Teac W-760R - Recording Performance Checks

W-760R |
1 am
2-2-5 Recording performance &a*%
Deck settings:
Mode : REC/PLAY
DOLBY NR Switch » OFF
REC LEVEL Control : Specified position #7E(Zia (Item 9)
BALANCE
Control
:
Specified
position
#3E
Zia
(Item
9)
TEAC recording test tapes:
MTT-5512 : For NORMAL
MTT-5562 : For CrO,
MTT-5571 : For METAL
. Bias osc
frequency
NAFTA
Essind pees
Connection : Fig. 2-9
TAPE: MTT-5512
Mode : REC
LINE IN:
No signal
Ries
P303-2:
100kHz
. Step up coil
ATITP v7
a4)b
. Record bias
REINA PA
. MPX filter
MPX J4/b9—
. Record level
BELA
Connection : Fig. 2- 10
TAPE : MTT-5571
Mode: REC ~
Connection : Fig. 2-4
TAPE : MTT-5512
Connection : Fig. 2-4
Mode : REC
Connection : Fig. 2-4
TAPE : MTT-5862
MTT-5571
LINE IN:
No signal
ES
L103/L203
LINE IN:
250Hz/ 10kHz
— 42dB
(6.16mV)
R14/R24
LINE IN:
19kHz/—- 12dB
(195mV)
L101/L201
LINE IN: RI3/R23
400Hz/- 12dB
(195mV)
TP; C125/C225 :
Min. DC voltage
DC SE ax/)\
OUTPUT :
Nearly equal level
at both frequencies
MA RRORS YAN
fl SIL) (+ 0.5dB)
30dB min.
OUTPUT :
-7.5dB (327mvV)
—7.5 + 1dB
(291mV~367mvV)
Ratio of ref.
level to signal
REM AL AIC
IT Slt
. Total
harmonic
distortion
Connection : Fig. 2-4
TAPE : MTT-5512
MTT-5562
MTT-5571
LINE IN:
A00Hz/- 12dB
(195mvV)
NORMAL : 2.0% or less
CrQ, : 25% or less
METAL : 3.0 % OF less
. Overall
frequency
response
Pees Goad
Connection : Fig. 2-4
TAPE : MTT-5512
MTT-5562
MTT-5571
LINE IN:
A0Hz~ 12.5kHz
— 42dB
(6.16mV)
~-6dB
12.5k(Hz)
. Overall S/N
ratio
MSS/NEL
Connection : Fig. 2-4
TAPE : MTT-5512
MTT-5562
MTT-5571
LINE IN:
No signal
RIES
NORMAL : 45dB min.
CrOQ. : 46dB min.
METAL : 46dB min.
Ratio of ref.
level to noise
EMAL AIVE
JI AOE