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Keensecure Technology Pvt Ltd
Keensecure Technology Pvt Ltd


Public Addressing Systems

Prominent & Leading Manufacturer from Chennai, we offer jbl 3252n audio loudspeaker, jbl- 4722n loudspeaker, jbl-8124 speaker, jbl-8128 ceiling speaker, jbl 8138 ceiling speaker and jbl-lsr308.

JBL 3252N Audio Loudspeaker

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Cinema Sound Products

JBL-3252N-Audio

SOUND PRODUCTS

Two-Way Screen Array Cinema Loudspeaker System


Features :


  • Two-way screen channel design for maximum output, optimal coverage, and minimum distortion.
  • Fully passive operation.
  • New molded Optimized Aperture Waveguide technology for ultra low distortion, consistent coverage pattern and extremely uniform frequency response
  • Low Frequency section features dual 15” transducers with aluminum ribbon wire voice coils for low distortion and high efficiency.
  • Newly designed passive network with driver protection circuit
  • All in one enclosure for simple installation
  • Shallow profile and side connector design for minimum behind screen depth requirement
  • Teonex diaphragm high frequency driver for warm and clean sound. Magnetic fluid for low distortion, high power output.



Specifications:


 

Frequency Range (-10 dB)37 Hz-20 kHz
Frequency Response (±3 dB)53 Hz-18 kHz
System Sensitivity103 dB, 2.83V @ 1 m (3.3 ft)
Nominal Impedance4 ohms
Rated Maximum SPL124 dB, @ 1 m (3.3 ft) 130 dB peak
Input Power Rating400 W (1600 W peak), 2 hrs.
250 W (1000 W peak), 100 hrs
Nominal Coverage100° horizontal, -30°, +20° vertical
Crossover frequency2000 Hz
Low Frequency TransducerTwo 380 mm (15 in) dia., 63 mm (2.5 in) ribbon voice coil transducers
High Frequency TransducerOne 2414H-C compression driver
Dimensions (H x W x D)1100 mm x 640mm x 450mm
(43 1/3 in x 25 1/5 in x 17 3/4 in)
Net Weight46 kg (101 lbs)
Shipping Weight52 kg (115 lbs)
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JBL- 4722N Loudspeaker

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Cinema Sound Products

JBL- 4722N

Two-Way Screen Array™ Cinema Loudspeaker System

Features :


  • Two-way system provides smooth and accurate
  • reproduction of cinema soundtracks
  • 4722 is available as a Passive model with a network
  • (4722N) or the Bi-amp Ready 4722
  • Dual 380mm (15 in) low frequency transducers
  • Power capacity: 600 W continuous IEC pink noise

 

Specifications :


Frequency Range30Hz to 20kHz
Frequency Response40 Hz - 19 kHz (±3 dB)
Sensitivity104dB, 2.83V @ 1m (3.3ft)
Nominal Impedance4722N: 4 Ohms
4722: HF 8 ohms
4722: LF 4 ohms
Rated Maximum SPL130dB, @ 1m (3.3ft) 136 dB peak
Bi-amp System Input Power RatingLF: 808W HF: 85W
Crossover Frequency4722: 630Hz
4722N: 800Hz
Dimensions (H x W x D)1265 x 762 x 450mm
(49.9 x 30 x 17.75in)
Net Weight55.8 kg (123 lbs)
Shipping Weight65.4 kg (144 lbs)
4739 Low Frequency2 x 26SH-1 380 mm (15 in) dia.,
76 mm (3 in) edgewound ribbon
voice coil transducers mounted
in 4509 LF enclosure
Net Weight48.6 kg (107 lbs)
Shipping Weight55.4 kg (122 lbs)
4722-HF High Frequency PackOne 2432H compression driver, One
2384 horn, one adjustable bracket
Net Weight7.3 kg (16 lbs)
Shipping Weight12.7 kg (28 lbs)

 

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JBL-8124 Speaker

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Installed Sound Products JBL 8124

8124 4-inch, Full-range, In-Ceiling Loudspeaker


SOUND PRODUCTS

 

Features :


  • Clear, High-Fidelity Performance
  • Dog-ears for easy Blind Mount Installations
  • High Sensitivity (93 dB, 1W, 1m) for Maximum Power Efficiency
  • 6W Transformer for use of 70V / 100V Distributed Lines.

