Fostex P800K User manual
P800K P1000K
Thank you for purchasing P800K / P1000K. A light-weight cone paper and a high-loss rubber edge realize a bright and
clear mid-to-high range and reasonably damped low range reproduction. You can enjoy an excellent stereo image and
sound field achieved by a small-diameter speaker unit.
Main features
Banana pulp blended light-weight cone paper / High-loss
foamed rubber edge
Blending a banana pulp with two wooden pulps holding
different physicality realizes a sufficient stiffness and
high-loss. A high-loss foamed edge with an up-roll shape is
employed.
“Mechanical” 2-way center cap
The same material as the cone paper is employed on the
center cap for improving the sound unification. A mechanical
2-way structure which directly connects the center cap with
the voice coil bobbin extends a high range sound reproduction
further.
Faston 205 terminal
A Faston 205 type is used for the speaker input terminal.
Dimensions
79.5 + Terminal
(RED MARKING)
ø90
4 - ø5 hole
ø55
(47.4)
16.5
1.7
28
ø70
+ Terminal
(RED MARKING)
107
4 - ø5 hole
ø116
ø65
ø93.2
25.818
1.8
(48.2)
• P800K
• P1000K
Frequency Response
• P800K • P1000K
30
40
50
60
70
80
90
100
110
100 1k 10k
20 50(Hz) 200 500 2k 5k 20k 50k
(dB)
16
8
32
64
4
Impedance
30
40
50
60
70
80
90
100
110
100 1k 10k
20 50(Hz) 200 500 2k 5k 20k 50k
(dB)
16
8
32
64
4
Impedance
PRINTED IN CHINA SEPTEMBER 2012 562657
Specifications & Thiele/Small Parameters
Model
Size
Overall Diameter
Baffle Hole Diameter
Depth
Voice Coil Diameter
Cast / Stamped
Impedance
Reproduction Freq. Response
Sound Pressure Level
Rated Input
Music Power
Magnet Weight
Net Weight
Equivalent Diaghram Radius
Effective Cone Diameter
Surface Area of Cone
Nominal Impedance
Resonance Frequency
DC Resistance
Coil Inductance
Mechanical Q
Electromagnetic Q
Total Q
Equivalent Mass
BL Product (Factor Force)
Compliance Equivalent Volume
Voice Coil Overhang
Reference Efficiency n0
Mechanical Compliance of Suspension
Efficiency Bandwidth Product
a
D
Sd
Zn
Fs
Re
Le
Qms
Qes
Qts
Mms
BL
Vas
Xmax
Eff/n0
Cms
EBP
80
79.5
73
47.4
20
Stamped
8
fs-18
84.5
8
24
74
261
30
60
0.0028
8
115
7.2
0.037
3.79
1.334
0.99
2.2
2.98
1.043
0.5
0.117
0.873
86.2069
P800K
mm
mm
mm
mm
mm
ohm
kHz
dB/W (m)
W
W
g
g
mm
mm
m2
ohm
Hz
ohm
mH
g
Tesla/m
L
mm
%
m/N
3.2
3.2
2.9
2.0
0.8
0.163
0.575
in
in
in
in
in
lb
lb
in
in
in
in
in
lb
lb
100
107
94
48.2
20
Stamped
8
fs-16
88
12
36
120
405
40
80
0.005
8
82
6.8
0.04
4
0.6
0.53
3.1
4.29
4.84
0.35
0.414
1.241
136.667
P1000K
mm
mm
mm
mm
mm
ohm
kHz
dB/W (m)
W
W
g
g
mm
mm
m2
ohm
Hz
ohm
mH
g
Tesla/m
L
mm
%
m/N
4.0
4.3
3.8
2.0
0.8
0.265
0.893
This manual suits for next models
1
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