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RCA ’808’ Power Vacuum Tube
 

 

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Cscr-featured.svgSound-icon-empty.svgThis is a featured picture on the Japanese language Wikipedia (秀逸な画像) and is considered one of the finest images.

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Picture of the day

This image was selected as picture of the day on Wikimedia Commons for . It was captioned as follows:

English: RCA ’808’ Power Vacuum Tube

Summaryedit

Description
Deutsch: RCA '808' Elektronenröhre
English: RCA ’808’ Power Vacuum Tube
Français : Tube électronique '808' de RCA
日本語: アメリカRCA製の電力増幅3極管。本来は送信用の出力管であったが役割を終えた後、近年にオーディオ用真空管アンプ製作者の宍戸氏に依って見いだされされその特性の良さから、真空管オーディオアンプのファンに人気がある。
Date
Source Own work
Author 池田正樹 (talk)masaki ikeda

Licensing:edit

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Photo's description:
RCA '808' Elektronenröhre RCA ’808’ Power Vacuum Tube Français : Tube électronique '808' de RCA 日本語: アメリカRCA製の電力増幅3極管。本来は送信用の出力管であったが役割を終えた後、近年にオーディオ用真空管アンプ製作者の宍戸氏に依って見いだされされその特性の良さから、真空管オーディオアンプのファンに人気がある。
Licensing:
Public Domain


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EXIF data:
File name rca_a__808a___power_vacuum_tube.jpg
Size, Mbytes 1.4590791015625
Mime type image/jpeg
Camera manufacturer FUJIFILM
Camera model FinePix S3Pro
Orientation of image 1
Image resolution in width direction 420
Image resolution in height direction 420
Unit of X and Y resolution 2
Exposure time 1/10 sec (0.1)
F number f / 3.3
Exposure program 3
ISO speed rating 200
Lens focal length 60 mm
Date and time original image was generated 2007:12:12 20:48:35
Shutter speed 3.321928
Aperture 3.444932
Brightness 1.16
Exposure bias 0
Maximum lens aperture 3
Metering mode 5
Color space information 1
Exif image width 1532
Exif image length 2445
Focal length in 35 mm film 90 mm
Software used Adobe Photoshop CS Macintosh




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