Owners manual
Contents
1. 5 3o DISPOSAL 5 4 SAFETY 5 65 2 2 2 1 5 5 MAINTAINANCE CLEANING 6 GETTING STARTET 6 1 Unpacking 6 2 Installation 7 CONTROLG Z Front panel INGRESE TEESE E 8 7 7 qm 7 3 Initial operation 222 2 2 2 2 2 2 7 72227 02 21201 494 418 44040040 0 4 4 0001 7 4 8 MODULE 5 2 222222 8 1 Layout and 5 222 9 1 Specifications generally Les EA CDIM 5 8 Series PHS 28 Rev1 01 Dec 2013 1 WARRANTY 1 1 Limited Warranty Schippmann electronic musical instruments warrants the mechanical and electronic components of this product for a period of two 2 years from the original date of purchase according to the warranty regulations described below If the product exhibits any faults within the specified warranty period that are not excluded from this warranty Sch ppmann electronic musical instruments shall at its discretion either replace or repair the product This warranty exists in addition to the general terms of business of the manufacturer Schippmann electronic musical instruments 1 2 Terms of Warranty Schippmann electronic musical2. B with the phasers effect of channel B proportionally together Fb B 2 pos toggle switch activates on the feedback loop of channel B FB Stage 4 pos rotary switch selects for both channels the stage for the feedback loops commonly Fb A Mode 3 pos toggle switch routes the channels A and B in three different ways into parallel or serial modes Out Stage 4 pos rotary switch selects for both channels commonly the effect output stage at the Mix Aand Mix B controls and output jacks resp Input sel 2 pos toggle switch selects for the Mix B control one of the original inputs A or B Input A jack input audio input channel A Input B jack input audio input channel B CV A jack input non inverting CV input to control the phase frequency of channel A CV A jack input inverting CV input to control the phase frequency of channel A CV B jack input non inverting CV input to control the phase frequency of channel B CV B jack input inverting CV input to control the phase frequency of channel B Res A jack input CV input 5V to control the resonance of channel A Res B jack input CV input 5V to control the resonance of channel B Emph A jack input CV input 5V to control the emphasis of channel A 9 N N CHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 23 24 25 26 27 Emph B jack input CV input 5V to control the emphasis of channel B St 8 A jack output audio output 2 5
3. PHS 28 away from heat sources such as radiators lamps or other units that produce heat e g power amps or internal power supplies 7 N N CHIPPMANN 5 8 Series PHS 28 Rev1 01 Dec 2013 7 CONTROLS 7 1 Front panel Fig 1 shows the front panel with consecutively numbered controls and jacks S 8 Series Er PHS 28 pu 2 4 82 4 3 3 5 70 1 S 2 9 1 NS 2 9 Freq io 07 Reso oos Emph MIX B PHSB 10 ano FbA Mode QutStage Input sel 96 Input A 5 2 15 Input B us 09 ETT 2 n NNCHIPP Fig 1 front 8 NASN CHIPPMANN 5 8 Series PHS 28 Rev1 01 Dec 2013 14 15 16 20 21 22 Input A control attenuates the incoming audio signal at Input A jack channel A between dB and 0 dB Input B control attenuates the incoming audio signal at Input B jack channel B between dB and 0 dB Freq control adjusts the phase frequency for both channels between1 Hz and 200 kHz Det control detunes the phase frequency of channel B over 3 6 octaves x12 resp 12 Reso control adjusts the resonance of the phaser Q factor between zero 1 and self oscillation for both channels Emph control adjusts the emphasis of resonance for both channels commonly Mix A control mixes the original signal at jack nput A with the phasers effect of channel A proportionally together Mix B control mixes the original signal at jack nput
