Category:Vacuum triodes

**triode**
	single-grid amplifying vacuum tube having three active electrodes examples of low power triodes from 1918 (left) to miniature tubes of the 1960s (right)
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	Wikipedia
Subclass of	vacuum tube; electronic component;
Discoverer or inventor	Lee de Forest; Robert von Lieben;
Has part(s)	control grid; anode; cathode; envelope;
Time of discovery or invention	1906;
Authority file
	Q176129; GND ID: 4186189-9
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

Subcategories

This category has the following 35 subcategories, out of 35 total.

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Double diode-triodes (1 C, 1 F)
Dual triodes (23 C, 6 F)
Triode-heptodes (1 C, 1 F)
Triode-pentodes (11 C, 6 F)
Triple diode-triodes (1 C, 2 F)

1

12C3C (9 F)

2

2A3 (10 F)

3

300B (18 F)
3NF (10 F)

6

6B4G (6 F)
6C51H (1 F)
6F12 (5 F)
6J4 (5 F)
6J5 (4 F)
6S19P (9 F)
6S1Zh (1 F)
6S33S (8 F)
6S3B (3 F)
6S3P (4 F)
6S41S (14 F)
6S45P (7 F)
6S4P (6 F)
6S62N (5 F)

7

7586 (vacuum tube) (13 F)

8

833A (vacuum tube) (2 F)
845 (vacuum tube) (9 F)

A

Audion (2 C, 43 F)

Media in category "Vacuum triodes"

The following 183 files are in this category, out of 183 total.

