4Pin-01 |

Order Number: 398-401-79
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UX4 - Wired - Teflon - Gold - Beryllium Contacts
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mounting options |
Beryllium Contact Example |
Beryllium Contact inside |
Note, with sockets that have detachable clamp rings, you can attach the clamp in two positions, allowing positioning of the tube at 0, 90, 180, or 270 degrees. So always have the tube orientation as you want it. |
Chassis hole 27mm.
Screw distance 35mm . |
4Pin |

Order Number:
399-064-59
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UX4 - Large - Wired - Ceramic
Tubes like:
EL34, KT66, 6SN7, 5U4G, etc, with small octal base.
This socket is highly recommended for free wiring, because you have very large double solder lugs, with double holes each. So you can mounts a great part of the components directly on the sockets.
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Chassis hole 35mm.
Screw distance 45mm
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4Pin
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Order Number:
399-065-69
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UX4 - Large - Wired - Ceramic - Gold
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Chassis hole 35mm.
Screw distance 45mm
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4Pin
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Order Number:
399-066-84 |
UX4 - Wired - Ceramic - Gold
The classical American UX4 socket. Nicely rebuild, excellent quality with good "feel" when inserting and removing the tubes. Ceramic, gold plated Version. |

Dimensions
Chassis hole 31mm.
Screw distance 38.2mm
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4/5Pin
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Order Number:
399-069-93
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B4 / B5 - Wired - Ceramic
B4 is the European socket from 1930....1945. Many famous tubes have this socket, like PX25, PX4 etc. Today many very nice rectifiers can still be found that use this socket. Rectifiers are RGN... types, like RGN1064, RGN2504 etc. Check our NOS pages for some very nice tubes of this series. We have many on stock!
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4/5Pin
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Order Number:
399-070-27
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B4 / B5 - Wired - Ceramic - Gold |
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5Pin
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Order Number:
399-071-91
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P5 - Wired - German Post - Ceramic
Very rugged ceramic socket.
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5Pin
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P5 - Wired - German Post - Ceramic- Gold |
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7Pin
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Order Number:
399-075-95
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7Pin - PCB - Ceramic
Tubes like:6AU6, 6AQ5
Very high quality contacts. Socket is covered by ceramic top plate. So only thin holes for tube pins are visible. Perfect feeling when putting in the tube. No side force on the pins / no bended tube pins, also not when the tube is removed very often.
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7Pin
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Order Number:
399-076-47
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7Pin - Wired - Ceramic - Gold
Tubes like:6AU6, 6AQ5
All metal parts gold plated. Very high quality contacts. Socket is covered by ceramic top plate. So only thin holes for tube pins are visible. Perfect feeling when putting in the tube. No side force on the pins / no bended tube pins, also not when the tube is removed very often. Smooth feeling when putting in the tube. No side force on the pins / no bended tube pins, also not when the tube is removed very often.
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7Pin
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Order Number:
399-073-69
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P7 - Wired - German Post - Ceramic
Very rugged ceramic socket.
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7Pin
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P7 - Wired - German Post - Ceramic - Gold
Very rugged ceramic socket.
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Order Number:
319-062-62
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8-Pin TEFLON socket, with gold plated bronze contacts.
Note: this is not a socket, but I have no good place to add it somewhere.
For tubes like: 6021W
This socket solves an old problem of tubes enthusiasts. The miniature tubes like 6021W, etc. are for sale still at reasonable prices. These are generally superb quality, and the latest generation of American tubes. As you know, noise level of tubes goes down with physical size. So actually these tubes are quite nice products. However the flying leads makes them uncomfortable to use. With these sockets they can now be used on amplifier printed circuits boards. The mechanical pin contact is very good, so when the tube is plugged in with all eight pins, it is fitted just as good as a normal tube. Additionally, it is recommended to use the Duende tubes rings for those tubes, and you have the ultimate tube combination! Another picture |
Octal
Printed Circuit Board Version
Widest distance between pins:
5,08mm or 0.2 Inch
(center to center)
On Teflon is marker point, which fits
mark on tube
Tubes like: 6021 or any other flying lead tube with maximum 8 leads
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8Pins
Order Number: 399-097-90
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Octal PCB - Blue Teflon - Gold - Beryllium Contacts
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Beryllium Contact Example |
Beryllium Contact inside |
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8Pins
Order Number: 399-101-69
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Octal PCB - Ceramic - Gold - Beryllium Contacts
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Beryllium Contact Example |
Beryllium Contact inside |
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8Pins
Order Number: 399-098-8
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Octal Wired - Blue Teflon - Gold - Beryllium Contacts
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Beryllium Contact Example |