 

Specifications :


Component4 in (100 mm), Full-range Driver
Frequency Range60 Hz – 18 kHz
Sensitivity93 dB (1 kHz – 8 kHz), 1W, 1M
Coverage130° conical
70V/100V Taps6W, 3W, 1.5W (0.75W at 70V only)
TerminationBare wires
Dimensions
(Diameter x Depth)
8.1 in (206mm) x 3.5 in (89mm)
Weight2.5lb (1.2kg)
Included AccessoriesSculpted Grille
Optional AccessoriesMTC-8124C C-ring, MTC- Rail tile rails
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JBL-8128 Ceiling Speaker

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INSTALLED SOUND PRODUCTS JBL 8128

8124 4-inch, Full-range, In-Ceiling Loudspeaker


SOUND PRODUCTS

 

Features :


  • Clear, High-Fidelity Performance
  • Dog-ears for easy Blind Mount Installations
  • High Sensitivity (97 dB, 1W, 1m) for Maximum Power Efficiency
  • 6W Transformer for use of 70V / 100V Distributed Lines


Specifications :


Component

8 in (200 mm), Full-range Driver

Frequency Range

50 Hz – 16 kHz

Sensitivity

97 dB (1 kHz – 8 kHz), 1W, 1M

Coverage

90° conical

70V/100V Taps

6W, 3W, 1.5W (0.75W at 70V only)

Termination

Bare wires

Dimensions
(Diameter x Depth)

11.3 in (287mm) x 4.1in (105mm)

Weight

3lb (1.4kg)

Included Accessories

Sculpted Grille

Optional Accessories

MTC-8124C C-ring, MTC- Rail tile rails

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JBL 8138 Ceiling Speaker

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INSTALLED SOUND PRODUCTS

JBL 8138

8138 8" (200 mm) Full-Range In-Ceiling Loudspeaker for use with Pre-Install Backcans


SOUND PRODUCTS

 

Features :


  • Stylish, contemporary appearance enhances any decor.
  • Clear sound from an 8 inch dualcone full-range driver.
  • Very high sensitivity of 97 dB for maximum sound levels using minimum amplifier power.
  • 6W transformer for use on 70V/100V distributed speaker lines
  • Installs to in-ceiling backboxes having 4 mounting points on an 11.25" (286 mm) diameter mounting circle.
  • For use with MTC-81BB8 backcan and MTC-81TB8 tile bridge

 

 

Specifications :


Component

200 mm (8 in) Full-Range, Dual-cone

Frequency Range (-10 dB)

95 Hz – 18 kHz

Coverage (2 kHz)

90° conical

Sensitivity (2.83V@ 1m)

97 dB (1 kHz - 8 kHz)

Driver Power Capacity

40W (160W peak), 2 hrs
25W (100W peak), 100 hrs

70V/100V Transformer Taps

6W, 3W, 1.5W, (0.75W at 70V only)

Termination

Bare Wire

Magnet

10 ounces (283 g)

Safety Agency

Transformer is UL registered per UL1876

Installation

Full assembly consists of 8138 speaker plus MTC-81BB8 backbox and
MTC-81TB8 tile bridge. Four screw holes at industry standard 286 mm
(11.25 in) mounting circle.

Dimensions
(Diameter x Depth)

327 mm (12.9") diameter baffle x 84 mm (3.3") depth from back of baffle. Overall depth, 99 mm (3.9")

Mounting Points

4 points on 286 mm (11.25 in) diameter mounting circle

Ceiling Cutout Dimension

300 mm (11.75") with tile bridge and backbox.
228 mm (9.0") diameter as stand alone.

