Jbl dd 55000 everest service manual

Page 1

Technical Manual

. DD55000 Everest

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SCHEMATIC NDD 55000
SYSTEM COMPONENTS: MID RANGE DRIVER (Cont'd)
- Baffle Modification: No
L%V2;RE£UENCY DRWER' 23%? Exact Acoustic Replacement: Yes
Nom. Impedance: 8 Ohm HIGH FREQUENCY DRIVER: 2405H
Dynamic Test Input V: 10 Diaphragm Kit: D16R2405
Sweep Frequency Hz: 20-1200 Nom. Impedance: 16 Ohm
D.C. Resistance Ohms: 5.2 min/6.4 max Dynamic Test Input V: 7
Gap Gauge: .057" Sweep Frequency Hz: 1000-3000
Notes: D.C. Resistance Ohms: 5.7 min/6.7 max
If Not Serviceable, Replace With: Currently Available. Gap Gauge: .025"
Can Also be replaced with E145-a Notes: Test With Network

Visual Change:
Baffle Modification:
Exact Acoustic Replacement:

MID RANGE DRIVER:

Cone Kit:

Nom. Impedance:

Dynamic Test Input V:

Sweep Frequency Hz:

0.0. Resistance Ohms:

Gap Gauge:

Notes:

If Not Serviceable, Replace With:
Visual Change:

JBL Consumer Products, Inc.. 80 Crossways Park West. Woodbury, New York 11797

Yes
No
Yes

2425H
DBR2425

8 Ohm

2.85

550-1200

2.9 min/3.5 max
.031 "

2426H
No

If Not Serviceable, Replace With:
Visual Change:

Currently Available
N/A

Baffle Modification: N/A

Exact Acoustic Replacement: N/A
SYSTEM SPECIFICATIONS:
Ncm. Impedance: 8 ohm
Rec. Amp Power: 250 Watts Per Channel
Crossover Frequencies: 850 Hz, 7500 Hz

Sensitivity:
Enclosure Dim:

Weight:

Other parts may also be available. Check with JBL for details

100dB (1 Watt @ 1 Meter)
55-1/8" x 36" x 20" D
141cm x 92cm x 51cm
320Ibs.-145 kg.

10/92 REV A