Instructions/Installing the KF850z
NL8 and AP6 Upgrade Kits
The KF850z AP6 Upgrade Kit P/N 0006241 and the KF850z NL8 Upgrade Kit P/N 0006242 are available for the
KF850e loudspeaker. These two kits are the same but for the Electrical Assemblies.
Warning: Installation should only be done by an experienced technician. Improper installation may result
in damage to the equipment, injury or death.
1. Inventory the kit against the following bill of materials insuring the kit is complete.
EAW P/N
804116
102021
0005848
0008726
102165
105005
105004
0006004
102016
105007
105008
102017
804097
0006008
0006005
0006007
105033
0006011
102087
102048
102102
0006239
or
Qty
1
Description
Driver-Cone (LC-1536)
4
Screw 1/4-20 X 1-1/2 LG SHCS Blk
Horn/URE/H4532
1
1
Driver/Compression [DN20/3004-8]
Screw/M6 X 14mm LG HHCS
Washer/Flat 1/4
4
4
8
Washer/Lock 1/4
2
Bracket/Horn [KF850z Upgrade Kit]
Screw 1/4-20 X 1 LG PH PHMS Blk
Washer/Flat 1/4 Blk
6
10
10
4
Washer/Lock 1/4 Blk
Screw 1/4-20 X1 SHCS Blk
Driver-Cone [LC-1075]
1
1
Assembly/Phase Plug/Housing
Ring/Aperture/Wood/10” Mid [KF850z]
Screw 1/4-20 X 4-1/2 LG SHCS Blk
Washer/Flat/M6
Instruction/Kit/KF850z/Upgrade
Screw #8 X 1 LG PH PHSMS
Screw #10 X 16 X 3/4 PH PHSMS
Screw #8 X 5/8 PH PHSMS Blk
Electrical Assembly KF850z [NL8]
1
4
4
1
4
8
23
1
0006240
1
Electrical Assembly KF850z [AP6]
2. Overview
KF850z Kit installation requires the technician to remove and replace all transducer components. The HF
horn assembly is accessed from the front and the 15” woofer, 10” mid range, and electrical assembly from
the back.
To do this the enclosure will first be rested on its back, the grille
removed, and the HF horn assembly disconnected, removed, and dis-
assembled. Its rear bracket will be re-installed into the new KF850z
REMOVE AND DISCARD
23 #8 X 5/8 LG PHILLIPS
HEAD SHEET METAL SCREWS
HF horn assembly, which will then be installed into the enclosure.
After this is complete the enclosure should be repositioned onto its
front, and the 2 access lids, polyfill, input and crossover removed, the
new crossover installed, and its leads routed to the appropriate cham-
bers. Then the new 15” woofer and the new mid assembly will be
installed. The old polyfill should be restapled into both chambers and
the new electrical assembly installed.
Finally the enclosure will be stood upright, HF leads connected, test-
ed for continuity, and access lids and grille reinstalled.
10X GRILL
FOAM RETAINERS
(DO NOT REMOVE)
3. Instructions: Tip the enclosure on its back and remove the 23
Phillips head screws that mount the grille to the enclosure.
9. Reposition the Enclosure on its face.
With the grille still removed,
10X 1/4-20 X 1 HEX HEAD CAP
SCREWS & FLAT WASHERS
(DO NOT DISCARD HARDWARE)
8X 1/4-20 X 1 HEX HEAD CAP
SCREWS & FLAT WASHERS
(DO NOT DISCARD HARDWARE)
a. Reposition the enclosure front down.
b. Remove the 18 hex head screws and flat
washers that attach the two lids.
c. Lift the the two lids from the enclosure.
Retain the hardware and lids.
d. Remove all the polyfill fiber that surounds
the 10” and 15” drivers. Retain the polyfill.
e. Disconnect the 2 electrical leads from both
drivers.
LARGE LID
SMALL LID
4X 1/4-20 X 1 LG SOCKET
HEAD CAP SCREWS
4X 1/4-20 X 1 LG
SOCKET HEAD
CAP SCREWS
(DISCARD
(DISCARD HARDWARE)
15 INCH WOOFER
(BLUE AND BLACK
LEADS DISCONNECTED)
HARDWARE)
10 INCH MID DRIVER
(YELLOW AND BLACK
LEADS DISCONNECTED)
f. Remove the 8 socket head screws that hold
both drivers into the enclosure and lift the
drivers away. Do not retain hardware or
drivers.