4. instruments reserves the right to execute warranty services only if the product comes with a copy of the dealer s original invoice Final discretion of warranty coverage lies solely with Schippmann electronic musical instruments Any Schippmann electronic musical instruments product deemed eligible for repair or replacement under the terms of this warranty will be repaired or replaced within 30 days after receiving the product at Schippmann electronic musical instruments Damages or defects caused by improper handling or opening of the unit by unauthorized personnel user included are not covered by this warranty Products which do not meet the terms of this warranty will be repaired exclusively at the buyer s expense and returned C O D with an invoice for labour materials return shipping and insurance Products repaired under warranty will be returned with shipping prepaid by Schippmann electronic musical instruments Outside Germany products will be returned at the buyer s expense 1 3 Warranty transferability This warranty is extended to the original purchaser and cannot be transferred No other person retail dealer etc shall be entitled to give any warranty promise on behalf of Sch ppmann electronic musical instruments 1 4 Claim for damages N N CHIPPMANN 5 8 Series PHS 28 Rev1 01 Dec 2013 Schippmann electronic musical instruments does not accept claims for damages of any kind especially consequential loss or damage direct
5. 4 1 12 Stage 50 mix Amplitude 200 1 10 100 1K 10K 100K 12 Stage Phase 0 000Kg 0 360K 0 720K 1 080K 1 440 1 800K 2 160 205 14 Stage 5096 mix Amplitude 1 14 Stage Phase 1 20 00 40 00 1 16 Stage Phase 1 10 100 1K 10K 100K TM Fig 4 amplitude phase response 2 16 Stages 15 N N CHIPPMANN 5 8 Series PHS 28 Rev1 01 Dec 2013 The shown amplitude responses are coming into being when mixing the original signal with the phase shifted one fifty fifty The phase response shown here however is the pure phaser stage output because it is more of interest than the mixed result and gives more insight of the system properties To shift the current phase angle of a real time signal is only possible when the signal becomes delayed This will be done with units of energy storages the so called stages Each stage provides a total phase shift of 180 Application oriented however only 360 units are of interest Such a unit will be obtained by cascading 2 stages in serial The input signal tuned from the lowest to the highest frequencies undergoes a full clockwise rotation delay negative phase of 360 A superposition of this phase shifted signal with its phase constantly original signal results in a total effacement notch of the amplitude response as shown in the graphs This occurs because at one
6. G THE PRODUCT FROM THE RACK PLEASE DISCONNECT THE POWER PLUG AND ALL OTHER CABLE CONNECTIONS PLEASE DISCONNECT THE POWER PLUG FROM THE OUTLET IN CASE OF A THUNDERSTORM e NEVER OPEN THE ENCLOSURE OF THE PRODUCT NEVER TRY TO MODIFY THE INTERNAL CIRCUITRY ONLY QUALIFIED SERVICE PERSONNEL IS ALLOWED TO OPEN THE ENCLOSURE e DONOTPLACE OPEN FIRE ON TOP OF THE PRODUCT CANDLES ASH TRAYS HOT THAI CURRIES ETC e NEVER EXPOSE THE PRODUCT TO WATER BEER OR MOISTURE e ADULTS ARE TO MAKE SURE THAT CHILDREN FOLLOW ALL SAFETY INSTRUCTIONS SAME THING GOES FOR PETS e AVOID MECHANICAL STRESS OR IMPACT DO NOT DROP THE PRODUCT EVEN IF THERE IS A CONTROL LABELLED DROP e DONOTUSE THE PRODUCT WITH TOO MANY OTHER ELECTRONIC DEVICES RUNNING FROM ONE SINGLE OUTLET ESPECIALLY IN CONNECTION WITH EXTENSION CORDS DO NOT ATTEMPT TO SAVE MONEY ON CHEAP SOLUTIONS BUY PROPER HIGH DUTY POWER DISTRIBUTORS AND CORDS e NEVER USE EXTENSION CORDS WITH LESS MAXIMUM LOAD THAN THE TOTAL POWER CONSUMPTION OF ALL DEVICES CONNECTED TO A SINGLE POWER OUTLET COMBINED OVERLOADING EXTENSION CORDS CAN CAUSE FIRE e AVOID MECHANICAL STRESS ON SOCKETS AND KNOBS SWITCHES e PROTECT YOUR SPEAKERS AND EARS AGAINST EXCESSIVE AUDIO LEVELS THE CS 8 PHS 28 UNIT IS CAPABLE OF GENERATING EXTREMELY LOW AS WELL AS EXTREMELY HIGH FREQUENCIES BOTH MIGHT CAUSE SERIOUS DAMAGE TO AUDIO EQUIPMENT AND EAR DRUMS 5 MAINTAINANCE CLEANING N N CHIPPMANN CS 8 Series PH