Net Weight

1.4 kg (3.0 lb)

Included Accessories

Integral grille, 4 pcs M4 x 40 mm tapping screws

Optional Accessories

MTC-81BB8 backcan
MTC-81TB8 tile bridge

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JBL-LSR308

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Recording & Broadcast Products JBL LSR308

LSR308 8" Two-Way Powered Studio Monitor


RECORDING & BROADCAST PRODUCTS


Image Control Waveguide Features :


  • JBL Transducers are legendary for their performance.
  • JBL’s Patented Slip Stream™ low frequency port design
  • Big Power, Big Sound
  • Professional Balanced Inputs
  • Selectable Input Sensitivity
  • LF Trim and HF Trim “TRIM” switches
  • JBL Professional Reliability
  • JBL LSR Design - Your Music Needs a Point of Reference
  • Deep Pedigree

 

Specifications :

 

Frequency Range

37Hz - 24khz

Max Peak SPL

112 dB SPL C-Weighted

Max Peak Input

+23 dBu

LF Driver Size

203 mm (8")

HF Driver Size

25 mm (1")

LF Driver Power Amp

56 W Class D

HF Driver Power Amp

56 W Class D

LF Trim Control

+2 dB, 0, -2 dB

HF Trim Control

+2 dB, 0, -2 dB

Input Types

1 x XLR, 1 x TRS Balanced

AC Input Voltage

100-240 VAC +/- 10% 50/60 Hz

Dimensions (H x W x D)

419 mm x 254 mm x 308 mm
(16.5 in x 10 in x 12.1 in)

Weight

8.6 kg (18.9 lbs)

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JBL LSR310S Subwoofer

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RECORDING & BROADCAST PRODUCTS JBL LSR310S

LSR310S 10" Powered Studio Subwoofer


RECORDING & BROADCAST PRODUCTS

 

Features :


  • JBL Patented Slip Stream™ Port
  • XLF Extended Low Frequency Setting
  • Custom 10" Down-Firing High Excursion Low Frequency Driver
  • Professional Balanced Inputs and Outputs
  • Selectable Input Sensitivity
  • Three Crossover Settings
  • Volume Control


Specifications :

 

Driver

250mm (10-inch) High-Excursion, Down-Firing

Low Frequency Extension

27 Hz

Max Peak SPL

113 dB

Amplifier Power

200 W CLass D

Crossover Settings

80 Hz, XLF, External

Inputs

2 x XLR, 2 x TRS Balanced

Outputs

2 x XLR

Maximum Peak Input Level

+20.3 dBu

AC Voltage

100-240 VAC +/- 10% 50/60 Hz

Dimensions (HxWxD)

448 mm x 381 mm x 398 mm
(17.65 in x 15 in x 15.65 in)

Weight

15.6 kg / 34.3 lbs

 

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JBL M2 Loudspeaker

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RECORDING & BROADCAST PRODUCTS

JBL M2

M2 Master Reference Monitor


RECORDING & BROADCAST PRODUCTS

 

Features :


  • The Ultimate High Frequency Driver for Critical Reference Monitoring Extended HF Reproduction Smooth Response High Power Handling Measurably Lower Distortion Reduced Power Compression Increased
  • Dynamic Headroom
  • Exceptional Low Frequency Extension, High Output, Very Low Power Compression, Very Low Distortion
  • Impressive Imaging and Sound Stage, Exceptional High Frequency Detail, Uniform Directivity for Smooth In-Room Response, Patent Pending Design.
  • LSR Linear Spatial Reference Design.
  • Small Footprint, Extended Bass Performance, Patented Low Frequency Port Design.


