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 Conrad-

Johnson ET7 Owner’s Manual

6

Connection

SOURCES  (PH/AUX,  TUNER,  CD,  VIDEO,  AUX2):

  These  high

level inputs are electronically equivalent. The load they present to
the  source  varies  with  the  volume  control  setting,  but  in  no  case
will  it  drop  below  12  kOhms.  Connect  the  corresponding  source
components to these inputs.

EPL1:

  A  set  of  line-level  inputs  and  outputs  provided  for

connection of external signal processors (e.g. parametric equalizer,
tone controls). These can also be used for the connection of a tape
recorder. In this case, connect the EPL OUT to the recording input
of  your  tape  recorder,  and  the  EPL  IN  to  the  output  of  your  tape
recorder. The EPL IN connection can also be used as an additional
line level input.

THEATER:

  This  is  an  external  processor  loop  designed  to

conveniently  accommodate  the  addition  of  a  surround-sound
processor  (SSP)  to  a  high-quality  two-channel  system  without
compromising two-channel performance. Connect the front left and
front  right  channel  outputs from your SSP to the EPL2 input. You
can  also  connect  the  THEATER  OUT  to  an  input  on  your  SSP,
allowing  you  to  do  matrix  processing  on  selected  two  channel
sources. When THEATER is selected, the level controls are set to
unity gain. Level and balance control is then accomplished via your
surround sound processor.

MAIN  OUT:

  Two  pairs  of  main  outputs  are  provided.  Connect  to

the  input  of  your  amplifier  (or  crossover  in  a bi-amplified system).
We recommend the use of an amplifier with an input impedance of
20k  ohms  or  higher.  Since  the  ET7  inverts  phase,  it  may  be
necessary to invert the speaker leads to maintain correct absolute
phase.  See  the  section  on  “Getting  the  most  out  of  your ET7" for
an explanation.

Summary of Contents for ET7

Page 1: ...Conrad Johnson Owner s Manual ET7 Vacuum Tube Line Stage Preamplifier conrad johnson It just sounds right...

Page 2: ...ormance over the years Our reputation for producing among the industry s most reliable components is a natural consequence of this engineering approach Although the ET7 has been designed to operate in...

Page 3: ...rad johnson dealer in the United States for use in the United States d Normal wear e Incidental or consequential damages are not covered under this warranty Some states do not allow the exclusion of i...

Page 4: ...son service department can also be reached by e mail at service conradjohnson com by phone at 703 698 8581 or by fax at 703 560 5360 Service If your conrad johnson audio component requires service rep...

Page 5: ...ower supply design have all been specified with a view to reducing the impact of electromagnetic fields on the performance of this unit At the same time however our primary goal is the accurate reprod...

Page 6: ...and cable dress can be an important factor in minimizing hum pickup The installation should situate the preamplifier well away from the power amplifier and power ac mains cords should be dressed to r...

Page 7: ...nal processor loop designed to conveniently accommodate the addition of a surround sound processor SSP to a high quality two channel system without compromising two channel performance Connect the fro...

Page 8: ...tton will silence the preamplifier s main outputs and set the level display to zero on both channels Pressing the mute button again will restore the previously selected level setting vol up vol dn Lev...

Page 9: ...unit is in standby mode will switch it back on SELECTORS PH AUX TUNER CD VIDEO AUX2 You can directly access any of these inputs by pressing the associated button on the remote EPLS EPL1 EPL2 Pressing...

Page 10: ...vailable which will improve the sonic performance of your ET7 The tubes that we supply have been tempered by a controlled burn in procedure that permits them to perform for a greatly extended period w...

Page 11: ...ressure and the system is said to be phase inverting Each component in the stereo system either preserves the phase of the incoming signal and is said to be phase correct or inverts the phase and is s...

Page 12: ...oice of interconnects will be system dependent those that are top ranked on one system may be a poor choice for a different system Consult your conrad johnson dealer for recommendations for your speci...

Page 13: ...ne fuse on the ac mains A failure of any of these fuses is a symptom of a more serious problem and a competent service technician should be consulted In no event should these fuses be replaced with a...

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