File:RCA ’808’ Power Vacuum Tube.jpg
Original file (1,532 × 2,445 pixels, file size: 1.42 MB, MIME type: image/jpeg)
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This image was selected as picture of the day on Wikimedia Commons for 18 April 2009. It was captioned as follows: English: RCA ’808’ Power Vacuum Tube Other languages:
Bosanski: Elektronska cijev RCA-808 English: RCA ’808’ Power Vacuum Tube Español: Lámpara de vacío Italiano: Una valvola termoionica. Nederlands: RCA '808'-elektronenbuis. RCA staat voor 'Radio Corporation of America', een vroeger (1919-1956) Amerikaans handelsbedrijf en nu een handelsmerk van het Franse bedrijf Thomson. Polski: Lampa elektronowa RCA 808 Português: Válvula termiônica RCA '808' Română: Un tub electronic RCA 808 Suomi: RCA '808' elektroniputki. Македонски: Електронска лампа RCA ’808’ Русский: Электронная лампа RCA '808' Українська: Електровакуумна лампа RCA 808 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、真空管アンプのファンに人気がある。 中文: RCA ’808’ 电子真空管 中文(繁體): RCA ’808’ 電子真空管 |
Summary
[edit]DescriptionRCA ’808’ Power Vacuum Tube.jpg |
English: RCA ’808’ Power Vacuum Tube
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 domainPublic domainfalsefalse |
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. |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:50, 6 February 2015 | 1,532 × 2,445 (1.42 MB) | Laitche (talk | contribs) | Can't edit the FP without voting. | |
13:31, 9 May 2011 | 1,532 × 2,258 (333 KB) | Materialscientist (talk | contribs) | slight crop at the top | ||
15:21, 14 December 2008 | 1,532 × 2,445 (1.42 MB) | 池田正樹 (talk | contribs) | |||
15:17, 14 December 2008 | 1,386 × 2,212 (1.24 MB) | 池田正樹 (talk | contribs) | {{Information |Description={{en|1=RCA_’808’_Power Vacuum_Tube}} {{ja|1=アメリカRCA製の電力増幅3極管}} |Source=self made |Author=masaki ikeda |Date=2008/12/12 |Permission= |other_versions= }} <!--{{ImageUpload|full}}--> Category:RCA |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | FUJIFILM |
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Camera model | FinePix S3Pro |
Exposure time | 1/10 sec (0.1) |
F-number | f/3.3 |
ISO speed rating | 200 |
Date and time of data generation | 20:48, 12 December 2007 |
Lens focal length | 60 mm |
Orientation | Normal |
Horizontal resolution | 420 dpi |
Vertical resolution | 420 dpi |
Software used | Adobe Photoshop CS Macintosh |
File change date and time | 00:21, 15 December 2008 |
Exposure Program | Aperture priority |
APEX shutter speed | 3.321928 |
APEX aperture | 3.444932 |
APEX brightness | 1.16 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Flash | Flash did not fire |
Color space | sRGB |
Focal length in 35 mm film | 90 mm |
Image width | 1,532 px |
Image height | 2,445 px |
Date and time of digitizing | 09:11, 15 December 2008 |
Date metadata was last modified | 09:21, 15 December 2008 |
IIM version | 2 |