rodec
Contents
1. SESSION INPUT 1 INPUT 2 OUTPUTS AUX O 1 PHONO 2 aN ime SELECT ROUTING S SELECT MASTER REVERSE 2 LINE 1 LINE 2 2 0 rr 46 CHANNEL 1 5 CHANNEL 2 INPUT ee ae ee MASTER SELECT 2 1 008 2 0 LEVEL LEVEL __ 0 0 MAX vu Oo ew SELECT CH2 EQUALIZER EQUALIZER HIGH 4 MONO 0 ojo 0 MONG Low 8 Low MID HIGH Low MID HIGH WET ees FX INSERT _ FX INSERT 07 ROUTING BALANCE 4 BALANCE Gaye CH1 MIX 2 DRY FX INSERT MIX gt PFLCH1 CH2 SELECT _ a RODEG NORMAL NORMAL REVERSE tj 17 REVERSE RODEC SCRATCHBOX PHONES REVERSE REVERSE O NORMAL NORMAL a DIRECTION DIRECTION 7 0 om REVERSE Za 7X CURVE CURVE A outputs 2 fi af2. SWCH2 for channel 2 it s cut switch To change the operating direction of the switch the nut of the switch must be unscrewed then the switch can be taken out and be replaced in the wanted direction Please be sure that the small rings and washers are kept in the same position When you unscrew the scratchplate as described in step 1 the faders can be replaced Both the channel faders and the cross fader can be normal analog faders or digital optical faders For the channel faders the analog faders must be placed with the 4 pole connector to the left Analog faders must be connected with the cable marked with AFCH1 for channel 1 fader and 2 for channel 2 fader When there are digital faders placed as channel faders these faders must be placed with the friction adjust screw to the left These faders must be connected with the cable marked with DFCH1 for channel 1 and marked with DFCH2 for channel 2 When an analog fader is used as cross fader this fader must be installed with its 4 pole connector to the side of the channel faders The analog cross fader must be connected with the flat cable marked with ACF When a digital cross fader is used this must be placed with the friction adjust screw on the side of the channel faders It must be connected with the flat cable marked DCF The response curve of the channel faders 14 can be adjusted with the curve control potentiometer and the response curve of the cross fader 15
3. 8 FX insert switch With this switch the signal of the input channel can be routed to the external effects unit 9 FX insert mix fader This fader sets the proportion of signal without effect dry signal and signal with effect wet signal When the fader is at the dry position there will be no signal routed to the effect output when the fader is at the wet position the entire signal will be routed to the effect output when the FX insert switch 7 is activated 10 PFL CH1 2 switch This button will route the signals of channel 1 and 2 to the headphones output 11 PFL CH1 CH2 select fader With this fader the signal for the headphones output can be selected When moved completely to the left the signal of channel 1 appears on the headphones When moved completely to the right the signal of channel 2 appears on the headphones between results in a mix of both input signals 12 Balance control This fader adjusts the balance between the amount of sound on the left and on the right When it is set to the center position the gain is the same for the left and the right channel 13 Cut switch This switch is used to mute the signal instantly This switch can be placed in 8 different directions upon the users preference The cut switch can be used in 3 different modes momentary cut latching cut or double speed cut How these directions and modes can be selected is explained on page 7 14 Channel fader Volume control for i
4. RODEC SESSI AUX INPUT 1 CHANNEL 2 a T equauizer Hg ba SE l N 5 k INSTRUCTIONS RODEC SCRATCHBOX TABLE OF CONTENTS Specifications 2 Safety instructions 3 Installation of the pre amplifier mixer 3 Toppanel switches and control 3 Frontpanel switches and control 5 Connectionpanel 6 Operating instructions 7 Options 9 Spare parts 10 Pictures 11 SPECIFICATIONS Inputs Input sensitivity Signal Noise 5 2mV 50kQ RIAA correction 500mV 50kQ 1 x MIC DJ assymm 8 0mV 1 2kQ Bass cut off filter symm 8 0mV 22kQ 2 x Master assymm 775mV 10kQ 1 x Master symm 1 55V 600Q 1 x Aux Rec Session 775mV 10kQ 1 x Phones 7 7 6000 Phones 6000 2 THD lt 0 02 Tone controls Bass 10dB 21dB 100Hz Mid 10dB 21dB 1kHz High 10dB 21dB 10kHz Tone controls Channel 3 Bass 13dB 100 2 High 13dB 10kHz Subsonic filter 25dB 10Hz Power source Standard with an AC adapter of 230V 50Hz 60Hz On request 100V 117V 50Hz 60Hz Power consumption OFF 8 7VA ON 22VA Approbation CE Dimensions Front 254mm x 400mm 10 x 9HE Chassis 224mm x 398mm x 84mm same h
