JBL L52 Classic User manual

L52 Classic 5.25in (135mm) 2-way Loudspeaker
Quick Start Guide
jbl.com/specialty-audio/
Overview
For more information on the set-up and operation of this
product refer to the product page on the jbl.com/specialty-
audio/ website. Should further assistance be required feel
free to contact customer support at the numbers below.
Inside the US and Canada: +1 888.691.4171
Outside the US and Canada: [phone]
Box Contents
2x L52 Classic Edition Loudspeakers
2x Quadrex Foam Grilles
1x Quick Start Guide (This Document)
Placement and Positioning
●Before deciding where to place your speakers, survey your room and think
about placement, using the illustration as a guide.
●Avoid placing the speakers near power amplifiers, heat registers or other objects
that generate large amounts of heat.
●Avoid placing speakers in humid or dusty locations.
●Avoid placing speakers in direct sunlight or other intense light.
●Refer to the illustration for distances from walls, between the speakers, and
angle to the listening position.
●The speakers should be raised so that the tweeter is approximately at ear level.
The JS-65 speaker stand (sold separately) can be used to achieve the proper
listening height.
●Angle the speakers towards the listening position closer to the listeners ears for
a stronger center image and away from the listening position further from the
listeners ears for a more spacious image.
●The L52 can also be wall mounted via included threaded inserts. Refer to Wall
Mounting for more details.
Specifications
Type: 2-way bookshelf loudspeaker
Low Frequency Driver: 5.25in (135mm) Pure Pulp cone woofer
High Frequency Driver: 0.75in (20mm) Titanium dome tweeter with waveguide
Recommended Amplifier
Power: 10 ~ 75W RMS
Impedance: 4 Ohms
Loudspeaker Sensitivity: 85dB (2.83V/1m)
Frequency Response: 47Hz ~ 24kHz (-6 dB)
Crossover Frequency: 2.8kHz
Finish:
●Natural Walnut veneer with Black, Orange, or Blue Quadrex
Foam Grille
●High Gloss Black with Black Quadrex Foam Grille
Dimensions (With Grille): 13in H x 7.74in W x 8.51in D (330.2 mm x 196.6 mm x 216.2
mm)
Controls: HF level control
Input Type: Gold-plated binding posts
Product Weight (Each): 11 lbs. (5.0 kg)
Shipping Weight: 30.4 lbs. (13.8 kg)
Shipping Units of Measure: Mirror-imaged stereo pair
Recommended Stand JBL JS-65 (Sold Separately)
Wall Bracket Spacing/
Threads:
M6 x 1.0 thread, 12 mm max screw length
Spacing 2.64in (67 mm) center-to-center
L52 Classic 5.25in (135mm) 2-way Loudspeaker Quick Start Guide | Rev 2.1 20221017 | Part No. 950-0620-001
©2022 Harman International | Features, Specifications, and Appearance subject to change without notice. Pg 1 of 2
20in
(51cm)
20in
(51cm)
Angle speaker to suit
listening preference.
See Positioning Bullet
Listening Position
6ft (1.8mm) to
8ft (2.4mm)
40° to 60°

Wiring and Connections
IMPORTANT! Wiring Precautions
●Ensure that the positive (+) and negative (-) bare wire or spades DO NOT touch when connected to the binding posts as this will short out the amplifier
channel.
●Ensure that the appropriate polarity is maintained from amplifier to speaker to ensure proper phase for both speakers.
1 2 3
Bare Wire
2 31
Spade Connector
1 2 3
Banana Plug
Controls and Adjustments
This speaker features a HF level control that can be used to adjust the HF
level independently from the level of the woofer. The default setting of 0dB
represents a flat balance between the woofer and tweeter, however in some
cases there may be a need to adjust the level of the tweeter.
●For rooms where the high frequencies sound bright, lower the relative HF
level by turning the knob counterclockwise.
●For rooms where the high frequencies sound dim, raise the relative HF
level by turning the knob clockwise.
Wall Mounting
The L52 contains threaded inserts on the rear to allow for the L52 to be wall
mounted. A mount is not available from Harman, but the spec below will allow
for properly using these threaded inserts.
Wall Bracket Specifications:
Size: M6 x 1.0 thread, 12 mm max screw length
Spacing 2.64in (67 mm) center-to-center
Minimum Weight 11 lbs. (5.0 kg)
67.0mm.
(2.64 in.)
64.9mm.
(2.56 in.)
112.74mm.
(4.44 in.)
218.23mm.
(8.59 in.)
L52 Classic 5.25in (135mm) 2-way Loudspeaker Quick Start Guide | Rev 2.1 20221017 | Part No. 950-0620-001 | Features, Specifications, and Appearance subject to change without notice.
Harman International Industries, Incorporated.
8500 Balboa Blvd, Northridge CA 91329 United States.
European Representative: Harman International Industries, Incorporated.
EMEA Liaison Office, Danzigerkade 16G, 1013 AP Amsterdam, The Netherlands.
UK Business Address: Ground Floor, Westside 2, London Road, Apsley, Hemel Hempstead, Hertfordshire, HP3 9TD, United Kingdom.
© 2022 Harman International Industries, Incorporated. All Rights Reserved.
JBL is a trademark of Harman International Industries, Incorporated registered in the United States and other countries.
Features, Specifications, and Appearance subject to change without notice.
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