American Audio Pro Scratch 1 - Manual (Page 27)

GENERAL Model: American DJ
®
Pro Scratch 1 - Professional Compact Disc Player
Type: Slot loading, digital compact disc audio player.
Disc type: Standard size compact discs only (5 in / 12 cm discs)
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. / 1 3/4 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% (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 2.0Vrms+/-1dB 2.0V+/-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* 82dB 75dB 1KHz,0dB
T.H.D. + NOISE* 0.02% 0.025% 1KHz,0dB
S/N ratio (IHF-A)* 84dB 75dB 1KHz.0dB
Phones max. output 10mW 8mW 1KHz,THD=10%
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:
The specifications are subject to change to any improvement by negotiations in advance.
The parts are subject to change to any improvement within the range of the specifications.
SPECIFICATIONS
American DJ
®
AUDIO • Pro Scratch 1™ INSTRUCTION MANUAL • PAGE 27