Equipment information
Kikusui Electronics Corporation 677A Level Meter
Manufacturer:
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Model:
677A
Date:
Category:
Group:
Description:
WOW and Flutter Meter
Information
Kikushi Model 677A Wow & Flutter Meter is designed to
measure variations in the running speed of various sound
record/playback devices such as audio tape recorders, video
tape recorders, disc record players, and cine sound
recorders. Measurement can be made also in conformity with
the JIS Standard, NAB Standard, and CCIR (DIN) Standard.
The measuring sensitivity is very high and covers a range of
0.005 - Vfo being divided into three sub-ranges. Measurement
can be made under the weighted mode as per the JIS, NAB, or
CCIR (DIN) Standards, under the state that wow and flutter
are mutually separated, and under the state that wow and
flutter are mutually superimposed.
The tape speed is digitally measured with a frequency
Counter and is indicated with a 4-digit readout. Due to the
above features, the 677A is very convenient for research,
development, manufacturing, inspection, and maintenance of
record/playback devices.
The 677A has output terminals for an Oscilloscope and a
recorder in order to facilitate analysis of wow and flutter
by displaying or recording the waveform on such instruments.
Manual Type:
User Manual
Pages:
31
Size:
1.33 Mbytes (1392014 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2017 09 02
MD5:
6c9b06ef493eaeb1f758fa02b503bef3
Downloads:
387
Information
1. GENERAL
... 1
2. SPECIFICATIONS
... 5
3. OPERATION PROCEDURE
... 6
3.1 EXPLANATION OF FRONT PANEL
... 6
3.2 EXPLANATION OF REAR PANEL
... 8
3.3 OPERATION PROCEDURE
... 10
3.4 MEASURING EXAMPLES
... 13
3.5 PRECAUTIONS
... 14
4. OPERATING PRINCIPLE
... * 16
5. MAINTENANCE
... 20
5.1 ACCESS TO INTERNAL COMPONENTS . ..
» ... 20
5.2 ADJUSTMENT AND CALIBRATION
... 22
5.3 WEIGHTED CURVES (JIS, NAB, AND CCIR), AND
DYNAMIC CHARACTERISTICS RECOMMENDED BY CCIR
... 27