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This is one of the most common questions I get - Do you know the value and have
a source for Marantz dial lamps?

DIAL LAMPS and FM METER LAMPS
The fuse type lamps used to light the black-out dial of the Marantz 22xx series
receivers is a 8V 200 mA bulb. The best replacement is a 8V 250 mA lamp (Part
No. 070-120, $.50 each) I'm not sure if the 200 mA version is even still
available. Some models use a 8V 300 mA lamp for the FM meters.

FUNCTION LAMPS and DIAL POINTER
The function (FM, Phono, Aux, etc) lamps originally were bi-pin 8V 40mA units.
You can substitute a lamp with leads that Parts Express sells rated at 8V 35 mA
(Part No. 070-100 $.40 each) The dial pointer can also use this same lamp,
just don't cut off the leads. Another audiophile indicated these may also be
40mA 6.3V. But I got the 8V data from Marantz.

STEREO INDICATOR LAMP
I think the stereo indicator lamp is 12V 30mA. Parts Express sells a bulb
with leads that may substitute rated at 12V 34mA. (Part No. 070-106 $.40 each)
Apparantly the FM Stereo Indicator bulb must be replaced exactly with the
original value or you can damage some of the FM miltiplex circuitry. I know
the original bulb is bi-pin design.

These are Bi-Pin base lamps as show on Audio70's web site: Audio70, used audio
equipment

So to summarize our learnings:

1) Dial Lamps - Fuse Type 200mA 8V
2) FM meters: Either the above or 300mA 8V depending on model
3) Function Indicators: 40mA 6.3V or 40mA 8V
4) Stereo Indicators: 30mA 12 V
5) Dial Pointer: White or Red 40mA 6.3V or 40mA 8V

Sources:
Parts Express (www.partsexpress.com), 1-800-338-0531
MCM Electronics (www.mcmelectronics.com) 1-800-543-4330
Audio70 (http://audio70.safeshopper.com/index.htm?33747)

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