Neutrik - NBNC75BLP7X rearTWIST UHD 75Ω BNC Connector.

Build professional high-resolution broadcast and video cables with the Neutrik NBNC75BLP7X rearTWIST UHD 75Ω BNC Male Cable Connector, engineered specifically for demanding 4K and 8K video transmission.

Part of Neutrik’s dedicated rearTWIST UHD BNC range, the NBNC75BLP7X combines a true 75Ω BNC interface with an optimised contact-pin and insulator design engineered to provide substantially improved return-loss performance at high frequencies.

Designed for compatible 6.3mm professional 75Ω coax, the NBNC75BLP7X features:

• True 75Ω impedance
• rearTWIST UHD construction
• 6.3mm cable O.D.
• 1.07mm centre-pin crimp
• 6.47mm hex shield/jacket crimp
• Published performance through 18GHz
• Optimised centre-contact and insulator geometry
• Swiss Antraloy shell plating
• Gold-plated brass centre contact
• PP polypropylene dielectric
• More than 1,000 mating cycles
• Standard BNC bayonet compatibility
• Patented rearTWIST operation
• Professional jacket-crimp cable anchoring

It is particularly suited to:

• 4K broadcast
• 8K video systems
• UHD television production
• Professional 12G-SDI workflows
• Broadcast studios
• Outside broadcast
• Film and television
• Live event video
• Touring production
• Video routing
• High-density patch systems
• Professional AV
• Equipment hire
• Broadcast engineering workshops

Dedicated rearTWIST UHD BNC

The NBNC75BLP7X belongs specifically to Neutrik’s:

rearTWIST UHD BNC

range.

This is not simply the standard BLP7 HD connector with a different product name.

Neutrik has redesigned critical internal geometry specifically for higher-frequency video transmission.

The UHD version incorporates an optimised:

• Centre-contact design
• Insulator design
• Reduced centre-pin crimp diameter

to improve return-loss performance at frequencies far above Neutrik’s standard HD range.

Specifically Engineered for 4K and 8K

Neutrik specifically positions its rearTWIST UHD BNC range for:

4K and 8K high-resolution video signal transmission.

As video bandwidth increases, impedance irregularities become increasingly important.

Even relatively small variations caused by:

• Cable bending
• Connector assembly
• Cable damage
• Poor interfaces
• Inaccurate impedance

can reduce transmission margin.

The NBNC75BLP7X is designed to provide additional return-loss headroom for these demanding professional applications.

Published Performance Through 18GHz

Neutrik publishes high-frequency VSWR and return-loss performance for the NBNC75BLP7X through:

18GHz.

Up to 6GHz

VSWR: ≤1.06
Return Loss: >30dB

Up to 12GHz

VSWR: ≤1.13
Return Loss: >24dB

Up to 18GHz

VSWR: ≤1.22
Return Loss: >20dB

These figures provide a measurable indication of the connector’s high-frequency performance rather than relying on vague phrases such as “excellent signal quality”.

Increased Return-Loss Headroom

Neutrik specifically designed the UHD range to provide additional return-loss reserve compared with conventional BNC designs.

This additional margin can help accommodate real-world impedance variations caused by:

• Tight cable bends
• Minor cable deformation
• Connector assembly variations
• Interface tolerances
• Damaged or stressed coax

This does not eliminate the need for correct cable handling or assembly, but it provides greater high-frequency headroom within a properly engineered system.

Professional 12G-SDI Workflows

The NBNC75BLP7X is highly relevant to modern professional 12G-SDI and UHD production workflows.

Its published high-frequency performance and Neutrik’s explicit 4K/8K positioning make it an appropriate connector candidate where a properly selected cable and completed assembly meet the requirements of the intended SDI format.

Successful 12G-SDI performance still depends on the complete signal path, including:

• Cable type
• Cable attenuation
• Cable length
• Connector assembly
• Crimp accuracy
• Number of intermediate connections
• Patch panels
• Equipment

The connector alone does not determine maximum transmission distance.

True 75Ω Impedance

The NBNC75BLP7X is designed as a:

True 75Ω BNC connector.

Professional coaxial video systems rely on controlled 75Ω impedance throughout the complete signal path.