7. S 28 Rev1 01 Dec 2013 e BEFORE CLEANING THE PRODUCT PLEASE DISCONNECT THE POWER PLUG FROM THE OUTLET OR DISCONNECT THE MODULE FROM ITS POWER CONNECTOR BY PULLING THE FLAT RIBBON CABLE e USE A DRY OR SLIGHTLY MOIST CLOTH OR COMPRESSED AIR FOR CLEANING NEVER USE ANY CLEANER OR THINNER E G PAINT THINNER OR ACETON PRINTS AND PAINTWORK WILL IMEDIATELY BE DESTROYED ALSO AVOID ALCOHOL ISOPROPYLIC GAS SPIRITS SCOTCH SINGLE MALTS FOR A START OR ABRASIVE HOUSEHOLD CLEANERS 6 GETTING STARTET 6 1 Unpacking The box should contain the following items 1x 5 8 PHS 28 rack mount module 1 x Ribbon cable 20 cm length with two 16 pole IDC connectors 4x M3 screws 4x polypropylene washers This owners manual If the content of the box turns out to be incomplete please get in touch with your dealer or Schippmann electronic musical instruments immediately In case of damage caused in transit please get back to the responsible carrier and Schippmann electronic musical instruments immediately We will support youin this case 6 2 Installation Place the unit on a clean dry and sturdy surface or use a suitable keyboard stand or 19 rack For 19 rack mounting a suitable rack 3U Eurorack with 12V power supply rails is required The CS 8 PHS 28 uses discrete all analogue electronics Thus certain parameters such as Frequency Resonance and Emphasize may be temperature sensitive We recommend placing the CS 08
8. S 8 Series PHS 28 Rev1 01 Dec 2013 Reso The influencing variables on this parameter will change the self resonance of the phaser chain by feedback the audio signal at a selected stage to the input Fig 3 With that selective gains at certain frequencies will occur namely exactly at that frequencies where the notches are Fig 4 so at 180 N 360 The stage for the feedback can be selected with the rotary switch Fb Stage 10 independently of the Out Stage The provided stages as well as for the out stage in multiples of 2 360 units so 2 4 6 8 and in mode serial routing of channel A and B see below 10 12 14 and 16 Figure 5a shows from top to down the amplitude response at the 4th stage 50 50 mix without resonance the amplitude response at the 4th stage at high resonance fed back at the 8th stage and at last the corresponding phase response at stage 4 Previously it was implied the same center frequency for all 16 stages But because of the ability to control both channels A and B separately even in the serial modes the relationships of the notch frequencies can be further shifted e g by the Detcontroller or external CV By detuning the channels and 2 feedback loops at the same time and working in one of the two serial modes 2 or 3 see below at certain frequency settings congruence of resonance frequencies notches will occur resulting in dramatically higher selectivity at higher resonance
9. WM NCHIPPMANN electronic musical instruments CS 8 Series Owners manual PHS 28 N N CHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 User manual by Carsten Schippmann Graphic design 5 8 Series Carsten Schippmann Concept and development Carsten Schippmann English translation by Carsten Schippmann Contact Schippmann electronic musical instruments Dipl Ing Carsten Schippmann Wilhelm Kabus Str 46 D 10829 Berlin Web www schippmann music com Email info schippmann music com The manufacturer Schippmann electronic musical instrumentsis constantly striving for improvements and developments of their products Therefore we reserve the right to change technical specifications which improve our products at any time without notice This includes the look of the unit which might differ from pictures in this manual No part of this publication is to be reproduced transmitted transcribed or translated in any form or by any means whatsoever without written permission by Schippmann electronic musical instruments 2013 Schippmann electronic musical instruments errors excepted subject to change without prior notice N N CHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 PREFACE First of all congratulations on the purchase of this 3U euro rack synthesizer module This manual contains a condensed description of the functionality and addresses users with a certain level of elementary technical knowledge The PHS 28 is