REMOVED INPUT
(EIGHT #8 X PHILLIPS HEAD
SCREWS NOT SHOWN-
DISCARD HARDWARE)
g. Remove and discard the 8 input Phillips
head mounting screws and dangle the input to the side of the enclosure as shown.
h. Free the electrical leads that pass thru partitions inside the enclosure.
i. Remove and discard the 4 crossover mounting screws and lift the electrical assembly from the enclosure.
BLUE AND BLACK LEADS FROM
10. Installing the new Electrical Assembly
INPUT THRU PARTITION
TO 15 INCH WOOFER
a. Attach the new crossover as shown
4X #8 X 1 LG PHILLIPS
with the 4 supplied #8 x 1” long
Phillips head screws.
HEAD SCREWS
b. Insert the blue and black leads from
RED AND BLACK LEADS FROM
the input board thru the partition
into the 15” woofer chamber.
CROSSOVER THRU PARTITION
& THRU RECTANGULAR CUTOUT
TO HIGH FREQUENCY ASSEMBLY
c. Insert the red and black leads from
the crossover board, thru the parti-
tion, down thru the rectangular hole
ELECTRICAL ASS'Y
INCLUDES THE
CROSSOVER BOARD
into the HF chamber.
AND INPUT
(AP6 OR NL8)
d. Seal the hole in the partition with
user supplied putty or silicone.
YELLOW AND BLACK
LEADS FROM INPUT
TO 10 INCH MID DRIVER
11. Installing the new Mid Driver and Woofer
a. Place the wooden aperture and new phase
4X 1/4-20 X 1-1/2 LG SOCKET
HEAD CAP SCREWS
INPUT OPENING MAY BE USED
TO ACCESS 10 INCH WOOFER
MOUNTING SCREWS
4X 1/4-20 X 4-1/2 LG
SOCKET HEAD
CAP SCREWS,
LOCK WASHERS
& M6 FLAT
plug into the mid chamber.
b. Position the new 10” driver onto the phase
plug.
c. Insert the 4 supplied 4-1/2 lg screws, lock
washers and M6 flat washers thru the
driver, phase plug and aperture into the
threaded holes in the baffle and tighten.
d. Install the input with the 8 supplied #10
Phillips head screws.
BLK P/N 102021
WASHERS
NEW 10 INCH MID
DRIVER P/N 804097
NEW 15 INCH
WOOFER P/N 804016
(CONNECT BLUE
PHASE PLUG ASS'Y
P/N 0006008
AND BLACK LEADS )
WOODEN APERTURE
RING P/N 0006005
e. Connect the yellow and black leads from
the input board to the 10” mid driver. The
black lead to the black terminal.
f. Attach the new 15” woofer using 4 supplied
1/4-20 x 1-1/2 long screws.
NEW INPUT HARD WIRED
TO INSTALLED CROSS OVER
g. Connect the blue and black leads from
the input board to the 15” woofer. The black
lead to the black terminal.
h. Restaple the polyfill into both chambers.
12. Finishing the Kit Installation
a. Stand the enclosure upright.
b. Connect the red and black leads to the high frequency driver. The black lead to the black terminal.
c. Continuity check the low frequency, mid and high frequency drivers.
g. Re-attach the two access lids.
h. Re-attach the grille.
ATTACH RED AND BLACK LEADS
FROM NEW CROSSOVER BOARD
RE-ATTACH BOTH ACCESS
LIDS WITH THE 18 OLD
1/4-20 X 1 LG HEX HEAD
CAP SCREWS AND
FLAT WASHERS
RE-ATTACH GRILLE AND GRILLE FOAM
WITH THE 23 SUPPLIED #8 X 5/8 LG
PHILLIPS HEAD SHEET METAL SCREWS
If you have questions about the KF850z kit installation please contact the EAW Application Support Group:
Tel
Tel
Fax
800-992-5013 (USA only)
508-234-6158
508-234-8251
E-mail [email protected]
Thank you for purchasing
EAW products
T h e L a w s o f P h y s i c s
|
T h e A r t o f L i s t e n i n g
fax 508 234 8251
One Main Street, Whitinsville, MA 01588
tel 800 992 5013 / 508 234 6158
web www.eaw.com
EAW P/N 0006011 (A) 6NOV03 EAW is the worldwide technological and market leader in the design and manufacture of high-performance, professional loudspeaker systems.
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