JBL D315 User Manual

Technical Manual
D315 Decade Series
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
•Nominal Impedance 8 ohms
•Max Amp Power 250 watts
•Frequency Response 40 Hz - 20 kHz (-6dB)
•Sensitivity 96 dB (1 watt @ 1 meter)
•Crossover Frequency 3 kHz/12 kHz
SYSTEM COMPONENTS:
•Enclosure D315 (Not for Sale)
•Grille 334793-004
•Low Frequency 15” (381mm) Paper Cone
Transducer 334656-001
DC Resistance 6.5 ohms ±10%
•Mid Frequency 4” (101mm) Paper Cone
Transducer 334658-001
DC Resistance 3.3 ohms ±10%
•High Frequency 2” (51mm) Paper Cone
Transducer 334659-001
DC Resistance 3.3 ohms ±10%
•Crossover Network 334790-001
AURAL SWEEP TEST SPECIFICATIONS:
•System Aural Sweep Test 6.0V Input 40 Hz to 20 kHz
•L.F. Aural Sweep Test 5.0V Input 40 Hz to 4 kHz
•M.F. Aural Sweep Test 2.0V Input 2 kHz to 12 kHz
•H.F. Aural Sweep Test 2.0V Input 11 kHz to 20 kHz
PHYSICAL SPECIFICATIONS:
•Enclosure dimensions: 30⁷⁄₈” x 16¹⁄₄x 11¹⁄₂” (H x W x D)
784 x 412 x 292 mm
•Weight 35 lbs. (15.8kg) Each
WARRANTY:
• Refer to Warranty Statement packed with each product.
Owner’s Manual
334794-001
Warranty Card
331994-001
Survey Card
331384-001
OWNER’S
MANUAL
Outer Carton
334802-004
Foam Corners (8)
59658
Plastic Bag
PACKAGING
WIRING DIAGRAM
9-99
JBL Consumer Products, Inc. 250 Crossways Park Dr., Woodbury, New York 11797
D315 — Decade Series
Crossover Network
334790-001
High Frequency
Transducer
334659-001
Mid frequency
Transducer
334658-001
Low Frequency
Transducer
334656-001
20" GREEN
20" GREEN/BLK
16" WHITE
16" WHITE/BLK
19" YELLOW
19" YELLOW/BLK
L.F.
+IN
–IN
C1
1.5mfd 50V
C2
4.7mfd 50V
INPUT
+
–
M.F.
+
–
H.F.
–
+
250
205
250
110
187
110
D315SCHEMATIC

JBL D315 Specifications

General

Brand	JBL
Model	D315
Category	Speakers
Language	English

Summary

Acoustic and Electrical Specifications

Nominal Impedance

The nominal impedance of the loudspeaker system.

Max Amp Power

The maximum rated amplifier power handling capability.

Frequency Response

The range of frequencies the system reproduces, with a specified decibel tolerance.

Sensitivity

The sound pressure level produced by the system at a specified distance and input power.

Crossover Frequency

The frequencies at which the audio signal is divided between different speaker drivers.

System Components

Enclosure

Details of the speaker cabinet, including part number.

Low Frequency Transducer

Specifications for the woofer, including cone material and DC resistance.

Mid Frequency Transducer

Specifications for the midrange driver, including cone material and DC resistance.

High Frequency Transducer

Specifications for the tweeter, including cone material.

Aural Sweep Test Specifications

System Aural Sweep Test

Performance criteria for the entire system during aural sweep testing.

L.F. Aural Sweep Test

Performance criteria for the low-frequency driver during aural sweep testing.

M.F. Aural Sweep Test

Performance criteria for the mid-frequency driver during aural sweep testing.

H.F. Aural Sweep Test

Performance criteria for the high-frequency driver during aural sweep testing.

Physical Specifications

Enclosure Dimensions

The height, width, and depth of the speaker enclosure in inches and millimeters.

Weight

The weight of each speaker system in pounds and kilograms.

Packaging Details

Packaging Components

List of items included in the packaging, such as foam corners and manuals.

Wiring and Diagrams

Wiring Diagram

Illustrates the connections between drivers, crossover network, and input terminals.

D315 Schematic

Detailed electrical schematic showing crossover components and driver connections.

Exploded View and Parts

Exploded View Diagram

A visual breakdown of the speaker system components.

Component Part Numbers

Identifies specific parts like drivers, grilles, and fasteners with their part numbers.