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STAM AUDIO ENGINEERING 

 

IMPORTANT SAFETY INSTRUCTIONS

 

 

 

 

The lightning flash with the arrowhead symbol, within an equilateral triangle, is to alert the user 
to the presence of non insulated dangerous voltage within the products enclosure that may be 
of sufficient magnitude to constitute a risk of electric shock to humans. 

The exclamation point within an equilateral triangle is intended to alert the users to the presence 
of important operating and maintenance. 

All the following safety and operating instructions should be read before operating the unit. 

Caution to reduce the risk of electric shock 
 

● Do not remove the top cover (or the rear section). No user serviceable parts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

inside. Refer servicing to qualified personnel.  

 
Caution to reduce the risk of fire or electric shock 

 

● Do not expose the equipment to rain and moisture.  
● The equipment shall not be exposed to dripping or splashing liquids and no

 

 

 

 

 

   

   

 

 

 

 

objects filled with liquids shall be placed on the equipment.  

● To reduce the risk of electric shock do not perform any servicing other than that

 

 

 

   

 

 

 

 

 

 

 

 

 

 

contained in the operation instructions.  

● Repairs have to be performed by qualified service personnel. 
● Read these instructions.  
● Keep these instructions.  
● Heed all warnings.  
● Follow all instructions.  
● Do not use this equipment near water.  
● Clean only with dry cloth.  
● Do not block any ventilation openings. 
● Install in accordance with the manufacturer’s instructions.  
● Do not install near any heat sources 

 
 
1073 EQ - USER MANUAL

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Summary of Contents for SA-1073 EQ

Page 1: ...STAM AUDIO ENGINEERING SA 1073 EQ USER MANUAL 1073 EQ USER MANUAL PAGE 1 ...

Page 2: ...r the rear section No user serviceable parts inside Refer servicing to qualified personnel Caution to reduce the risk of fire or electric shock Do not expose the equipment to rain and moisture The equipment shall not be exposed to dripping or splashing liquids and no objects filled with liquids shall be placed on the equipment To reduce the risk of electric shock do not perform any servicing other...

Page 3: ...is product This product must not be disposed of with household waste according to the WEEE Directive 2012 19 EU and your national law This product should be taken to a collection center licensed for the recycling of waste electrical and electronic equipment EEE The mishandling of this type of waste could have a possible negative impact on the environment and human health due to potentially hazardo...

Page 4: ...ffort with Brian Sowter from Sowter transformers in the UK the Sowter B1540 was born an exact replica respecting the original laminations ratio and frequency response of the Marinair exclusive to Stam Audio Secondly we decided to add what others were missing the Carnhill line input transformer to connect your line level signals directly into the unit Bypassing this transformer or using a padded mi...

Page 5: ...itors Carnhill inductors The Stam Audio 1073 EQ is completely hand made in Chile This is the only way we can manufacture it with these type of essential components 1 2 FEATURES High Frequency 16dB fixed frequency shelving at 12kHz Low Frequency 16dB shelving with selectable frequencies of 35Hz 60Hz 110Hz 220Hz Mid Range 18dB peaking fixed Q with selectable frequencies of 360Hz 700Hz 1 6kHz 3 2kHz ...

Page 6: ...active 2 2 EQ Activates EQ circuit in between Preamp section GAIN KNOB and output amplifier TRIM 2 3 HI Z The default input impedance on the microphone input is 300Ω Pressing the HI Z button switches the input for 1200Ω input impedance 2 4 POL Pushing this button will reverse the polarity of your XLR Microphone Input 1073 EQ USER MANUAL PAGE 6 ...

Page 7: ...th 4 selectable frequencies High Pass Filter 18dB oct with 4 selectable frequencies 3 0 CONNECTIONS 3 1 MIC IN Standard Microphone input connection Input signal enters towards the Mic Input transformer Carnhill VTB 9045 2 2 LINE IN Standard Line Level input connection Input signal enters towards the Line Input transformer Carnhill VTB 9046 2 3 D I Standard Instrument Level input connection Input s...

Page 8: ...uirements 115 230 VAC 30W Frequency Response 10Hz to 3dB at 40kHz Mic Input Impedance 1200 300 Ω Line Input Impedance 10k Ω DI Input Impedance 150k Ω Output Impedance 65 Ω Maximum Output Level 27 4 dBu 600Ω Preamp Gain 0 80 dB 1073 EQ USER MANUAL PAGE 8 ...

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