Fostex X-24 service manual Recorder Section

X-24

RECORDER SECTION (continued)

Level Deviation at Reference Output Level

PLAY	1 dB or less at 400 Hz (NR: OUT, TCW-231 test tape)
	3 dB or less at 40 HZ ~ 12.5 kHz (NR: OUT, SCW-977 /
	TCW-284F test tape)
REC & PLAY	1 dB or less at 400 Hz (NR: OUT, AC-514 test tape)
	2 dB or less at 100 Hz ~ 10 kHz (NR: OUT, AC-514 test tape)
S/N
PLAY	47 dB or more (NR: OUT, DIN AUDIO)
	55 dB or more (NR: OUT, IHF-A)
REC & PLAY	45 dB or more (NR: OUT, DIN AUDIO)
	48 dB or more (NR: OUT, IHF-A)
	48 dB or more (NR: IN, DIN AUDIO)
	55 dB or more (NR: IN, IHF-A)
Distortion (REC & PLAY)	2 % or less (Input signal: 1 kHz / standard level, standard fader position,
	with 400 Hz HPF & 30 kHz LPF)
Erasure Ratio	67 dB or more at 1 kHz (Input signal: 1 kHz / 0 dBV, standard fader
	position, with 1 kHz BPF)
Cross Erasure	1 dB or less (Input signal: 10 kHz / -10 dBV, standard fader position.
	Measure level difference when adjacent track is put into REC mode.)
Channel Separation	50 dB or more (Input signal: 1 kHz / -10 dBV, standard fader position,
	with 1 kHz BPF. Measure leakage level when adjacent track is put into
	REC mode.)
Sync Crosstalk	-25 dBV or less (Input signal: 1 kHz / -10 dBV)
	-10 dBV or less (Input signal: peak frequency / -10 dBV)
	(Measure leakage level when adjacent track is put into REC mode.)
Bias Leakage	-35 dBV or less (No LED meter is lit. Standard fader position.
	Measure leakage level at TAPE OUT when unit is put into REC mode.)
Click Noise
PLAY → STOP	-30 dBVp-por less
REC → STOP
Monitor	-20 dBVp-por less
PLAY	-20 dBVp-por less
Punch In / Out	-30 dBVp-por less at PLAY
Shock Noise	-30 dBVp-por less (Measure playback noise level when one side of
	appliance is dropped 3 times from 5 cm height.)

Specifications and appearance are subject to change without notice for product improvement.

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