Barrel - Audio Connectors

Image Part Number Description / PDF Quantity Rfq
CN12B

CN12B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

30

35HDSN17

35HDSN17

Switchcraft / Conxall

3.5MM SLD STEREO PLUG .17 TIN, R

71

SN37A11

SN37A11

Switchcraft / Conxall

CONN JACK MONO 6.35MM R/A

85

PJRAN1X1U01X

PJRAN1X1U01X

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

2806

190A

190A

Switchcraft / Conxall

CONN PLUG STEREO 6.35MM 3COND

0

E11B

E11B

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

0

S260

S260

Switchcraft / Conxall

CONN PLUG STEREO 5.23MM 3COND

27

E12BBPKG

E12BBPKG

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

65

S267

S267

Switchcraft / Conxall

CONN PLUG STEREO 5.23MM 3COND

165

N112AX

N112AX

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

485

PJRAN1X1U03X

PJRAN1X1U03X

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

4285

35581X

35581X

Switchcraft / Conxall

CONN RCA PLUG MONO 2COND

0

E111L

E111L

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

550

425X

425X

Switchcraft / Conxall

CONN PLUG MONO 6.35MM 2COND

0

184L

184L

Switchcraft / Conxall

CONN PLUG MONO 6.35MM 2COND

7

35RAPC2AV

35RAPC2AV

Switchcraft / Conxall

CONN JACK MONO 3.5MM R/A

1252

3505FX

3505FX

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM PNL MT

332

298

298

Switchcraft / Conxall

CONN PLUG STEREO 6.35MM 3COND

0

3502A

3502A

Switchcraft / Conxall

CONN RCA PLUG MONO 2COND

972

L11

L11

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

371

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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