5. f a FADER CHANNEL 1 CROSSFADER FADER CHANNEL 2 OUTPUTS INPUTS POWER NOISS3S NOISS3S gt YILSYW YILSYW AY3SNI X4 1938 XNY Zann ONOHd LINN XAY INN ON ce TR PR FX INSERT AUX REC LINE2 PHONO 2 PHONO 1 LINE1 AUX LINES OFF SESSION SESSION 775 775 te MASTER 1 Nee On 2 D ee RODEC www rodec com oe a DS 775 R N A A 775mV 500 5 2mV VNC 6874 OO OOOO 5 2 ce SI R RETURN S GND 9 5 are OOO dou 500 x lt Q 500mV NiC AUX OU SIP DIF OPTION N Xy 22 AUXIN ia OPTION a Professional Audio Equipment Made in Belgium sw SM GND 8 0mV CE SUPPLY 2x22VAC 22VA wa 0 aro 9 12 RODEC SCRATCHBOX Manufactured by TRANSTEL SABIMA Ltd Duboisstraat 50 B 2060 Antwerpen Belgium Phone 00 32 0 3 237 36 07 Fax 00 32 0 3 216 97 62 URL http www rodec com e mail info rodec com O 13
6. the SCRATCHBOxX has to be opened at the bottom How to do this is described in point 2 above When the bottom box is opened the plastic hole cover M must be removed The digital output unit can then be placed in the hole and screwed to the back panel with the screw included in the digital output unit package Then the 3 pole flat cable marked 18V 18V must be connected to one of the free 3 pole connectors marked 18 18 GND J6 J7 J8 or J9 on the other side of the main PCB 66 001 0033 The other 3 pole flat cable must be connected to the connector marked record out in J13 on the main PCB 66 001 0033 After that the SCRATCHBOX be closed again Now the mixed signal is available on the digital output connector M and can be used for recording the mixed signal or for connecting to a digital input of another mixing panel The digital record aux session output option can be ordered at every authorized RODEC dealer Order code 94 001 0043 SPARE PARTS 1 2 Digital optical channel or cross fader Order code 94 001 0063 Analog channel or cross fader Order code 94 001 0064 Standard knobs set SCRATCHBOX Order code 94 001 0065 Fader knobs set SCRATCHBOX Order code 94 001 0066 RODEC SCRATCHBOX 6 0
7. TION OF THE MIXING PANEL 1 The set can be used in every position 2 Don t place the set into direct sunlight or in a warm moist or dusty place 3 To avoid disturbances do not place the set near disturbing apparatuses TOPPANEL SWITCHES AND CONTROL 1 Power ON indicators These indicators light up when the power is on 2 VU meter The VU meter indicates the output or split signal mix or input depending on the position of the VU select switch 3 3 VU select switch With this switch it is possible to select the signal displayed on the VU meter 2 When the switch is in the up position the MIX signal left and right will be visible on the VU meter When the switch is in the down position the signal of channel 1 will be on left VU meter and signal of channel 2 on right VU meter 4 Input selector This switch is used to select input signals PHONO or LINE 5 Routing switch With this switch the channels 1 and 2 can be swapped When the switch is on the upper STRAIGHT position the signals of input 1 will appear on channel 1 and the signals of input 2 will appear on channel 2 In the down position REVERSE the signals of input 1 will appear on channel 2 and the signals of input 2 will appear on channel 1 6 Input Level potentiometer The input signal can be adjusted to the right level with these controls 7 Equalizer controls Used to regulate the degree of treble mid and bass in the sound 9 3 RODEC SCRATCHBOX
8. can be adjusted with the curve control potentiometer h With the fader direction switches d the operating direction of the channel faders can be chosen with the cross fader direction switch f the direction of the cross fader can be changed When the digital optical faders are used there are some other possibilities that can be adjusted a The slide friction of the shaft This friction can be changed by screwing the screw near the shaft of the fader more in or out b The cut in distance this distance can be set with the small screws on the outer ends of the fader By screwing these screws more in or out the cut in distance can be made shorter or longer When a back tape signal or the output of another mixing panel has to be connected this can be done by connecting these signals to the session aux input H The level must be adjusted before another sound source is playing Put the VU select button on MIX upper position and then adjust the level of the session aux in channel with the level potentiometer 23 until the yellow LED s of the VU meter 2 light up occasionally By this operation the back tape level is set to unity gain To add a microphone signal connect the mike to the MIC input F Select mic 3 with the input selector switch of channel 3 16 Turn the level control 18 to zero put the routing switch 21 in the center position and slide the channel 3 fader 22 open and adjust the volume of the microphone with th
