PrimaLuna DiaLogue Two User Manual Download Page 5

5

Warning

To prevent serious injury, electrical shock or fire:

•  Do not operate with bottom plate removed.
•  Keep away from rain and moisture.
•  Always disconnect all cable connections to and from amplifier before changing fuses and/or 

tubes.

•  Do not replace fuses with any fuse other than the same type and rating as used by the factory. 
•  Do not replace tubes without reading instructions.
•  Do not replace fuses or tubes if you have any doubt about your ability to do so. We accept no 

responsibility for any personal or material damage due to incompetent use or users. 

Package Contents

DiaLogue Two Integrated Amplifier 

1

Power 

Cord 

  1

This Owner's Manual 

 

1

White 

Gloves 

  1 

pair

Tube Complement   

 

4 x KT-88

    2 

12AX7

    2 

12AU7

Main Fuse 

 

 

1 x 5Amp slow blow 5 x 20mm for 100-120VAC or

 

 

 

 

1 x 3Amp slow blow 5 x 20mm for 200-240VAC

Plate Fuse 

 

 

1 x 1Amp slow blow 5 x 20 mm

Heavy Metal System Remote Control 

1

Initial Setup

•  Carefully remove the DiaLogue Two from its packaging. Use the white gloves to prevent 

fingerprint smudges.

•  Remove the tube cage by carefully pulling it up and away from the amplifier.
•  Remove the protective foam surrounding the tubes.
•  Tubes are already installed. Check that each tube is firmly seated in its socket. Use gloves.
•  Replace cage back in its place if desired.
•  Check to see the power switch is off (down).
•  Connect each source to the corresponding plugs.
•  Connect your speaker wires, positive to positive, negative to negative. This unit is non-inverting.
•  Plug the powercord into the amplifier, then into the wall socket.
•  Switch the amplifier on.
•  The tubes will be warmed up and ready to use in about 30 seconds.

PrimaLuna

® 

DiaLogue Two

12

Fuse Protection

A note on fuses

:  If "someone who knows" tells you to wrap fuses with aluminium foil to avoid wasting 

money on new ones, it's best not to take his advice. Fuses are safety valves. They should always be 
replaced with the exact same value and type.

Warning

: Never attempt to check or replace a fuse while the amp is plugged in. Turn it off and unplug 

all speakers, components and AC cords before continuing. Wait 10 minutes to let tubes cool down and 
the circuit to fully discharge.

Plate Fuse

:

The plate fuse is located inside the amp, on top of the Adaptive AutoBias™ board. To replace it, 
remove the bottom plate using a Phillips #2-type of screwdriver. The fuse is located in a small plastic 
case on the end of the Adaptive AutoBias™ board. Refer to the pictures on this page. Remove the top 
cover. The fuse will be held on by the cover. Remove it by twisting the fuse out of the holder. Replace 
with a 1Amp slow blow 5 x 20 mm fuse. The cover will snap back into place. Re-install bottom plate of 
the amp.

Mains Fuse

:

The mains fuse is located on the rear of the amplifier, just below the power 
cord socket (see picture on this page). The fuse rating is 5Amp slow blow 5 x 
20mm for 100-120VAC and 3Amp slow blow 5 x 20mm for 200-240VAC . 
Replace with the same type and value fuse! The fuse holder can be snapped 
out using a small slotted flat blade screwdriver.

PrimaLuna

® 

DiaLogue Two

Summary of Contents for DiaLogue Two

Page 1: ...arding italian origin of Primaluna name I ve read the history section of the Primaluna village web site and found the following literally translated One probable interpretation of the name of the vill...

Page 2: ...its specifically authorized representatives 3 Remedy If this product contains material manufacturing or workmanship defects it must be packed in orginal packaging and returned to Durob Audio BV or its...

Page 3: ...ended life of sensitive components plus a reduced chance of tube failure from thermal shock Adaptive AutoBias exclusive to PrimaLuna This circuit monitors and smoothly adjusts bias constantly and inst...

Page 4: ...Mains fuse is out Replace fuse as per instructions on page 9 No output Power LED is on and tubes do light up normally Plate fuse may be out Replace fuse as per instructions on page 9 If the new fuse g...

Page 5: ...negative to negative This unit is non inverting Plug the powercord into the amplifier then into the wall socket Switch the amplifier on The tubes will be warmed up and ready to use in about 30 second...

Page 6: ...more difficult to predict This also depends on how gently or roughly you use your amplifier In general under normal conditions you can say between 2 000 and 3 000 hours Here are some tips on using tub...

Page 7: ...to own and operate While matched tubes are not a requirement it is still recommended if you want to get the very best results You can get the very best in replacement tubes as well as rare vintage NO...

Page 8: ...lifier affords you the opportunity of switching between Ultralinear and Triode modes by remote control You need not turn off the amp to do so you can switch while the unit is operating Although a fain...

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