Barrel - Audio Connectors

Image Part Number Description / PDF Quantity Rfq
E11

E11

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

0

12AW11

12AW11

Switchcraft / Conxall

SEALED 1/4" JACK, MONO, TIP IS S

96

35HDRANAUS

35HDRANAUS

Switchcraft / Conxall

CONN PLUG STEREO 3.5MM RA 3COND

0

PJRAS1X1S04AUX

PJRAS1X1S04AUX

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

0

MDSMT3BRATRX

MDSMT3BRATRX

Switchcraft / Conxall

CONN JACK STEREO 2.5MM SMD R/A

0

11W11

11W11

Switchcraft / Conxall

SEALED 1/4" JACK, MONO, OPEN CIR

98

MDSMT2ARATRX

MDSMT2ARATRX

Switchcraft / Conxall

CONN JACK MONO 2.5MM SMD R/A

0

267S25

267S25

Switchcraft / Conxall

SEALED 1/4" PLUG, STEREO, 0.231"

100

YMT334BN

YMT334BN

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

0

820X

820X

Switchcraft / Conxall

CONN JACK MONO 6.35MM

0

250S15

250S15

Switchcraft / Conxall

SEALED 1/4" PLUG, MONO, 0.140" [

100

35HDRABN

35HDRABN

Switchcraft / Conxall

CONN RA 3.5MM STEREO PLUG

0

3501M

3501M

Switchcraft / Conxall

CONN RCA PLUG MONO 2COND

0

SN70B12A

SN70B12A

Switchcraft / Conxall

CONN JACK MONO 6.35MM R/A

0

255

255

Switchcraft / Conxall

CONN PLUG MONO 6.35MM 2COND

0

482NCP

482NCP

Switchcraft / Conxall

CONN PLUG STEREO 6.35MM 3COND

0

PJRAS2X1S01

PJRAS2X1S01

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

0

3514PC

3514PC

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM PCB

0

PJRAS1X3U01

PJRAS1X3U01

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

0

PJRAN1X1U01AUX

PJRAN1X1U01AUX

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

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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