FE163EnS_manual_omote_e T 15 Fostex FE163En S

User Manual: T-15

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Dimensions / Specifications / Frequency Response
8-ø11 counterbored hole
8-ø6 hole

ø174

Specifications
Type. . . . . . . . . . . . . . . . . . . . . . . .
Impedance. . . . . . . . . . . . . . . . . . .
Lowest resonance frequency (f0). .
Frequency response. . . . . . . . . . . .
Output sound pressure level. . . . . .
Input (Music). . . . . . . . . . . . . . . . . .
m 0. . . . . . . . . . . . . . . . . . . . . . . . . .
Q0 . . . . . . . . . . . . . . . . . . . . . . . . . .
Equivalent diaphragm radius. . . . .
Magnet weight. . . . . . . . . . . . . . . .
Net weight. . . . . . . . . . . . . . . . . . . .
Baffle hole diameter. . . . . . . . . . . .

Owner’s Manual
16 cm cone type full range
8Ω
56 Hz
f0 ~ 24 kHz
93 dB/W(1m)
Accessories
80 W
7.0 g
- Wood screws x 8 pcs.
0.23
- Flat washers x 8 pcs.
6.5 cm
- Packing x 1 pc.
1,100 g
- OFC internal wiring cable with
3.15 kg
#205 Faston terminal x 2 pcs.
ø151 mm

Frequency Response

41.4
73.4
(86.2)

Impedance characteristic

32

8 18 6

11

ø190
ø146

+ terminal (RED MARKING)

ø145

CAUTION

RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK).
NO USER - SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

WARNING:

To reduce the risk of fire or electric shock, do not expose apparatus
to rain or moisture.

1.
2.
3.
4.
5.
6.
7.
8.
9.

10.
11.
12.

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of
uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk
of electric shock to persons.
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in the
literature accompanying the appliance.

Avertissement:

pour réduire le risque d’incendie ou de choc électrique, ne pas exposer
cet appareil sous la pluie et l’humidité.

IMPORTANT SAFETY INSTRUCTIONS

Read these instructions.
Keep these instructions.
Heed all warnings.
Follow all Instructions.
Do not use this apparatus near water.
Clean only with dry cloth.
Do not block any ventilation openings. Install in accordance with
the manufacturer’s instructions.
Do not install near any heat sources such as radiators, heat
registers, stoves, or other apparatus (including amplifiers) that
produce heat.
Do not defeat the safety purpose of the polarized or grounding type plug. A polarized plug has two blades with one wider than the
other. A grounding type plug has two blades and a third grounding
prong. The wide blade or the third prong are provided for your
safety. If the provided plug does not fit into your outlet, consult an
electrician for replacement of the obsolete outlet.
Protect the power cord from being walked on or pinched particularly
at plugs, convenience receptacles, and the point where they exit
from the apparatus.
Only use attachments/accessories specified by the manufacturer.
Use only with the cart, stand, tripod, bracket, or
table specified by the manufacturer, or sold with
the apparatus. When a cart is used, use caution
when moving the cart/apparatus combination to
avoid injury from tip-over.

13. Unplug this apparatus during lightning storms or when unused for
long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is
required when the apparatus has been damaged in any way, such
as power-supply cord or plug is damaged, liquid has been spilled or
objects have fallen into the apparatus, the apparatus has been
exposed to rain or moisture, does not operate normally, or has
been dropped.
15. The apparatus shall be used in an open area.
Cet appareil doit être utilisé dans un endroit a aire ouverte.
16. Apparatus shall not be exposed to dripping or splashing and that no
objects filled with liquids, such as vases, shall be placed on apparatus.
L’appareil ne doit pas êclaboussures et aucun objet ne contenant
de liquide, tel qu’un vase, ne doit être placé sur lobjet.
17. Mains plug is used as disconnect device. It shall remain readily
operable and should not be obstructed during intended use. To
completely disconnect the apparatus from supply mains, the mains
plug of the apparatus shall be disconnected from the mains socket
outlet completely.
La prise du secteur et utilisé pou déconnecter le système. La prise
du secteur ne doit pas être obstruée ou doit être facilement accessible pendant son utilisation. Pour être complètement déconnecté
de l’alimentation d’entrée, la prise doit être débranchée du secteur.

PRINTED IN JAPAN NOVEMBER 2011

546022

FE163En-S is a direct line from FE163 and is an over-damping speaker unit that has been developed based on all the skills that
Fostex cultivated in the past. Retaining the FE series' middle-high range bright and forceful sound characteristics, a fulfilled
low-mid range and a smooth frequency response up to a higher range are realized. A light-weight and easy-to-drive diaphragm
is driven by a powerful magnetic circuit. This allows to realize a linear response from low to high input level, a superb acoustic
field position and fine as well as powerful high-definition sound reproduction.

