Krell Industries PHANTOM II Owner'S Reference Manual Download Page 15 | Manualshive

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15

SECTION

FOUR

Anatomy of the Phantom II

This section describes the Phantom II Preamplifier functions.

Figure 1

Phantom II Front Panel

1 Power Button
7 Stand-by/Power LED
2 Infrared Emitter
4 Infrared Sensor
3 Front Panel Display
5 Menu Button
6 Enter Button
7 Standy-by/Power LED
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

Power

continued

Input
Selectors

Display

Level

Navigate/
Customize

Mute

Phase

Remote
Functions

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13
14
15
16
17
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Summary of Contents for PHANTOM II

Page 1: ...O W N E R S R E F E R E N C E P H A N T O M I I S T E R E O P R E A M P L I F I E R THE LEADER IN AUDIO ENGINEERING PHANTOM II ...

Page 2: ... the Phantom II preamplifier must be unobstructed at all times during operation Do not place flam mable material above or beneath the preamplifier 12 Before making connections to the Phantom II 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...

Page 3: ...rating the Phantom II SECTION FOUR Anatomy of the Phantom II page 15 Front Panel Description Remote Control Description Battery Installation and Back Panel Description SECTION FIVE Connecting the Phantom II to Your System page 26 Input and Output Connections Connection Steps SECTION SIX Phantom II Operation page 28 On Off and Stand by Operation SECTION SEVEN Customizing the Phantom II page 29 Navi...

Page 4: ...4 List of Illustrations Figure 1 page 15 Phantom II Preamplifier Front Panel Figure 2 page 19 Phantom II Remote Control Figure 3 page 22 Phantom II Preamplifier Back Panel ...

Page 5: ...r design very seriously We realize that no matter how impressive an amplifier s performance it can be no better than that of the preamplifier driving it Our new Phantom II preamplifier employs balanced Krell Current Mode gain stages from input to output and Current Audio Signal Transmission CAST receivers and transmitters Utilizing these powerful technologies the Phantom II conveys the complete ra...

Page 6: ...nd amplifier connected using CAST interconnects reduces the number of voltage gain stages to the minimum one The resulting noise floor approaches the theoretical limit of technology Negative feedback is not used any where in the preamp nor is it necessary Open loop distortion is typically less than 0 003 The volume control is realized with a balanced resistor ladder bandwidth and transient respons...

Page 7: ...nter 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 circuitry This current signal is then output using CAST circuitry When the signal is received by a CAST input Krell Current Mode circuitry again takes over u...

Page 8: ...e components 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 Phantom II components elevate the CAST technology to another level This advanced use of the technology increases the linearity transient speed and b...

Page 9: ...andwidth 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 groun...

Page 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 ...

Page 11: ...3 in 43 8 cm wide by 3 8 in 9 7 cm high by 18 3 in 46 4 cm deep and weighs 22 lbs 10 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 IEC Connector AC Power cord 1 Remote control 2 AAA size 1 5 Volt batteries for the remote 1 T 10 Torx wrench for the remote control 1 Owner s ...

Page 12: ...wide 3 8 in 9 7 cm high and 18 3 in 46 4 cm deep The Phantom II preamplifier requires at least two inches of clearance on each side and at least two inches of clearance above the component to provide adequate ventilation Installation inside cabinetry may require additional ventilation AC Power Guidelines The Phantom II preamplifier has superb regulation and does not require a dedicat ed AC circuit...

Page 13: ...fier and all com ponents Separate the AC wires from any audio cables to prevent hum or other unwanted noise from being introduced into the system 2 Connect the outputs of your source equipment to the appropriate CAST 18 balanced 15 single ended 16 or tape inputs 17 on the Phantom II 3 Connect the main outputs 20 on the Phantom II to your amplifier s inputs 4 Connect the supplied AC power cord to t...

Page 14: ... II 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 power ...

Page 15: ...tter 4 Infrared Sensor 3 Front Panel Display 5 Menu Button 6 Enter Button 7 Standy by Power LED 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 Power continued Input Selectors Display Level Navigate Customize Mute Phase Remote Functions ...

