Barrel - Audio Connectors

Image Part Number Description / PDF Quantity Rfq
111PC

111PC

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

0

PJRAS1X1S04AU

PJRAS1X1S04AU

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

0

BPJR01AU

BPJR01AU

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM PNL MT

0

BPJF04

BPJF04

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM PNL MT

0

C12AZ

C12AZ

Switchcraft / Conxall

CARRYING CASE SOFT

0

113E

113E

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

0

MS112B

MS112B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

RTT34B02

RTT34B02

Switchcraft / Conxall

CONN JACK STEREO 4.39MM R/A

0

N111PC

N111PC

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

0

RTTC34B05

RTTC34B05

Switchcraft / Conxall

CONN JACK STEREO 4.39MM R/A

0

3501FX

3501FX

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM PNL MT

0

112B

112B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

M114B

M114B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

3512AX

3512AX

Switchcraft / Conxall

CONN PHONO JACK

0

L114B

L114B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

M1012

M1012

Switchcraft / Conxall

CONN PLUG STEREO

0

176S

176S

Switchcraft / Conxall

CONN PLUG MONO 6.35MM 2COND

0

MDSMT3BRATR

MDSMT3BRATR

Switchcraft / Conxall

CONN JACK STEREO 2.5MM SMD R/A

0

3558-1

3558-1

Switchcraft / Conxall

CONN RCA PLUG MONO 2COND

0

450X

450X

Switchcraft / Conxall

CONNECTOR

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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