10. a very versatile and fully analogue voltage controlled 2 channel phaser phaseshifter with 8 stages per channel The channels are cascadable to a true 16 stage phaser with a feedback loop over all 16 stages by one switching click Very deep and impressive phasing effects are possible with that The stage for the feedback as well as for the output stage are selectable fully independently We think that the PHS 28 convinces with an unbelievable warm forceful sound it would have bitten almost our head off The module is designed with a width of 19 PU part units 1 PU 5 08mm for installation into a 3 HU height units modular rack with a builtin 12 V power supply Furthermore the module is equipped with lots of CV Control Voltage inputs for phase frequency FREQ resonance RESO and emphasize EMPH separately for each channel that true and independent dual audio operating is possible Design and implementation meet highest technical standards concerning usability sound quality and electromagnetic immunity The entire design and production work was done in Germany Made in Germany N N CHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 1T WARRBANTY 1 1 Limited Warranty Em MD Terms of Warranty 4 1 3 Warranty transferability 22 2 2 2 2 4 14 CLAIM damages 4 2 CE AND FCC COMPLIANCE
11. db of the 8th stage of channel A St 8 B jack output audio output 2 5 db of the 8th stage of channel B Mix A jack output audio mix output ctrl 7 2 5 db channel Mix B jack output audio mix output ctrl 7 2 5 db channel B 7 2 Back Fig 2 shows the back of the module with consecutively numbered elements 5 8 Series PHS 28 4 NA NCHIPPMANN CHIPPI PHS8 LINE f 0 o n D a a I o a z E Fig 2 back main PCB of the module 10 NNCHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 pinned phaser module phaser core channel A pinned phaser module phaser core channel B Freq A trimmer P5 calibration of the phase frequency channel A Res A trimmer P7 calibration of starting point of self oscillation channel A 5 FTEAtrimmer P1 calibration of the Emph modulation feedtrough of channel A 6 FTRAtrimmer P3 calibration of the Reso modulation feedtrough of channel A 7 FreqB trimmer P6 calibration of the phase frequency channel B 8 ResBtrimmer P8 calibration of starting point of self oscillation channel B 9 FTEBtrimmer P2 calibration of the Emph modulation feedtrough of channel B 10 FTR B trimmer 84 calibration of the Reso modulation feedtrough of channel B 11 16 Pin power supply box header qos Nc 7 3 Initial operation The power connector s 8 pin out in top view refer to fig 2 is assign
12. ed as follows Bottom to top left to right Thus pin 1 is located at bottom left pin 2 above pin 1 etc Pin 15 is at bottom right pin 16 at top right 1 2 12V labelled with a triangle Pin 3 8 GND regarding ground 0 V located outward on all jacks Pin 9 102 12 Pin 11 16 2 not connected To hook up power to the module connect one of the IDC connector of the included flat ribbon cable to the box header refer to fig 2 Observe guide key for the polarity of the connector in order to avoid pin reversal The red tag of the cable is to match the triangle label 7 4 Calibration All trimmers 12 gauge trimmers i e 12 turns are needed to cover the entire range Trimmers P5 P7 P6 and P8 increase their parameters when 11 N N CHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 turned clockwise The feedthrough trimmers P1 P3 P2 und P4 are zero adjustment trimmers and should better be untouched 8 MODULE DESCRIPTION 8 1 Layout and functions Fb Stage A Mode A B A gt B 2x8 Mode A gt B 16 O Mode A gt B Fb Stage B Input B Input sel Fig 3 signal flow chart 12 N N CHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 Fig 3 shows the flow chart of all audio signals of PHS 28 All elements of controls and their regarding jacks were omitted for better clarity The principles of their operation will be explained as follows Input The audio inputs are s
