Editing Tube socket (section)

==Summary of base details==

<ref>"Philips Data Handbook: Electron Tubes, Part 4", April 1969l</ref><ref>{{cite web |url=http://www.dl7avf.info/charts/roehren/bilder.html |title = Abbildungen - Figures}}</ref>
{| class="wikitable sortable"
|-
! Common Name !! Standard Name !! Other names 
! data-sort-type="number" | Base Pins !! Pin Layout 
! data-sort-type="text" |  Pin thickness !! Specification 
! data-sort-type="number" | Period !!  Examples !! [[Mullard–Philips tube designation|European]] / [[Pro Electron]] numeric range
|-
! Pee-Wee 
|| B3A || US Pee Wee 3p || 3 || 08.7mm triangle with pins 1&3 closest<ref>{{cite web|title=Appendix - Figures|url=http://www.dl7avf.info/charts/roehren/bilder.html|publisher=KyteLabs|access-date=7 January 2013}}</ref>  || 2.36mm<ref>{{cite web|title=Pee Wee 3p|url=http://www.tubedata.org/bases/030_pw3.gif|publisher=Frank Philipse|access-date=7 January 2013}}</ref> ||  || 1937 - || ZA1004 || -
|-
! Mazda subminiature 
|| B3G<ref>{{cite web|title=Base B3G|url=http://www.r-type.org/static/baseb3g.htm|work=The National Valve Museum|access-date=20 July 2013}}</ref>  || ''European special all-glass miniature'' || 3 (+top) || 06.0mm line with 3mm spacing || 1mm || Mazda || 1937 -|| D1, EA50<ref>{{cite web|title=EA50 Signal Diode|url=http://www.radiomuseum.org/tubes/tube_ea50.html|access-date=25 May 2014}}</ref> || -
|-
! European 3-pin
|| H3A ||  British 3-pin, Eu-3<br> <small>''(or B4, ignoring pin 4)''</small>  || 3 || 16mm isosceles triangle, <small>greatest distance between pins 2 & 3</small> || 3.2mm || || 1920s to early 1930s<br> <small>''(superseded by Octal and P8)''</small> || RE4120, 1832<ref>{{cite book|title="Miniwatt" Technical Data|year=1958|publisher=The "Miniwatt" Electronics Division of Philips Electrical Industries Pty. Limited|location=Australia|pages=158|edition=6th}}</ref> || -
|-
! UV4
|| B4B ||WD-4-Pin || 4 || 09.8mm rectangle with large pin 2 <small>''(usually anode)''</small> || 2.3mm x3 <br>3.1mm  <small>''(pin 2)''</small>|| || 1914 - 1920's <br> <small>''(superseded by UX4)''</small> || [[WD-11]] || -
|-
! UX4
|| U4A || American 4-pin base <small>''with or without bayonet pin''</small> || 4 || 11.9mm rectangle with thicker pins 1 & 4.<br> Superseded the UV4 base || 3.2mm <small>''(pins 2&3)''</small><br> 4.0mm <small>''(pins 1&4)''</small> || A4-10 || 1920s - 1930s<br> <small>''(mostly superseded by Octal, but still used for some currently produced directly heated triodes)''</small> || A-P Oscillator (1920),<ref>{{cite web|title=A-P_Oscillator|url=http://www.radiomuseum.org/tubes/tube_a-p_oscillator.html|access-date=7 January 2013|quote=Saga of the Vacuumtube, Tyne page 176}}</ref> 2A3, [[300B]], B405, X99, WW313A (1938), [[866A]]|| -
|-
! B4 
