Neumann.Berlin SM 69 User's Manual
Contents
1. HHH CHEER HT DLE CROKE AGREE D II LE ATT LTE NEINS HEEN E EEEE USETE weft HTHH HH HT COO ANN EEEE FM SU HEUHEEREHEIEE QAS EEUU Hm COON eas seas 1 99 LH Hu pud MB HHHH NUNN IAN i inni RETETE E in det i in i H HH TET inim NATL meme NN E PETES TTE ecu mu aun ie eae eee NON QUE i H i R 2 3 3 4 i j TH T H H8 dn nnnm nmn IA ni EET a nu inii m HH TH un I i n Heer PES H THERE mmi Kus qu iil In Uii N HH HNN HH HH NU GHH HNN Te PP LA UM TED NN2. HHHH Sans ix En HI HH ca in NT LIN ILI HE REN NARESE IHE 9 TE NTH H HE it H1 AUEREN LLLI REE ann d INL RE BE TR HHH id i ie AM M MET minimum H mi TES mn Ux min aap c ae LINEN ES HINES 1 H ini Him i TS THERE um LL mn PSH Me 4 i H un iin HH THTHTR ANEN LN SEE LL m dE UNE i RUE i 8 SIM HH He i HNN MENTI ERA Y ENT il TUE PON U us 1 sm nm 7 4 rir ZUZ awe a A LZ Z iZ ila pr a rar 2 fil iS NINE d inii ES ub d 4 L BH EHE HERE AS dedil To HH HA
3. LUN 1001 a HI HH HU LH bes Pa Wo Lon e ilit HER 4 il un ec 10 ALS HACEN UNDA SERITUR iiim unii d NIB PTT I i i ETIN iH FEHR ii h inii mih e ur ani 1 Hi a NON a PUE in 1 adii iti HUE 1 7 TERES il HHHH i RUE PNET Til Imi BURMA i Un UD DN NI HUS a E sinn INT HH T Shana t LE a t L EHH TEHE HIER HE Su nmn i ini uu HHH HHH LIYE LAL TRAE EME SIL N ELLE EUR TEES oo HHHH tH iin HIA FA I t enm p NI ii HH HH H NESTLE TTT H IN MINI ui LN MN LU ES Tara
4. AL ub Lu Hu LEE LH LLLI UM ut pue ii HH Abit i CHEER HHE E Hi N71 _ a7 E oq Lj cm cb EN POE M F 7 A rds n Ni HMM LLL Ese Ea L l A ug S D p uu I d uU ui pln ud uL DERE T nm TEES ii f Hz Tr 15 ey aa e aa VP LATE DASA IH EV Ma an E EOIN EDN ODIO Peer a rS EAS TAS Be o Art PAS A oi rada nra Fn PETER PY ARS MEDI EA NCDP DEAE ISAT LILIA Cn RP APPEARS IE AESI a Fes ats A EEDA CDSG EID PERO ESI ELLE ONE SEPT UR ETE LL SISA ESL EE EE RIIE RATTAN LERES LEN EIAS SETO ENTREE PAETOS XX AL DRENNAN REE NAA BAER z4008 2 06 aAINY ZHYL 2 4 2 921 o 081 ee 2 7 cap d ELE 2 Mere dx ees ZH4 pean e
5. d ap o j2 D o oH POOQ 5 4 4 PEH H 5 gt gg Ooo Hu OW 5 An 42 2 ro H ro gt gt amp Q 40 bd PO OOS 4 P 4 ou c 0 5 f d d o 60 D pP Q d do om 3p og od r1 Q O D OHO P v Py no om r4 4 g 00 O o 6 LN mn doo AHH TECHNICAL DETAILS Power Supply Unit NSMa 23 Mains eee eww bes _ 147 127 220 240 V 50 60 cps 60 mA mt 125 mA mt uiu use aee EU TF 80 60 Power GonsulbUulOnse i 9959s app 44 VA DC output 1 4 V 100 mA 120 V 0 5 mA OF Hum 10 uV resp Neon pilot 0501 DZ yellow 220 V Dinengtornbaa ee e UE n 220 100 x 120 Weight eee app 2 5 kg Maximum length of cable 40 m usd uu eu TIC 5649 7 T 3085 Power Supply Unit NN 48b Mains 117 127 220 240 V 50 60 eps uns 50 mA mt 80 mA t 9 150 B 2 Power cons mptlOne app 11 VA DC output 1 1400 mA 120 V 0 5 mA 4 Deas eg V 8 uV
6. uV resp DISeDnELONBS 79939 ios 220 x 100 x 120 mm oi XA RR UR app 2 2 kg Maximum length of cable 40 mos COMME CHOPS siacuc e sees mabe o TECHNICAL DETA SM 69 Acoustical operation Directional characteristics Output 1 1 Channel separation Electrical Load Resistance Electrical source resistance Capacity of capsule VOLUGCCwis Weighted noise voltage DIN 45 AOD orree 65044504 6s Maximum sound pressure for 5 distortion at 40 keps 5 EKCDS i Rv Gain of microphone amplifier at RODS ValveS eeeee see CONNEC GO 0 DimonSlOHB8S 4 34 4 eee combination of two pressure gradient transducers omni directional figure of eight cardioid remote controlled app 1 5 mV ub across 1000 45 IV 1000 2 250 a 200 o 50 20 9 55 IIA 8 uV gt 5 5 uV 22 phon 166 ub 418 dB above 2 x 10 ub app O dB 2 x 701k T 2017 app 460 1 1b 50 mm and 48 mm length 256 mm ebay eed ptt bag re optic T I MERE LNT SSE AUSTEN USBI teet re ML SERAIS RUND TAREAS SURE ES LEGERE AME sitter E op IEEE ESE LEED ONE
7. SESE ERE IEEE TEEPE ELSTON OSEP TEES SEAL OS 4 N iu a Mu prn H HHH HH HHHH ndi HIER HR A EAE RR VATI E EFL TEE Kis TTT TTT ESN FORT inim LETT A 8 mim mi i H 101111 il il NELLE LLL D LT rit in ALY PANE DU ADE OS TESTER d ny POAT TTT E H8 OBI aei ECHTE AERE TO LENA ul HHH HERB LLL NNN il SEIEN EEUU ELE ER ERE ERES M ESCENA UD SSH nii NTT TN ILU UII PET HH H HHHH HE HH EN M 8 0 ease ah 208 HE H B a Pee taal OMA EN OH AREE ET Mr aA II AE LETT TI
