Krell Industries KSA-100S Owner'S Reference Manual Download | Manualshive

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Summary of Contents for KSA-100S

Page 1: ... NALOG AND DIGITAL PRODUCTS S SERIES I BIAS LEVEL I 04 0 40 O 0 01 10 KSA 100S 200S 300S OWNER S REFERENCE ...

Page 2: ... KSA and related system components This Owner s Reference is divided into several sections each designed to perform a different function As you read through it you will become better acquainted with the features and functions that make the KSAseries amplifiers a superb value A Question and Answer section is also included where answers to common questions are provided Should you have any questions ...

Page 3: ...MOTE MASTER SLAVE CONNECTIONS 9 INPUT AND OUTPUT CONNECTIONS 12 AMPLIFIER OPERATION 13 TURN ONDESCRIPTION 14 SYSTEM NOISE 15 BIAS LEVEL METER 16 FRONTPANEL METERBUTTON 17 REMOTECONTROLFUNCTIONS 18 PROTECTION CIRCUITRY AND TROUBLESHOOTING STEPS 20 QUESTIONSANDANSWERS 22 SPECIFICATIONS 23 WARRANTYAND SERVICE INFORMATION PAGE3 ...

Page 4: ... second piece of foam The following items will now be visible i i i i 4or5 KSAstereo amplifier Remote control Warranty card AC power cord Rubber feet bottoms KSA 300S has 5 feet NOTE If any of these items are not included please contact your authorized dealer immediately for assistance 6 Removethe plastic bag from the amplifier NOTE Save all packing materials If you must ship your KSAin the future...

Page 5: ...pace or arrangement flexibility for the amplifier to be placed near the speakers To allow for this the KSA amplifiers can be turned On or Offfrom a room other than the listening room This type of amplifier placement is referred to as Remote Installation The KSAcan be placed in a room or space close to the speakers but out of sight and turned On and Off from the listening room There is a provision ...

Page 6: ...amplifier should have adequate ventilation The KSAamplifiers have very large power supplies As a consequence the amplifiers are quite heavy Whenpurchasing a rack or cabinet keep weight in mind Most racks are not capable of withstanding the weight of these units The exact weight and dimensions for the KSA 100S 200S 300S are in the Specifications section of this manual AC POWER CONSIDERATIONS The KS...

Page 7: ... for linking multiple amplifiers together Whenthe Master Slave cables are connected to each of the amplifiers involved their meter function controls and On Off capabilities will be linked and controlled from one amplifier Select the amplifier that you want to receive operation commands That amplifier will be the Master Follow the instructions below for connecting the amplifiers Consider the Master...

Page 8: ... Off via the remote control or front panel switch If the unit is unplugged the memorywill not remain and the meters may need to be resynchronized Whenlinked and synchronized correctly ON OFFand meter functions will happen simultaneously only when the remote control is used NOTE Each individual amplifier canbe turned ON OFF and have meter functions changed via the front panel separately If you chan...

Page 9: ...tween the binding posts indicates the positive output terminal This is commonly referred to as red or hot The sign between the binding posts indicates the negative output terminal This is commonly referred to as black or ground CAUTION Makesure all cable terminations are of the highest quality free from frayed ends shorts or cold solder joints 2 Connect the interconnect cables from your preamplifi...

Page 10: ...hould be connected to a preamplifier Do not attempt to use the single ended and balanced inputs simultaneously 3 Insert the ACpower cord into the receptacle located on the back of the KSA Insert the other end into the wall ACreceptacle Refer to the Basic Installation section for ACpower requirements 4 The amplifier is now ready for operation Should you have any questions regarding system set up co...

Page 11: ...CONNECTIONS LOUDSPEAKERS KSA AMPLIFIER R L PAGE 11 ...

Page 12: ...o the amplifier should not be changed while the amplifier is on NOTE Care must be taken when setting high playback levels Because of their tremendous reserve of clean power KRELLamplifiers safely drive speakers to higher sound pressure levels than other amplifiers This also means driving the speakers to their limit Always turn the level downat the first sign of distortion Whenturning the system of...

