American Audio Pro-Scratch 2 manual Specifications, General

SPECIFICATIONS

GENERAL	Model: American Audio® Pro-Scratch 2™ - Professional CD Player
Type:	Slot loading, digital compact disc audio player.
Disc type:	Standard size compact discs only (5 in / 12 cm discs)
Pitch Range:	Within +/- 4%, +/- 8%, +/- 16%, +/- 100%
Pitch Accuracy:	0.1%
Dimensions:	3 1/4” ~ 4 1/2” H x 8 1/2” W x 10 3/8” L (217.5 mm x 81.8 mm x 306 mm)
Installation:	Place on flat surface or mount in flat case
Weight:	4 1/2 Lbs. / 2.9 Kgs
Power supply:	AC 115/230V, 50/60Hz
Power consumption:	14W
Environmental conditions:	Operational temperature:		5 to 35˚C (41 to 95˚F)
	Operational humidity:		25 to 85% RH (no condensation)
	Storage temperature:		-20 to 60˚C (4 to 140˚F)
Accessories:	Connecting RCA Cable (2 sets for left and right channels)
	Control 1/8” miniplug type (3 feet)
AUDIO SECTION
Quantization:	16 bit linear per channel
Sampling rate:	44.1 kHz at normal pitch
Over sampling rate:	8 times
D/A conversion	16 bit
Frequency response:	+/- 1 dB 20 Hz to 20,000 KHz
Output level:	2.0V +/- 1dB
Load impedance:	47k ohm or more
AUDIO CHARACTERISTICS (TEST DISC: TCD-782, LOAD=47Kohm)
ITEM	NOMINAL	LIMIT		CONDITION
Output level	1.0Vrms+/-1dB	1.0V+/-1dB		1KHz,0dB
Channel balance	0.5dB	1.0dB		1KHz,0dB
Frequency response	+/-0.5dB	+/-1.0dB		20Hz-20KHz,0dB
De-emphasis response	+/-2.5dB	+/-3dB		16KHz,-20dB
Channel separation*	83dB	75dB		1KHz,0dB
T.H.D. + NOISE*	0.02%	0.03%		1KHz,0dB
S/N ratio (IHF-A)*	90dB	75dB		1KHz.0dB
Phones max. output	45mW	30mW		1KHz,THD=5% / Load=32 Ohms
NOTE: * With 20KHz low pass filter.
SEARCHING TIME (TEST DISC: TCD-792)
ITEM	NOMINAL	LIMITS		CONDITION
Short access time	1.7sec	4sec		Play next track
Long access time	3sec	6sec		Track 1 ->Track 20
				Track 20 ->Track 1
PLAYABILITY
ITEM	NOMINAL	LIMIT		CONDITION
Interruption	1000um	700um		TCD-725
Black dot	1000um	600um		TCD-725
Finger prints	75um	65um		TCD-725
Eccentricity	210um	140um		TCD-712,713 NO TRACK JUMP
Vertical deviation	1mm	0.54mm		TCD-731R
PICK-UP
System	Object lens drive system optical pick-up
Object lens drive system	2 dimensional parallel drive
Tracking detection	3 spot beam detection
Optical source	Semiconductor laser
Wave length	780nm

NOTES: Specifi cations and improvements in the design of this unit and this manual are subject to change without any prior written notice.

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