111-SC-2634 - SCR Apparatus. V.T. receiving tubes. - DPLA - 5b9bc1be72489f32e9f65bbefaa05d0d.jpg 7,982 × 6,302; 15.47 MB
111-SC-31564 - NARA - 55222347.jpg 8,456 × 5,708; 19.37 MB
2C26A radiavalve pic1.JPG 1,593 × 3,703; 1.97 MB
2C26A radiavalve pic2.JPG 1,650 × 3,546; 2.11 MB
3CX1500A7 Inside.JPG 640 × 480; 78 KB
3CX1500A7.jpg 300 × 360; 15 KB
6AM4 UHF triode.jpg 422 × 792; 255 KB
6AM4-System.gif 2,258 × 1,601; 54 KB
6C10.JPG 653 × 601; 50 KB
6CW4 nuvistor tube.jpg 1,024 × 768; 58 KB
6DJ8.JPG 692 × 390; 112 KB
6G1 atveerta.jpg 458 × 742; 35 KB
6g2 1961.jpg 1,370 × 720; 117 KB
6Н17Б.png 330 × 330; 34 KB
703A tube at MIT flea.agr.jpg 1,465 × 1,382; 1.68 MB
811A.png 593 × 1,471; 630 KB
8T-92.jpg 2,712 × 3,616; 5.12 MB
955 UHF triode.jpg 1,101 × 496; 396 KB
955ACORN.jpg 1,646 × 1,225; 145 KB
9T-71.jpg 2,545 × 3,393; 4.09 MB
A409.jpg 457 × 651; 82 KB
ACH1-Telefunken.jpg 1,274 × 3,168; 2.2 MB
Audio Tron Tube by E.T. Cunningham 1915-1917.jpg 2,896 × 1,944; 1.05 MB
Bell telephone magazine (1922) (14568478428).jpg 1,010 × 1,288; 403 KB
Bell telephone magazine (1922) (14752704504).jpg 1,332 × 1,734; 513 KB
Cascode (triode).svg 512 × 723; 22 KB
CBC1.JPG 550 × 896; 59 KB
Cunningham Tubes in the early 1920's (RCA licensed tubes).jpg 3,872 × 2,592; 2.36 MB
CX345.JPG 451 × 811; 347 KB
E438.JPG 832 × 580; 105 KB
Early triode vacuum tube collection.jpg 1,476 × 1,526; 419 KB
Early triode vacuum tubes.jpg 1,080 × 1,756; 409 KB
EBC3.JPG 570 × 890; 54 KB
EC360; WF 1957.jpg 729 × 960; 113 KB
EC84; WF 1957.jpg 734 × 960; 105 KB
EC94; WF 1957.jpg 745 × 960; 111 KB
ECC89.JPG 2,041 × 1,265; 291 KB
ECL80.jpg 858 × 1,600; 279 KB
Eimac 2C39A.jpg 300 × 440; 22 KB
Elektronka DAC21.png 750 × 1,105; 720 KB
Em 4 1967.jpg 472 × 1,199; 94 KB
Experimental triode (1906) in a radio (1914).jpg 1,709 × 2,356; 307 KB
Filament (UV 147).jpg 3,648 × 5,472; 14.27 MB
Fmradarkombi.jpg 1,016 × 955; 121 KB
GL-862A Broadcast Transmitting Triode, water cooled, General Electric, c. 1930 - National Electronics Museum - DSC00179.JPG 3,648 × 5,472; 9.49 MB
GS-9B.JPG 1,239 × 1,296; 180 KB
Gu 5a.jpg 1,200 × 1,294; 138 KB
Headphone amp 6922.jpg 5,763 × 3,416; 8.16 MB
Heksoda i trioda UCH21.jpeg 277 × 500; 11 KB
HiPowerTube3-500 C.jpg 838 × 1,426; 97 KB
Hitachi 12BH7A.JPG 1,598 × 2,272; 934 KB
HT301; WF 1973; 6S5D.jpg 1,000 × 718; 115 KB
HT321; WF 1965.jpg 800 × 600; 116 KB
HT351; WF 1965.jpg 800 × 600; 108 KB
HT711; WF 1963.jpg 1,000 × 796; 140 KB
HTG101; WF 1964.jpg 1,000 × 745; 130 KB
Ia-Ug-Kennlinie-ECC40.png 526 × 756; 29 KB
IP2A7278.jpg 2,027 × 3,029; 1.04 MB
Irving Langmuir and Guglielmo Marconi in lab.jpg 995 × 1,167; 178 KB
Jan philips 5687.jpg 403 × 595; 213 KB
JAN-750TL-tube.jpg 1,361 × 1,815; 423 KB
KR Audio Kronzilla amplifier, KR T1610 tubes (3556422517).jpg 900 × 600; 268 KB
KR Audio Kronzilla amplifier, KR T1610 tubes (3557234680).jpg 600 × 900; 242 KB
Kurzwellensendeanlage Wertachtal (28).jpg 2,592 × 3,888; 4.78 MB
Kurzwellensendeanlage Wertachtal (29).jpg 3,888 × 2,592; 4.87 MB
Lampes électroniques (51256664052) Miniwatt ECH3 triode-hexode.jpg 1,167 × 2,532; 938 KB
Lampes électroniques (51256664052).jpg 4,464 × 2,976; 4.87 MB
Linea Gotica Tolè abc7.jpg 4,160 × 3,120; 3.04 MB
Marconi Carnarvon transmitter valves.jpg 992 × 952; 275 KB
MSN EC92.jpg 1,410 × 2,663; 300 KB
Mt. Vernon, MO - vacuum tube in Montgomery Ward packaging (7298974546).jpg 2,162 × 1,871; 2.05 MB
Museum of Moscow Aviation Institute 2016-02-02 011.JPG 2,560 × 1,920; 2.31 MB
Pair of Vintage Cardon Triode Type C-484 Balloon Vacuum Tube, Sparton-Cardon Tubes Of Jackson MI, Made In USA, Circa 1920s (36364001731).jpg 2,544 × 2,876; 2.57 MB