Main Features
• Corrugation type light-weight fiber edge
While steadily holding the ES cone paper, a corrugation type fiber edge is employed to realize a higher compliance and to improve the
linearity. On FE163En-S, by changing the shape of edge inner/outer circumstances and peaks/troughs intermediate part, an edgespecific resonance has been diverged and lightened for a better response from a low to high input level. Also a thick low-mid sound
even with an over-dampling characteristic as well as a clear and flat mid-high frequency response have been achieved.
• Three-point adhesion / pocket-neck damper
A three-point adhesion which binds the cone paper, spider and voice coil bobbin at the same line is employed to enhance the strength
of the inside rim of the cone paper for stable high frequency characteristics. Employing a pocket-neck damper which puts a pocket
shape at the damper neck section allows a three-point adhesion even with the use of a junction cable to the voice coil and reduces a
transmission loss from the voice coil to the input terminal.
• Low-distortion large ferrite magnetic circuit
A 145 mm diameter large ferrite magnet is employed for the magnetic circuit to ensure a substantial magnetic flux density. A nickel
plating process is applied onto the magnetic circuit metal part surface finishing. With a placement of copper ring to the inner circumstance of the magnet, a current distortion is lessened to realize a low distortion of the drive system.
• Highly-rigid aluminum die-cast frame
A high-rigid aluminum die-cast frame which securely holds a low-distortion large magnetic circuit and does not transmit an unnecessary vibration to the cone paper is employed.
• Gold-coated 205 Faston receptacle terminal / High definition OFC (Oxygen Free Copper) interconnection material
Less junction-loss gold-coated Faston receptacle terminals are employed to avoid a sound degradation as much as possible. Employing
high definition OFC cables lessen a transmission loss from the speaker input terminals to the speaker unit.

FE163En-S Applications
A back loaded horn type enclosure which fully maximizes the FE163En-S's over-damping characteristic has been designed. In order to
flatten the low frequency response and to realize a massive but yet speedy low frequency reproduction, the horn opening was brought
closer to the speaker unit (CW horn composition, fc = 21 Hz, horn length: 215 cm).
Using a T96A-EX2 as a super tweeter is recommended. Choose a capacitor value from 0.33 to 0.68 uF depending on your preferences.
The connection should be reversed phase. You can also choose either the baffle design 1 or 2. FE163En-S is only mounted on the baffle
board in the design 1. T96A-EX2 should be placed on top of the top board and 4 mm forward from the front baffle. In the design 2,
both FE163En-S and T96A-EX are mounted on the baffle board. You can place the baffle board up-side-down to adjust the tweeter
height depending on your listening position. For the network of baffle 2, C: 0.33 uF and L: 0.18 mH (-12 dB/oct) with reversed phase
connection are recommended.
Assemble the enclosure by following the assembly sequence described in this manual. Tips are as follow. Glue the top panel, bottom
and rear panel section to one side of the side panel. Next, glue the block D and then the other side of side panel. This allows a more
precise as well as easier assembly. Remember that a reinforcing board No.2 is used only when the baffle design 1 is selected. As an
acoustic material, the one made of wool should be used in the air chamber and the one made of felt should be put on the bottom plate
No. 4.
Enclosure designed value
Air chamber
VB=6.0 liter
Throat area
S0=96 cm2
Opening area
S=536 cm2
Horn length
L=215 cm
fc: 21 Hz (m=0.008)
Board cutting drawing (for 2 pcs.)

(Cut 2 pcs.)

Material
Lime tree plywood, 910 x 1,820 mm, t: 15 mm. . . . 4 pcs.
Terminal: T150B. . . . . . . . . . . . . . . . . . . . . . . . . . . 2 pcs.
Acoustic material: Felt, wool. . . . . . . . . . . . . . . . . . Moderate amount

Frequency response
: FE163En-S+T96A-EX2 (C=0.33 µF, reversed phase connection)
: FE163En-S only (Baffle 1 is used.)

A: (10+25+25+8)+(1+2+9+3) Baffle 1
+(1+9+3)
Baffle 2
B: (11+12+26+26)+(7+27+27)
C: (5+19)+(4+28+28)
D: (13+14)+(15+16+17+18)
+(20+21+22+23+24)
E: 6+A+C+B
F: E+D
G: F+6
Baffle hole drilling size

Impedance characteristic

Baffle 1

: FE163En-S+T96A-EX2 (C=0.33µF, L=0.18mH, reversed phase connection)
(Baffle 2 is used. FE163En-S placed on top of T96A-EX2)

Baffle 2
Board dimensions chart (for 1 pc.)
Description
Qty.
Baffle 1/2
220 x 335 1
Baffle reinforce (180) x 35 1
Top board
220 x 415 1
Bottom board
220 x 415 1
Lower front
220 x 356 1
Side board
445 x 950 2
Back board
220 x 950 1
Back cavity
220 x 252 1
1
Bottom cavity
220 x 90
Load 1
220 x 270 1
Load 2
220 x 239 1
1
Load 3
220 x 111
Load 4
220 x 291 1
Load 5
220 x 144 1
Load 6
220 x 142 1
Load 7
220 x 242 1
Load 8
220 x 401 1
1
Load 9
220 x 80
Load 10
220 x 300 1
Load 11
220 x 126 1
1
Load 12
220 x 95
1
Load 13
220 x 72
1
Load 14
220 x 53
1
Load 15
220 x 37
2
Reinforce 1
53 x 270
2
Reinforce 2
35 x 224
2
Reinforce 3
35 x 680
2
Reinforce 4
35 x 415

Used when baffle 1 is selected.

Impedance characteristic

Enclosure assembling drawing

445
2-ø14 hole



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