Specifications
Max. SPL
(1 k
load)
Ω
150dB SPL (THD
0.5% 1kHz)
≦
Polarity
3 pin male XLR type
Connector
Finish
Dimensions
Net weight
Φ
54.0mm(2.13in.) X 180.0mm(7.09in.) (Figure 3)
Dynamic microphone
Type
Element
Polar pattern
50 to 16,000 Hz (Figure 2)
Frequency response
Sensitivity
(at 1,000 Hz Open Circuit Voltage)
-54dBV/Pa (2.0mV/Pa)
1Pa=94dB SPL
300
Ω
Rated impedance
Unidirectional (Super Cardioid), rotationally symmetrical about
microphone axis, uniform with frequency. (Figure 1)
TOP248/248S
TYPICAL POLAR PATTERN
TOP258
TYPICAL POLAR PATTERN
(Figure 1)
TOP258
TYPICAL FREQUENCY RESPONSE
(Figure2)
Description
The TOP248/248S/258 microphones are designed for professional vocal
and instrument live sound applications. These dynamic super cardioid
microphones incorporating neodymium magnets and aluminum voice
coil on the double membrane diaphragm and output transformer, that
provides higher output sensitivity, flat and wide frequency response. The
result is clean and detail sound texture demanded by the working
professionals.
The grill windscreen are made of strengthen metal mesh, added with zinc
alloy shaft and gold plated XLR 3 pin connectors provides sturdy
performance for heavy stage works.
TOP
248 258
User Guide
Dynamic Microphone
G
O
A
N
G
-
F
A
N
N
C
O
.
,
L
T
D
.
J
U
S
T
P
L
A
Y
I
T
2007, SUPERLUX I
LB1TOP24801EN (Rev. 1)
nc.
Nd magnet and transformer output circuit
Black rubber finish
TOP248:
340g(11.58 oz.)
TOP248S: 340g(11.58 oz.)
TOP258:
345g(12.17 oz.)
Pin 2 output positive voltage (related to pin 3) when diaphragm
receives positive pressure. (Diaphragm moving inward)
2000 Hz
4000 Hz
8000 Hz
250 Hz
500 Hz
1000 Hz
2000 Hz
4000 Hz
8000 Hz
250 Hz
500 Hz
1000 Hz
Frequency Response
FREQUENCY IN Hz
RELATIVE
RESPONSE
IN
d
B
dB
10
-10
-20
20
50
100
200
500
1000
2000
5000
10000
20000 Hz
0
dB
10
-10
-20
20
50
100
200
500
1000
2000
5000
10000
20000 Hz
0
25mm
50mm
0.6M
3mm
Frequency Response
FREQUENCY IN Hz
TOP248/248S
Features
·
·
TOP248 ball grill windscreen are welcome by most signers.
TOP258 flat and smaller grill windscreen allows closer pickup for
instruments or for signer preference.
Dimensions(Figure 3)
180.0mm
(7.09 in.)
(7.09 in.)
OFF
54.0mm
(2.13 in.)
(2.13 in.)
52.5mm
(2.07 in.)
(2.07 in.)
25.0mm
(0.98 in.)
(0.98 in.)
25.0mm
(0.98 in.)
(0.98 in.)
180.0mm
(7.09 in.)
(7.09 in.)
52.5mm
(2.07 in.)
(2.07 in.)
54.0mm
(2.13 in.)
(2.13 in.)
TOP258
TOP248 on/off switch not included
TOP248S