Page 16: ...stand by and operational modes 7 Stand by Power LED The preamplifier LED illuminates red stand by when the Phantom II is plugged into a standard AC wall receptacle It illuminates blue operational mode when the power button 1 is pressed while the Phantom II is in stand by mode Remote Functions on the Front Panel 2 Infrared Emitter The stand by Power LED 7 flashes when the Phantom II sends signals v...

Page 17: ...g rear panel input that is connect ed to a CAST C 1 C 2 balanced B 1 B 2 or single ended S 1 S 2 S 3 analog source The front panel display shows the selected input and volume level 11 Tape Button and LED or Key Use this button or key to select the tape input that is connected to an analog tape source The red tape LED illuminates when the tape input is selected The front panel display 3 shows TAPE ...

Page 18: ...r keys to increase or decrease system volume level or with the balance key C to adjust balance The level control knob or keys also select menu options that customize the Phantom II See Customizing the Phantom II on page 30 SECTION FOUR Anatomy of an Phantom II continued ...

Page 19: ...s 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 ...

Page 20: ...l 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 used for a long period of time Battery leakage can damage ...

Page 21: ...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 E Menu Key Use this key to enter CD or DVD player menus F Direction Keys Use these keys to navigate CD and DVD menus G Select Key Use this keys to make selections from CD ...

Page 22: ... C 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 12 VDC In Out 25 Phono Power Port for Krell KPE phono stage 26 IEC Power Cord Receptacle SECTION FOUR Anatomy of an Phantom II continued Inputs Outputs Remote Configurations Phono Power ...

Page 23: ...for 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 Phantom II is equipped with one single ended output with RCA connec tors one balanced output with XLR connectors and two CAS...

Page 24: ...corporate 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 Phantom II 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 For more information on customizing the...

Page 25: ...nnecting the preamplifier to a Krell KPE phono stage Power 26 IEC Power Cord Receptacle The IEC power connector is for use with the provided IEC standard 15 amp AC power cord This connector and power cord must remain unobstructed for easy removal in case of an emergency ...

Page 26: ...ST uses flexible interconnecting cables that can be drawn through tight spaces and concealed The Phantom II 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 180O ...

Page 27: ...tputs 20 on the Phantom II to your amplifier 4 Connect the supplied AC power cord to the IEC power cord receptacle 27 5 Plug the AC power cord into AC power The front panel display 3 scrolls through Phantom II SOFTWARE VERSION and the red stand by LEDs illuminate 7 indicating that the Phantom II preamplifier is in stand by mode The scrolling stops when the Phantom II is ready to be powered on Note...

Page 28: ... SECTION FIVE Connecting the Phantom II to Your System continued Figure 3 Connection Diagram 28 ...

Page 29: ... read INITIALIZING The front panel display shows the factory default input S 1 and level INF The Phantom II 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 list...

Page 30: ...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...

Page 31: ...own 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 ...

Page 32: ...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...

Page 33: ...select 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 afte...

Page 34: ...ftware 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...

Page 35: ...ontrol 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 butt...

Page 36: ...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...

Page 37: ...el 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 th...

Page 38: ...tween 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 men...

Page 39: ...election 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 disa...

Page 40: ...ont panel display reads RC 5 CONTROL Recall This function enables you to access factory default settings or your own saved settings 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 enter key 6 ...

Page 41: ...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...

Page 42: ... 3 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...

Page 43: ...dard input labeled S 4 The options are TAPE S 4 Enter the 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 TAPE 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 TAPE 3 Use the level control knob or the up and down keys to sel...

Page 44: ... 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 cabl...

Page 45: ...dental or consequential damages arising from purchase use or inability to use the product even if Krell has been advised of the possibility of such damages Proof of purchase in the form of a bill of sale or receipted invoice substantiating that the product is within the warranty period must be presented to obtain warranty service The warranty begins on the date of the original retail purchase as n...

Page 46: ...come 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 product is determined b...

Page 47: ...ements 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 wa...

Page 48: ...t 20 VDC for KPE via a 9 pin D subminiature connector Input impedance CAST 25 Ohms Balanced 40 k Ohms Single ended 20 k Ohms Output impedance CAST 1 M Ohms Balanced 250 Ohms Single ended 125 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 12 mA RMS Balanced 10 V RMS Single ended 6 5 V RMS Output o...

Page 49: ... L L 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 P h a n t o m I I S T E R E O P R E A M P L I F I E R ...

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