|| A4A || British 4-pin, A4, European 4-pin || 4 || 16.25mm kite || 3.2mm || || 1915<ref>{{cite web|title=Base B4|url=http://www.r-type.org/static/baseb4.htm|access-date=25 May 2014}}</ref> to early 1930s<br> <small>''(superseded by Octal and P8)''</small>|| B405, BL2, R-type || -
|-
! UY5 <br> UX5
|| U5A <br> B5C || US 5-contact <br> American Small 5-pin, USS5 || 5 
|| 19mm (3/4") circle,<br> 3x60° between pins 1,2 and 4,5,1,<br> 2x90° between pins 2,3,4  <!-- <br> <small>Note: some databooks<ref>{{cite book|title="Miniwatt" Technical Data|year=1958|publisher=The "Miniwatt" Electronics Division of Philips Electrical Industries Pty. Limited|location=Australia|pages=158|edition=6th}}</ref> and websites<ref>{{cite web|title=807, Tube 807; Röhre 807 ID3358, Beam Power Tube|url=http://www.radiomuseum.org/tubes/tube_807.html|publisher=radiomuseum.org}}</ref>  use UX and UY seemingly interchangeably. Yet one has equal-sized pins and the other has pins 1&5 thicker</small> --> 
|| 3.? || A5-11 || 1920s  || UY227, 2E22, 1D4, 49, 807 || -
|-
! B5
|| O5A || British 5-pin, European 5 -pin, Europa || 5 || 16.25mm kite; B4 with central 5th pin added <br> <small>''a B5 socket will accept European 3-pin (H3A) and 4-pin (A4A) tubes''</small> || 3.2mm || || 1928<ref>{{cite web|title=Base B5|url=http://www.r-type.org/static/baseb5.htm|access-date=25 May 2014}}</ref> to early 1930s<br> <small>''(superseded by Octal and P8)''</small>  || B443|| -
|-
! UX6<ref>{{cite web|title=Base UX6|url=http://www.r-type.org/static/baseux6.htm|publisher=The National Valve Museum}}</ref> 
|| U6A || US 6-pin  || 6 ||19mm (3/4") circle,<br> 6x60° ||3.2mm x4, 3.9mm <small>''(pins 1 & 6)''</small> || || 1930's<br> <small>''(superseded by Octal)''</small>  || 1F6, 2A5 || -
|-
! B7
|| M7A || British 7-pin  || 7 || 23.1mm x 18.2mm oval<ref>{{cite web|title=Base B7|url=http://www.r-type.org/static/baseb7.htm|publisher=The national Valve Museum|access-date=9 January 2013}}</ref>  || 3.2mm ||  || 1930s <small>''(ultimately superseded by Octal)''</small>  || AC3/Pen, TDD4, AL60, 18013 || -
|-
! UX7
|| U7A || US 7-pin small || 7 || 19mm (3/4") circle,<br> 3x52°,4x51° || 3.2mm x5,<br>3.9mm  <small>''(pins 1&7)''</small> || ||  1930's<br> <small>''(superseded by Octal)''</small>  || 2B7, 6A7 || -
|-
!Septar
|B7A
|
|7
|26mm circle
|2.7mm x6, 4.0mm
|
|
|6C33, 829B, 3C33, 3E29, 832A, 5894, FU-29, GZ67-C
|
|- 
! [[Tube socket#Miniature seven-pin base|Miniature 7-Pin]]
|| B7G || Miniature, Button, Mi-7 || 7|| 09.53mm (3/8") circle,<br> 6x45° then 90° between pins 7 & 1|| 1.016mm || IEC 67-I-10a || 1939 - ''present''|| 1S4/DL91, [[6AQ5]], 6X4 || 90-99, <small>''some 100-109'',</small> 190-199, 900-999
|-
! Transcontinental
|| P8A || P-Type, '''Ct8''', Philips 8, Side-contact 8 || 8 || 29.5mm circle of side-contact pins,<br> 3x30° (pins 1-4),<br>5x54° || Side-contact|| Philips || 1930s  || AL3 || 1-9 ''usually''
|-
! [[Tube socket#Octal|Octal]] 
