Summary of AV125.5
Page 1
B&k s b imply etter ! B&k components, ltd. Av125.7 & av125.5 owner’s manual p/n13440 1102.
Page 2
B&k components, ltd., 2100 old union road, buffalo new york 14227-2725 phone 1-800-543-5252 or (716) 656-0026, fax (716) 656-1291 e-mail: info@bkcomp.Com web: www.Bkcomp.Com ii.
Page 3: Table of Contents
Table of contents table of contents ....................................................................................................................................................Iii safety precautions ................................................................................................
Page 4: Safety Precautions
Safety precautions please read before installing warning: to prevent fire or shock hazard, do not expose this unit to rain or moisture. Care should be taken to prevent objects or liquid from entering the enclosure. Never handle the power cord with wet hands. • the lightning flash with arrowhead, wit...
Page 5: Purpose and Function
Purpose and function the av125.7 and av125.5 are high power amplifiers designed for use in all types of audio or audio/video systems. Design and construction the av125.7 and av125.5 utilize high quality electronic circuitry to achieve an environment wherein a detailed, transparent, and highly musica...
Page 6: Rear Panel
Rear panel c a u t i o n r i s k o f e l e c t r i c s h o c k d o n o t o p e n r i s k o f e l e c t r i c s h o c k d o n o t o p e n fuse caution: for continued protection against risk of fire replace only with same type and rating. Control i/o channel 6 output channel 7 output channel 5 output ...
Page 7: Level Adjustment
Level adjustment generally in a home theater application, volume level is controlled by the a/v surround processor. In a system for use with the av125.7 or av125.5, adjustment of the volume level must performed using the external preamplifier/processor. Inputs the av125.7 and av125.5 allow signal pa...
Page 8
Balanced or unbalanced connections shown below are typical preamplifier to amplifier connections: control i/o input 1 input 2 input 3 input 4 input 5 input 6 input 7 ctrl in ctrl out 12vdc 125ma + xlr (balanced) rca (unbalanced) control in allows amplifier operation when a 5-24v signal is applied wi...
Page 9: Outputs
Outputs five way binding posts are provided. There is one pair provided for each channel. They are designed to accept a banana-type plug, spade-lug connector (shown below), terminal posts, and bare wire, and they are color coded for easy identification. The positive (+) post should always be connect...
Page 10: System Installation
System installation there will most likely be a number of cables involved in the installation of your home entertainment system. Preplanning is essential in order to maximize system efficiency. We recommend the following as a means of helping you reach that goal. Make a diagram of your proposed syst...
Page 11: Control Input and Output
Control input and output a control (trigger) system is provided on both the av125.7 and av125.5 amplifiers to allow remote switching of the amplifier’s standby on/off feature. The control input is designed to operate with a source (trigger) of 5-24 volts ac or dc. All b&k a/v processors and preampli...
Page 12: Troubleshooting
Troubleshooting problem possible cause possible solution no sound (‘on’ led not illuminated) 1. Power cord not plugged in. 2. Power off at ac source. 3. Ac power inlet fuse blown or faulty 4. Control input not activated. 1. Reconnect power cord. 2. Check ac switch or fuse 3. Check for shorts or over...
Page 13: Specifications
Specifications power rating: 8 ohms 4 ohms 125 watts @ 1 khz 185 watts @ 1 khz thd (s+n) 0.09 % @ 1 khz frequency response 5 hz – 45 khz input sensitivity 0.77 volts input impedance 33.2 k ohms damping factor 80 current (peak to peak) 16 amps slew rate 14 v / sec dynamic headroom 1.0 db s/n (a-weigh...
Page 14
Limited warranty b & k components ltd., referred to herein as b & k, warrants your b & k equipment against all defects in material and workmanship for a period of five years from the date of purchase. This warranty applies only to the original purchaser and only to equipment in normal residential us...
Page 15: Rear Panel Enlarged Veiw
Rear panel enlarged veiw caution risk of electric shock do not o pen risk of electric shock do not open fuse caution: for c ontinued protection against r isk of fire replace o nl y w ith same type and r ating. Control i/o channel 6 output channel 7 output channel 5 output channel 4 output channel 3 ...
Page 16: Www.Bkcomp.Com
Www.Bkcomp.Com b&k components, ltd. 2100 old union road buffalo, new york 14227 phone: 716 – 656 - 0026.