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Reference 2220

Two Channel Amplifier

OWNER’S MANUAL

B & K Components Ltd.

13004 rev 0004

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Содержание Reference 2220

Страница 1: ...Reference 2220 Two Channel Amplifier OWNER S MANUAL B K Components Ltd 13004 rev 0004 ...

Страница 2: ...13004 rev 0004 B K Components Ltd 2100 Old Union Road Buffalo New York 14227 ...

Страница 3: ...es 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 9 Making the connection Page 9 10 Troubleshooting Page 11 Care and cleaning Page 11 Specifications Page 12 Warranty page 13 Accessories included Manual and Power cord ...

Страница 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 2220 i...

Страница 5: ...eproducing 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 P...

Страница 6: ...REFERENCE 2220 AMPLIFIER NOTE THE CENTER CHANNEL IS NOT AVAILABLE ON THE REFERENCE 2220 AMPLIFIER Rear panel description 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 Explai...

Страница 7: ...ized to provide a control signal to the Reference 2220 If more than one amplifier 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 illustrate...

Страница 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 ampli...

Страница 9: ...rs 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 two input connectors one for each channel that may be used to connect the amplifier to the preamplifier RCA cable connector Operation For unbalanced operation ensure the balanced switch between the balanced inpu...

Страница 10: ... each channel that may be used to connect the amplifier to the preamplifier Balanced cable connector Operation For balanced operation ensure the balanced switch between the balanced inputs on the rear of the amplifier is in the on in position NOTE If the amplifier is equipped with level controls the balanced inputs will not be present Here is a typical input setup ...

Страница 11: ...s well When possible use a separate AC power line for the amplifier one that is not shared by any other component in the system of any other house hold component Tip Take a piece of stout string longer than the longest cable run and mark it at each foot of length Then do a mock cable run using the string dressing it neatly along the way Count the divisions to the next full foot and add one foot to...

Страница 12: ... turn the amplifier off and wait 30 seconds for the amplifier to discharge Both the preamplifier and amplifier should be off Connect a playback unit CD VLD Tuner etc to the preamplifier Turn the volume on the preamplifier to minimum Turn on the preamplifier then the amplifier in that order Set source on the preamplifier to the playback unit you ve just connected Turn volume up slowly and music sho...

Страница 13: ...on 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 cables 1 Check all connectors and repair as necessary Low output from amplifier 1 Balanced switch in balanced mode when using unbalanced inputs 1 Put balanced switch in correct position Channel sounds di...

Страница 14: ...impedance 33 2 k ohms Damping factor 450 Current peak to peak 75 Amps Slew rate 14 V sec Dynamic headroom 1 2 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 42 lbs Power consumption 650 watts max 6 9 Amps max current draw 70 watts no input Replacement fuses Line 12 Amp 250 Volt Slow Blow Rails 6 Amp 250 Volt Slow Blow ...

Страница 15: ...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...

Страница 16: ...13004 rev 0004 B K Components Ltd 2100 Old Union Road Buffalo New York 14227 716 656 0023 www bkcomp com ...

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