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??sT1600,1 USERMANUAL S T 1 6 ( ) OS E R l E S I N T R O D U C ITO N The D e R ST 1600 series master recordlng consoles h a v e b e e n d e s i g n e d t o b e t h e m o st t e c h n o I o g i c a | | y flexible and englneercost'effective, sophisticated, recordlng console. oriented production part of the console has been The cost-effective realised: (1) By not uslng a very expenslve often troublesome but using our connector module construction, on wel I known 8-channel in/output construction one single front panel. (2) To choose the most advanced american way of console set up in which channel and group sections are c h a n n e| . c o n s o I i d a t c d I n t o o n e I n p ut / 0 u t p u t (31 By not uslng the very cxpenslve telephone goldplated patchbays, but to construct our ohrn patchbay. (4) To use the latest techniques ln lntegrated clrcult des'lgn. lt allows a rcductl'on ln thc number of and rcduclng components (so: increas'lng rellablItty deslgn of clrcult costs, an i'ncreas'ed sophls'tlcatlon and an overal I performance whlch ls unl lkely to be bettered for many years). signlflcantly STANDARD F E A T U R E SO F T H E C O N S O L E - 0n each channel two parametrlc overlapplng e q u aI I s e r s w l t h c o n s t a n t A . - 0verload l'ndlcators wl th memory device on every c h a n n e| . - Compact slze and grouplng of functlons to al low a complete mlx to be made wlthout the need to movs from the centrel I ne of thc consol e. - Hlghly loglcal label led lay-out and clearly functlons. - Del lvered ready for I nstant I nstal latlon wl th Amphenol multlway plugs and sockets. hlgh'quallty The plugs are supplled ln advance. - Performance spec I f I cat lon equt I to or better than those of any other deslgn ln thls price. COilFIGURATION ln whlch The console fol lows amerlcan practice channel and group sectlons are consol ldated Into one has several I nput/0utput channel . Thls configuratlon I nherent advantages: - Tlme spent transferrlng the console between the varlous modes can be almost cl tmlnated. - Yhcn chengI ng from rGcord lng to ovcrdubb I ng, cue wlthout eny lcvcl modlficatlon. systems remaln avrtlablc (lI ST 15OO SERIES - - Permanent fader and cue control al lows an easy up to the last remix state without setting having of al I the to repatch and time consuming resetting control s. There is much le ss waste of space and functions, many of which are essential ly dupl icated in the rrEuropean" conf i gurat ion. A great deal of thought and design detai I has gone designation of function and into the lay-out, ergonom i cs of the conso I e. P H Y SI C A L D E S C RI P T I O N The gg!:g!g i s extremel y compact, bui l t on bol ted aluminlum and wood, finished wlth mahagony. lt ls suppl ied complete wi th producers table and mounted on rigid steel legs. Al I connections are made using mul tipin Amphenol connectors; the male connectors are supplled ln advance ls then a matter of mlnutes. for prewi rlng. lnstal latlon The dggign has been consol ldated into three basic module, the master module modules, the Input/0utput p a t c h b a y . and the is 48 Volts Phantom powering for standard. capacitor microphones to the highest standards, The D s R consoles are butlt using high qual lty components, glass flbre prlnted and f lrst boards, selected lntegrated ctrcults clrcult qual lty and rel lable swltches to the prlnted Al I components are mounted dlrectly boards whlch are mounted to the control comPonents' circuit so avoldlng al I the trouble associated wfth cheap plug-in systems. to channel s are wi red directly Al I the lnput/output each other and to the master module. Separate pow'er leds, Phantome suppl ies for the integrated circuits, powerlng and reed relays are taklng care of cl lck-free functioning. the power suppl ies are of a wel l-proven Al I wel I smoothed and short ct rcu I