13. frequency an angle of 180 or at multiples of it will be achieved that the amplitude response is interacting in effacements at these frequencies With each further 360 unit another notch frequency will come up So as many notches will be obtained as 360 units or twice as much stages are cascaded Exactly this is shown in the graphs And one achieved this by dial in with the regarding rotary switch Out Stage 12 and by mixing of the original input with the effect output at the regarding controllers Mix A 7 and Mix B 8 resp E g the topmost two graphs represents the amplitude and phase response at the second stage one 360 unit with exactly one notch at 180 phase shift here at 1 kHz And this frequency be shifted with the parameter Freq The upcoming notches by cascading further 360 units will be spread exactly symmetrically above and below the center frequency and the distance between the lowest and highest notch increases with every stage pair 360 unit The undermost graph at the 16th stage shows that the frequency of the lowest notch is 10 times lower than the center frequency whereas the highest one is 10 times higher The phase is shifted here at all by minus 2880 or 8 360 At least since now it becomes clear why such a large range of the parameter Freq 1 Hz 200 kHz is necessary when one wants to shift all notches in the two directions to below and up from the audible audio range 16 NNCHIPPMANN C
14. igned with nput A and nput B these are pure AC inputs The controller nput A 1 and nput B 2 are tied capacitively decoupled to their input jacks of the same name The controller attenuate the incoming audio between 0 and 1 Mix A Mix B The outputs Mix A and Mix are audio outputs they provide dependently on the position of the regarding controllers Mix A 7 and Mix B 8 resp the balance between the original audio input nput A and B resp and the regarding effect output of channel A and B resp The output level at these jacks is reduced by 2 5 dB 7596 This avoids internal overloads in certain routings and resonance settings St 8 A 51 8 B The outputs 5 8 A und St 8 Bare audio outputs they provide the clean effect signal of the regarding channel at their 8th stage The output level at these jacks is also reduced by 2 5 dB 75 in the same way as above Freq The influencing variables on this parameter will change the phase frequency That is the frequency where the phase shift is exactly the half of the total possible phase angle see below The controller Freq 3 affects both channels and provides a range from 1 Hz to 200 kHz This is necessary to achieve with 16 stages in the feedback loop with the undermost notch frequency 20 kHz or with the topmost 20 Hz respectively see below controller Det 4 detune affects only the phase frequency of channel B and achieves a detuning of 3 6 octaves x12 res
15. ition the original input A or B resp is audible and in full clockwise position the clean effect output is audible at the jacks Mix Out A or Mix Out B resp with a damping of 2 5 dB as mentioned above So in center position a 50 50 mix of both signals will be obtained Mode With this mousy but mighty switch both channels A and B can be routed in three different ways Words will fail sometime hence one should to melt this relationships in one s mouth by contemplate the Fig 3 1 A B par center position Both channels A and B are working parallel and totally independent in their audio paths For the Out Stage switch the upper number row is valid and for the Fb Stage switch the bottom row 2 2x8 down position Channel and B are serial routed which means the 8th stage of channel A is running into the input of channel B The outputs especially the Mix Out s maintain their paths The feedback stages for both channels are commonly selected by the rotary switch Fb Stage namely stages 20 N N CHIPPMANN 5 8 Series PHS 28 Rev1 01 Dec 2013 2 8 for each channel So the both channels seen as two 8 stage phasers are simply in a row however the input B is still kept active From the perspective of Input A the signal at the output St 8 Band at Mix B8 runs through the 8 stages of channel A 4 the selected stage by the Out Stage switch For the Out Stage switch the upper row of numbers is valid for each channel singularly and l
