Barrel - Audio Connectors

Image Part Number Description / PDF Quantity Rfq
T1689

T1689

Switchcraft / Conxall

CONN PLUG STEREO 6.35MM

0

K165

K165

Switchcraft / Conxall

CONNECTOR

0

C12B

C12B

Switchcraft / Conxall

CONN JACK STEREO 5.33MM PNL MNT

0

RTTC8701

RTTC8701

Switchcraft / Conxall

CONN JACK TWIN STEREO 4.39MM R/A

0

112BPC

112BPC

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

N114B

N114B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

112A

112A

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

0

PJRAS3X2S02

PJRAS3X2S02

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

0

440Z

440Z

Switchcraft / Conxall

CONN PLUG STEREO

0

M112BPC

M112BPC

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

484Z

484Z

Switchcraft / Conxall

CONN PLUG STEREO

0

265X

265X

Switchcraft / Conxall

CONN PLUG STEREO 6.35MM

0

5501F

5501F

Switchcraft / Conxall

CONN MIC PLUG MONO 2COND

0

TT253

TT253

Switchcraft / Conxall

CONN PLUG STEREO 4.39MM 3COND

0

177S

177S

Switchcraft / Conxall

CONN PLUG MONO 6.35MM 2COND

0

435Z

435Z

Switchcraft / Conxall

CONN PLUG STEREO

0

3511AX

3511AX

Switchcraft / Conxall

CONN PHONO JACK

0

PJRAS3X1S02X

PJRAS3X1S02X

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

0

24B

24B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

NL112A

NL112A

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

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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