9. e level button 18 Adjust the sound of the mic with the equalizer 19 O 8 RODEC SCRATCHBOX 15 If you do not use a microphone you can use channel 3 as line input Put the input select switch of channel 3 16 on line 3 position Adjust the level of the input signal with the level potentiometer 18 so that the OdB LED 17 lights up only at the peaks in the music This signal can be pre fade listened by pushing the PFL switch of channel 3 20 The sound amount of bass and treble can be adjusted with the EQ high and EQ low knobs 19 The signal of channel 3 can be routed straight to the mix output or can be routed to channel 1 or channel 2 by putting the routing switch 21 to the left or right When the signal is routed to channel 1 or 2 all the functions below the equalizer 7 will work on this signal These functions are FX insert 8 FX insert mix 9 balance 12 cut switches 13 channel faders 14 channel fader direction switches d channel fader curve adjust cross fader 15 cross fader direction g and cross fader curve potentiometer h The mixing panel can be used in mono mode left out right out left signal right signal 2 by activating the mono mode switch 25 If you wish to record the mixed signal or if you want to connect the output of this mixing panel to the input of another mixing panel or pre amplifier you can simply do this by connecting a recorder or the other mixing panel s inpu
10. eight as Technics SL 1210 MKII Weight 4 07kg DESIGN AND SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE MODEL SCRATCHBOX SERIAL NUMBER on the back of the set Please give model and serial number when you request info Thank you very much for purchasing RODMEC SCRATCHBOX mixing panel This mixer is a top line mixing panel capable of outstanding performance in combination with high grade systems 9 2 RODEC SCRATCHBOX SAFETY INSTRUCTIONS 1 Do not expose to rain or water Do not spill liquid or insert metal objects inside the set Rain water or liquid such as cosmetics as well as metal may cause electric shocks which can result in fire or shock hazard If anything gets inside unplug the power cord 2 Frayed cords and broken adapters may cause fire or shock hazard Do not damage the power cord or adapter When removing the power adapter from wall outlet be sure to unplug by holding the plug attachment and not by pulling the cord 3 Do not open the set there are no serviceable parts inside Only qualified service technicians can service inside your set 4 Operate the set only from mains power source which is indicated on the rating label of the adapter 5 Use only the adapter included with the SCRATCHBOX 6 Do not use chemical products to clean the set Do not use contact spray or other products in the faders The contact spray can damage the faders INSTALLA
11. he chosen channel 6 Adjust with the master 26 the volume From this step there is music at the output By activating the PFL mix switch 25 the mixed signal will appear on the headphones output b 7 Now the music be further manipulated in several ways With the routing switch 5 the inputs of channel 1 and channel 2 can be reversed so that the input signals connected to input 1 will be routed to channel 2 and the input signals of input 2 will appear on channel 1 8 With the FX insert switch 8 the signal can be routed to an external effects unit which can be connected to the FX insert connectors When the FX insert switch 8 is activated the signal will go straight without effect to the mix when the FX insert mix fader 9 is at the lowest DRY position When the FX insert mix fader 9 is moved up more the amount of signal without effect will decrease and the signal will be more and more routed via the external effect When the fader is completely up WET the signal will be completely routed via the external effects unit It is possible to route both input channels 1 and 2 together via the external FX insert JACKs 9 With the balance knob 12 the signal be placed more to the left or to the right in the stereo image 10 The cut switch can be used in 3 modes and can be placed in 8 directions To modify the mode or change the operating position of the cut switches the aluminium anodized scratchplate mus
