Barrel - Audio Connectors

Image Part Number Description / PDF Quantity Rfq
QM2P

QM2P

Tuchel / Amphenol

1/4" PHONE STR MONO NICKEL

490

KM2P-AU

KM2P-AU

Tuchel / Amphenol

3.5MM PHONE STR MONO GOLD

0

KS3PB

KS3PB

Tuchel / Amphenol

3.5MM PHONE STR STEREO NICKEL BL

98

ACJS-MHS

ACJS-MHS

Tuchel / Amphenol

1/4" PHONE STEREO MET NUT SLD

0

ACPM-TB-AU

ACPM-TB-AU

Tuchel / Amphenol

1/4" T SERIES PHONE 90' MONO GOL

0

ACPS-KN-AU

ACPS-KN-AU

Tuchel / Amphenol

1/4" K SERIES PHONE STR STEREO G

0

ACJS-MN-3

ACJS-MN-3

Tuchel / Amphenol

1/4" PHONE STEREO VERTICAL SCHEM

0

JS3PB-AU

JS3PB-AU

Tuchel / Amphenol

1/4" JUMBO PHONE STR STEREO AU

0

ACJS-MVS-3S

ACJS-MVS-3S

Tuchel / Amphenol

1/4" PHONE STEREO VERTICAL SLD S

0

ACJR-SBK

ACJR-SBK

Tuchel / Amphenol

RCA SERIES FEMALE CABLE SAT/BK

0

ACJS-MVS-3

ACJS-MVS-3

Tuchel / Amphenol

1/4" PHONE STEREO VERTICAL SLD S

0

ACPL-CGR

ACPL-CGR

Tuchel / Amphenol

RCA SERIES MALE CABLE BLK CHROME

0

ACPR-SYL

ACPR-SYL

Tuchel / Amphenol

RCA SERIES MALE CABLE SATIN/YL

0

ACJS-PHOP-1

ACJS-PHOP-1

Tuchel / Amphenol

1/4" PHONE TRS OFFSET HORZ PCB S

0

ACPL-CBL

ACPL-CBL

Tuchel / Amphenol

RCA SERIES MALE CABLE BLK CHROME

0

ACJS-MV-3S

ACJS-MV-3S

Tuchel / Amphenol

1/4" PHONE STEREO VERTICAL PCB S

0

ACJS-MVD985-3S

ACJS-MVD985-3S

Tuchel / Amphenol

DUAL 3.5MM/1/4" TRS VERT PCB SCH

0

ACJS-MIV-3S

ACJS-MIV-3S

Tuchel / Amphenol

1/4" PHONE STEREO VERTICAL PCB I

0

ACPR-SBL

ACPR-SBL

Tuchel / Amphenol

RCA SERIES MALE CABLE SATIN/BL

0

KS3PC

KS3PC

Tuchel / Amphenol

3.5MM PHONE STR STEREO BLACK CHR

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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