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Owner’ s Manual X-Series ™ Rack Mount Mix ers X 18R ™ / X 20R ™.
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1 Sav e the carton and packing mate - rials! Should you ever need t o ship the unit, use only the original factor y packi ng. For replacement packaging, cal l Crest Audio’ s Customer Ser vice Depar tment directly. 2 Read all documentation befor e operating your equipment.
Intended to aler t the user to the presence of uninsulated “dangerous voltage” within the product’ s enclosure that may be of sufficient magnitude to constitute a r isk of electr ic shock to persons.
Impor tant Safety Instructions W ARNING: When using electr ical products, basic cautions should alwa ys be follow ed, including the following: 1. Read these instr uctions. 2. K eep these instr uctions. 3. Heed all war nings. 4. F ollow all instructions.
Wichtige Sicherheitshinweise ACHTUNG: Beim Einsatz von Elektrogeräten müssen u.a. grundlegende V orsichtsmaßnahmen befolgt werden: 1. Lesen Sie sich diese Anweisungen durch. 2. Bew ahren Sie diese Anweisungen auf. 3. Beachten Sie alle Warnungen. 4.
Instructions Impor tantes De Securite A TTENTION: L ’utilisation de tout appareil électr ique doit être soumise aux precautions d’usage incluant: 1. Lire ces instr uctions. 2. Gardez ce manuel pour de futures références . 3. Prétez attention aux messages de précautions de ce manuel.
Instrucciones Impor tantes P ara Su Seguridad CUIDADO: Cuando use productos electrónicos, debe tomar precauciones básicas, incluyendo las siguientes: 1. Lea estas instr ucciones. 2. Guarde estas instr ucciones. 3. Haga caso de todos los consejos. 4.
4 1 2 3 Master Section P .32 Aux masters, groups, main outs, monitor section. Front panel controls and rear panel connectors. Stereo Input Channels P .
X 18R ™ / X 20R ™ Owner’ s Manual p. 10 X 18R/20R Block Diagram.
How T o Use This Manual Format T h is ma nu al us es a f orm at th a t i s i nt en de d t o b e e a sy to re ad , ye t t e c h n ic al en ou gh f o r t ho se w h o n ee d t o k no w a ll th e d et ai ls .
Mono Input Channel 1 X 18R ™ / X 20R ™ Owner’ s Manual Module Block Diagram Controls p. 12.
Fr ont Panel Features Mono Input channel features are identical for both the X 18R and the X 20R. The X 18R has 14 Mono inputs and the X 20R has 12 Mono inputs. Line Input (Mic Pad) With this switch in the UP position, the input preamp circuit is set up to accept a m ic -l e v el s i gn al .
Mono Input Channel 1 p. 14 X 18R ™ / X 20R ™ Owner’ s Manual Module Block Diagram Controls.
Front Panel Features Equalizer (EQ) M an y a ud i o s ig n a ls co m i ng in t o th e c o ns ol e r e qu ir e s o me de g r e e o f c o r r ec t i v e EQ in o r d er to be par t of a good-sounding mix. The X 18R & X 20R offer a ver y useful and great-sound - ing EQ section on each channel.
p. 16 Mono Input Channel 1 X 18R ™ / X 20R ™ Owner’ s Manual Module Block Diagram Controls.
AUX Send Features Six auxiliar y Sends are a vailable for creating individual output mixes. These can be used to drive effects processors, pro vide monitor mixes, create broadcast or alternate sound reinfor cement mix es, or for other special requir ements.
p. 18 Mono Input Channel 1 X 18R ™ / X 20R ™ Owner’ s Manual Module Controls Block Diagram.
Bus Assignment Featur es T he bu s a ss ig n me nt s e ct io n o ff e r s c on s id er ab l e f le x i bi li t y fo r cr ea ti n g w ha t e v en t ua ll y b ec om e s th e m a i n o ut p ut mi x . T w o s te r eo s u bg r ou p s ar e a v ai la b le f o r c r ea t i ng su b m ix es o r separate stereo mixes.