16. noise and in opposite to that really ugly and unaesthetic noise Although the noise output of the PHS 28 is pretty low we find its noise character is really terrific and that it will integrate in a very musical way into the incoming audio Believe it or not this fact has thus its price 21 N N CHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 9 TECHNICAL SPECIFICATIONS AND RATINGS 9 1 Specifications generally Input and output jacks mono jack sockets 3 5 mm 1 8 All input jacks provides a switching contact to ground Power supply 12 V 12 V polarity protection Power consumption typ 150 mA max 190 mA for both supplies 12 V Ambient temperature 0 C 55 7 32 131F Net weight module only approx 400 g max dimensions W x H x D 19 PU 96 2 mm x 128 5 mm x 47 mm Installation depth behind the panel 30 mm 9 2 Ratings Maximum input voltage at jacks 14 23 12 V Permanent DC voltage at jacks 14 and 15 are NOT allowed these are pure AC inputs Output noise at the stages phase frequency 1 kHz resonance 0 Stage2 125 uVrms 78 dbV Stage4 170 uVrms 75 Stage8 240 uVrms 72 dbV Stage 16 470 uVrms 67 dbV 22
17. or indirect of any kind however caused Liability is limited to the value of this product The general terms of business drawn up by Schippmann electronic musical instruments apply at all times 2 CE AND FCC COMPLIANCE STATEMENTS This device has been tested and deemed to comply with the DIN EN 60065 standards This device has been tested and deemed to comply with the requirements listed in FCC Regulations part 15 The device complies with EN 55103 1 and EN 55103 2 standards Because of the entirely analogue construction this device does not generate radio frequencies and will not interfere with radio frequencies generated by other electronic devices 3 DISPOSAL This device has been manufactured to RoHS standards in compliance with the requirements of the European parliament and council and is thus free of lead mercury and cadmium Notice This product is still special waste and is not to be disposed of through regular household waste For disposal please contact your local dealer or Schippmann electronic musical instruments 4 SAFETY INSTRUCTIONS BEFORE USING THIS PRODUCT FOR THE FIRST TIME PLEASE READ THE ENTIRE USER MANUAL THOROUGHLY 5 N N CHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 e PLEASE AVOID SHARP BENDING OF ANY CORDS AND CABLES e CORDS SHOULD NOT BE INSTALLED WITHIN THE REACH OF CHILDREN ORPETS e DONOT TREAD THE ENCLOSURE OF THE PRODUCT DO NOT PLACE HEAVY OBJECTS ON IT e BEFORE REMOVIN
18. ower one for the chain A to B For the Fb Stage switch consequently the lower number row is valid for both channels 3 AB 16 up position Channel A and B are serial routed in the same way as above The difference is the feedback loop for channel A The stages 2 8 of channel B will be feed back to the channel A s input here Thus the feedback loop involves the 8 stages of channel A the selected stage by the Fb Stage switch The feedback loop of channel B involves furthermore its stages 2 8 For the Fb Stage switch the upper row for channel A is valid and for channel B the lower one For the Out Stage switch the same as for 2 is valid Fb B This switch activates on or deactivates off the feedback loop of channel B anytime in all modes Input sel This switch selects the original signal at nput B or nput A A for the balance controller Mix This is useful the modes 2 or 3 when generation of a true 10 12 14 16 stage phaser from the perspective of nput A is wished because the output stages are those of channel B provided at the output Mix B To mix it with its original input namely at nput A Mix has to get nput Anow and not amp A remark to the noise topic Long phaser chains especially voltage controlled ones with lots of stages are noisy namely in the most cases more than filters Nevertheless the noise figure isn t the measure of all things Because there exists really musical and beautiful
