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Replacement lamps for vintage audio

Discussion in 'Electronic Repair' started by Mark D. Zacharias, Apr 18, 2006.

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  1. Been having bad luck lately with lamps from MCM and the like.

    Anyone know a good source for high quality bi-pin, fuse-lamps, screw-base,
    wedge-base lamps, etc?

    6v, 8v, 12v mainly.


    Thanks,
    Mark Z.
     
  2. Guest

    Guest Guest

    : Been having bad luck lately with lamps from MCM and the like.

    : Anyone know a good source for high quality bi-pin, fuse-lamps, screw-base,
    : wedge-base lamps, etc?

    : 6v, 8v, 12v mainly.


    : Thanks,
    : Mark Z.

    Why not goodle "fuse lamps stereo" or somethin'?

    http://www.vintage-electronics.cc/lamp.html is one hit I got when I did it.

    b.
     
  3. **Not that it is any help to you, but these guys:

    http://www.wagner.net.au/

    Have an excellent range of lamps (and other service related stuff). Section
    2 is what you need. As an Australian company, supply may be difficult, but I
    will assist, if your order is a reasonable size.

    BTW: I have been enjoying a fair degree of success using LumiledsT for
    backlighting old receivers. Particularly old Marantz units. Blue LEDs are
    vastly more efficient than incandescent for this purpose. The LumiledsT have
    an excellent light spread and can light up a receiver's dial with minimal
    LEDs and minimal power consumption. White LEDs are useful for other units.
     
  4. Mark D. Zacharias spake thus:
    I was able to find some of them little "hot dog" bulbs (for a Marantz
    receiver) right here in Berkeley at my favorite electronics store, Al
    Lasher Electronics (http://www.allashers.com). They were 16 volts, I think.

    Dunno if this will do you any good, as I'm not sure they do mail order
    (but it may be worth checking), but I wanted to point out that there are
    still a (very) few *real* electronics stores. This place has been around
    since the 1940s, has tons of old stuff, and is as far from a Radio Shack
    as is possible.


    --
    Pierre, mon ami. Jetez encore un Scientologiste
    dans le baquet d'acide.

    - from a posting in alt.religion.scientology titled
    "France recommends dissolving Scientologists"
     
  5. **Old Marantz recievers were 8 Volt 200mA. Blue Lumileds are a MUCH better
    choice. They last forever, consume far less power (around 15mA is plenty)
    and look way cool.
     
  6. How exactly does that work with the LED's? Does one mount them using the old
    lamp as a form? Do they require limiting resistors? Perhaps I should just
    buy a few and experiment, eh?

    Mark Z.
     
  7. GregS

    GregS Guest


    Resistors required. Diodes not required but will help dissapation if on AC.
    You will have to experiment to get the mounting
    and diffusion.

    greg
     
  8. GregS spake thus:
    That's too bad, because the Marantz lamps are actually little fuses. It
    would be nice if there were a snap-in replacement for them, complete
    with resistor. As it is, it would be pretty difficult to put in a LED
    and resistor without some pretty ugly jury-rigging.

    (And yes, they are 8 volts.)


    --
    Pierre, mon ami. Jetez encore un Scientologiste
    dans le baquet d'acide.

    - from a posting in alt.religion.scientology titled
    "France recommends dissolving Scientologists"
     
  9. jack

    jack Guest

    All Electronics carries fuse-lamps.

    I have used LED's -- suggest this -- you can get the surface mount variety
    and mount several in series such that the forward voltage drop approximates
    the voltage available, then use a resistor to limit current -- the SMT
    devices can be attached to a rod of plexiglas -- they will last thousands of
    hours if you limit the current to a few ma.
     
  10. I have seen LED replacements for Marantz fuse lamps on eBay at 5.99 / ea.
    plus freight. The pics don't really answer the question of how they are
    built.

    Mark Z.
     
  11. don ward

    don ward Guest

    Do a google search for Apex (surplus?) electronics in sun valley
    california..... they have almost any archive electronic item you can
    dream of

    dnw
     
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