Mono Input Channel 1 X 18R ™ / X 20R ™ Owner’ s Manual Rear Panel Block Diagram Connectors p. 20.
Mono Input Channel 1 Rear Panel Features 48 V P hantom P o wer + 48 v ol t s DC is a pp l i ed eq u al l y (t hr u c ur r e n t- li m i ti ng r e s is to r s ) t o b o t h p in s 2 a nd 3 on the mic-input XLR connector .
Stereo Input Channel 1 p. 22 X 18R ™ / X 20R ™ Owner’ s Manual Module Block Diagram Controls.
Fr ont Panel Features The Stereo Input channel features are ver y similar to the Mono Input channels. The X 18R has 2 Stereo inputs, and the X 20R has and 4 Stereo inputs. On both models, the Stereo inputs are l oc a te d t o t he le f t o f t h e m as t e r section, and to the right of the Mono inputs.
Stereo Input Channel 1 p. 24 X 18R ™ / X 20R ™ Owner’ s Manual Module Block Diagram Controls.
Fr ont Panel Features Ster eo EQ The Stereo Input channel has two parallel EQ circuits that are controlled by the same set of knobs. High Fr equency — HF Boost / Cut 15 dB boost and cut. Shelving @ 12 kHz. High Mid— HM Fr equency Continuously sweepable between 400 Hz and 8 kHz.
Stereo Input Channel 2 X 18R ™ / X 20R ™ Owner’ s Manual Module Block Diagram Controls p. 26.
AUX Send Features Six auxiliar y sends are a vailable for creating individual output mixes. These can be used to drive effects processors, provide monitor mixes, create broadcast or alternate sound rein - for cement mixes, or for other special requir ements.
Stereo Input Channel 2 X 18R ™ / X 20R ™ Owner’ s Manual Module Block Diagram Controls p. 28.
Bus Assignment Features The bus assignment section offers considerable flexibility for creating what eventually becomes the main output mix. T w o stereo subgroups are available for creating submixes or separate stereo mix es.
Stereo Input Channel 2 X 18R ™ / X 20R ™ Owner’ s Manual Rear Panel Block Diagram p. 30.
Stereo Input Channel 2 Rear Panel Features +48 V On +48 volts DC is applied equally (thru current-limiting resistors) to pins 2 and 3 on both the L & R mic-input XLR connectors.
Master Section 3 X 18R ™ / X 20R ™ Owner’ s Manual Module Block Diagram Controls p. 32.
Master Section 3 Fr ont Panel Features The X 18R & X 20R ha ve a comprehensiv e output section, including meters, master level controls and a flexible group assignment section. Headphone Control Section In normal use , the headphones are used to monitor the Solo system.
Master Section 3 X 18R ™ / X 20R ™ Owner’ s Manual Module Controls Block Diagram p. 34.
Fr ont Panel Features 12 V Lamp Jack A T N C ja c k is a v ai la b l e f o r a tt a c hi ng a g oo s e- ne c k la mp . T he ce n te r c o n ne ct i o n i s 1 2 V olts DC and the outer connection is ground. A medium or high-intensity incandescent or LED 12V DC Littlite can be used.
Master Section 3 X 18R ™ / X 20R ™ Owner’ s Manual Module Block Diagram Controls p. 36.
Fr ont Panel Features AUX OUT 1-2 Lev el Control This is the master stereo output lev el control for the AUX 1/2 pair . Aux 1-2 AFL This button assigns the AUX 1/2 stereo pair to the solo system. Since it is AFL, the signal is monitored after the AUX insert and master lev el contr ol.
Master section 3 X 18R ™ / X 20R ™ Owner’ s Manual Module Block Diagram Controls p. 38.
Fr ont Panel Features GROUP Assignment Section T he X 1 8 R a nd X 20 R o f f er a fl ex i b le gr o u p a ss i g nm en t a rr a ng em e n t. E a ch of t he f ou r Gr oups can be directly assigned to Left, Right and Mono buses, in any combination.