12. nput channel 1 or 2 15 Crossfader With this fader you can easily fade between the input channels 1 and 2 When the knob is pushed completely to the left the signal of channel 1 will appear on the output When the knob is pushed completely to the right the signal of channel 2 will appear on the output This crossfader has several settings more details on page 8 16 Input selector This switch is used to select input signal MIC or LINE for channel 3 17 0dB LED When this LED lights up the signal level is OdB or higher 18 Input Level potentiometer The input signal can be adjusted to the desired level with this control knob 19 Equalizer controls With these knobs the amount of treble and bass can be adjusted 20 PFL switch This switch will route the signal of channel 3 to the headphones output 21 Routing selector With this selector the signal can be lead a directly to the mix output or b to channel 1 or c to channel 2 22 Channel fader Volume control for input channel when routing selector 21 is on MIX position 4 RODEC SCRATCHBOX 23 Level potentiometer The level of channel 4 session aux can be set with this knob 24 Mono mode Switch This switch is used to set the mixing panel in mono or stereo mode 25 PFL MIX switch This switch will route the MIX signal to the headphones output 26 Master output potentiometers These volume controls set final output level of mixer towards
13. nsitivity of 8 0mV G Line input Channel 3 Line input with a sensitivity of 500 H Session AUX input Channel 4 Line input with a sensitivity of 500mV 1 AUX input S P DIF Channel 5 optional Optional digital S P DIF format input J Level potentiometer Channel 5 optional The level of channel 5 S P DIF input option can be set with this knob K FX insert In and output to connect effect equipment to the music signal Internally linked when JACK is not inserted Sensitivity 775mV L Aux Rec Session output Output to connect recorder to make recordings or to connect the SCRATCHBOxX to an input of another mixer or pre amplifier M Aux S P DIF output optional Optional digital output to connect to a recorder or to send the mixed signal of the SCRATCHBOx digitally to an input of another mixer or pre amplifier G 6 RODEC SCRATCHBOX N Master outputs 1 and 2 Assymetrical outputs to connect power amplifiers The output level can be respectively manipulated with the master potentiometers 1 and 2 26 from 0 to maximum 775 O Symmetrical master output 1 Symmetrical output to connect a power amplifier The output level can be manipulated with the master 1 potentiometer 26 from 0 to maximum 1 55V Please use signal cables shorter than 1 meter for the inputs and the outputs OPERATING INSTRUCTIONS 1 First switch all the connected music sources on like CD players turntables etc Then switch the power bu
14. o to maximum in the first fraction of the sliding distance when the fader knob is moved from lowest to the most upper position When the fader curve potentiometer is positioned in the middle the fader response will be equal to the response of a normal volume fader The signal level will slowly rise from zero to maximum when the knob of the fader 14 is moved from lowest to most upper position f Cross fader reverse indication LED This LED will light up when the direction of the cross fader is reversed 9 Cross fader reverse switch The direction of the cross fader can be reversed with this switch When the switch is in the upper position NORMAL the cross fader 15 will work as follows when the fader knob is in the most left position the level of the signal of channel 1 will be maximum and the level of the signal of channel 2 will be zero When the fader knob is in the most right position the level of the signal of channel 2 will be maximum and the level of the signal of channel 1 will be zero When the switch is in the lower position REVERSE the cross fader 15 will work as follows when the fader knob is in the most left position the level of the signal of channel 2 will be maximum and the level of the signal of channel 1 will be zero When the fader knob is in the most right position the level of the signal of channel 1 will be maximum and the level of the signal of channel 2 will be zero G 5 RODEC SCRATCHBOX h Cross fader curve
