Barrel - Audio Connectors

Image Part Number Description / PDF Quantity Rfq
MJ-132

MJ-132

NEXUS (Amphenol NEXUS Technologies)

MICROPHONE JACK - 2 CONDUCTOR

0

TP-101SP

TP-101SP

NEXUS (Amphenol NEXUS Technologies)

TELEPHONE PLUG 4 COND

0

TJ-105HT

TJ-105HT

NEXUS (Amphenol NEXUS Technologies)

INLINE JACK 5 COND

0

TPSJ-101

TPSJ-101

NEXUS (Amphenol NEXUS Technologies)

TELEPHONE PLUG SLIDE SWITCH

0

AP-107AS

AP-107AS

NEXUS (Amphenol NEXUS Technologies)

SEVEN CONDUCTOR WATERPROOF

0

TPSJ-108NS

TPSJ-108NS

NEXUS (Amphenol NEXUS Technologies)

TELEPHONE PLUG SLIDE SWITCH

0

AJ-107BR-M

AJ-107BR-M

NEXUS (Amphenol NEXUS Technologies)

SEVEN CONDUCTOR WATERPROOF

0

AP-107AS-SP

AP-107AS-SP

NEXUS (Amphenol NEXUS Technologies)

SEVEN CONDUCTOR WATERPROOF

0

TJSS-108SPS

TJSS-108SPS

NEXUS (Amphenol NEXUS Technologies)

TELEPHONE JACK DOUBLE SWITCH

0

TJS-102SPB

TJS-102SPB

NEXUS (Amphenol NEXUS Technologies)

TELEPHONE JACK SWITCH

0

AP-107DR

AP-107DR

NEXUS (Amphenol NEXUS Technologies)

SEVEN CONDUCTOR WATERPROOF

0

AJ-107PMS

AJ-107PMS

NEXUS (Amphenol NEXUS Technologies)

SEVEN CONDUCTOR WATERPROOF

0

TJ-101S

TJ-101S

NEXUS (Amphenol NEXUS Technologies)

INLINE JACK 4 COND

0

TJSS-108-2J5/307

TJSS-108-2J5/307

NEXUS (Amphenol NEXUS Technologies)

TELEPHONE JACK DOUBLE SWITCH

0

TJS-102SP

TJS-102SP

NEXUS (Amphenol NEXUS Technologies)

TELEPHONE JACK SWITCH

0

TJ-102BL/NR

TJ-102BL/NR

NEXUS (Amphenol NEXUS Technologies)

INLINE JACK 4 COND

0

TJT-105DC

TJT-105DC

NEXUS (Amphenol NEXUS Technologies)

TELEPHONE PLUG

0

TJSS-106HC

TJSS-106HC

NEXUS (Amphenol NEXUS Technologies)

TELEPHONE JACK DOUBLE SWITCH

0

TP-106S

TP-106S

NEXUS (Amphenol NEXUS Technologies)

TELEPHONE PLUG 6 COND

0

AJS-107B

AJS-107B

NEXUS (Amphenol NEXUS Technologies)

CONN JACK 7P

0

Barrel - Audio Connectors

1. Overview

Barrel audio connectors are cylindrical electro-mechanical interfaces primarily used for analog audio signal transmission or low-voltage power delivery. Defined by their coaxial structure with center pin and outer sleeve contacts, these connectors ensure reliable connectivity in audio equipment. Their importance in modern technology stems from their cost-effectiveness, durability, and ability to maintain signal integrity in critical applications ranging from consumer electronics to professional audio systems.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Standard Barrel3.5mm/6.35mm diameter, unbalanced signal transmissionHeadphone jacks, guitar cables
Locking BarrelThreaded coupling mechanism for vibration resistanceStage monitoring systems
Miniature Barrel2.5mm/3.0mm size with compact designPortable audio devices
Bantam ConnectorDouble-row configuration for space-constrained panelsProfessional mixing consoles

3. Structure and Components

Typical construction includes: - Center Contact: Gold-plated phosphor bronze for signal transmission - Insulation Sleeve: High-temperature resistant thermoplastic - Outer Contact: Spring-loaded brass with EMI shielding - Housing: Nickel-plated brass or durable polymer The three-point contact design ensures mechanical stability while maintaining electrical continuity.

4. Key Technical Specifications

ParameterSignificance
Impedance (10k -1M )Affects signal fidelity in audio circuits
Contact Resistance ( 5m )Determines power transmission efficiency
Durability (5000+ cycles)Reliability indicator for frequent connections
Frequency Range (20Hz-20kHz)Audio signal bandwidth compatibility
Shielding Effectiveness ( 60dB)EMI/RFI interference reduction

5. Application Fields

  • Consumer Electronics: Smartphones, laptops
  • Professional Audio: Mixing consoles, studio monitors
  • Instrumentation: Electric guitars, synthesizers
  • Medical Devices: Patient monitoring systems

6. Leading Manufacturers and Products

ManufacturerRepresentative Product
Amphenol AudioNE800 Series Switchcraft jacks
NeutrikNCJ6FX nickel-plated connectors
SwitchcraftONA Series locking audio connectors
MolexMicro-Lock plus contact systems

7. Selection Recommendations

Consider: 1. Mechanical requirements (panel space, insertion force) 2. Electrical parameters (impedance matching, current rating) 3. Environmental factors (temperature range, corrosion resistance) 4. Termination type (solder vs. PCB mount) 5. Compliance standards (RoHS, REACH) For live sound applications, prioritize locking mechanisms and gold-plated contacts.

8. Industry Trends

Current trends include: - Miniaturization for wearable devices (sub-2mm designs) - Integration with digital signal paths (analog-digital hybrid connectors) - Enhanced shielding for 5G coexistence - Biodegradable polymer housing development - Smart connectors with integrated presence detection Market growth projected at 4.2% CAGR through 2027 driven by immersive audio technologies.

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