t protected. design, (2) ST 16OC SERIES G E N E R A L F E A T U R E SA N D E A S E O F U S E Mention has been made earl ier of the ergonomic The guiding principle aspects of the console design. e a c h o f the functions a recording has been to examine performs and to design the console to help engineer as much as poss i b I e wl th each of them. The console has basically three major states, these are normal ly: - reco rd - rep I ay / sync. - remi x RECORD Al I channels are set to accept mlc or I ine level ls set to channel slgnals. The channel mode select or group. Ful I equal tsation ls aval lable, stereo headphones cue and 4 aux sends, al I pF€, mute or post swi tchabl €. Rout i ng to other channels or directly to the master i s selected by the rotery routing control s. pot feeds. the multltrack The multltrack machlne by way of the patchbay, and VU-meters are connected post patchbay to the multitrack inputs. The solo switch gives the abll ity to I isten to wlthout disturblng a selected channel in lsolation c u e s e n d s o r o t h e r m aI n c h a n n e l l n p u t s . The mute swltch performs both on the multl track output and main channel slgnal path so no signal ls coming out of the channel however the solo switch can stlll be actlvated. T h e c h a n n e I f a d e r s e t s t h e I e v e l f o r m o nI t o r I n g Purposes. R E P L A Y/ SYNC. to do is to $wi'tch the channel The only thing recorded multltrack of the already to sync mode selector to the i nF,ut selector to remix channel or to switch r e m i x u p t h e s t a t e . b u i l d i n g a l r e a d y start All cues are keeplng the same level neither the p a n p o t n e e d s a I t e r a t I o n n o r t h e c h a n n eI f a d e r . T h e rotary routlng controls are set to the mHster. The channel can also be set into the sync. mode by means of a reed relay, whlch ls remote control led ln the master module, when many channels are to be recgrded at the same tlme. (3) ST 16OO SERIES R E MI X Al I the i nput sel ectors are set to remlx and chanhel mode selectors to channel. When no subgroupl ng I s necessary the rotary rout I ng control s are selected to l'{aster. REI{IX + RECORD A mixing sesslon very often involves overdubs as wel I el ther before the remix ls started or because of a sudden change of mlnd by the producer In the mtddle of a sesslon. ln such a ca3e the console has to be changed from remlx to record state and back again ilost of the already recorded channels are In the s y n c . m o d e o n t h e c h a n n eI s . T h e s I t u a t I o n I s a 3 follows: - Connect the artist3 microphone to the mlc Input of the overdub channel. - Set the channel modc aelector on channel, and feed machlne 6y way of the multltrack the multltrack level control. - Actlvate the sync. remote swltch of the sync. re?9 relays tn the master module and the arti st as wel I to thc new lncomlng as the englneer can I lltcn ( A l m o s t multltrack' recordcrr t o d a y s a l l slgnal. are glvlng the tnput stgnal at the outPut when not I n rep I ay or sync. modc)-. - As soon as the multltrack lt wlll machlne starts the point 9f drop-ln, glve the sync. slgnal untlll it that point the machlnc glves - when lt qoel Into. record - lts Input slgnal at the output and thc artlst and englneer can monltor the new recordcd slgnal'- When the record button ls released the taPe slgnal c o m e s o u t o f t h c m o nI t o r a n d c u e a g a I n u n t I I I t h e next drop- | n Pol nt. Another !