Master Section 3 X 18R ™ / X 20R ™ Owner’ s Manual Block Diagram Controls p. 40.
Front Panel Featur es MONIT OR Output Section T he X 1 8 R a nd X 20 R o f f er a n e xt e n si v e m o n it or i n g s ys t e m w hi c h ca n b e us ed f or s e v er a l alternate mix and remote listening purposes. The main L/R & M mixes, the Groups, Auxes 1&2, the T ape IN, and the Solo system can all be routed to the Monitor outs.
Master Section 3 X 18R ™ / X 20R ™ Owner’ s Manual Block Diagram Controls Module p. 42.
Fr ont Panel Features MONIT OR Output Section SOURCE SELECT T he So u r ce se l e ct po rt io n o f t he M on it o r sy st e m al lo ws y ou t o a ss i g n t he p ri ma ry m ix buses to the Monitor outputs. NO TE: All buses are monitored pre-fader (post-inser t) NO TE: All selected sources are added (summed) together .
Master Section 3 X 18R ™ / X 20R ™ Owner’ s Manual p. 44 Block Diagram Controls Module.
Fr ont Panel Features Mono PK/SIG LED Green/Red - Flashes to indicate the Mono master level. Green during normal oper - ation and red to indicate ov erload either at the mix amp or at the fader . Left/Right PK/SIG LED Green/Red - Flashes to indicate the summed Left/Right master levels.
Master Section 3 X 18R ™ / X 20R ™ Owner’ s Manual Block Diagram- Groups Main Outputs Bus Inputs Block Diagram- Main Mix Buses p. 46.
Master Section 3 Rear Panel Features Left, Right and Mono Bus Inputs These three female XLRs are used to bring external signals directly into the Left, Right and Mono mix buses. Useful for linking multiple mix ers together or to introduce addi - tional signals into the main mix.
Master Section 3 X 18R ™ / X 20R ™ Owner’ s Manual Rear Panel Block Diagram p. 48.
Master Section 3 Rear Panel Features Aux Insert 1 Thru 6 This switching 1/4” TRS jack allows an external processor or EQ to be inser ted into the si gn al p ath of t he Au x ci r cui t. 1/3 Oct a v e EQ s or f ee db ac k su pp re ss or s ar e co mmo nl y used here if the Aux send is used for on stage monitors.
Master Section 3 X 18R ™ / X 20R ™ Owner’ s Manual A C Inlet Information And W arnings Solo Link Connectors Tie Mix ers T og ether Block Diagram- T ape Input Block Diagram- Alt And Monitor Output p.
Master Section 3 Rear Panel Features T ape (Line) In The Left and Right T ape inputs are available as both 1/4” TRS and RC A jacks. Both sets of inputs can be used simultaneously , (the signals will add together). The TRS jacks are balanced, +4 dBu inputs and the RC A jacks are unbalanced -10 dBV inputs.
Connector Pinouts Le vels And Info Connector Pinouts Main P anel p. 52 Specifications 4 X 18R ™ / X 20R ™ Owner’ s Manual.
Specifications 4 Specifications Fr equency Response +0/-1 dB 20Hz-20kHz ref 1 kHz (an y input to any output) THD an y output < 0.01% THD 20 Hz - 20kHz@ +15 dBu out Noise mic ein: better than –128.
User Notes 5 X 18R ™ / X 20R ™ Owner’ s Manual p. 54.
User Notes 5 p. 55.
X 18R ™ / X 20R ™ Owner’ s Manual V ersion 1.0 August 2008 Crest P/N 31700059 Crest Audio 5022 Hwy . 493 North Meridian, MS 39305 www .crestaudio.
Een belangrijk punt na aankoop van elk apparaat Crest Audio X 20R (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Crest Audio X 20R heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Crest Audio X 20R vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Crest Audio X 20R leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Crest Audio X 20R krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Crest Audio X 20R bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Crest Audio X 20R kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Crest Audio X 20R . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