Technology :


  • D2 DUAL DIAPHRAGM DUAL VOICE COIL COMPRESSION DRIVER
  • DIFFERENTIAL DRIVE® TECHNNOLOGY
  • IMAGE CONTROL WAVEGUIDE
  • LSR LINEAR SPATIAL REFERENCE DESIGN
  • M2 ENCLOSURE

 

Specifications :


System Format

2-Way Floor Standing or Soffit Mountable

High Frequency Model

D2430K Dual Diaphragm Dual Voice Coil Compression Driver

Low Frequency Model

2216Nd 15 in (381 mm) Differential Drive® Woofer

Crossover Frequency

800 Hz

Frequency Range

20 Hz - 40 kHz

Image Control Wave Guide Dispersion

120° H x 100° V

Sensitivity 1W/1m SPL

92 dB

Continuous/Peak SPL@ 1m

117 dB /123 dB; 108 dB Peak SPL @ 8m

The System Requires

One Crown® iTech 5000HD power amp for each speaker, or BSS® Soundweb London Processor with Crown Macro-Tech® MA-5000i

Recommended Amplifier Power

1,200 Watts into 8 ohms

Input Connectors

Spring Terminals

Enclosure Construction

25 mm (1 in) MDF

Finish

Satin Black Lacquer

Included

Removable ABS Grille with Black UL Compliant Fabric

Dimensions (W x H x D)

508mm x 1256mm x 355.6mm (20in x 49.5in x 14in)

Weight

58.5 kg (129 lb)

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JBL Control 1 Pro Loudspeaker

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RECORDING & BROADCAST PRODUCTS

JBL Control 1 Pro

Control 1 Pro Two-Way Professional Compact Loudspeaker System


RECORDING & BROADCAST PRODUCTS

 

Features

  • 150 Watts Continuous Power Handling
  • Professional Drivers and Crossover Network
  • Included Mounting Bracket
  • Transparent and Faithful Sonic Performance
  • Magnetically Shielded Transducers
  • SonicGuard™ Overload Protection
  • Available in Black or White Finishes

 

Specifications :


Frequency Range (-10 dB)

80 Hz to 20 kHz

Frequency Response (± 3 dB)

I00 Hz - 18 kHz

Power Capacity

I50 W

Sensitivity

87 dB SPL, 1 W, 1 m (3.3 ft)

Maximum SPL

108 dB continuous, 114 dB peak

Directivity Factor (Q)

6.0

Directivity Index (DI)

7.8

Nominal Impedance

4 ohms

Crossover Frequency

4.2 kHz

Overload Protection

Full-range SonicGuard™ power limiting to protect network and transducers

LF Drivers

135 mm (5.25 in) low frequency loudspeaker

HF Drivers

19 mm (.75 in) polycarbonate dome tweeter

Input Connectors

Spring-loaded terminals

Enclosure Material

Polypropylene Structural Foam

Finish

Black (C1Pro) or White (C1Pro-WH)

Dimensions

235 mm x 159 mm x 143 mm (9.3 in x 6.3 in x 5.6 in)

Net Weight (ea.)

1.8 kg (4 lb)

Shipping Weight (pair)

4.6 kg (10 lb)

Included Accessories

Mounting Bracket Assembly

Optional Accessories

MTC-1A ultra-duty mount bracket MTC-8 heavy-duty mounting bracket

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CDI-6000 Professional Power Amplifiers

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From our comprehensive variety of products, we offer top quality Professional Power Amplifiers that is extensively renowned amid patrons all across the nation. Developed using the topnotch quality raw material and contemporary technology, these are designed with high precision in order to meet the worldwide norms. Our offered components are widely recognized for their dimensional accuracy, excellent finish and longer service life.

CROWN CDi 6000

SOUND PRODUCTS

 

Features :

 

  • Rugged and lightweight steel construction, fits in any standard equipment rack
  • Operates in dual or bridge-mono modes
  • Wide range of speaker impedances and outputs, including 2/4/8 Ohms and 70/140V
  • Excellent sound reproduction with low distortion
  • Advanced protection circuitry protects against overheating, overloads, and shorts
  • Integrated DSP presets for crossover frequencies, EQ, limiting, compression, delay, and a sub harmonic synthesizer
  • Switch-mode universal power supply
  • Backlit LCD shows relevant information

 