{ay to do lt I s es f ol lows: - When the multl track machlne only glvcs the replay and not the or sync. at its outPut termlnals, Input slgnal. - Coirnect ifre artlst to a spere channel, glve thc artl3t I a n d t h e e n g l n e e r h l s m o ni t o r s l g n a c u e I o w n h s signal, and route thc new slgnal to thc overdub chinnei whlch has to be ln the group mode. - lluI t I track I evcl has to be set correct I y by the level control. multltrack (4) sr 1600 sERlEs - The remote sync. switch has to be actlvated, and the s y n c . s i g n a I c o m e s o n t h e c u e a n d t h e m o ni t o r i n g I n the overdub channel. - As soon as the machlne goes into the record state the record record the new slgnal until It wlll button is released and the sync. slg.nal comes again o n t h e c u e a n d m o ni t o r i n g u n t i I t h e n e x t d r o p - I n polnt. This way of making overdubs has the advantage can monltor himself whlle the multlthat the artlst track machine is in the sYnc. mode. machlne When thls set-up ls used with a multitrack that always glves lts lnput rlgnal at the output when not I n the replay/ sfnc. mode, a r i se of 3 dB In cue Eecause the machlne also glves level ls lnevltable the nelt to be recorded lnput slgnal in thc cue system. The only way to overcome this ls to change the m uI t i t r a c k m a c hI n e o r t o t u r n t h e I e v e I o f t h e c u c down on the sPare channel at the moment of drop-in. @: A t I t h e o t h e r c h a n n e I s h a v e b e e n c o m pI e t e I y u n a f f e c t e d there ls no danger of chang€3, mlstakes or the feel Ing that the remlx has been altered ln some way. IN SUBGROU PG to subgroup inPuts onto it is desirahle 0n occasion as p r o c e s s t h e sound further one or two busses to a g roup . the D 6 R console has the un i que f ac I I I tY To do thls a u dio subgrouPing. p a t c h f r e e of When the rotary rout lng control s are 3et to group the channel I s freed from thc master stereo busses, and can be routed to any of the 16 grouP amplifiers l6 channels In stereo or mono. ln the flrst situated The fader on each channel that has been routed to in this Dray becomes a subgroup fader when the channel is set ln the group state and the rotary/ mode selector routing controls to master. Whcn lt ls desl rable to subgroip this subgroup agaln tt ls only necessary to f rec ttrt outputs -gain f rom.the stereomaster busses and to process the slgnal further It is also possible to use the grouP ampllflcrs completely tsoiated from the channel on whlch i t ls located, tire output of the ErouP amps are connected to the patchbay ag well, When thls 9ro,uP outPut ls patched (5) sr 1600 sERtEs into the I ine amp of a spare channel or patched inputs, you can group directly to the multitrack any number of channels anywhere in the console. This allows enormous flexlbllity The main features of should by now be clear. of controll the desk and its advantages modules are 0n the next pages the individual Their lay-outs make them largely described ln detail. self explanatory as can be seen from the i I lustratlons but there are a number of poi nts that deserve expanslon. I N P U T S E C TI O N A contlnuously verlrblc mlc galn control ls provlded to al low exact sterco fadcr I lne-up cltmlnatlng A conttnuous I lnc galn control logarlthmtc crrors. al lows the matchlng of non strndard Input dcvlccs and resculng of mlgrccordcd mul tltracks. The lnput to the channel ls control led by a rteppcd swl tch allowlng connecti'on to a mlcrophone, I lne devlce o r tape/ sync . re tu rn . wil I accept slgnals of 0 dBm The mlc preampl lfier and del lver them at +22 dBm with no pad in the clrcult typlcal. A swltchable wi th less than 0,1 t til distortion 20 dB pad is provlded. for aEnormally hlgh inputs a3 well as a phase reverse switch. noise figure, measured wlth a The preampl lfler 2 0 0 o h m t n p u t load, is -127,5 dB (measured standard true RllS 20 Hz - 20,000 Flz). T h e n o mi n a I o u t p u t I e v e I i s - 5 d B m . T h e h c a d r o o m o f ls 28 dB above -6 dBm; more than the preampl lfler stage. enough fn thls crltlcal (6) ST 16OOSERIES E Q U A LI S E R sophisticated a highly The module incorporates 2 band parametri c equal i ser as wel I as the standard of pr.oven design. controls high and low frequency The high frequencY