LOFT40 - JBL
LOFT40 - JBL
LOFT40 - JBL
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Technical Manual<br />
<strong>LOFT40</strong><br />
ACOUSTIC & ELECTRICAL SPECIFICATIONS:<br />
• Nominal impedance: 8 ohms<br />
• Power Handling:<br />
10-125 watts<br />
• Frequency response: 55Hz-20KHz (-6dB)<br />
• Sensitivity:<br />
90dB (2.83V/1m)<br />
• Crossover frequencies: 5kHz<br />
AURAL SWEEP TEST SPECIFICATIONS:<br />
• System aurel-sweep test: 8.0V input 80Hz to 20KHz<br />
• LF aural-sweep test: 6.0v input 90Hz to 4KHz<br />
• HF aural-sweep test: 2.83v input 3KHz to 20KHz<br />
SYSTEM COMPONENTS:<br />
• Cabinet:<br />
loft40 MX000068<br />
• Grille:<br />
loft40 HH110001<br />
• Low-frequency transducer: 5-1/4" (130mm) SP050021<br />
DC resistance: 5.6 ohms ±10%<br />
• High-frequency transducer: 1" (25mm) 08020013<br />
DC resistance: 5.6 ohms ±10%<br />
• Crossover network: FP000003<br />
PHYSICAL SPECIFICATIONS:<br />
• Dimensions (W x H x D): 10" x 6-1/2" x 7-1/2"<br />
252mm x 156mm x 191mm<br />
• Weight:<br />
5.3 lb (2.4kg) each<br />
WARRANTY:<br />
• Refer to the warranty statement packed with the product.<br />
* The maximum recommended amplifier power rating will<br />
ensure proper system headroom to allow for occasional<br />
peaks. We do not recommend sustained operation at these<br />
maximum power levels.<br />
PACKAGING<br />
<strong>LOFT40</strong> WIRING DIAGRAM<br />
CROSSOVER<br />
NETWORK<br />
FP000003<br />
RED +<br />
BLACK –<br />
HIGH-FREQUENCY<br />
TRANSDUCER<br />
08020013<br />
BLUE +<br />
BLACK –<br />
LOW-FREQUENCY<br />
TRANSDUCER<br />
SP050021<br />
YELLOW + BLACK –<br />
TERMINAL CUP<br />
02170003<br />
<strong>LOFT40</strong> SCHEMATIC<br />
BLACK 400mm<br />
PTC/065A R1: 4.7 /7W<br />
C1: 3.3µF/100V<br />
L1: 0.15mH<br />
RED 400mm<br />
HF<br />
BLACK 70mm<br />
BLACK 300mm<br />
INPUT<br />
YELLOW 70mm<br />
L2: 0.4mH<br />
C2: 6.8µF/100V<br />
BLUE 300mm<br />
LF<br />
<strong>LOFT40</strong><br />
Release Date 2012<br />
Discontinued Date XXXX<br />
03/12
Technical Manual<br />
<strong>LOFT40</strong><br />
EXPLODED VIEW<br />
ITEM<br />
NO. PART NO. DESCRIPTION QTY.<br />
ITEM<br />
NO. PART NO. DESCRIPTION QTY.<br />
1 HH110001 Grille 1<br />
2 70020149 Self-tapping screw 4<br />
3 70020172 Self-tapping screw 8<br />
4 02340006 Trim ring 1<br />
5 SP050021 Woofer 1<br />
6 08020013 Tweeter 1<br />
7 02160019 Port tube 1<br />
8 02360002 Bracket 1<br />
9 70020051 Self-tapping screw 2<br />
10 FP000003 Crossover 1<br />
11 02170003 Terminal cup 1<br />
12 MX000068 Cabinet 1<br />
13 YX000057 <strong>JBL</strong> <strong>LOFT40</strong> speakers 2<br />
14 23040261 EPE bag 2<br />
15 23020058 Top & Bottom styrofoam cover 2<br />
16 23030272 Carton 1<br />
17 03060360 Bumper 8<br />
18 22010156 Manual 1<br />
19 22050002 Dessicant 2<br />
HARMAN International Industries, Incorporated<br />
8500 Balboa Blvd., Northridge, CA 91329 USA<br />
© 2012 HARMAN International Industries, Incorporated. All rights reserved. <strong>JBL</strong> is a trademark of HARMAN International Industries, Incorporated, registered<br />
in the United States and/or other countries.<br />
<strong>LOFT40</strong><br />
Features, specifications and appearances are subject to change without notice.<br />
Part No. 950-XXXX-001 Rev. A<br />
03/12<br />
www.jbl.com
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