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Krell Industries Evolution 202, Руководство пользователя для владельца

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12

Placement

Before you install an Evolution 202 preamplifier into your system, please follow the

guidelines in this section to select a location for your component. This will facili-

tate a clean, trouble-free installation. 

The Evolution 202 preamplifier does not require a special rack or cabinet for instal-

lation. The preamplifier chassis measures 17.3 in. (43.8 cm) wide, 3.8 in. (9.7 cm)

high, and 18.3 in. (46.4 cm) deep.

The Evolution 202 preamplifier requires at least two inches of clearance on each

side, and at least two inches of clearance above the component to provide ade-

quate ventilation. Installation inside cabinetry may require additional ventilation. 

AC Power Guidelines

The Evolution 202 preamplifier has superb regulation and does not require a dedi-

cated AC circuit. Avoid connections through extension cords or multiple AC

adapters. High quality 15 amp AC strips are acceptable. The use of AC line condi-

tioning devices is not recommended. The features provided by these devices are

already incorporated into the Evolution 202 power supply.

(SECTION TWO: Unpacking and Placement continued)

Содержание Evolution 202

Страница 1: ...O W N E R S R E F E R E N C E EVOLUTION E V O L U T I O N 2 0 2 S T E R E O P R E A M P L I F I E R THE LEADER IN AUDIO ENGINEERING ...

Страница 2: ...Evolution 202 preamplifier must be unobstructed at all times during operation Do not place flammable material above or beneath the preamplifier 12 Before making connections to the Evolution 202 preamplifier ensure that the power is off and other components are in mute or stand by mode Make sure all cable terminations are of the highest quality free from frayed ends short circuits or cold solder jo...

Страница 3: ... the Evolution 202 SECTION FOUR Anatomy of the Evolution 202 page 15 Front Panel Description Remote Control Description Battery Installation and Back Panel Description SECTION FIVE Connecting the Evolution 202 to Your System page 26 Input and Output Connections Connection Steps SECTION SIX Evolution 202 Operation page 28 On Off and Stand by Operation SECTION SEVEN Customizing the Evolution 202 pag...

Страница 4: ... page 15 Evolution 202 Preamplifier and Power Supply Front Panels Inset Preamplifier and Power Supply Stacked View Figure 2 page 19 Evolution 202 Remote Control Figure 3 page 22 Evolution 202 Preamplifier and Power Supply Back Panels ...

Страница 5: ...lize that no matter how impressive an amplifi er s performance it can be no better than that of the preamplifier driving it My new Evolution 202 preamplifier employs a powerful separate power supply Krell Current Mode gain stages from input to output and Current Audio Signal Transmission CAST receivers and transmitters Utilizing these powerful technolo gies the Evolution 202 conveys the complete r...

Страница 6: ...is used throughout Cascoded current mirror input and output stages utilize an LED voltage reference to achieve an exceptionally linear state of operation There is no feedback employed anywhere in the design A digitally controlled ana log volume control is accomplished entirely in the current domain The bandwidth and transient response through this circuit is virtually unaffected by the volume sett...

Страница 7: ... have their own electrical characteristics which affect the sonic presentation of the entire system CAST transmission unifies individual components and inter connects into an electrically linked whole The original signal remains unaltered from source to speaker CAST Basics Here is how a CAST audio system works Internally each CAST source transfers or amplifies current using Krell Current Mode circ...

Страница 8: ...mponents that Krell manufactures An all metal body and locking connectors with gold contacts are part of the standard no compromise specification devel oped for every CAST cable made Evolution CAST By employing radical current mirror circuitry the Evolution 202 components ele vate the CAST technology to another level This advanced use of the technology increases the linearity transient speed and b...

Страница 9: ...width provided by Krell CAST and its circuitry update Evolution CAST yield accurate realistic music reproduction enabling connected compo nents to perform as if they are all part of a single circuit Single ended A two wire input or output circuit Single ended connections are not recommend ed for connections requiring long cable runs Use care when using single ended connections because the ground c...

Страница 10: ...rell circuit topology in which the audio gain stages of a component operate in the current rather than voltage domain This unique technology provides the component with exceptional speed and a wide bandwidth SECTION ONE Definition of Terms continued ...

Страница 11: ...3 8 in 9 7 cm high by 17 7 in 44 8 cm deep and weighs 28 lbs 12 7 kg To Remove the Preamplifier from the Shipping Carton 1 Open the shipping carton and remove the top layer of foam The carton con tains these items 1 Preamplifier chassis 1 Power supply chassis 1 IEC Connector AC Power cord 1 12 pin DC cable 1 Remote control 2 AAA size 1 5 Volt batteries for the remote 1 T 10 Torx wrench for the rem...

