Barrel - Audio Connectors

Image Part Number Description / PDF Quantity Rfq
3504MX

3504MX

Switchcraft / Conxall

CONN RCA PLUG MONO 2COND

0

RA70B12A

RA70B12A

Switchcraft / Conxall

CONN JACK MONO 6.35MM R/A

0

RA70C12A

RA70C12A

Switchcraft / Conxall

CONN JACK MONO 6.35MM R/A

0

113D

113D

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

0

K165X

K165X

Switchcraft / Conxall

CONNECTOR

0

3511A

3511A

Switchcraft / Conxall

CONN PHONO JACK

0

RTT8704

RTT8704

Switchcraft / Conxall

CONN JACK TWIN STEREO 4.39MM R/A

0

3518PCX

3518PCX

Switchcraft / Conxall

CONN RCA JACK MONO PCB

0

2332B

2332B

Switchcraft / Conxall

CONN JACK DUAL STEREO PNL MNT

0

N112BPC

N112BPC

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

N112B

N112B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

NL113B

NL113B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

482Z

482Z

Switchcraft / Conxall

CONN PLUG STEREO

0

35RASMT2AHNTR

35RASMT2AHNTR

Switchcraft / Conxall

CONN JACK MONO 3.5MM SMD R/A

0

C11

C11

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

0

N112A

N112A

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

0

RTTC34B01

RTTC34B01

Switchcraft / Conxall

CONN JACK STEREO 4.39MM R/A

0

RTT34B05

RTT34B05

Switchcraft / Conxall

CONN JACK STEREO 4.39MM R/A

0

L112B

L112B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

3558-5

3558-5

Switchcraft / Conxall

CONN RCA PLUG MONO 2COND

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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