That signal path may include:

• Coax cable
• BNC connectors
• Chassis connectors
• Patch panels
• Routers
• Vision mixers
• Cameras
• Recorders
• Monitors
• Distribution equipment

Impedance mismatch can result in unwanted reflected energy and reduced transmission margin.

Correct connector-to-cable matching is therefore essential.

Compatible with Conventional BNC Chassis Connectors

Despite its specialised UHD internal construction, Neutrik confirms that the NBNC75BLP7X remains:

Fully compatible with conventional BNC chassis connectors.

This is particularly useful when upgrading existing professional video infrastructure.

A facility can use the improved UHD cable connector without needing a proprietary mating socket.

6.3mm Cable O.D.

Neutrik specifies:

Cable O.D.: 6.3mm

for NBNC75BLP7X.

However, cable diameter alone does not determine compatibility.

Several Neutrik BNC connectors use the same nominal 6.3mm cable O.D. while being designed around different:

• Centre-conductor dimensions
• Dielectric diameters
• Shield geometry
• Cable construction

Always select the connector according to the exact cable model.

Approved Cable Compatibility

Neutrik currently lists NBNC75BLP7X as suitable for cables including:

• Belden 8241
• CAE KX6A
• Canare LV-61S
• Cordial CVI / CVM 06-37
• CommScope 5563
• Draka 0.6/3.7
• Draka 0.6L/3.7
• Proel HPC 805
• RG59B/U
• Sommer 600-0051 M/L/S
• Sommer 600-0054 M/L/S
• Klotz V06/37
• Nexans HF 75 0,6/3,7 2YCY
• Percon VK95

For any cable not specifically listed, check the latest Neutrik Cable-to-Connector Guide before assembly.

Compatible with Belden 8241

One of the key cable matches for NBNC75BLP7X is:

Belden 8241.

Neutrik lists this cable directly for the connector.

This makes the NBNC75BLP7X relevant to technicians upgrading or maintaining professional 75Ω infrastructure based around Belden 8241 while requiring Neutrik’s UHD connector architecture.

Compatible with Canare LV-61S

Neutrik also lists:

Canare LV-61S

as suitable for the NBNC75BLP7X.

This provides an important option for professional video workshops using Canare coaxial cable.

RG59B/U Compatibility

Neutrik lists:

RG59B/U

as a suitable cable.

That should not be broadened into a claim that every cable marketed generically as “RG59” is automatically compatible.

RG59-family cables can vary in:

• Centre conductor
• Dielectric
• Shield
• Jacket construction

The safest wording is:

Compatible with RG59B/U and other cable types specifically approved by Neutrik.

BLP7X vs BLP9X – Same Size Does Not Mean Same Connector

As with Neutrik’s HD range, the BLP7X and BLP9X can look deceptively similar.

Both are designed around a nominal:

6.3mm cable O.D.

and both use a:

6.47mm shield crimp.

However, they are engineered for different coaxial geometries.

The correct model must therefore be selected according to the exact cable being used.

Do not select a BNC connector based only on cable outside diameter.

Reduced 1.07mm Centre-Pin Crimp

The NBNC75BLP7X uses a:

1.07mm centre-pin crimp.

This is one of the defining engineering differences between Neutrik’s UHD and standard HD BNC ranges.

Neutrik reduced the centre-pin crimp diameter specifically to improve return-loss performance at high frequencies.

6.47mm Shield/Jacket Crimp

The shield and jacket require:

6.47mm hex crimp.

This creates the outer mechanical and electrical connection to the coaxial cable.

Correct shield crimping contributes to:

• Shield continuity
• Cable retention
• Mechanical stability
• Professional finished appearance

Dedicated DIE-R-BNCX-PDG Crimp Die

Neutrik specifies:

DIE-R-BNCX-PDG

as the correct crimp die for the NBNC75BLP7X.

For this connector, the die provides:

Centre Pin: 1.07mm
Shield: 6.47mm

and is used with the:

HX-R-BNC crimp-tool frame.

Correct tooling is particularly important for the UHD range because the centre-pin crimp dimension is part of the connector’s high-frequency design.

Do Not Use Standard BLP7 HD Pin Tooling

The standard:

NBNC75BLP7

uses a:

1.6mm centre-pin crimp.

The UHD:

NBNC75BLP7X

uses:

1.07mm.

The two models therefore require different centre-pin crimp tooling.

Although their:

• Cable O.D.
• Shield crimp

are the same, the centre-contact assembly is not.

