Technics RS-646DS-D

(3) Attenuator
a. Input impedance: 6002 unbalanced
b. Maximum attenuation: 121dB
c. Minimum attenuation: 0.1dB
(4) Oscilloscope
a. Cathode ray tube: Effective ranges 88cm
b. Vertical axis
* Input sensitivity : 30mV~30V/cm
* Frequency band: DC ~2MHz
* Transient time: 180ns.
* Input impedance: 1MQ, 35 pF
c. Horizontal axis
* Tuning range: 30 Hz ~ 2 MHz
* Sweep time: lus~ 100ms/cm
* External Sweep: 1Vp-p/cm or more
(5) Digital electronic counter
a. Number of figure: 4 (decimal system)
b. Input sensitivity; 100mVrms
c. Input impedance: 1MQ, 40 pF
d. Frequency measurement range: 10Hz~ 100 kHz
e. Counting time: 0.1s, Is, 10s
(6) Wow meter
a. Measured center frequency range: 3kHz +4%
b. Input level range: 30mV~3V
c. Input impedance: About 50 KQ unbalanced
d. Measurement: 0.01~3% (5 ranges)
e. Indicator error: Maximum error in indicated value +5%
in each range.
f. Frequency response: Contorming to weighting curve
characteristics (WRMS), JIS C5551.
Flat characteristics (RMS)
0.5~200Hz, within ~3 dB (4Hz basis)
g. Meter indication system: Effective value indication, conforming to
JIS C5551.
h. Meter response characteristic: About 5~ 7 sec.
i. Oscillation frequency: 3 frequencies (3kHz, 3kHz +3%)
j. Temperature range: 0~40°C