Sound Performance Lab 2485 manuale d’uso

Model 2485 Manual Gol dM ike Mk 2 Dual- channel microphone and instrument preamplif ier 48 V Clip Limit AD OVL 2 S o u n d P e r f o r m a n c e L a b VU 7 5 3 1 0 3 5 0 30 50 70 % 20 10 100 Gold Mike Mark 2 Model 2485 Dual Channel Microphone, Line & Instrument Preamplifier -26 6 -10 -12 -14 -18 -16 -20 -22 -24 -25 -9 -8 -6 -5 -2.5 0 2 3.5 5 5.[...]

2 GoldM ike MK2 Manual GoldMike MK2 Model 2485 Versio n 1. 2 – 12/ 20 05 De sign er: Rube n Til g ner Th is use r's guid e cont ains a des cr iptio n of the pr oduc t. It in no way represent s a guarantee of par ticular charac teristic s or res ult s of us e. Th e infor ma tion in t his do cumen t has b een caref ully compiled and verif ie d[...]

GoldM ike MK2 3 Intro duction ................................................................... 4 Before Y ou Begin ............................................................ 5 Rear Pan el/Conne ct ion s ................................................. 6 Wiring ......................................................................... 6 General[...]

4 GoldM ike MK2 Introduction Th e Gold Mike MK 2 is th e resul t of all our e x per ience a nd kn owle dge f rom i ts s ucces sf ul pred eces sor an d repre sen ts a n improved, more f lex ible a nd, more modern version. W e h a v e a d d e d t e c h n o l o g i e s t h a t h a v e a l r e a d y p r o v e n t o prov ide su per ior tonal r esult s i[...]

GoldM ike MK2 5 Before Y ou Begin IMPO RTANT : Bef ore yo u oper ate your G old Mike MK 2, f i rs t che ck c aref ull y whe ther t he lo cal vol tag e set t ing cor re spon ds to the s wi tch se t ting on t he rea r panel ! If no t, an d the vol tag e is in one w ay or an othe r , inc orr ec t, yo u wil l eith er ex pe rie nce an imm edia te f use [...]

6 GoldM ike MK2 R ear Panel/Connections Wiring RETURN SERIAL NUMBER GoldMike 2 4860000 Sound Performance Lab XLR Wiring : Pin 1 = GND, Pin 2 = (+), Pin 3 = (–) TRS Jack W iring : T ip = (+), Ring = (–), Sleeve = GND Mono Jack W iring : T ip = (+), Sleeve = GND WARNING TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS UNIT T O RAIN OR [...]

GoldM ike MK2 7 A g ain, w hile t he Gol dMike MK 2’s hou sing is E MV-pr oof an d prote ct s ag ains t HF- inter f erence , place ment of t he unit is ve r y imp or tan t since i t ampl if ie s micro phon e sign al s as we ll as ot her unwa nted sig nal s. B efor e conne ct ing the G oldM ike MK2 o r any othe r equipm ent tur n of f al l power. [...]

8 GoldM ike MK2 R ear Panel/Connections Mic I nput 1 / 2 Dy nami c, co nden ser or t ube mi croph one s can b e conne c ted to the M ic inpu ts . Th e 48 V s wi tch pro vide s the p hantom p ower nec ess ar y f or som e micr opho nes (s ee al s o „Cont rol El emen ts/ P h an t om “ o n p a g e 1 1 ). Al tern ati vely t he Gol dMike MK 2 c an be[...]

GoldM ike MK2 9 Output s 1 / 2 Th e pream plif i er sig nal s are f ed to th ese e lec tr onic ally b alan ced out put s. A lter nat ive ly the G old Mike MK 2 c an be eq uippe d wit h opt ionall y av ailab le tr ans for mer o utp ut s fr om Lun dahl (s ee “ L u nd a hl Tr an s f or m er s ” on p a ge 2 2) . Since t he XL R and 1/4 inch T RS co[...]

10 GoldM ike MK2 Power Y ou g ues sed t hat : wit h the P ower s witc h the G oldM ike MK 2 is ac ti va ted, ve rif ied b y the ill uminat ing sw itch . Plea s e read “B efor e Y o u Beg in” on pag e 5 bef ore th rowing i n for th e f ir st time. Gain Th e Gain con tro l deter min es th e pre -ampl if ic atio n of the mi cro - pho ne sig nal. T[...]

GoldM ike MK2 11 Outp ut Th is poten tiom eter ad jus ts t he ou tput l evel f or dev ice s fol lowi ng in the c hain or to t he con ver ter. The O utp ut Le vel c on tr ol a ll o w s a n ad d it i o n a l +6 d B of a mp l i fic at i o n o r - 2 6 d B of reduc ti on. Ou tput l evel v alues s et wi th th e outp ut level c ont rol are n ot indic ate [...]

12 GoldM ike MK2 Phas e Th e pha se re vers e f unc tion r ever ses t he po lar it y of the m icro - pho ne sig nal , inver ting t he pha se ( by 18 0 °) to co rr ec t pha se - inve r ted signals ca used by multip le si gnal sou rces. A vo ice- over ar tis t, f or e xamp le, hea rs him self dur ing re cording t hroug h the h eadph one s and sim ul[...]