NBNC75BLP7X vs NBNC75BLP7

The model suffix X is critical.

NBNC75BLP7X – UHD

Series: rearTWIST UHD
Cable O.D.: 6.3mm
Centre Pin: 1.07mm
Shield Crimp: 6.47mm
Insert: PP polypropylene
Shell Plating: Antraloy
Return Loss: >30dB to 6GHz, >24dB to 12GHz, >20dB to 18GHz
Primary Positioning: High-resolution 4K / 8K video

NBNC75BLP7 – HD

Series: rearTWIST HD
Cable O.D.: 6.3mm
Centre Pin: 1.6mm
Shield Crimp: 6.47mm
Insert: PTFE
Shell Plating: Optalloy
Return Loss: >32dB to 1GHz, >30dB to 2GHz, >26dB to 3GHz
Primary Positioning: Professional HD video

The UHD model is therefore not simply a renamed standard connector.

Why the UHD Design Matters

At lower video data rates, a conventional professional 75Ω BNC may provide more than sufficient transmission performance.

As data rates and frequencies increase, small impedance deviations become more significant.

Neutrik’s UHD redesign specifically addresses that by optimising:

• Contact geometry
• Insulator geometry
• Centre-pin crimp diameter

to provide greater return-loss margin.

rearTWIST Technology

The NBNC75BLP7X retains Neutrik’s patented:

rearTWIST

operating principle.

Rather than gripping and rotating the front metal shell, the technician operates the BNC from the accessible rear boot.

This is particularly useful around:

• High-density routers
• Patch panels
• Broadcast racks
• Recessed equipment
• OB trucks
• Flypacks
• Production video systems

Ideal for High-Density BNC Panels

Modern production hardware can contain extremely high BNC connector densities.

Where conventional BNC plugs are closely packed, access to the connector head can become difficult.

rearTWIST moves the practical operating point behind the connector.

This can simplify:

• Patching
• Unpatching
• Installation
• Maintenance
• Troubleshooting
• Cable replacement

Standard Bayonet Interface

The NBNC75BLP7X still uses the familiar professional:

BNC bayonet locking mechanism.

The connector is inserted into a compatible BNC socket and rotated into its locked position.

rearTWIST changes how the user grips the connector, not the standard BNC mating interface.

Precision Brass Construction

Neutrik specifies:

Centre Contact: Brass CuZn35Pb2
Shell: Brass CuZn39Pb3

for the NBNC75BLP7X.

Precision machining helps maintain the controlled geometry required by a professional high-frequency coaxial connector.

Gold-Plated Centre Contact

The centre contact uses:

0.2µm AuCo gold plating.

This provides the central professional signal interface within the 75Ω connection.

Swiss Antraloy Plating

Neutrik highlights:

Swiss Antraloy plating

as a feature of the rearTWIST UHD range.

The brass shell of NBNC75BLP7X uses this Antraloy finish.

This is one of the construction differences between the UHD model and the standard HD BLP7, which uses Optalloy.

PP Polypropylene Insulator

The NBNC75BLP7X uses:

PP – polypropylene

for the insert.

The dielectric is a critical part of the connector’s high-frequency design.

The material and physical geometry help define the characteristic impedance and return-loss performance.

Jacket Crimp Cable Anchoring

Neutrik specifies:

Jacket crimping

for cable anchoring.

The shield/jacket crimp helps provide:

• Mechanical retention
• Strain management
• Shield connection
• Clean professional termination

while avoiding exposed grounding braid around the finished assembly.

Cable Retention Greater Than 30N

Neutrik specifies:

Cable Retention: >30N

when the connector is assembled correctly.

Actual performance depends on using:

• Correct cable
• Correct stripping dimensions
• Correct connector
• Correct crimp die
• Correct tool

Insertion Force Below 25N

Neutrik specifies:

Insertion Force: <25N.

The connector combines straightforward mating with positive bayonet locking.

More Than 1,000 Mating Cycles

Neutrik specifies:

Lifetime: >1,000 mating cycles.

This makes it particularly relevant to professional production equipment where cables are regularly:

• Connected
• Disconnected
• Patched
• Transported
• Serviced

Electrical Contact Resistance

Neutrik specifies:

Inner Contact Resistance: ≤3mΩ
Outer Contact Resistance: ≤2mΩ

These values form part of the connector’s professional electrical specification.

