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This product complies with European Low Voltage (2006/95/EC) and 
Electromagnetic Compatibility (89/336/EEC) Directives when used 
and installed according to this instruction manual. For continued 
compliance servicing must be referred to qualified service 
personnel.

LIMITED WARRANTY

Je

 Rowland Design Group, Inc. warrants the materials, workmanship, and proper functioning 

of this product for a period of 

fi

ve years from the date of purchase as long as the product was 

operated in accordance with its operating manual, the products was not altered or improperly 
serviced or prepared, or if the product failed to function from the beginning. In the event of 
such a failure, the product will be repaired or replaced by Je

 Rowland Design Group, Inc. 

through one of its dealers. This warranty is extended to the original purchaser only and is non-
transferable to any secondary or other purchaser. 

In order to have this product repaired or replaced, the original purchaser must 

fi

rst obtain the 

prior authorization of Je

 Rowland Design Group, Inc. or one of its dealers. Purchaser must 

then return the product, PACKAGED IN ITS ORIGINAL CARTON, FREIGHT PREPAID to: Je

 

Rowland Design Group, Inc., 2911 North Prospect Street, Colorado Springs, Colorado, 80907, or 
to one of its dealers.

Je

 Rowland Design Group, Inc. reserves the right to inspect any product which is subject to 

any warranty claim prior to repairing or replacing it. Final determination of warranty coverage 
lies solely with Je

 Rowland Design Group, Inc. Said determination shall be made as soon as 

possible following receipt of the product. Je

 Rowland Design Group, Inc. may, at its option, 

require from the purchaser, valid proof of purchase (dated copy or photocopy of dealer's 
original invoice). Out-of-warranty claims will be billed for labor, materials, return freight, and 
insurance as required. Any product for which a warranty claim is accepted will be returned to 
the purchaser and costs of shipping and insurance will be factory prepaid within the 
boundaries of the USA. Units to be shipped outside of the USA will be shipped freight collect 
only. This warranty gives the holder speci

fi

c legal rights. The purchaser also has implied 

warranty rights, and may also have other rights which may vary from state to state.

Je

 Rowland Design Group, Inc. strives to manufacture the very 

fi

nest possible equipment and 

therefore reserves the right to make changes in design and improvements upon its previously 
manufactured models.

THE ABOVE WARRANTY IS THE SOLE WARRANTY GIVEN BY JEFF ROWLAND DESIGN GROUP, 
INC. AND IS IN LIEU OF ALL OTHER WARRANTIES; ALL IMPLIED WARRANTIES OF 
MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE SHALL BE STRICTLY LIMITED 
IN DURATION TO FIVE YEARS FROM THE ORIGINAL DATE OF PURCHASE AND UPON THE 

 

MODEL 525 STEREO AMPLIFIER

 

 PAGE  2

Summary of Contents for 525

Page 1: ...MODEL 525 STEREO AMPLIFIER Operational Manual Jeff Rowland Design Group 2013 All Rights Reserved...

Page 2: ...ult if the supplied 3 wire grounded AC cable ground terminal is defeated or lifted or the unit is connected to a 2 wire ungrounded AC outlet PROTECTIVE SYSTEMS The MODEL 525 is equipped with internal...

Page 3: ...the right to inspect any product which is subject to any warranty claim prior to repairing or replacing it Final determination of warranty coverage lies solely with Je Rowland Design Group Inc Said de...

Page 4: ...ding our commercial warranty policies GUIDE USE This guide is designed to make installing and using this product as easy as possible Information in this document has been carefully checked for accurac...

Page 5: ...you to gain the maximum performance and ease of use for which this amplifier was designed Please note that your MODEL 525 serial number begins with the letters BA Please include this number with any...

Page 6: ...Placement 9 Front Panel Operations 10 Rear Panel Connections 11 Connecting to Loudspeakers Stereo Mode 12 Connecting to Loudspeakers Bridge Mode 13 Connecting to Loudspeakers Bi Amp Mode 14 Switching...

Page 7: ...and inductance and introduces less noise than conventional leaded components THIN FILM RESISTORS All resistors are low noise 0 1 thin film type for extremely low thermal noise which complement the lo...

Page 8: ...es the amplifier into standby mode 1 watt consumption An internal switch allows the user to dim the front panel indicator light ring or shut o the light altogether when the amplifier is powered on REM...

Page 9: ...ONTHS BEFORE ATTEMPTING TO CLEAN IT THIS WILL PREVENT SMALL SCRATCHES FROM MARRING THE SURFACE BEFORE THE SURFACE COATING HAS HAD A CHANCE TO HARDEN COMPLETELY WARNING THE FRONT PANEL OF THE UNIT SHOU...

Page 10: ...rongly suggest that you save all of the packing materials If the amplifier is returned to your dealer or Je Rowland Design Group the original packing materials must be used for shipment to avoid possi...

Page 11: ...1 FRONT PANEL POWER BUTTON Press this button to operate the amplifier Press again to place the amplifier in Standby mode 2 POWER INDICATOR RING This white ring will illuminate when the amplifier is op...

Page 12: ...s 5 LOUDSPEAKER OUTPUT B Positive terminal Use with LOUDSPEAKER OUTPUT A Positive terminal for Bridge Tied Load BTL See CONNECTING TO LOUDSPEAKERS BRIDGE MODE for detailed instructions 6 LOUDSPEAKER O...

Page 13: ...CONNECTING TO LOUDSPEAKERS STEREO MODE Figure 3 Stereo Mode loudspeaker connections MODEL 525 STEREO AMPLIFIER PAGE 12...

Page 14: ...CONNECTING TO LOUDSPEAKERS BRIDGE MODE Figure 4 Bridge Mode loudspeaker connections MODEL 525 STEREO AMPLIFIER PAGE 13...

Page 15: ...CONNECTING TO LOUDSPEAKERS BI AMP MODE Figure 5 Bi Amp Mode loudspeaker connections MODEL 525 STEREO AMPLIFIER PAGE 14...

Page 16: ...2 Remove all 12 screws attaching the bottom cover to chassis Set bottom cover and screws aside 3 Release blue ribbon cable from green circuit board with thumbs Figure 6 4 Bend blue ribbon cable backwa...

Page 17: ...Figure 7 Blue Ribbon Cable in Open Position Figure 8 SW1 Dip Switch in Stereo Position Figure 9 SW1 Dip Switch in Bridge Position MODEL 525 STEREO AMPLIFIER PAGE 16...

Page 18: ...0 kHz 3 dB Input Impedance 40k ohms THD Noise 0 05 20 Hz 20 kHz Damping Factor 1000 1 kHz Overall Gain Bal or Unbal 26 32 dB BTL Inputs 1 pair Balanced XLR Outputs 1 pair parallel binding posts Amplif...

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