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Otari MX5050 LED VU meter upgrade (Azula's reel to reel tape deck :D)

Otari MX5050 LED VU meter upgrade (Azula's reel to reel tape deck :D)

            Painting with Light : Analogue Rules :  Nikon D1X, Micro Nikkor 55mm Auto f/3.5 nonAi, LED lamp and Heliopan 85 warm up filter

+ I'm sharing htese images since I think it's cool and that I'm a sucker for blue :D

+ my Otari MX5050 BII has had all 4 VU meter lamps blown out a few days ago (after owning it since the early 90's). The OEM replacement bulbs cost $18 each!!!
+ to cut costs, I decided to use Blue diffused LEDs as a substitute which looks awesome to me but the issue is, Otari uses AC to drive the lamps and LEDs run on DC :D
+ the solution is to configure the LEDs as a half  wave rectifier, since LEDs are essentially diodes :) and I do use current limiting resistors
+ total cost: 4 LEDs and 4 resistors = $11 compared to those genuine lamp replacements: $72, ha!
+ the exception is, the LEDs fluctuate at 60Hz but not that we humans notice it anyway - it's a bit of an issue when taking photos tho - shutter speed higher than 1/50th per sec will mean irregular brightness on the LEDs... which is cool :D

+ The Otari MX5050 BII is a great classic machine (still in production as of now) and altho unconventional, they make great line preamps :D - just clean, loud and uncoloured sound. The new blue VU meters adds a fresh look to this ageing machine and it contrasts well to its warm sound. :)

+ no photoshopping, no cropping, just loaded straight to NX2
   

Taken on: January 11, 2012

Sets appears in: • Macro / Close ups

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Camera: Nikon D1X, f/0, 3 sec, 0mm (more info) (hide info)

Camera:	Nikon D1X
Aperture:	f/0
Exposure Time:	3
Focal Length:	0mm
Exposure Bias:	0 EV
Flash:	No Flash
Exposure Program:	Manual
Exposure Mode:	Manual
Metering Mode:	Center-weighted average
White Balance:	Manual
Light Source:	Fine Weather
Sharpness:	Soft
Color Space:	Unknown (-1)
Software:	Adobe Photoshop CS3 Windows
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