15. onnection panel and two screws at the front panel below the handles When these 6 screws are unscrewed the bottom box can be taken off The two plastic hole covers I and J must be removed The digital input unit can now be placed in the holes and screwed to the back panel with the screw included in the digital input unit package Then the 3 pole flat cable marked 18V 18V must be connected to one of the free 3 pole connectors marked 18 18 GND J6 J7 J8 or J9 on the opposite side of the main PCB 66 001 0033 The other 3 pole flat cable must be connected to the connector marked auxiliary J10 on the main PCB 66 001 0033 After that the SCRATCHBOX can be closed again Then a digital signal can be connected to the digital input The level must be adjusted with the digital input level potentiometer J before another music source is playing so that the yellow LEDs of the VU meter 2 light up only at the peaks in the music To do this put the VU select switch 3 in upper mix position This optional digital input unit can be ordered at every authorized RODEC dealer Order code 94 001 0042 Digital record aux session output G 9 RODEC SCRATCHBOX To connect a digital output S P DIF Sony Philips digital interface format coaxial signal there is an optional digital session aux back tape output unit available This unit can easily with only one screwdriver be mounted inside the mixing panel To mount this optional unit
16. potentiometer This potentiometer is used to set the sharpness of the cross fader When the potentiometer is turned completely to the left the cross fader 15 will work as a normal cross fader The volume of channel 2 will rise from 0 to maximum when the shaft of the cross fader is moved from the left to the middle The same counts for the volume of channel 1 but then from the right side to the middle When the curve potentiometer is turned to the right the cross fader will react very fast with the volume of channel 2 rising from 0 to maximum when the shaft of the cross fader is moved from the left to a few fractions from the left The same counts for the volume of channel 1 but then from the right side to a few fractions from the right side CONNECTIONPANEL A Power inlet Inlet to connect the power transformer Use only the power transformer included with this mixing panel B Power switch Controls the supply of AC power to the set One push turns the mixing panel on a second push turns it off It remains in stand by mode C PHONO input Channels Phono inputs with a sensitivity of 5 2mV and built in RIAA correction D Line input Channels Line input with a sensitivity of 5 010mV To connect different apparatuses such as CD player MP3 player tuner tape player mini disc video player etc E Ground If the record player has a ground wire connect it to this ground terminal F Channel 3 micro input Microphone input with a se
17. power amplifiers FRONTPANEL SWITCHES AND CONTROL a Phones volume This button is used to adjust the volume of the headphones b Phones output Output JACK s 1 4inch 6 3mm and 1 8inch 3 2mm for high level headphones monitoring Headphones 200 6000 Fader reverse indication LED This LED will light up when the direction of the fader is reversed d Fader reverse switch The direction of the channel fader can be reversed with this switch When the switch is in the upper position NORMAL the channel fader 14 will work as follows when the fader knob is in the most down position there will be no signal going to the output when the fader knob is in the upper position the music signal to the output will be maximum When the switch is in the lower position REVERSE the signal going to the output will be maximal when the fader knob 14 is in the lowest position and there will be no signal going to the output when the fader knob is in the upper position e Fader curve potentiometer This potentiometer is used to set the control curve of the fader When the knob is turned completely to left the level controlled by the channel fader 14 will go very fast from maximum to zero in the first fraction of the sliding distance when the fader knob is moved from most upper to lowest position When the fader curve potentiometer is turned to the outer right position the level controlled by the channel fader 14 will go very fast from zer
