CXA1797Q
Specifications
Min. Typ. Max.
–6.2 –5.2 –4.2 dB
Block
Item
Conditions
Unit
Recording
NORM-HIGH mode
NORM-tape, HIGH-speed mode
equalizer amplifier REC-EQ frequency response 1 Input a 5 kHz signal (-20 dB level down)to the REC EQ IN
(5 kHz, -20 dB)
pin and then measure the relative deviation from NORM-
NS, 315 Hz mode.
Recording
NORM-HIGH mode
NORM-tape, HIGH-speed mode
–0.5 1.5 3.5
3.0 6.0 9.0
–1.7 –0.7 0.3
1.4 3.4 5.4
dB
dB
dB
dB
equalizer amplifier REC-EQ frequency response 2 Input a 15 kHz signal (-20 dB level down) to the REC EQ
(15 kHz, -20 dB)
IN pin and then measure the relative deviation from
NORM-NS, 315 Hz mode.
Recording
NORM-HIGH mode
NORM-tape, HIGH-speed mode
equalizer amplifier REC-EQ frequency response 3 Input a 20 kHz signal (-20 dB level down) to the REC EQ
(20 kHz, -20 dB)
CrO2-HIGH mode
IN pin and then measure the relative deviation from
NORM-NS, 315 Hz mode.
Recording
CrO2-tape, HIGH-speed mode
equalizer amplifier REC-EQ frequency response 1 Input a 5 kHz signal (-20 dB level down) to the REC EQ
(5 kHz, -20 dB)
IN pin and then measure the relative deviation from
NORM-NS, 315 Hz mode.
Recording
CrO2-HIGH mode
CrO2-tape, HIGH-speed mode
equalizer amplifier REC-EQ frequency response 2 Input a 15 kHz signal (-20 dB level down) to the REC EQ
(15 kHz, -20 dB)
IN pin and then measure the relative deviation from
NORM-NS, 315 Hz mode.
Recording
CrO2-HIGH mode
CrO2-tape, HIGH-speed mode
4.1 7.1 10.1 dB
equalizer amplifier REC-EQ frequency response 3 Input a 20 kHz signal (-20 dB level down) to the REC EQ
(20 kHz, -20 dB)
IN pin and then measure the relative deviation from
NORM-NS, 315 Hz mode.
Recording
METAL-HIGH mode
METAL-tape, HIGH-speed mode
1.0 2.0 3.0
dB
dB
equalizer amplifier REC-EQ frequency response 1 Input a 5 kHz signal (-20 dB level down) to the REC EQ
(5 kHz, -20 dB)
IN pin and then measure the relative deviation from
NORM-NS, 315 Hz mode.
Recording
METAL-HIGH mode
METAL-tape, HIGH-speed mode
2.1 4.1 6.1
equalizer amplifier REC-EQ frequency response 2 Input a 15 kHz signal (-20 dB level down) to the REC EQ
(15 kHz, -20 dB)
IN pin and then measure the relative deviation from
NORM-NS, 315 Hz mode.
Recording
METAL-HIGH mode
METAL-tape, HIGH-speed mode
4.3 7.3 10.3 dB
equalizer amplifier REC-EQ frequency response 3 Input a 20 kHz signal (-20 dB level down) to the REC EQ
(20 kHz, -20 dB)
IN pin and then measure the relative deviation from
NORM-NS, 315 Hz mode.
Recording
NORM-NORM mode
NORM-tape, NORM-speed mode
—
–90.0 –80.0 dB
equalizer amplifier Channel crosstalk
(1 kHz, +12 dB, 1 kHz BPF)
NORM-NORM mode
equalizer amplifier REC-EQ signal handling
Alternately input a 1 kHz signal (+12 dB level up) and
measure the channel crosstalk. (Use a 1 kHz BPF.)
NORM-tape, NORM-speed mode, RL = 2.7 kΩ
Input a 1 kHz signal and set the output level so that THD
Recording
9.0 11.0
—
dB
(1 kHz, THD = 1%, RL = 2.7 kΩ) (total harmonic distortion) is 1%. (Measure the distortion
of a +9 dB level-up signal.)
Recording
NORM-NORM mode
NORM-tape, NORM-speed mode, RL = 2.7 kΩ
—
0.02 0.6
%
equalizer amplifier REC-EQ total harmonic distortion Input a 1 kHz, 0 dB (reference input level) signal and
(1 kHz, 0.0 dB, RL = 2.7 kΩ)
measure the distortion. (Measure the distortion as THD + N.)
NORM-tape, NORM-speed mode, Rg = 5.1 kΩ
With no signal, measure the noise using the "A"-WGT
filter. (The measured value is indicated as the relative
value compared to the reference level.)
Recording
NORM-NORM mode
57.0 67.0
—
dB
equalizer amplifier REC-EQ S/N ratio 1
("A"-WGT filter)
Recording
NORM-NORM mode
NORM-tape, NORM-speed mode
–0.5 0.0 0.5
V
equalizer amplifier Output DC offset voltage
(REC OUT pin)
With no signal, measure the DC offset voltage of the REC
OUT pin.
—13—
SONY [ SONY CORPORATION ]
