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  • Re: P4 connector on amplifier BeoLab 8000: where is pin 4?

    Here's a picture. From left to right: Connector P4 (3 pin) Connector P8 (2 pin) Connector P3 (4 pin)
    Posted to General Discussion & Questions (Forum) by KolfMAKER on Tue, Jun 15 2021
  • P4 connector on amplifier BeoLab 8000: where is pin 4?

    In the schematics of the BeoLab 8000 in the service manual, the P4 connector for incoming audio is as follows: P4, pin 1 = Autostart P4, pin 2 = Input P4, pin 3 = ? P4, pin 4 = Gnd I am connecting an external source to P4 and so far used pin 1, 2 and 3, with 3 as Gnd. But I get noise/hiss. A friend looking over the electronic schematics with me, mentioned that I should use P4, pin 4 for Gnd. But if I look at the P4 connector physically on the amplifier PCB, I only see 3 pins in the connector, numbered
    Posted to General Discussion & Questions (Forum) by KolfMAKER on Mon, Jun 14 2021
  • Re: BeoVox HT500 - Speaker replacement for broken Tweeter ?

    Thnx Martin I sent you an email about this.
    Posted to General Discussion & Questions (Forum) by KolfMAKER on Thu, Jun 10 2021
  • BeoVox HT500 - Speaker replacement for broken Tweeter ?

    In my BeoGram 1500 restoration project, I also have 2 BeoVox HT500 speakers. These have a Low/mid-tone speaker and a seperate Tweeter. All speakers are in bad condition and need replacements. For the Low/Mid-tone speakers I already found replacements. For the Tweeters I did not find replacements yet. Specification wise, I only know this (see attached picture): 4 ohm tweeter Outside dimension 65 x 65 mm Question Who has information about good replacements? Tweeters close to the sound of the original
    Posted to General Discussion & Questions (Forum) by KolfMAKER on Wed, Jun 9 2021
  • Re: BeoVox HT500 - Speaker replacement for broken Tweeter ?

    Unfortunately, 3 of the 4 speaker drivers are bad. The Low/Mid-tone speakers: the conus paper has been wet and now is deformed. The edged are in some spots completely worn out and have been ripped. One of the tweeters has torn conus paper, and is heavily damaged on the edge. Therefor, I would like to replace them both for sound consistency.
    Posted to General Discussion & Questions (Forum) by KolfMAKER on Wed, Jun 9 2021
  • Re: BeoGram 1000 / 1500: motor not spinning

    You were right Martin. I started measuring from the incoming power leads, the transformer, to the motor on/off switch (connected to the arm rest), to the motor. By doing that I found out that one of the contact points in the on/off switch, still wasn't making good enough contact. Although I thought I had already solved this. I now used my Dremel to polish all contact points clean. But that wasn't good enough. Then I tried to bend the bad contact pint a little up. But that also din't work
    Posted to General Discussion & Questions (Forum) by KolfMAKER on Fri, May 28 2021
  • BeoGram 1500: buzzing noise (not from motor) ?

    When switching on my BeoGram 1500, after a few seconds a buzzing noise is starting. I am quite sure it is not the motor, as at that point the tone arm is still in the arm rest, so the motor is not spinning. I think the sound is coming from the are a location on the left, where the fuses are, near the power transformer. Any suggestion what this can be and how to solve? PS. I do have an audio recording of the buzzing noise (m4a file format), but don't know how to upload it to this post.
    Posted to General Discussion & Questions (Forum) by KolfMAKER on Fri, May 28 2021
  • BeoGram 1000/1500: needle to record distance, how to adjust?

    Working on a BeoGram 1500, I just found out that the distance between the needle tip and the vinyl, is about 2 mm. With the current record I am playing, that's fine. But if a have another (wobbly) record, it will touch the groove when it shouldn't. So I am looking for: The proper distance between needle tip and record; how much should that be? How to adjust the tone arm/arm lift to the right height? Ad 2. For the tone arm itself I have seen that on the pivot point, it has a nut on the bottom
    Posted to General Discussion & Questions (Forum) by KolfMAKER on Fri, May 28 2021
  • Re: Beogram 1000 Mexico

    Thanks a lot for sharing your step-by-step info on the BeoGram 1000 VF Søren! Currently I am working on a BeoGram 1500, which is more or less a BeoGram 1000 with a built in amplifier and 2 speakers. I have solved a lot of issues already, but have one left: starting the motor. I have checked and repaired the switching mechanism, initiated by taking the tone arm out of the arm rest. So that works. Then there is round knob for the speed selection (see picture). If I turn it to 33/45/78 rpm, sometimes
    Posted to BeoGram (Forum) by KolfMAKER on Mon, May 24 2021
  • BeoGram 1000 / 1500: motor not spinning

    Currently I am working on a BeoGram 1500 (which is more or less a BeoGram 1000 with a built in amplifier and 2 speakers). I have solved a lot of issues already, but have one left: starting the motor to spin. I have checked and repaired the switching mechanism, initiated by taking the tone arm out of the arm rest. This is properly working. Then there is the round speed selection knob (see picture). If I turn it to 33/45/78 rpm, the motor does not start spinning. Question Does anyone have experience
    Posted to General Discussion & Questions (Forum) by KolfMAKER on Mon, May 24 2021
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