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LACHAPELL AUDIO 503

SAFETY INSTRUCTIONS

TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER SERVICEABLE PARTS 
INSIDE. CONTACT DIGITAL AUDIO LABS FOR  SERVICING.

The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user 
to the presence of uninsulated and/or potentially dangerous voltage within the products enclosure 
that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of 
important operating and maintenance (servicing) instructions in the literature accompanying the 
appliance.

IMPORTANT SAFETY INSTRUCTIONS

1.  Read and understand this entire manual.
2.  Keep this manual available for reference.
3.  Heed all warnings and precautions in this manual and notices marked on the product.
4.  Do not use this product near water or damp environments.
5.  Refer all servicing to qualified service personnel. There are no user serviceable components inside 

the product.

6.  The product shall not be exposed to moisture. Do not touch the unit with wet hands. Do not handle 

the unit or power cord when your hands are wet or damp. 

7.  The product should be connected to a power supply only of the type described in the operating 

instructions or as marked on the product.

CARE

•  From time to time you should wipe off the front and side panels and the cabinet with a dry soft 

cloth. Do not use rough material, thinners, alcohol or other chemical solvents or cloths since this may 
damage the finish or remove the panel lettering.

•  The manufacturer cannot be held responsible for damages caused to persons, personal possessions, 

or data due to an improper or missing ground connection.

Summary of Contents for 503

Page 1: ...1266 Park Road Chanhassen MN 55317 952 401 7700 support digitalaudio com www digitalaudio com LACHAPELL AUDIO 503 USER GUIDE Version 1 1 August 2017 ...

Page 2: ...le for reference 3 Heed all warnings and precautions in this manual and notices marked on the product 4 Do not use this product near water or damp environments 5 Refer all servicing to qualified service personnel There are no user serviceable components inside the product 6 The product shall not be exposed to moisture Do not touch the unit with wet hands Do not handle the unit or power cord when y...

Page 3: ...roduct to the place of purchase Please write the RMA number on the outside of the shipping carton Any product sent to us without a valid RMA number will be refused Include the following with the product a brief description of the problem your name return shipping address phone number and the RMA number Do not include any accessories DAL is not responsible for any damage to or loss of the product d...

Page 4: ... LABS LIMITED WARRANTY 1 REPAIR POLICY 1 WARRANTY SERVICE 1 NON WARRANTY SERVICE 1 MODEL 503 3 BEFORE YOU GET STARTED 3 SAFETY PRECAUTIONS 3 503 CONTROLS 4 CONTROL DETAILS 4 503 FREQUENCY RESPONSE 5 HPF 50HZ 5 HPF 150HZ 5 LPF 5KHZ 5 LPF 10KHZ 5 LACHAPELL AUDIO 503 SPECIFICATIONS 6 LACHAPELL AUDIO SUPPORT 6 ...

Page 5: ... be 1 preliminary operating manual 1 packet of mounting screws 1 registration card It is a good idea for you to retain the packaging box foam case in case there is a need to return the unit for service or repair at a later date SERVICE REPAIR WARNING Only Digital Audio Labs personnel are to perform maintenance and service activities SAFETY PRECAUTIONS Always provide adequate ventilation by allowin...

Page 6: ...cutting or boosting for the overall signal being processed This control is post EQ In Out control FREQUENCY CUT BOOST CONTROLS Provides 12dB of cutting or boosting of selected frequency from corresponding sweep control A center detent is available on each band EQ IN OUT This is a dual color LET toggle switch Red will indicate the EQ settings have been by passed green will indicates active EQ The c...

Page 7: ...LACHAPELL AUDIO 503 5 503 FREQUENCY RESPONSE HPF 150HZ LPF 10KHZ HPF 50HZ LPF 5KHZ ...

Page 8: ... Power Requirements 100ma NOTE Stated specifications are typical measurements but subject to change without notice due to individual traits unique to each tube All measurements taken while driving a 40kohm load and using a 1khz tone LACHAPELL AUDIO SUPPORT Phone Support 952 401 7700 Toll Free 844 DAL INFO Email Support support digitalaudio com Website www digitalaudio com support DIGITAL AUDIO LAB...

Page 9: ... 2014 2015 Digital Audio Labs 2017 Digital Audio Labs Patents pending ...

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