18. t be removed To do this the 5 fader knobs 22 2 x 14 11 and 15 see drawing on page 11 must be removed Then the 4 screws in the corners of the scratchplate must be G 7 RODEC SCRATCHBOX unscrewed Please be sure that the power of the mixing panel is of to avoid damage inside the mixing panel when it is open The 3 operating modes of the cut switches can be selected by pulling off the flat cable with 3 pole connector that is placed on the cut switch PCB Then this connector can be placed on one of the 3 connectors on the cut switch PCB by this you choose the desired operation mode a Upper connector in this mode the cut switch will work in momentary mode The music signal will be interrupted cut when the switch is operated When the switch is released again the music signal will automatically come back b Middle connector in this mode the cut switch will work in latching mode The music signal will be interrupted when the switch is operated The music signal will not automatically return when the switch is released To let the music come back the user has to return the lever of the switch manually to its straight center position again c Lowest connector this is the double speed mode It is a combination of a and b In one direction the switch will work as momentary cut switch and in the other direction it will work as latching cut switch The flat cables with 3 pole connector are marked SWCH1 for the cut switch of channel 1
19. ts to the auxiliary record session out connectors If a certain input is not used but the channel fader and level potentiometer is opened it is recommended to put the RCA input termination plugs on the unused input to avoid disturbances Four of these plugs are supplied together with the SCRATCHBOX OPTIONS 1 Digital optical channel fader SCRATCHBOx users who like to upgrade the channel faders of their SCRATCHBOX can replace the analog fader by a digital optical fader This is the same as the digital optical cross fader The digital optical channel faders must be connected with the flat cables inside the mixing panel marked with DFCH1 for channel 1 DFCH2 for channel 2 The Digital optical channel fader option can be ordered at every authorized RODEC dealer Order code 94 001 0063 Digital session aux back tape input To connect a digital input S P DIF Sony Philips digital interface format coaxial signal there is an optional digital session aux back tape input unit available This unit can easily with only one screwdriver be mounted inside the mixing panel To mount this optional unit the has to be opened at the bottom To do this be absolutely sure that the power supply unit of the SCRATCHBOX is NOT connected to the Then following screws must be unscrewed one screw at the left and one at the right side panel of the SCRATCHBOx two screws at the bottom of the SCRATCHBOxX near the c
20. tton B to turn the SCRATCHBOX power supply on The power indicators 1 will light up and a few seconds later the mixing panel will be in operation ready state In this stage you can turn the power amplifiers on 2 Connect the headphones to phones output b 3 Choose with input switch 4 the desired source 4 Put the routing switch 5 in upper position straight Activate the PFL of channel 1 and 2 with the PFL CH1 2 switch 10 put the PFL 1 2 select fader 11 to the desired channel 1 or 2 Now you have the stereo signal on the headphones when you turn the phones volume open a Put the VU select switch 3 on input the input signal of channel 1 will appear on the left VU meter and the signal of channel 2 on the right VU meter This is very useful to compare the level of these both signals All these operations have no influence on the output signal Adjust with the level control 6 the input signal so that the yellow indicators of the level meters 2 light up occasionally Adjust if necessary the quality of the sound with the equalizer 7 The equalizer at each input is used to adjust the different sound between the sources or to be creative by manipulating the original music To correct the acoustics of the room it is advised to use an external equalizer 5 Put the cut switch 13 in it s center position straight up slide up the fader 14 of the chosen channel 1 or 2 and slide the cross fader 15 to the side of t
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