedos on 08-03-2008
  • Re: Beopower 600 slight problem!

    I think this may have happened during transit. Looks like the package may have been dropped or hit, and the weight of the transformer has cracked its retainers and the pertinax board. Anyway, it looks like a quite simple power supply, and anyone half capable in electronics should be able to repair it, maybe replacing part of the circuit board with something
    Posted to General Forum (Forum) by tournedos on 07-31-2008
  • Re: Beomaster 4000 power supply hum

    I think it must be the mains transformer that is humming. Apparently the windings loosen a little with age and start to vibrate along with the mains frequency. Newer equipment usually uses toroidal transformers, which are more quiet in addition to other benefits. I'm afraid there's not much you can do about the transformer itself, but you might
    Posted to General Forum (Forum) by tournedos on 07-23-2008
  • Re: Beomaster 5000 Clicks off after 10 seconds of beautiful sound

    The excess heat might be due to the quiescent current adjustment of the output stages being way off correct setting. This could happen due to aging trimpots, or something (the power amps in BM5000 are discrete, and not hybrids, right? I'm on a way too slow connection to look at the schematics now). If this is the problem, the impedance of the speakers
    Posted to General Forum (Forum) by tournedos on 07-20-2008
  • Re: Beomaster 6500

    I can check this out for you, if you are not in a hurry - I honestly can't say when I'll have time to visit the dealer (I'll be abroad for most of August and have a zillion things to do before that). In any case, if these really turn out to be out of stock, you're welcome to have my old hinges, if they help. They are still in one piece
    Posted to General Forum (Forum) by tournedos on 07-19-2008
  • Re: Beomaster 6500

    I bought a pair of these for my MCP 6500 last February, and the price at a local dealer here in Finland was all of six (6) euros. The only hard part is removing the old hinge from the lid without scratching anything (the end in the MCP proper is just sandwiched between the case parts), easier to attempt once you see the new hinges. Part number for the
    Posted to General Forum (Forum) by tournedos on 07-15-2008
  • Re: Beo4 AV switching

    damatt: On the Beo4 first press [LIST] a few times to select "AV" and then [TV] The earlier(?) Beo4 actually has AV as a direct button, witness: link (yes Chris, that's your former Mars bar.. )
    Posted to General Forum (Forum) by tournedos on 07-11-2008
  • Re: SCART Datalink/AVL- seeking advice

    Not me... I'm mostly at the summer house now, in Beijing for most of August, and can't be bothered with programming until later in autumn In addition, the German webshop where I ordered the TSOP7000s along with some other crap still hasn't delivered after a month, which reminds me to send them a note...
    Posted to The Workbench (Forum) by tournedos on 07-05-2008
  • Re: Beomaster 4400 Questions

    wirralsimon: I suspect most of the early B&O kit pops when you turn it off. My Beolab 1700 does and I remember my fathers system doing the same many years ao. I have two similar Beomaster 2000s (the 70s type). The better one of them does the shutoff "pop", but funnily, the "junk" piece does not! I thought this was due to the
    Posted to Vintage Products (Forum) by tournedos on 07-04-2008
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