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Unidirectional Condenser Microphone
Your Optimus Unidirectional Condenser
Microphone delivers acoustic clarity and
accuracy. The unidirectional pickup pattern controls feedback, reduces pickup
of undesired si
creased sensitivity. Your microphone is
intended for use in hi
and sound-reinforcement applications
where wide, smooth frequency response
is needed. Its features include:
Flat Frequency Response
faithful sound pickup.
Recessed On/Off Switch
vent you from accidentally turnin
microphone on or off.
Unidirectional Polar Pickup Pattern
reduces feedback and pickup of unwanted si
nals.
Balanced Low-Impedance Output
compatible with professional or amateur
equipment with a phone jack. (You need
an adapter, available from your local RadioShack store, to use the microphone
with equipment that has an XLR input.)
Wire-Mesh Windscreen —
wind noise and breath pops. To further
reduce wind/breathin
ditional windscreen, suc h as Cat. No. 3 3-
378.
Included Accessories
nals and provides in-
h-quality r ecordin
— offers
— helps pre-
your
—
—
reduces
noise, use an ad-
INSTALLING A BATTERY
You need one AA battery (not supplied)
to power your microphone. We recommend an alkaline battery, such as Cat.
No. 23-552.
1. Unscrew the microphone’s lower
case.
2. Install the AA battery accordin
the polarity symbols (+ and –)
marked inside the battery compartment.
USING THE
MICROPHONE
Cat. No.
33-3017
to
16-Foot Cable with 3-Pin (XLR) Connector
— for easy connection to professional-quality public address systems
with unbalanced mic hookups.
Microphone Holder
microphone with a stand.
Optimus is a registered trademark used by Tandy Corporation.
To turn on the microphone, slide the microphone’s switch to
To temporarily disable the microphone
— lets you use the
©
1996 Tandy Corporation.
RadioShack is a trademark used by Tandy Corporation.
All Rights Reserved.
(without hearin
off), slide the switch to
Slide the switch to
phone off when you are not usin
a “pop” when you turn it
ON
.
STBY
(standby).
OFF
to turn the micro-
it.

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SPECIFICA TIONS
Microphone Type ................................................................................ Electret Condenser
Fre
uency Response................................................................................70 to 15,000 Hz
Directivit
Impedance ....................................................................................................... 600 Ohms
Sensitivit
Si
Battery Type.............................................................................................1.5 Volt AA Type
Current Drain............................................................................................Less Than 1 mA
Batter
Specifications are t
chan
FREQUENCY RESPONSE POLAR PICKUP PATTERN
.......................................................................................................Unidirectional
......................................................................................................... –66 ±3 dB
nal-to-Noise Ratio ....................................................................... 40 dB (at 94 dB SPL
Life (with alkaline battery)........ ...................... ............ ...... More Than 1,000 Hours
pical; individual units might vary. Specifications are subject to
e and improvement without notice.
5A6 Printed in th e Philippines
RadioShack
A Division of Tandy Corporation
Fort Worth, Texas 76102

33-301 7.fm Page 3 Tuesday, Augus t 10, 1999 11:36 AM
5A6 Printed in th e Philippines
RadioShack
A Division of Tandy Corporation
Fort Worth, Texas 76102

33-301 7.fm Page 4 Tuesday, Augus t 10, 1999 11:36 AM
RadioShack Limited Warranty
This product is warranted against defects for 90 days from date of purchase from
RadioShack company-owned stores and authorized RadioShack franchisees and dealers. Within this period, we will repair it without charge for parts and labor. Simply
our RadioSh ac k sale s sl ip
ranty does not cover transportation costs. Nor does it cover a product subjected to misuse or accidental damage.
EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES
AND ANY IMPLIED WARRANTIES ARE L IMITED IN D URATION TO THE DURATION
OF THE WRITTEN LIMITED WARRANTIES CONTAINED HEREIN. Some states do
not permit limitation or exclusion of implied warranties; therefore, the aforesaid limitation(s) or exclusion(s) may not apply to the purchaser.
This warranty gives you specific legal rights and you may also have oth er rights which vary from
state to state.
as proof of purchase date to any RadioShack store. War-
We Service What We Sell
brin
10/95
RadioShack
A Division of Tandy Corporation
Fort Worth, Texas 76102
5A6 Printed in th e Philippines