Specifications :

 

Frequency Response

20Hz - 20kHz (@ 1W into 4 Ohms)

Sensitivity

1.4V @ 8 Ohms

Signal to Noise Ratio

100dB

Voltage Gain

Not Specified by Manufacturer

Load Impedance

2-8 Ohms (Stereo)
4-16 Ohms (Bridge-Mono)

Input Impedance

20 k Ohms, Balanced
10 k Ohms, Unbalanced

Output Power

3000W @ 2 Ohms Dual (Per Channel)
2100W @ 4 Ohms Dual (Per Channel)
1200W @ 8 Ohms Dual (Per Channel)
6000W @ 4 Ohms Bridge-Mono
2500W @ 70V Dual (Per Channel)
5000W @ 140V Bridge-Mono

Damping Factor

> 500

Crosstalk

> 70dB

Max Input Signal

+22dBu, Typical

Inputs

2 x 3-Pin Removable Phoenix-Type

Outputs

4-Position Barrier Strip with Connectors for Dual Loudspeakers or Bridge-Mono Loudspeaker

Power

100V, 120V-240V, 50/60Hz

Dimensions (WxHxD)

19 x 3.5 x 16.2" (483 x 89 x 412mm)

Weight

24 lbs (10.9kg)

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Crown Cmx2000 PA Amplifiers

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PROFESSIONAL AMPLIFIERS

 

CROWN CMX2000

SOUND PRODUCTS


Features :


  • CXM2000 provides passive and bi-amp speaker tunings for JBL Cinema Speaker 3252 (N), 3722 (N), 3732,3730, 4722, 4732, 3730, and 4722
  • Built-in speaker monitors the processor input and amplifiers output signals
  • Onboard JBL cinema speaker parameters include crossover, EQ filters, delay, and more to enhance speaker’s performance
  • Fault detection indicates faults on the front panel and sends alarm signals to Theater Management System (TMS)
  • Lit buttons offer easy operation in dark rooms
  • HD-25 connectors and HD-15 connectors for quick and hassle-free connectivity.

 

 

Specifications :

 

Model Number

CMX2000

Product Type

Cinema Monitor and Crossover

Power Consumption

100V ~120V / 220V ~ 240V, 50Hz / 60 Hz, 50W

Processor Input Channels

8 inputs (Left, Center, Right, Surround Left & Right, Back Surround Left & Right, Subwoofer).

Input Impedance (Processor Inputs)

>10k Ω

Input Impedance (Power Amplifier Inputs)

>10k Ω

Signal to Noise Ratio

104 dB (A weighted)

Crosstalk

> 80 dB (A weighted)

Internal Monitor Speaker Power

8W

DSP Section

DSP only for Left, Right and Center channel speakers

Input EQ

High and low shelving filters

Output EQ

8 parametric filters per channel

Delay

Up to 10 msec total delay per channel

Presets

11 presets. One is “ bypass”. Ten are factory-set for JBL cinema systems.

Operating Temperature

32°F to 104°F (0°C to 40 °C) 95% relative humidity (non-condensing)

Dimension (L x D x H)

18.97” X 8.26” X 3.46” (482 mm X 210 mm X 88 mm)

Net Weight

10.47 lbs (4.75 Kg)

Net Shipping Weight

13.34 lbs (6.05 Kg)

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Network Display

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PROFESSIONAL AMPLIFIERS

SOUND PRODUCTS

 

Features :

 

  • Crown’s DriveCore technology includes five patents, providing best-in-class versatility and durability
  • The next generation of PWM technology using cutting edge Class D amplifier topologies
  • Minimum Guaranteed Power Ratings
  • Compatible with HiQNet Audio Architect™ software
  • Direct drive ‘constant voltage’ capabilities on channel by channel basis at 70Vrms and 100Vrms
  • Advanced PFC universal power supply; universal AC input accepts 100 – 240VAC, 50/60Hz (±10%)
  • TCP/IP based protocol in HiQnet for network monitoring and control
  • Revolutionary cooling system; focuses airflow on parts that need it most for maximum efficiency
  • Audio Video Bridging (AVB) Ethernet transport port.

