B&K Reference 3220 Owner'S Manual Download Page 1 | Manualshive

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Reference 3220

Three Channel Amplifier

OWNER’S MANUAL

B & K Components Ltd.

13006 rev 0005

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Summary of Contents for Reference 3220

Page 1: ...Reference 3220 Three Channel Amplifier OWNER S MANUAL B K Components Ltd 13006 rev 0005 ...

Page 2: ...13006 rev 0005 B K Components Ltd 2100 Old Union Road Buffalo New York 14227 ...

Page 3: ...res Page 3 Rear panel view Page 4 Rear panel description Page 4 5 Control muting Page 5 6 Level controls Page 6 Outputs Page 7 Inputs Page 7 8 System installation Page 8 Making the connection Page 9 Troubleshooting Page 10 Care and cleaning Page 10 Specifications Page 11 Warranty page 12 Accessories included Manual and Power cord ...

Page 4: ...Damage can occur to your speakers if the power rating of each individual driver is exceeded by the amplifier Ensure that all the drivers in your speaker system are capable of handling not only the power being delivered by the amplifier but the energy that is likely to be generated during strong passages Turn amplifier off when plugging in or unplugging input and speaker cables The Reference 3220 i...

Page 5: ...reproducing the most demanding audio signals at rated power levels Features Toroidal Transformers Efficient high current transformer for improved dynamics Discrete Circuitry More accurate and three dimensional reproduction of source material Class A Predriver Improves low level detail for smoother more musical sound AB MOSFET Output Stage For efficient and linear power delivery Limited Protection ...

Page 6: ...scription 1 AC fuse holder Holds the AC Line fuse This fuse is an 12 Amp 250 Volt Slow Blow fuse Replace with same type and value fuse only 2 AC Input receptacle For attaching the supplied AC power cord to the amplifier 3 Speaker outputs For connecting the speakers to the amplifier Explained further on page 7 4 Inputs For connecting signal patch cables interconnects from the preamplifier to the am...

Page 7: ...ifier is being controlled the control signal can be extended to include each successive unit by simply running a 3 5mm mini jack cable from the CTRL OUT connector of the first amplifier to the CTRL IN connector of the next unit commonly referred to as daisy chaining An example of how to connect two amplifiers is illustrated in figure B If a source other than a B K series preamplifier is used to co...

Page 8: ...Mute No Signal No Signal IN Sound Signal Note The control voltage is for muting control only Each amplifier must be connected to its own source of AC power in order for it to operate Level controls The level controls are an option that can be added to the amplifier If your amplifier has this option the balanced inputs are not present You can not have level controls and balanced inputs on an amplif...

Page 9: ...e red post should always be connected to the speakers jack The black post should always be connected to the speakers jack Spade connector Banana jack Here is a typical amplifier setup Inputs Unbalanced RCA type connectors accept line input from the preamplifier s unbalanced output connectors There are three input connectors one for each channel that may be used to connect the amplifier to the prea...

Page 10: ...e of safety they should also be kept out of traffic areas The process of optimizing the system will include the type of cable the length of the run and the obstructions it must deal with along its run Your dealer can advise you on the products available and their relative merits If building custom length audio cables is not your strength your dealer should be able to help you with that as well Whe...

Page 11: ... If you connect your right front output of your preamplifier to channel 1 input on the amplifier remember to connect your right front speaker wires to channel 1 s outputs Always observe polarity when connecting speakers connect amplifiers to the speakers and amplifiers to speakers Double check all connections Plug the amplifier s power cord into the AC power source Turn the amplifier s power switc...

Page 12: ... faulty 4 Line stage or source not correctly selected 1 Tighten repair or replace cable 2 Tighten repair or replace cable 3 Tighten repair or replace cable 4 Check all switch settings Sound lacks direction bass weak 1 Speakers connected out of phase 1 Check connections making sure that cables are connected to and to Loud hum or buzz on one or more channels 1 Poor ground connection in interconnect ...

Page 13: ... impedance 33 2 k ohms Damping factor 400 Current peak to peak 60 Amps Slew rate 14 V sec Dynamic headroom 1 1 dB S N A weighted 95 dB Voltage gain 28 Line voltage 120 220 240 VAC switchable Dimensions O A 17 w X 15 5 d X 5 75 h Weight 43 lbs Power consumption 875 watts max 9 Amps max current draw 75 watts no input Replacement fuses Line 12 Amp 250 Volt Slow Blow Rails 6 Amp 250 Volt Slow Blow ...

Page 14: ...erms of this warranty and B K shall not be liable for any incidental or consequential damage arising out of a defect in material or workmanship of the unit during the terms of this warranty or thereafter Some States do not allow the exclusion or limitation of incidental or consequential damages and the foregoing exclusions may not apply to you This warranty gives you specific legal rights Your may...

Page 15: ...13006 rev 0005 B K Components Ltd 2100 Old Union Road Buffalo New York 14227 ...

Page 16: ...13006 rev 0005 B K Components Ltd 2100 Old Union Road Buffalo New York 14227 716 656 0023 www bkcomp com ...

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