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THE M11 

MICROPHONE SYSTEMS

 

M11A with 152A Cable Set 

M11A with 153A Cable Set

 

21B Microphone 

21B Microphone

 

150A Base 

150A Base

 

P518A Power Supply 

P518A Power Supply

 

152A Cable Set 

153A Cable Set

 

 

M11B with 152A Cable Set 

M11B with 153A Cable Set

 

21B Microphone 

21B Microphone

 

150A Base 

     150A Base 

P519A Power Supply 

P519A Power Supply

 

152A Cable Set 

153A Cable Set

 

 

2

 

Содержание 21B

Страница 1: ...INSTALLATION AND OPERATING INSTRUCTIONS for the ALTEC M11 MICROPHONE SYSTEMS featuring the ALTEC 21B MINIATURE CONDENSER MICROPHONE...

Страница 2: ...icrophone 21B Microphone 150A Base 150A Base P518A Power Supply P518A Power Supply 152A Cable Set 153A Cable Set M11B with 152A Cable Set M11B with 153A Cable Set 21B Microphone 21B Microphone 150A Ba...

Страница 3: ...1B Microphone is shipped in position on the 150A Base Attachment is by threads on the outside of the shell of the Microphone Be sure the Microphone is screwed tightly into position Connection is made...

Страница 4: ...cal breakdown between these parts The function of the inner shield which surrounds the center terminal is described in the discussion of the 150A Base THE 150A MICROPHONE BASE The 150A Microphone Base...

Страница 5: ...erefore the bulk at the microphone is reduced to the minimum consistent with reliable tube operation and with esthetic and operational considerations The Microphone Base may be separated by as much as...

Страница 6: ...octave being down approximately 6 DB at the frequen cies indicated 20 cycles 40 cycles or 120 cycles The 40 cycle position gives low frequency response at least equivalent to the best commercial micro...

Страница 7: ...placing the outer shell note that the nameplate should be opposite the latch on the Cannon connecter Do not attempt to make any adjustments or repairs to the 2 l B Microphone If the rear insulated por...

Страница 8: ......

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