 

Network & Control Features:

 

  • Continuous load monitoring
  • Comprehensive error reporting
  • Pilot tone monitoring
  • Programmable general purpose input/output (GPIO) ports.

 

Digital Signal Processing (DSP) Features:

 

    • LevelMAX™ limiters for inputs and outputs with thermal limiting
    • Input and output delay
    • Input and output EQ
    • Signal generator
    • Crossover
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Xlc Series Amplifiers

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PROFESSIONAL AMPLIFIERS

CROWN XLC Series

SOUND PRODUCTS

With our profound understanding of the prevailing demands of the market, we are offering the most technical innovative assortment of XLc Series Amplifier, used with speakers to increase the sound. Furthermore, these amplifiers are prepared with the modern functions and features to meet the requirements of today's industry. In addition to this, these energy effectual amplifiers can be availed at industry-leading rates.

Features :


  • Two models of 500W (XLC2500) and 800W (XLC2800) per channel at 4-ohms
  • XLC Amplifiers are compatible with CXM2000 for monitor, fault detection and crossover functions
  • XLC Amplifiers are compatible with Crown Monitor System DSi-8M for monitor function
  • Power for 2-ohm, 4-ohm and 8-ohm outputs, supporting stereo and bridge outputs
  • Support parallel connection of cinema surround speaker
  • Indicators provide accurate diagnostics: Power, Signal, Clip and Fault
  • Volume control on rear panel of amplifiers
  • High performance, light weight
  • DriveCore based amplifier – weighs less than 14lbs (6 kgs)

 

Some important features for install applications:


  • Minimal front panel control; block connectors and controls on back of amplifiers
  • High performance lightweight DriveCore based amplifier for audiophile quality and extremely high reliability
  • Configurable input operation for stereo and parallel and bridge modes
  • Configurable output operation for stereo and bridge modes



Specifications :

 

Model

Stereo (all channels driven)

Bridge

 

2-ohms

4-ohms

8-ohms

4-ohms

8-ohms

XLC2500

775W

500W

300W

1550W

1000W

XLC2800

1200W

775W/800W*

440W

2400W

1550W/1600W*

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CS5 Conference System

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CS5 Conference System

Microphones Systems

Reference Digital Conference System

For fixed and mobile conference applications
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CS3 Microphones System

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Microphones System

PLUG 'N' PLAY CONFERENCE SYSTEM

For mobile and fix installed conferences
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CSX IRS10 Microphones System

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Microphones System

REFERENCE DIGITAL CONFERENCE SYSTEM

Conferencing, tour guide, assistive listening
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C12 VR Recording Microphone

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Recording Microphones:

 

  • REFERENCE MULTIPATTERN TUBE CONDENSER MICROPHONE
  • Legendary tube sound for lead vocals, brass instruments and electric guitars
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C414 XLS Microphone

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Recording Microphones

  • REFERENCE MULTIPATTERN CONDENSER MICROPHONE
  • The most versatile microphone for vocals and instruments in studio and on stage
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C414 XLII Microphones

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Recording Microphones :

  • REFERENCE MULTIPATTERN TUBE CONDENSER MICROPHONE
  • For recording of lead vocals and solo instruments in studio and on stage
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C214 Microphones

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Recording Microphones

  • PROFESSIONAL LARGE-DIAPHRAGM CONDENSER MICROPHONE
  • For recording of lead vocals and solo instruments in studio and on stage
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C451 B Microphones

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Recording Microphones

  • REFERENCE SMALL-DIAPHRAGM CONDENSER MICROPHONE
  • For drums, percussion, acoustic guitar and strings
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C414 XLII Matched Pair

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Recording Microphones

  • MATCHED PAIR STEREO SET
  • For stereo recording of any acoustic instruments in studio and on stage
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C214 Matched Pair Stereo Set

