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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:                          /- 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

Summary of Contents for Pro-Scratch 2

Page 1: ...Featuring Sampling Sampling FLIPFLOP Pro Scratch 2 User Guide and Reference Manual 4295 Charter Street Los Angeles Ca 90058 www americandj com Rev 02 02...

Page 2: ...KING 14 STARTING PLAYBACK 15 PAUSING PLAYBACK 15 FRAME SEARCH 15 TRACK SCANNING FAST FWD FAST REV 16 SETTING AND STORING CUE POINTS 16 CREATING A SEAMLESS LOOP 17 USING THE BUILT IN SAMPLER 19 CREATIN...

Page 3: ...USER SERVICEABLE PARTS INSIDE REFER SERVICE TO YOUR AUTHORIZED American Audio DEALER The lightning flash with an arrow triangular symbol is intended to alert the user to the presence of non insulated...

Page 4: ...pinched by items placed upon or against them paying particular attention to cords at plugs conveniencereceptacles andthepointwhere they exit from the product OUTDOOR ANTENNA GROUNDING If an outside an...

Page 5: ...have fallen or liquid has been spilled into the CD Player C The CD Player has been exposed to rain or water D The CD Player does not appear to operate normally or exhibits a marked change in performa...

Page 6: ...ed in perfect operating condi tion Carefully check the shipping carton for damage that may have occurred during shipping If the carton appears to be damaged carefully inspect your CD player for any da...

Page 7: ...the set up section of this manual This feature will start the next player once one 1 player has ended For example if player one 1 is playing a disc and it ends player two 2 will instantly begin to pl...

Page 8: ...merican DJ Fader Q Start mixer This will enable the Fader Q Start function See Fader Q start control page 8 CAUTION Be sure to use the supplied mono 1 8 control cables Using other types of cable may r...

Page 9: ...effect See built in effects on page 21 7 P S P Pre Set Parameters BUTTON This button is used to activate the effect preset Each effect comes with four preset this button access the presets 8 FLASH BU...

Page 10: ...l decrease the pitch percentage down to 100 The pitch bend will be deter mined on how long you turn the jog wheel continuously C The jog wheel will act as a frame search control when the CD is in paus...

Page 11: ...slow to another playing music source Be sure to notice that this function is a momen GENERAL FUNCTIONS AND CONTROLS Cont tary pitch adjustment for a more precise adjust ment use the PITCH SLIDER 33 to...

Page 12: ...ual Page 12 Figure 5 43 POWER ON ON OFF OFF 115V 230V DIGITAL OUT DIGITAL OUT SERIAL NO CUE HEADPHONE L R HEADPHONE VOLUME HEADPHONE VOLUME AUDIO OUT Com plies with DHHs radia tion Per fom ance standa...

Page 13: ...splay time will depend on the selected time func tion The selected time function will be displayed above the TIME METER as TOTAL REMAIN 58 REMAIN 58 OR ELAPSE 59 55 MEMORY BUCKET INDICATOR This indi c...

Page 14: ...press the EJECT BUTTON 18 see Figure 8 CAUTION NEVER attempt to insert any other objects beside 5 CD in the disc slot NEVER attempt to insert more than one disc at a time Doing so may result in sever...

Page 15: ...his feature allows you to scroll through a track frame by frame allowing you to find and set a starting cue sample or loop point To use the scroll function you must first be in Pause Mode see section...

Page 16: ...2 You may also use the JOG WHEEL 16 to set a cue point While a disc is in PAUSE or CUE mode use the JOG WHEEL 16 to scroll through a track to find your desired starting point Once you have found your...

Page 17: ...thout sound interruption You can use this loop to create dramatic effect in your mixing This loop has no time limit and you could actually loop the entire length of disc You create a seamless loop bet...

Page 18: ...c playback will resume nor mal play Figure 13 The IN BUTTON 14 and OUT BUTTON 32 LEDs will remain on to remind you that a loop is stored in memory REPLAY LOOP The RELOOP 31 function allows you to retu...