Page 13: ...s level upon turn on and slowly work their way down to no bias This process takes approximately 1 minute The amplifier is ready to use once the bias meters have settled to the no bias level 1 Push the black Power button on the amplifier front panel to turn it on The Power button is the larger of the two buttons at the top of the face plate The blue LEDlabeled POWER in the center of the bias meter ...

Page 14: ...e trouble shooting steps 1 Check all of the input and output connections making sure they are of sound construction With the amplifier off remove the interconnect wiring and tum the amplifier back on If the hum disappears shut the amplifier off and reinsert one of the interconnect cables and turn the amplifier back on If the humis present with one or both interconnects inserted there may be a defe...

Page 15: ...hould the demand parameters exceed the bias level the amplifier is presently working under the amplifier will increase its bias to the next level to allow all signal to come through in Class A operation If the demand parameters are less then the bias level indicates for more than 15 20 seconds the amplifier will drop to the next lowest bias level The bias levels are indicated by appropriate LEDs i...

Page 16: ...he Power button on the front panel controls Bias Meter display illumination Whenengaged the meter display will no longer indicate bias levels only the Blue pilot LEDwill be visible The Bias Level meter can also be turned on or off via the remote control PAGE 16 ...

Page 17: ...switched On the Blue POWER LED and Bias Level Meter display will illuminate Whenthe amplifier is switched Off no LEDs will be illuminated Whenthe Bias Level Meter is turned off no LEDswill be visible except for the blue pilot LED Whenthe Bias Meter display is on the bias level will be displayed with the appropriate LEDs BATTERY INSTALLATION NOTE Batteries should be replaced when the KSAfunctions f...

Page 18: ...amplifier related failure If the amplifier will not turn on or stay on 1 Disconnect all input and output connections Once this is completed try turning the amplifier on If the amplifier does not come on check the circuit breaker on the back panel If the circuit breaker has popped out or appears to be more extended than usual reset the breaker switch by pressing it back in If the amplifier still do...

Page 19: ...lated Check to make sure there are good mechanical connections on the intercon nect cabling and there are no broken terminations Have your interconnect cables checked and repaired if necessary by your dealer before proceeding Should the cabling from the preamplifier to the amplifier input be functional check source component interconnects Should the interconnects prove to be sound throughout the s...

Page 20: ...ers There wasnever a hum before the KSAwas in the system What should I do A Often when a new component is introduced into an audio system a hum may become present This is often caused by a ground loop in the system or by defective cabling Check your cables to and from the amplifier If the hum persists contact your dealer or the KRELL staff for assistance Q Can I use special audio power cords on th...

Page 21: ...lifiers will sound better because of the increased control over the speaker Should you have any questions contact your dealer or the KRELL staff for assistance Q WhenI connected the KSAto my system with the single ended inputs a loud buzz came through my speakers Is the amplifier broken A The KSAhas special shorting pins in the XLRinputs that enable the amplifier to function properly with the sing...

Page 22: ...gl ohms it DIMENSIONS LENGTH WIDTH HEIGHT SHIPPING WEIGHT KSA 100S 0 1 0 5 26 0dB 100dB 1 4VRMS 47K 8O 0 28 3 100W 200W 400W 800W 19 25 19 0 8 5 95LBS KSA 200S 0 1 0 3 25 5dB 108dB 2 1VRMS 47K 113 40 0 200W 400W 800W 1600W 21 0 19 0 8 5 125LBS KSA 300S 0 1 0 3 25 5dB 110dB 2 5VRMS 47K 139 49 0 300W 600W 1200W 2400W 25 0 19 0 8 5 200LBS PAGE22 ...

Page 23: ...pay return freight to the US based freight forwarder of your choice Freight and other charges to ship the unit from the freight forwarder to you are also your responsibility The operating voltage of this unit is determined by the factory and can only be changed by an authorized KRELLDistributor or at the factory The voltage for the KSA 100S 200S 300S in the USAcan not be changed until six months f...

Page 24: ...KRELL 45 Connair Road Orange CT 06477 SALES 203 799 9954 FAX 203 799 9796 1994 KRELL INDUSTRIES KSA9406 ...

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