GoldM ike MK2 13 Flai r A s wi th it s pr edec ess or, the mod el 98 4 4 Gold Mike, t he Gol dMike MK 2 fea tures ou r sound -o ptimi zing F lair ci rcuit r y. T his circ uitr y take s adv ant age of a com bine d coil and t ube f ilter ing to enhance signal presence. In comparis on to simple EQ manip- ulat ion, t his inten sif ie d pres ence so und[...]

14 GoldM ike MK2 Usi ng the T ube Am p switch Eng ag ing the Tube Am p sw itch ten ds to hav e a sign if ic ant im pac t on the overall sound , as it direct ly changes the sonic charac ter of the t ube . The h ighe r the T ub e Amp v alue, t he mo re you wi ll have tube sat uration and har monic distor tion, in addition to limi ting ef f ec t s. T [...]

GoldM ike MK2 15 Limit er Th e Gold Mike MK 2 of f ers a pe ak limi ter that o per ates b efor e the o utp ut lev el cont rol . Thi s ensure s tha t the li mited s ign al can be co ntr olle d as p er fe c tly a s pos sibl e for t he inte rn al—or an ex ternal—conver ter . Th e peak l imiter op era tes wi th spe cial dio des t hat con ver t sig [...]

16 GoldM ike MK2 VU-C al Th e displ ay rang e of the V U mete r can b e shif te d usin g the -1 0dB VU C al s witc h posi tion . If th e VU C al s witc h is set to i t s 0 dB p osit ion and t he ou tput lev el cont rol is al s o set to 0 dB w ith th e limi ter sw itch ed of f, the o utp ut lev el will e f fe ct iv ely be 0 dBu . Wi th th e VU C al [...]

GoldM ike MK2 17 Display / 48 V LE D Th e 48V- LE D indic ate s that t he pha ntom pow er supp ly is ac ti - va ted. T he 48 V-L ED will sl owly d im bef ore go ing out to in dica te tha t it take s som e time f or resi dual cur rent to di sch arge. VERY IMP OR T A NT: The co nnec t ion be t ween m icrop hone and G oldMi keMK 2 shoul d not be d ise[...]

18 GoldM ike MK2 Solid stat e and tube sta ges Th e soli d st age pr eamp se c tion is b as ed on a f ull y dis crete , bal anced i nst rum ent ampl if ier a nd ope rate s 12 sing le tr ansi s- tors i n cla ss A mo de. A s ophis tic ated c ircuit r y en sures a n earl y constant f requenc y response at any gain level . With an impres- siv e slew ra[...]

GoldM ike MK2 19 Class A Instrument In put Th e Ins tr umen t Input i s a ful ly dis cre te impe dance c onver ter tha t al so ope rate s in cl as s A mode . It is ba se d on a low -no ise f iel d ef f ec t tr ansis tor tha t, due to i ts e x tr emely h igh inp ut imp e- d an c e , i s e s p e c ia l ly w el l su i te d to t hi s t a s k . Rel ay s[...]

20 GoldM ike MK2 In th e ca se of t he pow er suppl y, no ex pen se w as sp ared . Af ter all , the p ower sup ply is on e of the p rima r y f acto rs in th e audio quali t y and ov erall s ound of a ny dev ice. Ju st li ke the b est c of fe e bea ns in the w orl d will no t produc e a goo d cup of cof f ee wi th po or water, the b est c ircuit s c[...]

GoldM ike MK2 21 • 2 4-B it/96 kH z A/D con ver ter ( upg rad es af ter s ale ca n be don e by clients). • Lun dahl in put an d outp ut tr ans for mer s (up gr ade s af ter s ale by auth ori zed se r vi ce per sonne l or SPL onl y). 24/ 96 A/ D Conver ter Th e optio nal 24/9 6 Conve r ter mo dule (mo del 2376) pr ovid es a dig ita l outp ut for[...]

22 GoldM ike MK2 Sy nc Inp u t The S YN C input allows you to feed an e xter nal sign al into the c onver ter to con trol t he s ample r ate (si nce th is is an A D conv er ter, the S YN C Input is n o audio sig nal in put) . Conne ct an S/P-DI F outp ut f rom your m as ter source ( e.g. so und ca rd ) to the SY NC i nput . The A D con ver ter w il[...]

GoldM ike MK2 23 Freq uenc y resp ons e ‹10 H z to 90 K Hz ( - 3 dB ) Input impedance s Mic ropho ne, X LR 2, 8 KOhm Li ne In, T RS 10 KOhm Instr. In TR S 1 MOhm Outp ut impedances XL R and TRS connec tors 50 Ohm THD+ N Inpu t leve l Gain -30 dBu 30 dB u 0, 016 % -40 dB u 40 dB u 0 ,0 17 % -50 dB u 50 dBu 0, 022 % - 6 0 dBu 6 0 dBu 0, 048 % Nois [...]

24 GoldM ike MK2 SPL p roduc t s are gu aran teed f or a per iod of o ne year ag ain st f ault s in mater ial s or wor km anship. Ref er to your l ocal s upplie r for f ul l sale s and g uar ante e term s. Guarantee[...]

GoldM ike MK2 25 Notes ............................................................... ............................................................... ............................................................... ............................................................... ............................................................... .......[...]

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