Страница 12: ...requires at least two inches of clearance on each side and at least two inches of clearance above the component to provide ade quate ventilation Installation inside cabinetry may require additional ventilation AC Power Guidelines The Evolution 202 preamplifier has superb regulation and does not require a dedi cated AC circuit Avoid connections through extension cords or multiple AC adapters High q...

Страница 13: ...ack panel DC power connectors 24 2 Neatly arrange and organize wiring to and from the preamplifier and all compo nents Separate the AC wires from any audio cables to prevent hum or other unwanted noise from being introduced into the system 3 Connect the outputs of your source equipment to the appropriate CAST 18 balanced 15 single ended 16 or tape inputs 17 on the Evolution 202 4 Connect the main ...

Страница 14: ...on 202 is now in the operational mode 2 With the preamplifier output muted or the volume fully attenuated select a source manually using the front panel input select buttons 8 9 or 10 or the remote input select keys Start playing the source Use the level control knob 14 or the remote level keys to set the volume to a comfortable level 3 To return the preamplifier to the stand by mode press the pow...

Страница 15: ...red Emitter 4 Infrared Sensor 3 Front Panel Display 5 Menu Button 6 Enter Button 8 Single ended Input Selection Buttons 9 Balanced Input Selection Buttons 10 CAST Input Selection Buttons 11 Tape Button and LED 12 Mute Button and LED 13 Phase Button and LED 14 Level Control Knob Inset Preamplifier and Power Supply Stacked View Power continued Input Selectors Display Level Navigate Customize Mute Ph...

Страница 16: ...the stand by and operational modes 7 Stand by Power LED The preamplifier and power supply LEDs illuminate red stand by when the Evolution 202 is plugged into a standard AC wall receptacle They illuminate blue operational mode when the power button 1 is pressed while the Evolution 202 is in stand by mode Remote Functions on the Front Panel 2 Infrared Emitter The stand by Power LED 7 flashes when th...

Страница 17: ...ected The front panel display 3 shows TAPE and the main volume level 12 Mute Button and LED or Key Use this button or key to mute the preamplifier output To unmute press the mute button again The red mute LED illuminates when mute is selected To customize mute operation see Mute on page 37 13 Phase Button and LED or Key Use this button or key to invert the absolute polarity of the main output by 1...

Страница 18: ...ion 202 See Customizing the Evolution 202 on page 29 Navigate Customize 5 Menu Button or Key Use this button or key to access the menu functions of the Evolution 202 For more information see Customizing the Evolution 202 on page 29 6 Enter Button or Key Use this button or key to configure the menu functions of the Evolution 202 For more information see Customizing the Evolution 202 on page 29 SECT...

Страница 19: ...ys 10 CAST Input Selection Keys 11 Tape Selection Key 12 Mute Key 13 Phase Key 14 Level Keys A Amp Pwr Key B Amp Sel Key C Bal ance Keys D Transport Keys E Menu Key F Direction Keys G Select Key H CD Key I DVD Key J Title Key Power Input Selectors Level Navigate Customize Mute Phase Balance CD and DVD Functions Amplifier Functions continued ...

Страница 20: ...eries Batteries are included with the shipment To install the batteries 1 Remove the remote control backplate using the supplied T 10 Torx wrench 2 Install the batteries following the battery position diagram on the plastic battery receptacle 3 Replace and secure the backplate Notes Replace batteries when remote control function becomes intermittent Remove batteries if the remote control is not us...

Страница 21: ... resume playing the track at the point when pause was engaged Play Key Use this key to begin compact disc playback Stop Key Use this key to end compact disc playback Track Forward and Back Keys Use these keys to select and begin playing the track that follows or precedes the current track Search Forward and Back Keys Press and hold these keys to scroll forward or backward through the current track...

Страница 22: ...1 C 2 19 Tape Output 20 Main Outputs Single ended Main Output Balanced Main Output CAST Outputs 21 CAN Link In Out 22 RS 232 Port 23 RC 5 In 24 DC Power Connector 25 12 VDC In Out 26 Analog and Digital Supply Fuses 27 IEC Power Cord Receptacle 28 Phono Power Port SECTION FOUR Anatomy of an Evolution 202 continued Inputs Outputs Remote Configurations Phono Power ...

Страница 23: ...use with a tape source 18 C 1 and C 2 CAST Inputs These are CAST inputs with 4 pin bayonet connectors for use with Krell CAST equipped input devices Outputs 19 Tape Output This single ended analog output is used for recording the selected input source 20 Main Outputs The Evolution 202 is equipped with one single ended output with RCA con nectors one balanced output with XLR connectors and two CAST...