boost or cul variable gives a continuously control of 18 dB at 15 Khz (other with a shelving curve. frequencies optional) g h d h i m i The P a r a m e t r i c e q u aI i s e r h a s a r a n g e hz and the mtd-low equal lser 80 hz 1 0 , 6 0 0 t o of 300 to 1600 hz. the These two sweeP equa I i sers are mid band in the tone controle f ul ly overlaPPing stage. Continuously variable frequency se'lection and boost or cut of 18 dB provides proper equal i sation f o r a I m o st a n Y d e s I r e d e f f e c t . g i v e s a c o n t n u o u sI y The low f requency control 1 8 d B at 50 hz w th a o f c u t o r b o o s t variable ( o t h e r optiona ). r e q u e n c ies f c u r v e shelving can range from t!e most gentle The equal isation lt can of notch f ilters. to the aimost equivalent l n d ependentl:y effects flanging even he used to provlde on every channel of the console. An equal iser on /of f sw'ltch i s pr:ovi ded to bypass gain ls ofan unity The equal isgr the equal iser clrcuit. h e a d r oom a n d s e p o s s t E l e n o i b e s t t h e del lverlng design, performance. is 28 dB and nolse Headroom above nominal level 1 0 0 d B t Y ' P l c a l . is below C H A N N E LS T A T U S The channel mode sel ectorq hare three 'states: (l) Channel T i . T F T ; s t a t e t h e w h o I e c h a n n e I a c t s a s a n o r m al ' c h a n n eI . (z) Svnc. every'th i ng s i tua ted EeI ow th i s state ln this to Process the sYnc. shritch is only ln clrcuit machi'ne. m u l t i t r ack t h e outPut of signal (3) Group state n this to n circuit situated everything si'gnal t h e process below further is onlY which s c o m i n gf r o m t h e o u t p u t o f t h e g r o u p a m p l i f i e r s . (7') sr 1600 sERtEs CUES There separate with are six Cue sends, allowing up to foldback mixes or four echo sends Stereo cue panning. I s a permanent Al I cues are swi tchable state in the mlddle. stereo pre or four at once. headphones post wi th feed a mute R O U TI N G When the two rotary rout I ng swl tches are I n the master posltion the slgnal, coming from the pan-pot goes dl rectly to the master stereo busses. t{hen I t ls necessary to subgroup the s Ignal It ls only necessary to swttch the routlng controls t o t h e d e s i r e d s u b gr o u p . The Pan-pot pans the slgnal between any odd numbered and any even numbered busses choosen by the rout i ng swi tches. Both routing swltches have a mute state. I ,U 1 LTITRACKS The ilultitrack level pot feeds the multitrack machlne wl th a signal comtng from the channel mode selector. lt is wired to the patchbay and post-patchbay connected to the corresponding multitrack . it ls Input on the multipo.le and VU meter. l,lhen.it is necessary to repatch to another channel or group output VU meter goes with it. the multitrack lnput the correspond i ng F o r e a s e o f u s e t h e m uI t i t r a c k V U m e t e r o n I y r e a d s the lnput stgnal and not the output signal comlng from the multitrack because thls level doesnrt need control it only l,lostly again. is confusing. it is correctly recorded and (8) SOLO f. MUTE The solo switch gives the abi lity ro listen in isolati on wi thout processing. performs on both the mul ti track fader, so no signal is further solo swi tch can sti I I be to a selected channel di sturbing any signal The mute swi tch output and channel processed only the activated. OVERLOAD The overload indicator is of an digital design The uni t incorporates a short term peittrot a faci I i ty, so that even very fast peaks actuate I t Because of these features one can be perfectly confident that there is no posstbl I i ty of an overload at any point in the module. C H A N N E LF A D E R The channel fader is a 100 mm carbon track aud iolog instrument with a n lce feel tn hand when it ls moved along tts precisely lndicated dB scale. I ' I A S T E RP A N E L 0nce aga in most functlons are aPparent from the