8. er capsule system has a cardioid characteristic By applying suitable polarising voltages to the central electrode and the diaphragms the three directional characteristics omni directional cardioid and figure of eight be obtained The directional characteristics of the two Systems can be set up independently of one another from the power supply unit The upper capsule can be rotated through an angle of 270 de grees relative to the lower one The cardinal direction is vertical to the microphone axis The cardinal direction of the lower capsule is indicated by the name plate on the microphone and that of the upper capsule by a mark the microphone casing Bach eapsule has its own amplifier The valve used is the well proven low noise Telefunken Triode AC 701k The output trans formers are astatically wound to avoid hum pick up The in ternal resistance of the microphone amplifiers is 200 o It can be reduced to 50 by connecting the secondary windings of the output transformer in parallel The output voltage is thereby reduced by 6 dB Microphones which are connected for 20 before leaving the factory are marked with a red dot be Side the serial number STANDARD ACCESSORIES The microphone SM 69 is connected to the power supply unit NSMa 25 by means of the extension cable SC 1 or by means of the microphone cable SC 2 with swivel connecting stud for stand mounting These cables have a length of ten meters The total p
9. ermissible length of cable between the and the power supply unit is 40 meters Power Supply Unit NSMa 23 The portable power supply unit NSMa 23 serves to supply one double microphone SM 69 from the mains The heater and HT voltages are stabilised The directional characteristics can NIAE VE H 3 x x 4 i i 1 1 i i i 3 i NUES ESL OT BOE CISD ttt IA MEAN BSE URDU URS EM Ng ap Stn ech pt DRE NM ERIS H EREDE MERETUR ITA SERRE SELLER ED REESE RARE FERES ERY SURE DED EE USER ESPERA RAM 555 rt xi x E 3 1 E 3 E i 4 3 i E i i i 3 E 1 x 4 1 g i J be adjusted in nine steps by means of two switches on the out put side of the power supply unit The unit is connected to the mains by means of a mains connector according to DIN 49 495 Adapter Plugs 2 10 2 11 2 11 90 If the SM 69 is to be supplied by means of two separate power supply units it is necessary to resolve the microphone cable SC 1 SC 2 into two microphone cables type 26 This is done by means of the adapter 2 10 If power supply units with 7 pole RF screened standard couplings are used the adapter 2 11 is appropriate The third adapter 2 11 90 has a swivel connecting stud for stand mounting In this case the micro phone is screwed on directly without intermedia
10. sere i i i i 3 i x x 3 3 4 E 1 8 2 E i E X x d X X Ed 2 S E ES 8 E S x 8 E S E S A Fa x g E E x 3 E S 5 E X DOUBLE CONDENSER MICROPHONE SM 69 APPLICATION The double condenser microphone 69 is high quality studio microphone for stereophonic recordings It has been developed for the various types of intensity techniques As the SM consists of two completely independent microphones in one unit it may be used for single channel recordings whenever two microphones with different direc tional characteristics are needed in one particular position BASIC FEATURES The double microphone SM 69 consists of acapsule head containing two micro phone capsules which are mounted closely above one another and are rotatable and the amplifier section containing two complete microphone amplifiers The microphone connections are brought out so as to enable it to be fed either from a special power supply unit NSMa 23 or from two separate Single power supply units NN 48b or N 52 SM 69 910 02 00 247 Printed in Germany TECHNICAL DETAILS Each capsule system consists of two fixed electrodes which are suitably drilled and are firmly screwed together and two vacuum gold plated diaphragms made of temperature stable poly ester Each half of eith
11. te cable Power Supply Unit NN 48 The double microphone SM 69 may be supplied from the mains by means of two portable power supply units 48b The heater and HT voltages are stabilised The directional characteristics of the microphone controlled by means of the potentiometer on the power supply unit The output voltage of either micro phone system is obtained on a 3 pole Tuchel connector T 5081 The unitis connected to the mains by means of mains connector according to DIN 49 495 Univ Power Suppl units may be h can be easily ic tructed as plug The heater and HT voltages are stabilised Ten of these is cons t card wh it frame lreui in helf S 167 9 for 19 The cir cuit is assembled on a printed replaced NN 48b but ing LO lug those of the in ap t for mount housed side by side ina plug in shelf 5 167 10 for DIN racks Same as 1n uni ID D C1 p eJ LN Z p 3 P gt r er Oj 2 H E er Ew 42 0 c c D 42 e and nine PSS OE REE EEE SATE LESTE EET DELO SG LEE DERE DEST ENG RESO TALE EG puppy Unit BB 50 Batter Q 0 Oe 4 aog Ged pp U HUAN uono Qj e E
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