Insulation Resistance

Neutrik specifies:

>5GΩ.

Dielectric Strength

Neutrik specifies:

1.5kV DC.

This is an electrical test specification rather than an intended operating voltage.

Rated Voltage

The published rated voltage is:

<50V.

The NBNC75BLP7X is a professional video/signal connector and is not intended for mains-power distribution.

Operating Temperature

Neutrik specifies:

-30°C to +85°C.

The complete cable assembly may have a narrower operating range depending on the coaxial cable selected.

IEC Crimpability

Neutrik specifies that contact crimpability complies with:

IEC 60803

and:

IEC 60352-2.

This provides a recognised professional basis for the crimp termination system.

Professional Broadcast Facilities

The NBNC75BLP7X is particularly relevant to broadcast facilities migrating toward:

• UHD production
• 4K workflows
• High-bandwidth SDI
• High-resolution monitoring
• Modern video routing

Applications may include:

• Studio cameras
• Vision mixers
• Routers
• Recorders
• Monitoring
• Patch systems

Outside Broadcast

Modern OB trucks and mobile production units frequently combine:

• High-resolution video
• Dense BNC routing
• Limited rack space

The combination of:

• UHD performance
• rearTWIST access
• 6.3mm cable compatibility

makes the NBNC75BLP7X particularly well suited to these environments.

Film and Television

Film and television production increasingly involves:

• 4K acquisition
• UHD monitoring
• High-resolution recording
• Routing
• Video villages
• Production stages

The NBNC75BLP7X provides a professional connector option where compatible 6.3mm coax is being used.

Live Event Video

Major live events now commonly use sophisticated digital video systems incorporating:

• Cameras
• IMAG
• LED processors
• Vision mixers
• Routers
• Recorders
• Monitoring
• Broadcast outputs

The NBNC75BLP7X is a professional option for compatible high-bandwidth coaxial cable used throughout these systems.

Touring Video

Touring video inventory is exposed to repeated:

• Deployment
• Connection
• Disconnection
• Coiling
• Transport
• Reinstallation

The combination of professional UHD performance, jacket crimping, rearTWIST operation and >1,000 mating cycles suits demanding touring environments.

Professional AV

High-end professional AV systems may use coaxial video for:

• SDI routing
• Camera feeds
• Broadcast integration
• Monitoring
• Recording
• LED processing
• Large-format presentation

Where higher-bandwidth UHD transmission is required, the X-series connector provides a dedicated Neutrik solution.

Equipment-Hire Companies

Hire companies can use NBNC75BLP7X when:

• Building UHD video inventory
• Repairing high-bandwidth coax cables
• Maintaining broadcast packages
• Preparing touring systems
• Supporting film and television production

Keeping HD and UHD connector tooling clearly separated is essential because the centre-pin crimp dimensions differ.

Optional Colour-Coded Boots

Neutrik’s BST-BNC rearTWIST boots are available in multiple colours.

Colour coding can identify:

• Cable length
• Camera number
• Signal type
• Destination
• Department
• Production
• Ownership

This is useful in large broadcast and touring cable inventories.

Cable Preparation Is Critical

Correct assembly is particularly important in UHD systems.

When terminating NBNC75BLP7X:

1. Confirm the exact cable model is approved by Neutrik.
2. Follow the correct stripping dimensions.
3. Do not damage the centre conductor.
4. Preserve the coaxial dielectric geometry.
5. Control all braid strands.
6. Seat the centre contact correctly.
7. Use the specified 1.07mm centre-pin crimp.
8. Use the 6.47mm shield/jacket crimp.
9. Inspect the completed assembly.
10. Test the cable at the required video format.

Cable Handling Matters

A high-performance connector cannot compensate for damaged coaxial cable.

Avoid:

• Crushing
• Excessive bend radius
• Over-tight cable ties
• Heavy equipment rolling across cable
• Poor storage
• Repeated sharp kinks

Always follow the coaxial cable manufacturer’s minimum bend-radius requirements.

Test Completed UHD Cables

Basic continuity testing confirms wiring but does not prove high-frequency UHD performance.