illustrations. a re exp I a I ned below. l . { a st e r Cue Aux g roup immediately The f iner points sends These controls take care of overall level gdjustment of the stereo headphones cue and the 4 aux sends. The so lo swl tch enab I es aud lo and v I sua I control of the slgnal. The four aux master controls have the I r own VU meter i ng. The Program sw.itch assoctated wi th the Cue master control s enables the enqlneer to interrupt the normal cue mlx and to replace it with the stereo mix. Thts ls useful when a separare cue mix is not needed. lt is .rlso very practical to glve the musicians the complete control room monitor mix after recordlng or dubbing. So the timespent runnirrg from studio to control room is avolded wlth thls fiature. (g) ST I5OO SERIES Control RoomMonitorlng Overall leveJ control is a function of the master stereo fader and the Control Room level control. The Monitors normal ly fol low the stereo master output or the solo buss however by selecting one o f t h e m o ni t o r s o u r c e s w I t c h e s . 8 S t e r e o s o u r c e s are avatlable as shown on the tllustration. The al ternative swltch transfers the monitor feed to the lnterna | | oudspeaker for I ow quaI I ty monltorlng. Dlm Swltch A Dlm Swltch lr provldcd to mom.ntrrt ly lowcr control rogm monttor lqvrlr to fecl I ltrtc conv!rrrtlon wlthout lollng prGvIour monttor levcl r.ttlngr. n @ r n d m o n o mI x t t . lt provldcd to comprr. rtlreo rrr provldrd for oprlrnlrlng - @ lcvcl on thr mrrtcr output burrat, For e'xrmplol I f a mlx hrr drvgloptd trtl rfrctorl ly but thc ovcrrl I lcval lr too hlgh, tho trlmpotr crn be ursd to rttenu.t! r I I c h r n n cI r u p t o 1 5 d B , Slmllrrly a boott of up to 15 dB cln bc glven to en und:rmsdulctsd nlx. Ssle lcd T h l s l c d I n d l c r t c r w h c n r o m e w h o r eI n t h e s o n r o l s Thlr lr v€ry uroful when a solo rwltch lr rctlvrtad. rololng on rubgroupr, The led lndlcater that lt lr e rubgroup the cnglnrcr lr I lrtentng to and not thr matttr. 0rcl llrtor Thc orcl I lrtor lr of r dtgltrl C. f{ot dertgn rnd glvcr r hlgh rtrblc rlnur rlgnrl. Thcrs lc ! contlnuourly vrrlrbla output control f r o m 0 t o + 2 0 d B m . T h c f r c q' 5 u0 .ncy rr,{srpcontrol rl lowr ceiy frcqusncy chcskr from hl to I 5,000 hz wlthln I dB. Thc on/of rotrry rwltch rctlvrt!f two rtrtrr, !{hcn rwltchcd to Ttllc Brek lt lr por!lbls to hrvr thc TB-clgnrl dlrcctly on thc multltrrck outputr tr wcl I r3 ths !tcrromrrt.r. Whcnrwltchcd to Tonc thc orclllator rlgnrl gorf dlrcctly on ths Multltrrck outputr rnd tha rtgrao tntftar. In both strt.r thc dlm twttch lr rctlvrtsd to rvold rn lrrltrtlng C R l l l c v c l a r w s l l r r h o w ll n g r o u n d . (r0) ST 16OO SERIES Ta I k Back are bui I t into the console; Two ta kback ampl ifiers mic, the other has transformer 0ne wi th ts own talkback nputs for commun.ication practi se. ba lanceC to Studio button allows the producer/ The Talkback the talkbaek signal into the stereo to insert engineer the cue mix. cue summing busses; it is interrupting control i: out of use when the The Cue master level level is pressed, only the talkback button talkback control is in circuit. i s act i vated When the Ta I kback from Stud i o button aio comes on m a talkbact possible the solo buss making easy conversations and engineer/producer. between musicians Power Supply transformers three separate The power supply contains plus and minus 18 Vol ts for the integrated supplying cI rcui ts plus 48 Vol ts for the phantom powering and meter and 24 Vo ts for the phase correlation ancil ary equlprnent. power supply circuit isolated A completely in for the reed is built r e t u r n e a r t h o w n with its anY clicks. relays and the leds, so avotding Al I three suppl ies are of a short ci rcui t protected to supply current design, well smoothed and a capacity channel confiEuration. for a 32 in/output (11) ST 16OO