|| K8A<ref>{{cite web|last=Philipse|first=Frank|title=Frank's Electron tube Pages - Tube Bases|url=http://www.tubedata.org/bases.html|access-date=26 May 2014}}</ref> || IO, International Octal, '''A08''', American octal base, Oc-8  || 8 ||  17.45mm (11/16") circle, equal 45° spacing, 7.8mm spigot || 2.36mm|| originally: RCA<BR> IEC 67-I-5a || 1935 - ''present'' || [[EL34|6CA7/EL34]], [[6L6|6L6/5881]], [[6SN7]], [[6V6|6V6GT]], [[Kinkless tetrode|KT63/KT66/KT77/KT88/KT90]], 6550, 7591 || 3G, 30-39, 300-399
|-
! Mazda&nbsp;Octal<ref name="bmo" />
|| K8B || MO8, Octal-8 GB, MO<ref name=bmo>{{cite web|title=Base Mazda Octal|url=http://www.r-type.org/static/basemo.htm|publisher=The National Valve Museum|access-date=7 January 2013}}</ref>  || 8 || 18.5mm circle, 55,5° between pin 1 and 8, 43,5° between the other pins,<ref name=amtel>{{cite web|title=ATP4 tube|url=http://amateurtele.com/index.php?nav=1&artikel=101|publisher=The AmateurTele.com|access-date=10 February 2015}}</ref> 8.7mm spigot || 2.36mm || Mazda || 1938 - ?<br>''(short-lived)''||ARP12, AR8, SP42, ATP4 <ref name="amtel"/> || -
|- 
! [[Tube socket#Loctal|Loctal]]
|| B8G<ref>{{cite web|title=Appendix - Figures|url=http://www.dl7avf.info/charts/roehren/bilder.html#B8G|publisher=KyteLabs}}</ref>  <br>or B8B<ref>{{cite web|title=Base B8B|url=http://www.r-type.org/static/baseb8b.htm|publisher=The National Valve Museum|access-date=8 January 2013}}</ref> || 8-pin Loktal, Lo-8, Locking Octal || 8 ||   17.45mm (11/16") circle, equal 45° spacing, 6.7mm spigot || 1.3mm ||  Sylvania || 1939 || 1LN5, EF22, ECH71 || 20-29 and some others
|-
! [[Tube socket#Rimlock base|Rimlock]] 
| B8A || European 8-pin Miniature base, Ri-8 || 8 || 11.5mm (0.453") circle, 45° || 1.015mm|| IEC 67-I-11b || 1940s <br>''quickly edged-out by Noval, etc''|| [[ECH42|6CU7/ECH42]],EL41 || 40-49
|-
! [[Tube socket#Other loctals|Loctal]]-'''9'''pin
|| B9G<ref>{{cite web|title=Base B9G|url=http://www.r-type.org/static/baseb9g.htm|access-date=25 May 2014}}</ref> || 9-pin Loctal, Lo-9 || 9 ||  21.0mm (13/16") circle, equal 40° spacing,<br><small> spigot connected to can</small> || 1.3mm || [[Philips]] || 1938<ref>{{cite web|last=Dekker|first=Ronald|title=EF50 - The Development of the All-Glass Valve.|url=http://www.dos4ever.com/EF50/EF50.html#all_glass|access-date=25 May 2014}}</ref> <br><small>announced Sept. 1938 and available to [[Pye Ltd.|Pye]]; general availability early 1939.<ref>{{cite journal|last=Prakke|first=F. |author2=J.L.H. Jonker |author3=M.J.O. Strutt|title=A New "All-Glass" Valve Construction|journal=The Wireless Engineer|date=May 1939|url=http://www.dos4ever.com/EF50/wireless_engineer_1939.pdf|access-date=26 May 2014}}</ref></small> || EC52 [[EF50]] EF54 EL60 || 50-60 <small>''with some exceptions''</small>
|-
! [[Tube socket#Noval base|Noval]] (Miniature 9-pin)
|| B9A || American Small Button, Button 9-pin || 9 || 11.89mm (15/32") circle,<br> 8x36° then 72° spacing between pins 9 & 1 || 1.016mm|| IEC 67-I-12a<BR>JEDEC E9-1 || 1948 - ''present <small>(still very popular)</small>'' ||[[12AX7|12AX7/ECC83]], [[EL84|6BQ5/EL84]]|| 80-89, 180-189, 800-899