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Recording Microphones

  • MATCHED PAIR STEREO SET
  • For stereo recording of any acoustic instruments in studio and on stage
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C414 XLS Matched Pair Stereo Set

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Recording Microphones

  • MATCHED PAIR STEREO SET
  • For stereo recording of any acoustic instruments in studio and on stage
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WMS4500 Wireless Microphones

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Wireless Microphones REFERENCE WIRELESS MICROPHONE SYSTEM For large theatre, installed sound and tour sound applications
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PR4500 ENG Wireless Microphone

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Wireless Microphones

 

  • REFERENCE WIRELESS ENG/EFP SYSTEM
  • For ENG/EFP, event video and videography applications
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WMS470 Wireless Microphone

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Wireless Microphones PROFESSIONAL WIRELESS MICROPHONE SYSTEM For conference, medium theater and houses of worship applications
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WMS420 Wireless Microphone

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Wireless Microphones PROFESSIONAL WIRELESS MICROPHONE SYSTEM For live sound, presentations and installations
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DMS Tetrad Wireless Microphone

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Wireless Microphones

  • PROFESSIONAL FOUR CHANNEL DIGITAL WIRELESS SYSTEM
  • For Live Sound, Club Music, Conferences, Presentation, Seminars and Installations
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Perception Wireless Microphones

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Wireless Microphones HIGH-PERFORMANCE WIRELESS MICROPHONE SYSTEM For houses of worship, hotels, clubs and band applications
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Crown Cro137 PA Amplifiers

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professional amplifiers

crown cro137


sound products

 

features :


  • high performance, lightweight class-d amplifier – weighs less than 11 lbs.
  • integrated pureband™ crossover system ensures seamless transitions from low- to high-frequency drivers
  • integrated peakx™ limiters provide maximum output while protecting your speakers
  • xlr, 1/4", rca inputs ensure compatibility with any source
  • 1/4" inputs can be used as loop-thrus to distribute signal to additional amplifiers.

 

specifications :

 

xls drivecoreseries

sensitivity (for full rated power at 4 ohms)

1. 4 vrms

frequency response (at 1 watt, 20 hz - 20 khz)

+0db, -1db

signal-to-noise ratio

rated as dbr to full rated 8 ohm power output (a-weighted):
xls1000 > 97 db
xls1500, xls2000, xls2500 > 103db

damping factor (8 ohm): 10 hz to 400 hz

> 200

crosstalk (below rated 8ω power)

at 1 khz: > 85db
at 20khz: > 55db

input impedance (nominal)

20 kilohms balanced,
10 kilohms unbalanced

load impedance

2 to 8 ohms per channel in stereo
4 to 8 ohms in bridge mono

ac line voltage and frequency configurations
available (± 10%)

120 vac 60 hz
100 vac 50/60 hz
220 and 240 vac 50 hz

ventilation

flow-through ventilation from front to back

cooling

internal heat sinks with forced-air cooling for rapid, uniform heat dissipation

air volume requirements (per minute per unit)

80. 15 ft3 (2. 27 m3)

integrated processing

purebandtm crossover system
crossover filter: linkwitz-riley 24db per octave
crossover frequency range: 50 hz - 3 khz
crossover mode: crossover (ch1=lpf, ch2=hpf), lowpass (both channels lpf), highpass (both channels hpf), bridge (lpf or hpf).
peakxtm limiters: channels independent clip limiter designed to provide maximum output while protecting your loudspeakers

input/output

input connectors: xlr (one per channel), 1/4-inch (one per channel), and rca (one per channel). 1/4-inch connectors can be used as loop-thrus to ditribute signal to additional amplifiers.
output connectors: two 4-pole speakon® output connectors accept 2-pole or 4-pole speakon® connectors. The top speakon connector is wired for both channels so it can be used for bridgemono wiring or for stereo wiring of two wpeakers to a single spekon connector.
one pair of back-panel binding posts per channel; accepts banana plugs or bare wire. (european models do not accept banana plugs. )

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