SERIES S P E CI F I C A T I O N S - - The headroom of 28 dB is maintained throughout the enti re console and represents a cl ip point at a genuine 22 dBm. not reach the 0 rA1Z typical. will Distortion 0 ,5 dB in the Frequency response is within f requency range of 20 - 20r000 hz on all line level in- and outputs. The f requency range on the mic inputs is within +2 dB in the range of 40 - 2A, 000 h.z, OVERALL I 0 u t p u t i m p e d a n c e I O t r mm a x i m u m . M a x l m u mo u t p u t l e v e l + 2 2 d B m i n t o al I outputs. Bqe:(point: I - output lnpirt 500 Ohmon imp.8 Ohm, imp. 10 k0hm, level -6 dBm. 8 4 d B, H a x . g a i n t h r o u g h d e sk : Line level: -26 dB to +40 dB. 0 VU represents a genuine +4 dBm as standard practlse. (rz) 'll .1Cl Praa -o post 3 a C.5 a o 1 5 7 r 11 1i o o maater o rroht - 4 '9 e ' a .cl O o o 1 6 4 14 O ' r 1? ,lo c a a o a a .O. a a oFl L. P* __ a a a o o .O. a a o o o 1 C l qjlt.c"gck __ o muce c overload c golo o o 5 5 1e '12 15 15 18 1A 22 ?? 27 o ?7 35 35 talkback f rom rtudro 45 45 50 c 50 talkbeck to o Sync --I .:ocal o f f - 9 --.J -.ttt" o o a ' o " '-l .l r! "l L. .Ft I I I Pan o3' r'l ' 'l ? ' ' J | o' |I cue '.o ore I H - post a o t a a '?' a l . o. avrl | I H .'to O"' studio 4 1)? . L ) 5 6 B 7 g 10 ll 12 13 14 15 o o o o o o oo o o o o oo o o o oo o o oo o o oo r- ooo o o inputs ooo o o insertion ooo o o extern equipment in ooo o o extern equipment out ooo o o insertion out in o o o oo input o o o "oo neturn o o o oo o o o oo o o multitrack feed oo.]- o o multitrack ooo o o multitrack ooo o o group 1 z 3 4 r'1 r nlt OFrrr'O I a outputs aux o5c h#j.T, C!---{) C)---Q Or-O Or€ OI- O - OF OH T O- OF - - O O C)-- OFrrrO Ot-----O Ot----{O Oh---€ ex t . kI IT + l.v U lL ffi lo'- O--O"'--'--0 Or-O O--O @.l{ OF---€ O---'O H 6--.---9 eq,/monitor source l-T-l I o patcti 2 remix lines fazelsol I stiidio 45678 123 OF--O studio ?- I I t> 9-O O--O- I r cue lt n1,",1E E o o outputs g--rl4 FO-'O o o ooo t 16 3 4 5 6 7 8 9 aux b'ay 24 ma s' p r o d u c e r s ter tab I e (13) ST 16OO SERIES METERING t he The following ccnsole: - 1 6 l , l uI t i t r a c k 2 Stereo standard metering is built into VU-meters . master output VU-meters. 4 Aux send VU-meters . ( p p l u , to p r i o n a l ) 1 vu-meter to rhe s o l o b u s s f o r c h a n n e l l e v e l " o uppulrepdo s e s . Phase correlation met er, MECHAN I C A L S P E CI F I C A T I O N S l.of Jfcttt (14) ST 15OO SERIES O P TI O N S To. complete !h" concept of maximumflexibi I i ty, a number of options and accessoi res are avai lablefor the console. - Any 8 channel conflguration 16, 2\, 32, 40 channel s. such as: - 0ther turn over frequencies on high and low frequency controls, even switchable as well as other sweep frequency ranges on the mid controls. - High and low pass switches. - Variable high and low pass f ilters are optional as an extension unlt, such as Compressor/Liniters. - Custom Faders. - U p o n r e q u e s t : P P Mm e t e r s u r iI I b e s u p pI i ed i nstead o f t h e n o r m aI V U - m e t e r s . - A d di t i o n a I p at c h p o i n t s o n t h e p a t c h b a y . - A d d i t i o n a I m o ni t o r l,taster module. source swi tches on the - Producers desk can he fi tted wi th facllities, remote Dtm, redlEreen an ashtray. remote Talkback light, as well as - The upper part of the producers desk can be fitted wi th ful I remotes for the multitrack tape machine and for nolse reduction unlts, echo remotes, varispeed, etc., etc. - .F,-; 0 .r. rf. -, ln accordance with our contlnulng pol ?cf of product improvement and development we reserve the right to modlfy or change deslgns w'lthout prlor notice. ( t s) ??sT 1600?? SERVICE MANUAL I vi jI cul rtl o o D |r I p \o E J r|l d (o z P t b ta) l- z -- 4, T J j \) I 1 I l-ri '?E 'N 'I J ,i? F F, O u E 4 E F- -o- f-r E ct u ct I I a I flt9 Fl.. 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