Страница 24: ...components and other devices that incorporate a 12 V trigger This allows you to turn other components on or off or to and from stand by through the remote control When the Evolution 202 is switched to operational mode and is connected to other components through the 12 V trigger it sends a signal that will switch other components allowing whole systems or parts of systems to be easily coordinated ...

Страница 25: ...er chassis and the power supply chassis using the provided 12 pin DC power cable 26 Analog and Digital Power Supply Fuses Always unplug the power cord before inspecting these fuses Always replace the fuses with the exact style and rating 27 IEC Power Cord Receptacle The IEC power connector located on the power supply chassis is for use with the provided IEC standard 15 amp AC power cord ...

Страница 26: ...CAST uses flexible interconnecting cables that can be drawn through tight spaces and concealed The Evolution 202 also offers balanced operation The circuitry and connections associated with balanced operation not only can minimize sonic loss but also are immune to induced noise especially for installations using long cables XLR Pin Configuration Pin 1 Ground Pin 2 Non inverting 0O Pin 3 Inverting ...

Страница 27: ...your source equipment to the appropriate CAST 18 balanced 15 single ended 16 or tape inputs 17 on the Evolution 202 4 Connect the appropriate main outputs 20 on the Evolution 202 to your ampli fier 5 Connect the supplied AC power cord to the IEC power cord receptacle 27 6 Plug the AC power cord into AC power The front panel display 3 scrolls through EVOLUTION 2 SOFTWARE VERSION and the red stand b...

Страница 28: ...ad INITIALIZING The front panel displays shows the factory default input S 1 and level INF The Evolution 202 is now in the operational mode 2 With the preamplifier output muted or the volume fully attenuated select a source manually using the input select buttons or the remote keys 8 9 10 11 Start playing the source Use the level control knob or level keys 14 to set the volume to a comfortable lis...

Страница 29: ...ess the menu button on the preamplifier front panel or the menu key on the remote control Once you are in the menu you can press the menu button or key to exit the menu 14 Volume Knob or Level Keys Use the volume knob on the preamplifier front panel or the up and down keys on the remote control to scroll forward and backward through the menu hierarchy Each menu list is a continuous loop 6 Enter Bu...

Страница 30: ... keys 14 on the remote control to select AC MAINS 2 Press the enter button on the preamplifier front panel or the enter key 6 on the remote control The front panel display 3 shows the default mode OFF 3 Use the level control knob or the up and down keys to select the desired option OFF or ON 4 Press the enter button or key to confirm the selection The front panel display reads AC MAINS OFF The Evo...

Страница 31: ...e menu then 1 Use the level control knob on the preamplifier front panel or up and down keys 14 on the remote control to select INPUT BALANCE TRIM 2 Press the enter button on the preamplifier front panel or the enter key 6 on the remote control The front panel display 3 shows the default mode B 1 3 Use the level control knob or the up and down keys to select the desired input B 1 B 2 S 1 S 2 S 3 C...

Страница 32: ...lect BRIGHTNESS 7 Press the enter button or key The front panel display shows the default mode HIGH 8 Use the level control knob or the up and down keys to select the desired brightness OFF LOW 25 MED 50 or HIGH 100 9 Press the enter button or key to confirm the selection The front panel display reads BRIGHTNESS ON The front panel display is always on TIMED The front panel display times out after ...

Страница 33: ...ware version num ber 3 Rotate the level control knob clockwise or press the up key The front panel display shows the EEPROM version number 4 Rotate the level control knob clockwise or press the up key again The front panel display shows the PC board version number 5 Press the enter button or key Use the level control knob or the up and down keys to scroll through the version numbers of PC boards f...

Страница 34: ...ntrol knob on the preamplifier front panel or up and down keys 14 on the remote control to select INPUT NAME 2 Press the enter button on the preamplifier front panel or the enter key 6 on the remote control The front panel display 3 shows the default mode B 1 3 Use the level control knob or the up and down keys to select the desired input B 1 B 2 S 1 S 2 S 3 C 1 C 2 or TAPE 4 Press the enter butto...

Страница 35: ...RMAL The phase of the selected input is unaffected INVERT The phase of the selected input is inverted 180 degrees Input Trigger This function enables you to configure the input trigger The options are OFF NORMAL THEATER Enter the menu then 1 Use the level control knob on the preamplifier front panel or the up and down keys on the remote control to select INPUT TRIGGER 2 Press the enter button on t...

Страница 36: ...level control knob or the up and down keys to select the desired IR command from the list 4 Press the enter button or key to send the command out via the preamplifier front panel IR transmitter 2 The stand by LED 7 on the preamplifier chassis flashes indicating that the command has been sent 5 Repeat Steps 2 4 for each of the commands you wish to transmit 6 Press the enter button or key to confirm...

