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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.
SPECIFICATIONS
©American Audio® - www.americandj.com - Pro-Scratch 2™ Instruction Manual Page 35