Pair Of Vintage Klangfilm Globe Shape Vacuum Tubes With 4-Pin Base, KL 71403 Triode D.R.P. (Deutsches Reich Patent) (L) And KL 76303 Full-Wave Rectifier (R), Made In Germany (34577535762).jpg 2,133 × 2,278; 1.28 MB
Pair Of Vintage Sparton Type C-401 Triode Globe Vacuum Tubes, Same Tube Also Branded As Cardon, Made In USA, Circa 1920s (35781180473).jpg 2,119 × 2,644; 2.44 MB
PC88 Detail.jpg 761 × 972; 107 KB
Pcl86tube.jpg 620 × 1,109; 381 KB
Philips JAN 6922.jpg 6,000 × 2,511; 9.38 MB
Philips Miniwatt EC90.JPG 1,431 × 2,213; 822 KB
Pope ECH81.JPG 1,411 × 3,300; 904 KB
Pope PCL82.JPG 1,462 × 3,822; 1.76 MB
Portrait of Lee De Forest (1873-1961), Electrical Engineer (2551575666).jpg 3,145 × 3,988; 2.24 MB
Power triode (16267211137).jpg 4,012 × 6,028; 25.57 MB
QRS "Red Top" Super Detector-Type Radio Tube By QRS Music Co., Circa 1920s (8723311651).jpg 1,755 × 3,301; 1.39 MB
R WP 20160922 08 28 53 Raw highres (29439138234).jpg 5,018 × 2,823; 8.16 MB
Raytheon Subminiature Tube CK5676.jpg 3,872 × 2,592; 2.11 MB
RCA 211 tube.jpg 715 × 1,007; 141 KB
RCA 6EU7.jpg 260 × 279; 24 KB
RCA ’808’ Power Vacuum Tube.jpg 1,532 × 2,445; 1.42 MB
Relais-eimax hg.jpg 2,385 × 3,291; 1.31 MB
Roeadap.jpg 605 × 908; 47 KB
Rs2041 siedegekuehlt.jpg 150 × 316; 7 KB
RS242 triode 1.png 1,280 × 892; 1.23 MB
RS242 triode 2.png 1,176 × 1,038; 1.46 MB
Röhre-ebc91-defekte-Kathode.jpg 787 × 520; 71 KB
Scheib1.jpg 361 × 253; 12 KB
Scheib2.jpg 741 × 415; 30 KB
Scheib2a.jpg 741 × 415; 37 KB
Scheib3.jpg 669 × 403; 30 KB
Scheib4b.jpg 838 × 1,089; 103 KB
Sendetriode 120kW siedegekühlt.JPG 1,995 × 3,477; 1.42 MB
Sendetriode 1kW strahlungsgekühlt.JPG 1,738 × 3,392; 891 KB
Sovtek 6922.jpg 403 × 596; 217 KB
SRL W314; WF 1962.jpg 738 × 1,000; 131 KB
SRL314; WF 1961.jpg 735 × 1,000; 119 KB
SRL351; WF 1960.jpg 720 × 1,000; 140 KB
SRL352; WF 1960.jpg 731 × 1,000; 148 KB
SRL353; WF 1960.jpg 733 × 1,000; 130 KB
SRL354; WF 1960.jpg 733 × 1,000; 142 KB
SRL355; WF 1957.jpg 738 × 960; 129 KB
SRL355; WF 1961.jpg 769 × 1,000; 130 KB
SRL364; WF 1960.jpg 729 × 1,000; 133 KB
SRL364; WF 1961.jpg 735 × 1,000; 137 KB
SRS360; WF 1960.jpg 729 × 1,000; 132 KB
SRS361; WF 1962.jpg 748 × 1,000; 119 KB
SRS361; WF 1963.jpg 742 × 1,000; 119 KB
SRS362; WF 1960.jpg 733 × 1,000; 126 KB
SRV355; WF 1962.jpg 741 × 1,000; 118 KB
SRW317; WF.jpg 2,122 × 4,000; 590 KB
SRW354; WF 1957.jpg 722 × 960; 121 KB
SRW359; WF 1960.jpg 732 × 1,000; 140 KB
Standard Telephones and Cables Ltd 4212d (8891086607).jpg 896 × 1,200; 248 KB
Standard Telephones and Cables Ltd 4212d (8891707752).jpg 896 × 1,200; 200 KB
TDD4.JPG 495 × 943; 403 KB
Telefunken re144 1937.jpg 1,800 × 1,493; 348 KB
Ten 2C53.JPG 2,087 × 2,880; 1.53 MB
Tesla ECF82.jpg 2,527 × 3,000; 710 KB
Teslaprod.jpg 1,254 × 836; 99 KB
The principles underlying radio communication (1922) (14571468869).jpg 1,792 × 2,524; 1.01 MB
Trio Of 826 Transmitting Triode Vacuum Tubes, RCA (Left) and Ken Rad (Middle & Right), Made In USA (36229884105).jpg 2,902 × 1,720; 2.39 MB
Triode 805.jpg 750 × 1,863; 935 KB
Triode EC360.jpg 1,370 × 456; 93 KB
TRIODE TM11 662 FIG 4.jpg 685 × 919; 133 KB
Triode TS1a.jpg 1,200 × 993; 742 KB
Triode.jpg 2,448 × 3,264; 2.75 MB
Triodes immatures sharing lunch.jpg 3,024 × 4,032; 2.24 MB
Triodes-IMG 6999.jpg 5,616 × 3,744; 1.28 MB
Triodes-IMG 7000.jpg 5,616 × 3,744; 1.3 MB
Triodes-IMG 7001.jpg 3,744 × 5,616; 1.52 MB
Triodes-IMG 7002.jpg 4,836 × 3,224; 1.09 MB
Triodes-IMG 7004.jpg 4,438 × 2,959; 875 KB
Triodes-vs.jpg 1,200 × 1,041; 833 KB