Страница 37: ...en linked pre amplifier channels All other settings remain local UNLINKED When a preamplifier channel is unlinked it does not respond to commands from any other linked preamplifier channels After the preamplifier channel is unlinked settings can be changed independent of other preamplifier channels Mute This function enables you to control the mute mode Options are FULL 20 dB BACK Enter the menu t...

Страница 38: ...lection The display reads DELAY 8 Use the level control knob or up and down keys to scroll to BACK 9 Press the enter button or key to return to TRIGGER 1 10 Use the level control knob or the up and down keys to scroll to TRIGGER 2 11 Repeat Steps 3 7 to set Trigger 2 ON The 12 Volt trigger output is enabled at power on for the selected trigger Trigger 1 or 2 OFF The 12 Volt trigger output is disab...

Страница 39: ...l display reads RC 5 CONTROL Recall This function enables you to access factory default settings or your own saved settings or to undo a clone The options are FACTORY SAVED Enter the menu then 1 Use the level control knob on the preamplifier channel front panel or up and down keys 14 on the remote control to select RECALL 2 Press the enter button on the preamplifier channel front panel or the or e...

Страница 40: ...s you to save a copy of the current settings The options are GO BACK Enter the menu then 1 Use the level control knob on the preamplifier channel front panel or up and down keys 14 on the remote control to select SAVE 2 Press the enter button on the preamplifier channel front panel or the or enter key 6 on the remote control The front panel display 3 shows the default mode GO 3 Press the enter but...

Страница 41: ... shows the default input B 1 3 Use the level control knob or the up and down keys to select the desired input B 1 B 2 S 1 S 2 S 3 C 1 C 2 or TAPE 4 Press the enter button or key The front panel display shows the default mode OFF 5 Use the level control knob or the up or down keys to select ON or OFF 6 Press the enter button or key to confirm the selection and return to the select ed input ON The s...

Страница 42: ...preamplifier front panel or the enter key 6 on the remote control The front panel display 3 shows the default mode dB 3 Use the level control knob or the up and down keys to select the desired option NUMERIC or dB 4 Press the enter button or key to confirm the selection The front panel display reads VOLUME DISPLAY SECTION SEVEN Customizing the Evolution 202 continued 5 Menu Button or Key Enter or ...

Страница 43: ...h the preamplifier channel off remove the interconnect cables then turn the preamplifier channel on If the hum disappears turn the preamplifier channel off and reinsert one of the interconnect cables Turn the preamplifier channel back on Repeat this process for each cable 3 If the hum reappears with one or both interconnect cables reinserted the cable needs to be replaced 4 If the interconnect cab...

Страница 44: ...nsible for notifying his or her Krell dealer distributor or Krell that a tube preamplifier will be used with the Full Power Balanced Series amplifiers so that the Krell dealer distributor or Krell can activate the coupling capacitors If the user does not notify the Krell dealer distributor or Krell and uses a tube preamplifier without the Full Power Balanced Series amplifier s coupling capacitor e...

Страница 45: ...o Krell for exchange become the property of Krell No expressed or implied warranty is made for any Krell product damaged by acci dent abuse misuse natural or personal disaster or unauthorized modification Any unauthorized voltage conversion disassembly component replacement perforation of chassis updates or modifications performed to the product will void the warranty The operating voltage of the ...

Страница 46: ...ents with the Service Department have been made in advance Proof of purchase will be required for warranty validation at the time of hand delivery IMPORTANT Use the original packaging to ensure the safe transit of the product to the factory dealer or distributor Krell may at its discretion return a product in new packaging and bill the owner for such packaging if the product received by Krell was ...

Страница 47: ...tput impedance CAST 1 M Ohms Balanced 50 Ohms Single ended 25 Ohms Gain 12 dB CAST or balanced output 6 dB single ended output Volume control Balanced current mode 16 bit discrete R 2R ladder Input overload CAST 14 mA RMS Balanced 14 V RMS Single ended 7 V RMS Output overload CAST 16 mA RMS Balanced 16 V RMS Single ended 8 V RMS Frequency response 20 Hz to 20 kHz 0 02 dB 0 1 Hz to 1 5 MHz 0 3 dB T...

Страница 48: ... N C 4 5 C O N N A I R R O A D O R A N G E C T 0 6 4 7 7 3 6 5 0 U S A T E L 2 0 3 2 9 8 4 0 0 0 FA X 2 0 3 8 9 1 2 0 2 8 E M A I L s a l e s k r e l l o n l i n e c o m h t t p w w w k r e l l o n l i n e c o m E V O L U T I O N 2 0 2 S T E R E O P R E A M P L I F I E R ...

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