Page 19: ...ce turn the sample function off immediately after initiating your sample With the sample function on the sample will continue to play until the sample function is turned off 7 Important Notice If you...

Page 20: ...gain or power is shut off unless they are stored in to the unit s memory Changing the Sample Parameters Volume While a sample is playing push the PARAMETERS RATIO BUTTON 3 One tap will display SV 10 0...

Page 21: ...BOP ENTER PAN FLANGER SKID PHASE FX SELECT SGL CTN TIME REV PLAY TEMPO LOCK 4 8 16 TRANS ECHO SCRATCH FILTER HOLD ON OFF SAMPLE PITCH PARAMETER TIME PARAMETER RATIO EJECT POWER CUE 1 2 3 4 5 6 7 8 9...

Page 22: ...running time 2 REMAIN 59 This describes the time in the LCD 52 53 54 as the current TRACKS remaining running time 3 TOTAL REMAIN 59 This describes the time in the LCD 52 53 54 as the disc total remai...

Page 23: ...the LCD 19 where XX XX will be replaced with firmware version 18 CLEAR ALL MEMORY You may clear the system memory at any time This will erase all your programmed memory and restore the unit to it s de...

Page 24: ...der is in the center position a green LED just left of the slider will glow When this slider is glowing there is zero pitch being applied to the track regardless if the pitch function is on or off Act...

Page 25: ...ND BUTTON 29 will provide a slow down in the playback pitch PITCH BEND BUTTONS 28 29 The PITCH BEND BUTTON 28 will increase track playback speed and the PITCH BEND BUTTON 29 will decrease track playba...

Page 26: ...wheel in a clockwise direction will increase your track pitch and rotating the wheel in a counter clockwise direction will slow your track pitch The speed you rotate the JOG WHEEL will determine pitch...

Page 27: ...he Skid and Scratch time parameters can be adjusted from 0010 to 9990 9990 will give you the longest Skid times The SKID value ranges from a 10ms to ten seconds Figure 51 PARAMETER TIME PARAMETER RATI...

Page 28: ...After PT value has been set use the PARAMETER RATIO KNOB 3 to create the effect by turning it back and forth FLANGER EFFECT The flanger effect distorts the output signal and creates an effect similar...

Page 29: ...M CUE AUTO BPM OFF ON FX MIX BOP ENTER PAN FLANGER SKID PHASE FX SELECT SGL CTN TIME REV PLAY TEMPO LOCK 4 8 16 TRANS ECHO SCRATCH FILTER HOLD ON OFF SAMPLE PITCH PARAMETERS All the effects have adjus...

Page 30: ...f you follow steps one and four you will initiate the FX mix on the current track For example If you used the brake effect for your effects mix following steps one and four will initiate a brake effec...

Page 31: ...and three You must be in continuos play mode for this effect to operate properly if the unit is in single play mode the track will cue when the effect has played out PARAMETER TIME PARAMETER RATIO EJ...

Page 32: ...ETER RATIO EJECT POWER CUE 1 2 3 4 5 6 7 8 9 0 RELOOP SINGLE LOOP REMAIN NONSTOP TOTAL ELAPSED M T S PROGRAM LOCK KEY SYNC BEAT F PITCH BPM CUE AUTO BPM OFF ON FX MIX BOP ENTER PAN FLANGER SKID PHASE...

Page 33: ...Flip Flop control Be sure to connect 1 8 mono mini plugs from the control connection on the rear your Pro Scratch 2 to the 1 8 control jack on the rear of American Audio Q series mixer That s it you...

Page 34: ...aired or serviced by anyone other than the American Audio factory unless prior written authorization was issued to purchaser by American Audio if the product is damaged because not properly maintained...

Page 35: ...L 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 separa...

Page 36: ...American Audio World Headquarters 4295 Charter Street Los Angeles CA 90058 USA Tel 323 582 3322 Fax 323 582 3311 Web www americandj com E mail info americandj com...

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