Triody var.jpg 1,200 × 854; 605 KB
Tube d'émission triode.jpg 858 × 1,465; 136 KB
TUBE RADIO.jpg 756 × 1,600; 309 KB
Tube6n15p.jpg 556 × 467; 156 KB
TW501D.jpg 3,648 × 2,736; 5.1 MB
UABC80; WF 1957.jpg 723 × 960; 103 KB
UV-147.jpg 2,368 × 3,308; 4.41 MB
UV199 Receiving Tube, RCA - General Electric, c. 1922 - National Electronics Museum - DSC00114.JPG 2,350 × 3,802; 3.71 MB
UV201, RCA, c. 1920 - National Electronics Museum - DSC00124.JPG 2,772 × 4,101; 3.59 MB
UV201A, RCA, c. 1922 - National Electronics Museum - DSC00127.JPG 2,906 × 3,720; 3.88 MB
UX199 Receiving Tube, RCA - General Electric, c. 1922 - National Electronics Museum - DSC00117.JPG 1,907 × 3,545; 2.17 MB
UX201A, RCA, c. 1925 - National Electronics Museum - DSC00129.JPG 2,043 × 3,511; 2.46 MB
Vacuum electronic device 1.jpg 2,000 × 3,000; 862 KB
Vacuum triode zh.svg 754 × 376; 21 KB
Valvola termoionica doppio diodo, triodo amplificatore e rivelatore - Museo scienza tecnologia Milano 09898 1.jpg 768 × 1,024; 135 KB
Valvola termoionica triodo di Round per radiotrasmissione - Museo scienza tecnologia Milano 02189.jpg 800 × 1,067; 136 KB
Valvola termoionica triodo di Round per radiotrasmissione - Museo scienza tecnologia Milano 09897.jpg 800 × 1,067; 140 KB
Vintage Arcturus 126 Blue Globe Vacuum Tubes, Made In USA (34900570751).jpg 3,099 × 2,448; 2.66 MB
Vintage Arcturus Blue Globe Vacuum Tube, Type PZ (Equivalent To Type 47), Engraved Base, Made In USA (40238744802).jpg 1,602 × 3,113; 1.52 MB
Vintage Arcturus Type 127 Triode Vacuum Tube, Blue Tipped Globe Envelope, Made In USA, Circa 1920s (26574381408).jpg 1,760 × 2,637; 1.58 MB
Vintage DeForest Audion 410 Globe Vacuum Tube, Engraved Base, Made In USA (38421585240).jpg 1,738 × 2,617; 1.47 MB
Vintage Eimac VT-218 Transmitting Triode Tube, Air Cooled, Made In USA (19868977309).jpg 2,371 × 2,857; 2.13 MB
Vintage Klangfilm KL 71403 Vacuum Tubes With 4-Pin Sockets, Made In Germany (34738017155).jpg 3,669 × 2,239; 2.35 MB
Vintage Philips E424N Triode Vacuum Tube With 4-Pin Base, Made In Netherlands (34739369305).jpg 1,389 × 2,452; 968 KB
Vintage Premier Triode Vacuum Tube, Type X-201A, Made In USA, Circa 1920s (35548894413).jpg 2,220 × 3,099; 2.55 MB
Vintage RCA 826 Transmitting Triode Vacuum Tube, Produced for the U.S. Army, NOS, Circa 1943 (10536664334).jpg 3,648 × 3,395; 4.1 MB
VRS351; WF 1957.jpg 720 × 960; 114 KB
VT1 Detector-Amplifier Triode, Western Electric, c. 1917 - National Electronics Museum - DSC00110.JPG 2,287 × 4,071; 3.91 MB
VT126.JPG 491 × 1,014; 487 KB
VT127A 1.JPG 1,476 × 1,648; 1.54 MB
VT2 5-Watt Transmitter Tube, Western Electric, c. 1917 - National Electronics Museum - DSC00112.JPG 2,844 × 4,184; 3.88 MB
WD-12 Receiving Tube, Westinghouse, c. 1923 - National Electronics Museum - DSC00121.JPG 2,401 × 3,761; 3.85 MB
Western Electric No. 215A vacuum tube, introduced c. 1931 - Bennington Museum - Bennington, VT - DSC08648.JPG 5,183 × 2,764; 6.19 MB
Western Electric VT-2 Triode Transmitter Vacuum Tube.jpg 2,605 × 3,648; 5.52 MB
Why Transistors Are Just That Uncool. - Flickr - .tungl.jpg 1,921 × 1,533; 976 KB
Wikitrip to MAI museum 2016-02-02 080.JPG 3,648 × 2,048; 2.56 MB
Wikitrip to MAI museum 2016-02-02 081.JPG 2,000 × 3,563; 3.49 MB
Wikitrip to MAI museum 2016-02-02 084.JPG 2,048 × 3,648; 2.34 MB
General electric pliotron pp schenectady 3.jpg 357 × 750; 291 KB
強制空冷菅.jpg 2,736 × 3,648; 6.3 MB
真空管アンプ.JPG 640 × 480; 52 KB

Subcategories

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1

2

3

6

7

8

A

E

F

N

R

T

Media in category "Vacuum triodes"