Nextgen 0102AG Collet Chuck Connector

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Sold in pairs. Black is the only barrel color. More details

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Sold in pairs. Black is the only barrel color.

The Nextgen has a Patented collect chuck device. The contact quality of conventional RCA type plugs are often undeniably poor. They “sit” in the socket rather badly. It is a matter of fact that e.g. the outer contact of RCA type sockets vary between 7.95 and 8.55 mm dia.! WBT has developed the patented collect chuck clamping device in order to enable a firm fit of the plug in the socket being necessary for a good contact as well as a constant high pressure. The patented collet chuck device makes it possible for WBT RCA plugs to adjust to all kind of RCA type sockets so perfectly. You turn the outer sleeve in the direction of the cable and the sleeve's cone presses the three outer contact elements firmly together. This not only provides for the necessary high contact pressure but also clamps the plug firmly to the socket. Consequently, the transition resistance is not only extremely low, but first of all very stable.

Locking RCA Design

The patented WBT locking mechanism provides maximum contact pressure and prevents accidental disconnection of your cables. Attempts to improperly disconnect the connector may result in equipment damage. Follow the instructions below to ensure proper use and care.

Step 1:

Hold the cable by the base of the connector and loosen the barrel of the male connector by turning it clockwise.

loosening the WBT RCA connector (diagram)

Step 2:

Insert the cable connector into the RCA socket of your device.

inserting the WBT RCA connector (diagram)

Step 1:

Hold the cable by the base of the connector and tighten the barrel by turning it counter-clockwise.

locking the WBT RCA connector (diagram)

To prevent damage, do not allow the connector body to turn. Do not overtighten.

Remember to reverse these steps when removing the cable.

PDF Instructions

Design and Construction

The RCA plug WBT-0102 is a product of the nextgenTM series, the next generation of WBT's RCA type connectors. The model WBT-0102 offers a perfect combination of a robust, stable plug body and a filigree signal conductor with reduced mass placed in the front part of the plug.

Contacts utilize passivated pure fine silver. The body is constructed with brass and then platinum plated to give a nice asthetic appeal.

The central contact assembly is made of Ultramid® and the negative contact uses Dyneon™. The barrel is comprised of brass with a shiny black piano lacquer finish. A characteristic impedance of 75 ohms makes this a perfect match for digital audio and video.

The maximum size conductor that can be used is 1.5mm² / 16-17 AWG. Maximum diameter of cable with dielectric is 9mm² / 0.354 inches². The barrel is offered in black only.

The basic element having influence on the sound quality of WBT-0102 Ag is the Central Contact Unit which has been developed exactly the same way as for the plug model WBT-0110 Ag: minimal mass of signal conductors made of fine silver. Silver was chosen because of being the best electrical conductor which is the absolute guarantee not only for an ultra rapid signal transmission, but also for an excellent fine resolution. The signal conductors are passivated and thus best possibly protected against corrosion or mirgration which would affect the contact quality.

WBT-0102 Ag lies with its transmission bandwidth of up to 200 MHz far in excess of the transmission bandwidth of conventional RCA plugs.

Through the collect chuck device which works like a chuck of a drill machine the plug’s outer contact once inserted clamps firmly to the RCA socket. The maximum contact pressure provides not only a secure connection, but also minimizes the transition resistance.

Thanks to the two-piece clamping sleeve the sleeve’s cone does not turn while the clamping sleeve is tightened and thus the contact elements are not exposed to twisting pressure. Besides, this way dimension inaccuracy of the outer contacts of the female sockets are compensated for.

The centre pin is slotted and slightly bent up and thus guarantees with its firm spring feature a long-lasting secure electrical connection with lowest transition resistance possible.

The body element is made of brass (platinum plated) in order to accept rigid and particularly thick cables. The metal connector body is of course electrically uncoupled from the Central Contact Unit und is made of as little metal as possible so that also WBT-0102 Ag is free from eddy current to a large extent.

Other than for digital outputs it is very important for phono outputs (record players, microphones) to have a good shielding against electromagnetic interfering fields. The undesirable interspersions can be very high depending on the nature of the devices and first of all on what they are surrounded by (cellular phones, computers etc.). WBT-0110 nextgenTM pure was designed as the perfect RCA plug for digital links, the new WBT-0102 Ag optimizes analogue connections. WBT-0102 Ag has the more conductive and with the minus contact element connected brass clamping sleeve in order to provide the necessary electromagnetic shielding.

RCA wideband plug for analogue and digital connections

1. Mechanics
− Single-element low-tolerance contact elements (Tol. < ± 0.02 mm)
− Central Contact Unit consisting of two moulded contact holders, (1)+(3) and (2)+(4)
− The holding unit (5) grips the central contact unit and also provides the cable strain relief thanks to the grub screw (8) (Torx3) T.6).
Hint: Due to the production process the radial position of the Torx screw hole relativ to the contact elements is not specified.
− The brass clamping barrel (6) and (7) is axially screwed over the thread of the holder and provides a permanent tight contact pressure. This way the plug can be adopted perfectly by every type of RCA socket.
− EMC shielding is effectively achieved by the by the clamping barrel (6) and (7) and the holding unit made of brass (5).


2. Materials
− Signal conductors (1) and (2) Pure copper
− Dielectric plus contact (3) Ultramid 1), glass-fibre reinforced
− Dielectric minus contact (4) Vectra S135 2)
− Holding unit (5) brass
− grub screw (8) brass
− Clamping barrel (6) and (7) brass


3. Surfaces
− Signal conductor (1) and (2) pure fine gold 0.5 μm
− Clamping barrel, (6), (7) laser engraved, chromium plated, two layer coating
− Holding unit (5) gold plated without ferromagnetic intermediate layer


4. Operating Characteristics (reliably observed after more than 103 connections/disconnections)
− Permanent current ID > 10 A
− Transition resistance Rü < 0.1 mOhm (loop measured with WBT -0110)
− Contact resistance RBi ,RBa< 0.45 mOhm (patch resistance, inner / outer)
− Self capacitance C ≈ 2.82 pF
− Insulation resistance Ria, RaG> 1.3·109 0hm (conductor/ conductor, conductor/chassis)
− Characteristic impedance Z = 75 Ohm for more than 200 MHz


5. Dimensions
− Outer / inner diameter 13.6 / 10.5 mm
− Total length 55 mm


6. Mounting
− Connection soldering
− Cables for cables up to 10.5 mm dia

Profile in brief: WBT-0102 Ag :

  • ultimate conductivity (one-piece signal conductor made of fine silver)
  • free from eddy to a large extent
  • wideband capability (up to 200 MHz)
  • excellent electromagnetic shielding (EMI)
  • absolute secure signal transmission through pat. WBT collect chuck device two-piece clamping sleeve in black piano lacquer