JBL LOFT50 Manuel utilisateur

LOW-FREQUENCY

TRANSDUCER

SP650007

BLUE

GREEN

RED

BLUE

YELLOW

BLACK

–

BLACK

–

BLACK

–

BLACK

–

GREEN

BLACK

–

BLACK

–

BLACK

–

MIDRANGE

TRANSDUCER

SP040011

HIGH-FREQUENCY

TRANSDUCER

08020014

MIDRANGE

TRANSDUCER

SP040011

MIDRANGE

TRANSDUCER

SP040011

LOW-FREQUENCY

TRANSDUCER

SP650007

TERMINAL CUP

02120003

CROSSOVER

NETWORK

FP000004

Release Date 2012 Discontinued Date XXXX

Technical Manual

LOFT50

AURAL SWEEP TEST SPECIFICATIONS:

• System aurel-sweep test: 10.0V input 60Hz to 20kHz

• LF aural-sweep test: 8.0v input 70Hz to 500Hz

• MF aural-sweep test: 5.0v input 350kHz to 3kHz

• HF aural-sweep test: 2.83v input 3Kkz to 20kHz

PHYSICAL SPECIFICATIONS:

• Dimensions (W x H x D): 42-1/2" x 7-1/8" x 11-7/8"

1078mm x 180mm x 300mm

• Weight: 27.5 lb (12.5kg) each

WARRANTY:

• Refer to the warranty statement packed with the product.

The maximum recommended amplifier power rating will

ensure proper system headroom to allow for occasional

peaks. We do not recommend sustained operation at these

maximum power levels.

LOFT50

03/12

ACOUSTIC & ELECTRICAL SPECIFICATIONS

• Nominal impedance: 8 ohms

• Power Handling: 10-250 watts

• Frequency response: 37Hz-20kHz (-6dB)

• Sensitivity: 91dB (2.83V/1m)

• Crossover frequencies: 320Hz, 3.2kHz

SYSTEM COMPONENTS:

• Cabinet: loft50 MX000070

• Front Grille: loft50 HH110004

• Side Grille: loft50 HH110005

• Base: loft50 HH120001

• Low-frequency transducer: 6-1/2" (165mm) SP650007

DC resistance: 10.6 ohms ±10%

• Mid-frequency transducer: 4" (100mm) SP040011

DC resistance: 16 ohms ±10%

• High-frequency transducer: 1" (25mm) 08020014

DC resistance: 5.6 ohms ±10%

• Crossover network: FP000004

INPUT

LF2

BLUE 400mm

BLACK 400mm

BLACK 400mmBLACK 450mm

YELLOW 450mm

BLACK 700mm

BLACK 800mm

BLACK 900mm

BLACK 1050mm

LF1

MF2

MF3

MF1

LF2

GREEN 800mm

GREEN 1050mm

RED 900mm

MF2

GREEN 700mm

MF3

MF1

LF1

L1: 3.6mH

L3: 1.15mHC1: 47µf/100V

C2: 6.8µf/100V

C3: 3.9µF/100V

L4: 0.15mH

L2: 2.5mH

PTC/065A

R1: 3.3

/7W

LOFT50 WIRING DIAGRAM

LOFT50 SCHEMATIC

PACKAGING

1 HH110004 Front grille 1

2 70020149 Self-tapping screw 20

3 02340005 Trim ring 3

4 SP040011 Midrange 3

5 MX000070 Cabinet 1

6 08020014 Tweeter 1

7 HH110005 Side grille 2

8 02160013 Port tube 2

9 SP650007 Woofer 2

10 02340007 Trim ring 2

11 FP000004 Crossover 1

12 70020092 Self-tapping screw 4

13 02170003 Terminal cup 1

14 70020172 Self-tapping screw 8

15 HH120001 Base 1

16 07010207 M.screw 4

17 YX000058 JBL LOFT50 left speaker 1

18 YX000058 JBL LOFT50 right speaker 1

19 23020059 Top styroform cover 1

20 23040258 Middle EPE cover 2

21 23020060 Bottom styroform cover 2

22 23040262 EPE bag 2

23 23030273 Carton 1

24 22010156 Owner’s manual 1

25 20620001 Bumper 4

26 22050002 Dessicant 4

Technical Manual

LOFT50

EXPLODED VIEW

HARMAN

International Industries, Incorporated.

8500 Balboa Blvd., Northridge, CA 91329 USA

in the United States and/or other countries.

Features, specifications and appearances are subject to change without notice.

Part No. 950-XXXX-001 Rev. A

03/12

www.jbl.com

ITEM

NO. PART NO. DESCRIPTION QTY.

ITEM

NO. PART NO. DESCRIPTION QTY.

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