Beryllium Contact inside |
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8Pins
Order Number: 399-102-43 |
Octal PCB - Wired - Ceramic - Gold - Beryllium Contacts
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Beryllium Contact Example |
Beryllium Contact inside |
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8Pin
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Order Number:
399-077-68
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Octal - Ceramic - Standard
Tubes like:
EL34, KT88, 5U4G, 6SN7
High Quality "Celch" Contacts. These have quite high pull out force, for very good electrical contact. Rugged standard product.
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Octal
Printed Circuit Board Version
Pin Radius on PCB
25,4mm / One Inch
Tubes like:
KT88, EL34
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8Pin
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Order Number:
399-078-98
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Octal - Wired - Ceramic - Gold
Tubes like:
EL34, KT88, 5U4G, 6SN7
Standard Quality "Fork"" Contacts. These have lower pull out force, and are recommended when you plan frequent changing of the tubes. Like in guitar amplifiers. WE SUPPLY THE GOLD PLATED VERSION. THOUGH SILVER PLATED VERSION IS PICTURED HERE.
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Octal
Wired Version
Tubes like:
KT88, EL34
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8Pin
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Order Number:
399-079-17
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Octal Large - Wired - Ceramic
Tubes like:
EL34, KT66, 6SN7, 5U4G, etc, with small octal base.
Not for KT88 or 6550 or other wide metal flange octal base.
First: This socket is highly recommended for free wiring, because you have very large double solder lugs,that have two holes each, plus you can wind a wire around it. It has a "collar" for that, So you can mounts a great part of the components and wires directly on the sockets.
Second: These have have the great possibility to measure all signals directly through the front plate, when you make the chassis hole wide enough. There is a copper pad for this, beneath each tube contact, and these can be accessed from above. Take care for isolation precautions when do this! We say it here officially: When you do this you need a cover over the amplifier, or anything else to prevent you touch the copper pads by mistake. If you do not want this, you should make the chassis hole small enough to cover the copper pads.
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Outside Dimensions only
Chassis hole 35mm.
Screw distance 45mm
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8Pin
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Order Number:
399-080-39
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Octal Large - Wired - Ceramic -Gold
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Outside Dimensions only
Chassis hole 35mm. Screw distance 45mm
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| 9Pin-01 |
 Order Number:
398-901-01 |
Noval - Wired PCB - Teflon - Gold
Note, with sockets that have detachable clamp rings, you can attach the clamp in two positions, allowing positioning of the tube at 0, 90, 180, or 270 degrees. So always have the tube orientation as you want it. |
Chassis hole 21.2mm
Screw distance 30mm
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9Pin
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Order Number:
399-082-79
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Noval - PCB - Ceramic Socket - Standard
Original item, as used for high volume products
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9Pin
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Order Number:
399-082-79
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Noval - PCB - Ceramic
Tubes like:
EL84, 12AX7, ECC81
Very high quality contacts. Socket is covered by ceramic top plate. So only thin holes for tube pins are visible. Perfect feeling when putting in the tube. No side force on the pins / no bended tube pins, also not when the tube is removed very often.
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Order Number:
399-078-98
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Noval - Wired - Ceramic - Gold
Tubes like:
EL84, 12AX7, ECC81
All metal parts gold plated. Very high quality contacts. Socket is covered by ceramic top plate. So only thin holes for tube pins are visible. Perfect feeling when putting in the tube. No side force on the pins / no bended tube pins, also not when the tube is removed very often. Smooth feeling when putting in the tube. No side force on the pins / no bended tube pins, also not when the tube is removed very often.
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| 9pin |
9Pins
Order Number:
399-099-48
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Noval - PCB - Ceramic - Gold - Beryllium Contacts
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Beryllium Contact Example |
Beryllium Contact inside |
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9pin |
9Pins
Order Number:
399-095-33
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Noval - PCB - Blue Teflon - Gold - Beryllium Contacts
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Beryllium Contact Example |
Beryllium Contact inside |
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9pin |

Order Number: 399-100-90
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Noval - Wired - Ceramic - Gold - Beryllium Contacts
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Beryllium Contact Example |
Beryllium Contact inside |
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9pin |

9Pins Order Number:
399-100-90
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Noval - Wired - Blue Teflon - Gold - Beryllium Contacts
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Beryllium Contact Example |
Beryllium Contact inside |
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Plate Cap 14mm GOLD
Order Number:
399-116-72
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Ceramic Plate Cap (Anode Cap), for 14mm diameter caps. Gold plated.
For tubes like 813
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Plate Cap 14mm
Order Number:
399-120-47
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Ceramic Plate/Anode Cap with 14mm diameter.
SELL OFF - OLD STOCK
For tubes like 813
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