Altec 1965 audio equipment

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906 0A Microphone Equalizers

Features:

Up to I2 db High- and Low-
Frequency Equalization

Down to -16 db High- and low-

Frequency Attenuation

Precision-Calibrated
in 2 db steps

Wide Range over
Entire Audio Spectrum

Vertical Slider Controls
for Greater Accuracy -
Easiest Reading

Compensation for Wide
Variations in Microphone/
Ambient Characteristics

Passive Circuit Elements -
No Power Required

Plug-In Connections
to Mounting Frame

May be Inserted Directly
in Audio line

Miniature Size -
Readily Installed

Quietness of Operation
long-Term Stability

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PROFESSIONAL RECORDING,
CONTROLS-PUBLIC ADDRESS AND SOUND
REINFORCEMENT SYSTEMS - MOTION PICTURES

Multi-channel recording allows the audio engineer to select the particular
microphone which provides an optimum response and pickup pattern for
each of a variety of soloists, ensembles or acoustic environments. This pro-
cedure of using different types of microphones for recording a single master,
however, may produce an uneven overall response in the finished product.
The Altec 9060A Microphone Equalizer is designed to correct the variations
in response which occur under these circumstances, and to compensate for
variations in apparent frequency response caused by changes in the micro-
phone-to-subiect distance, and for acoustical characteristics of the recording
area (indoor or outdoor, dead room or live room, etc.)

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BROADCAST AND REMOTE

In remote and on location broadcast and sound recording applications, the
continuously variable low and high frequency controls of the 9060A make
possible immediate attenuation of many ambient disturbances with minimal
effect on the program material. In high.quality sound reinforcement usage,
the 9060A is exceptionally valuable in reducing low-frequency signal pickup,
thereby minimizing acoustic feedback from this source.

The compact plug-in design and precision sliding lever controls facilitates
installation of the 9060A in virtually any type of fixed or mobile mixer con-
sole. The passive L/C/R bridged T network circuit requires no power supply
and introduces no distortion. The 9060A may be inserted directly into a 600
ohm transmission line at any point where the maximum/minimum input levels
are satisfied.

The positive operation, small size, extreme quietness of operation and wide
range make the Altec 9060A Microphone Equalizer the ideal choice for the
finest microphone compensation in all professional sound applications.

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