|-
! Magnoval 
|| B9D || || 9 || 17.45mm (11/16") circle,<br> 8x36° then 72° spacing between pins 9 & 1 || 1.27mm|| IEC 67-I-36a<BR>JEDEC E9-23 || 1960s-1970s<br>''died out when TVs went fully solid-state'' || E55L, ED500, PL504|| 500-599 
|-
! Novar 
|| B9E || 9-pin compactron|| 9 || 17.45mm (11/16") circle, 9x36° then gap between pins 9 & 1 <br><small>''Note: Novar sockets can be damaged by inserting Magnoval tubes''<ref>{{cite web|url=http://www.antiqueradios.com/forums/viewtopic.php?t=158036 |title=Novar vs Magnoval Vacuum Tube Sockets |website=Antique Radio Forums |date=2011-02-17}}</ref></small> || 1.02mm || JEDEC E9-65<BR>JEDEC E9-89 || 1959 - <br>''limited use; mainly TV horiz. output, damper''|| 6JF6, 22JG6A, 7868  ||  -
|-
! Decal
|| B10B<ref>{{cite web|title=Base B10B|url=http://www.r-type.org/static/baseb10b.htm|publisher=The National Valve Museum|access-date=7 January 2013}}</ref> <BR> ''or B10C?<ref>{{cite web|title=PCF201|url=http://www.radiomuseum.org/tubes/tube_pcf201.html}}</ref> <small>often incorrectly stated</small>''  || Dekal ||10|| 11.89mm (15/32") circle,<br> 9x34° then 54° gap between pins 10 & 1 || 1.016mm  || IEC 67-I-41a <BR>JEDEC E10-61 || 1960s - 1970s || PFL200, ECC2000, ECH200, PCF201 ||200-299<br>2000
|-
! Decar
|| B10G || Dekar || 10 || 11.89mm (15/32") circle as Noval, with additional center pin || 1.016mm || Sylvania<br>JEDEC E10-73 || Mid-Late 1960s || 6C9, 17C9
|-
!
|Y10A
|G10A (G8A tubes fit with pins 6 & 10 unused)
|10
|28mm circle, 2 groups of 5 pins with two gaps
|
|
|
|AZ11, EC156
|-
! Sub-Magnal
|| B11A || Magnal, B11 || 11 || 17.45mm (11/16") circle as Octal || 1.27mm || RCA? || 1940s to present || 
|-
! DuoDecal 
|| B12A || Duodekal, B12 ||12 || 27mm  (1.063") circle,<br> 30° angles || 2.36mm || B12-43  || 1950s - 1970s ||  DG7-31, E1T, MW61-80 || -
|-
! [[Tube socket#Duodecar base|Duodecar]] 
||B12C || 12-Pin-[[Compactron]], E12-70, E12-74 ||12 || 19.1mm (3/4") circle,<br> 11x 27.7° then gap between pins 12 & 1 ||1.02mm || E12-70(T9)<BR>E12-74(T12)<ref>{{cite web|author1=KyteLabs|title=KyteLabs InfoBase - Electron Tubes & Valves Data|url=http://www.qsl.net/dl7avf/roehren/sockel1.html|access-date=13 October 2014|location=Table A.4.1 - Sockeltypen - Basing Types|language=de, en|date=2014-02-19}}</ref>|| 1960s - 1970s ||  1BY2, 6BD11, 12BT3 || -
|-
![[Nuvistor]]
|
|E5-65
|5
|only pins 2, 4, 8 10, 12 used from Twelvar
|<1mm
|E5-65
|
|8393
|
|-
! Nuvistor
|| B12K || Twelvar E7-83, E12-64, E12-65 ||12 || 11.2mm circular envelope with mixed-spacing field of pins || <1mm || IEC 67-I-17a <BR>JEDEC E12-64(5/12)|| 1959 - ||  7586, 6DV4, 6DV8, 13CW4<ref>{{cite web|title=Nuvistor 13CW4|url=http://www.tubedata.org/bases/Nuvistor_13CW4.jpg|work=Tube Data|access-date=20 July 2013}}</ref>  || -

|}