19. p 12 The regarding control inputs for the phase frequencies are the jacks CVA CV A for channel A and CV CV B for the channel B with a sensitivity of 3 octaves Volt or a scale of 330 mV Oct respectively A bit yammy theory The following two pages shows 16 graphs Fig 4 They illustrate the amplitude and phase responses of a phaser chain at the stages 2 4 6 8 10 12 14 and 16 13 NNCHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 2 Stage 5096 mix Amplitude 20 6 00 20 00 40 00 60 00 80 0 10 100 1K 10K 100K 2 Stage Phase 0 00 90 000 180 000 1 10 100 100K M 4 Stage 5096 mix Amplitude 00 20 00 40 00 60 00 80 0 1 10 100 1K 10K 100K 4 Stage Phase 0 00 180 001 360 000 540 000 1 10 100 1K 10K 100K 1M 6 Stage 50 mix Amplitude 20 0 0 20 00 40 00 60 00 80 0 1 10 100 1K 10K 100K 6 Stage Phase 0 0001 0360K 0 720K 1 080K 20 008 Stage 50 mix Amplitude 0 0 2000 000 60 00 80 0 T 55 10 gt 17 200 1K E 10 gt 100K 8 Stage Phase 0 0001 0 360 0 720K 1 0801 1440K NASN CHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 10 Stage 50 mix Amplitude 200 g 10 Stage Phase 0 360K 0 720K 1 080K 1440K 1 800
20. r a voltage difference AV of 5 Volt is needed According to the position of the controller Reso a voltage of 5 volts will bring the resonance back to zero if the position is full clockwise and a voltage 5 volts will bring the resonance up to 10 if the position is full counter clockwise Emph This function determines the strength of resonance before self oscillation occurs The selective gain resonance continues to rise with constantly raise of the resonance until starting to self oscillate And the selective gain just before self oscillation can be set with the controller mph 6 common for both channels from very thin Emph 0 05 0 1 to very definite Emph 1 2 The amplitude of the self oscillation increases equally Fig 6 shall illustrate this fact a little 19 N N CHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 level dB fc 2 A start of Emph 0 05 3 self oscillation amplitude phase frequency Fig 6 amplitude of self oscillation at different Emph values The corresponding CV inputs are the jacks mph CV A and CV B To go fully through this parameter a voltage difference AV of 5 Volt is needed in the same way as for the resonance Mix The controller Mix and Mix B represents the weighting of the original input and the corresponding effect output in a linear way depending on the controller s position as hinted above balance In full counter clockwise pos
21. values greater than zero The possibilities are almost endless 17 N N CHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 4 Stage 50 itude Reso 0 3990 1 10 100 1K i 10K 100K 1 4 Stage 50 mix Amplitude high Reso 8 Stage 0007 10 lt 100 c TK TK 100K 4 Stage Phase high Reso 8 Stage 270 0001 360 000 450 0001 540 0001 630 0001 2740404 10 100 1K TOK F Fig 5a amplitude and phase response without and with resonance Figure 5b shows from top to down the amplitude response at the 2 stage 50 50 mix without resonance the amplitude response at the 2 stage at high resonance at the 12 stage and at last the corresponding phase response at the 2 stage 18 N N CHIPPMANN CS 8 Series PHS 28 Rev1 01 Dec 2013 2 Stage 50 mix Amplitude Reso 0 390 1 10 100 1K 10K 100K 5 1 2 Stage 50 mix Amplitude high Reso 12 Stage lt 100 TK m TK 100K 2 Stage Phase high Reso 12 Stage 90 0001 180 0001 270 000 ddnde 360 000 26040 10 100 1K 10K 100K M F Fig 5b amplitude and phase response without and with resonance The controller Reso 5 allows a range from no resonance Feso 0 up to self oscillation Reso gt 6 The corresponding CV inputs are the jacks Reso CV A and Reso CV B To go fully through this paramete
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