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Architect and Engineer Specifications
50 Spring Street, Ramsey, NJ 07446 U.S.A.
201-934-8500 FAX: 201-934-9832 www.bogen.com
HDU250 - The microphone shall be a Bogen Model HDU250. It shall
be a cardioid, dynamic handheld microphone with a frequency
response of 50 Hz to 18 kHz and a 250-ohm impedance. The sensitiv-
ity shall be -72 dB (+/- 3dB) and the signal-to-noise ratio greater than
65 dB. It shall have a sliding-type on/off switch and a rubberized black
finish. The HDU250 shall have an XLR Male connector. Dimensions
shall be 7" D x 2" Dia. Weight shall be 1 lb.
HDU150 - The microphone shall be a Bogen Model HDU150. It shall
be a cardioid, dynamic handheld microphone with a frequency
response of 70 Hz to 15 kHz and a 500-ohm impedance. The sensitiv-
ity shall be -70 dB (+/- 3dB) and the signal-to-noise ratio greater than
65 dB. It shall have a sliding-type on/off switch and a rubberized black
finish. The HDU150 shall have an XLR Male connector. Dimensions
shall be 6-
1
/2" D x 1-
1
/2" Dia. Weight shall be 1 lb.
HDO100 - The microphone shall be a Bogen Model HDO100. It shall
be an omni-directional, dynamic handheld microphone with a frequen-
cy response of 70 Hz to 15 kHz and a 500-ohm impedance. The sen-
sitivity shall be -72 dB (+/- 3dB) and the signal-to-noise ratio greater
than 65 dB. It shall have a silent on/off lockable reed switch and a rub-
berized black finish. The HDO100 shall have an XLR Male connector.
Dimensions shall be 6-
1
/2" D x 1-
1
/2" Dia. Weight shall be 1 lb.
MBS1000A - The microphone shall be a Bogen Model MBS1000A. It
shall be a dynamic-type, cardioid, dual-impedance desktop micro-
phone. The frequency response shall be uniform from 45 Hz to
15 kHz. Impedance shall be selected via a switch on the underside of
the microphone base. Impedances shall be 500 ohms (matching 125
ohms to 1,000 ohms) or 50,000 ohms (matching 50k ohms or
greater). Voltage output shall be -72 dB at Lo-Z, and -52 dB at Hi-Z.
The microphone shall provide push-to-talk and lift-to-talk operation.
The push-to-talk bar shall include a locking mechanism. Provision shall
be included to defeat lift-to-talk operation. The microphone and relay
switching shall be accomplished with long life DPDT professional leaf
switches. The microphone circuit shall be wired normally open. The
microphone shall be in an ABS plastic case with a rubberized black fin-
ish and a die-cast base. It shall be supplied with 7 feet of 4-conductor
cable, 2 conductors individually shielded, and shall be permanently
wired into the microphone. Dimensions shall be 4-
3
/8" W x 9-
3
/8" H x
5-
7
/8" D. Weight shall be 1-
1
/4 lb.
DDU250 - The microphone shall be a Bogen Model DDU250. It shall
be a cardioid, dynamic desktop microphone with a frequency response
of 100 Hz to 12 kHz and a 500-ohm impedance. The sensitivity shall
be -76 dB (+/- 3dB) and the signal-to-noise ratio greater than 65 dB.
It shall have a push-to-lock/push-to-talk switch and a matte black
finish. It shall have a 10', 4-conductor, 2-shielded cable. Dimensions
shall be 4-
1
/4" W x 18-
1
/4" H x 6-
1
/4" D. Weight shall be 3-
1
/2 lb.
GCU250 - The microphone shall be a Bogen Model GCU250. It shall
be a cardioid, back electret condenser gooseneck microphone with a
frequency response of 50 Hz to 18 kHz and a 250-ohm impedance.
The sensitivity shall be -65 dB (+/- 3dB) and the signal-to-noise ratio
greater than 65 dB. Max SPL @ 1% THD shall be greater than 130 dB.
It shall have a non-glare black finish. The GCU250 shall have an XLR
male type connector. It requires an external 9V - 52V DC phantom
power source. Dimensions shall be 18-
1
/4" L x
3
/4" Dia. Weight shall be
4 ounces.
GDU150 - The microphone shall be a Bogen Model GDU150. It shall
be a cardioid, dynamic gooseneck microphone with a frequency
response of 100 Hz to 12 kHz and a 500-ohm impedance. The sensi-
tivity shall be -75 dB (+/- 3dB) and the signal-to-noise ratio greater
than 65 dB. It shall have a push-on/push-off talk switch mounted on its
base and a non-glare black finish. The GDU150 shall have an XLR Male
type connector. Dimensions shall be 17" L x 1-
1
/4" Dia. Weight shall be
1 lb.
MGN19 - The microphone shall be a Bogen Model MGN19 dynam-
ic-type, omni-directional microphone. Frequency response shall be
uniform from 50 Hz to 12 kHz, with a presence boost at 2 kHz for
natural, intelligible sound. Impedance shall be 400 ohms. A sealed
push-to-talk microswitch shall be mounted on the microphone hous-
ing. The sensitivity shall be -76 dB (+/- 3dB). The microphone shall be
furnished with a 19" chrome-plated flexible gooseneck and mounting
flange and seven feet of rugged synthetic-jacketed 4-conductor, 2-
shielded cable. The microphone shall have a black Cycolac® cap and
housing with chrome plated screen and shall measure 4-
5
/8" long with
a maximum diameter of 1-
3
/8". Removable set screws shall secure the
front cap to the microphone and the microphone to the gooseneck.
Dimensions shall be 23-
1
/2" L x 1-
1
/4" Dia. Weight shall be 1-
1
/4 lb.
SCU250 - The microphone shall be a Bogen Model SCU250. It shall
be a cardioid, back electret condenser boundary microphone with a
frequency response of 20 Hz to 18 kHz and a 250-ohm impedance.
The sensitivity shall be -58 dB (+/- 3dB) and the signal-to-noise ratio
greater than 65 dB. It shall have a matte black finish and will require an
external 9V - 52V DC phantom power source. It shall have a male XLR
connector. Dimensions shall be 2-
3
/4" W x
3
/4" H x 3-
1
/4" D. Weight shall
be 1 lb.
WCU250 - The microphone shall be a Bogen Model WCU250 hang-
ing microphone. It shall be a cardioid, back electret condenser micro-
phone with a frequency response of 50 Hz to 18 kHz and a 250-ohm
impedance. The sensitivity shall be -65 dB (+/- 3dB) and the signal-to-
noise ratio greater than 65 dB. It shall have a matte black finish and will
require an external 9V - 52V DC phantom power source with a con-
necting cable of 20'. It shall have a female mini-XLR connector with a
mini-XLR to standard XLR (male) adapter. Dimensions shall be 1-
1
/4"
D x
1
/2" Dia. Weight shall be 5 ounces.