At minimum check:

• Centre continuity
• Shield continuity
• No centre-to-shield short
• Correct centre-pin seating
• Cable retention
• BNC bayonet operation

For mission-critical UHD, 4K or high-data-rate SDI applications, use appropriate professional signal or cable testing to verify the completed assembly.

Product Specifications

Brand: Neutrik
Model: NBNC75BLP7X
Series: rearTWIST UHD BNC
Product Type: UHD 75Ω BNC cable connector
Gender: Male
Impedance: True 75Ω
Application: High-resolution 4K / 8K professional video
Locking: BNC bayonet with rearTWIST operation
Cable O.D.: 6.3mm
Centre-Pin Crimp: 1.07mm
Shield/Jacket Crimp: 6.47mm hex
Cable Anchoring: Jacket crimping
Cable Retention: >30N
Insertion Force: <25N
Mechanical Life: >1,000 mating cycles
Inner Contact Resistance: ≤3mΩ
Outer Contact Resistance: ≤2mΩ
Insulation Resistance: >5GΩ
Dielectric Strength: 1.5kV DC
Rated Voltage: <50V
Return Loss to 6GHz: >30dB
Return Loss to 12GHz: >24dB
Return Loss to 18GHz: >20dB
Centre Contact: Brass CuZn35Pb2
Centre Contact Plating: 0.2µm AuCo gold
Insert: PP – polypropylene
Shell: Brass CuZn39Pb3
Shell Plating: Antraloy
Temperature Range: -30°C to +85°C
Crimpability: IEC 60803 / IEC 60352-2 compliant

Neutrik-Approved Suitable Cables

• Belden 8241
• CAE KX6A
• Canare LV-61S
• Cordial CVI / CVM 06-37
• CommScope 5563
• Draka 0.6/3.7
• Draka 0.6L/3.7
• Proel HPC 805
• RG59B/U
• Sommer 600-0051 M/L/S
• Sommer 600-0054 M/L/S
• Klotz V06/37
• Nexans HF 75 0,6/3,7 2YCY
• Percon VK95

Always consult the current Neutrik cable reference for cables not specifically listed.

Recommended Neutrik Tooling

Crimp Tool: HX-R-BNC
Crimp Die: DIE-R-BNCX-PDG
Centre-Pin Crimp: 1.07mm
Shield/Jacket Crimp: 6.47mm
Cable Stripper: CS-BNC-RT
Optional Colour Boots: BST-BNC-*
Assembly Tool Kit: CAS-BNC-T

Why Choose the Neutrik NBNC75BLP7X?

Choose the NBNC75BLP7X where professional video infrastructure requires:

• Genuine Neutrik quality
• Dedicated rearTWIST UHD construction
• True 75Ω impedance
• Professional 4K / 8K positioning
• High-frequency performance through 18GHz
• Suitability for properly engineered high-bandwidth SDI workflows
• 6.3mm cable format
• Belden 8241 compatibility
• Canare LV-61S compatibility
• RG59B/U compatibility
• 1.07mm UHD centre-pin crimp
• 6.47mm shield/jacket crimp
• Optimised contact and insulator geometry
• Antraloy-plated brass shell
• Gold-plated centre contact
• Conventional BNC chassis compatibility
• More than 1,000 mating cycles
• rearTWIST access in high-density systems

It is particularly valuable where customers already use the BLP7 cable family but require Neutrik’s dedicated UHD connector performance rather than the standard HD version.

Why Buy Neutrik NBNC75BLP7X from GigLife?

GigLife supplies professional connectors, adaptors, cables, tapes, consumables and technical accessories specifically for the entertainment and production industries.

With more than 25 years of hands-on live entertainment industry experience, GigLife understands that UHD video performance depends on the complete cable assembly—from selecting the correct coax and connector through to precision crimping, handling and testing.

Products are selected by people who work in production and understand the requirements of:

• Video technicians
• Broadcast engineers
• AV technicians
• Touring crews
• Production companies
• Film and television departments
• Broadcast facilities
• Festivals
• Live event video teams
• Conference production
• Exhibition contractors
• Equipment-hire businesses
• Venues and performing arts centres

Whether you are building high-resolution broadcast cables, maintaining an OB system, preparing touring UHD inventory or restocking a professional video workshop, GigLife supplies genuine professional components selected by people who understand the job.

Orders are dispatched from Brisbane, with Australia-wide shipping available.

GigLife is proudly by the professionals… for the professionals.