Bel Canto SET 40 User Manual Download Page 5

SET 40

 Owner's Manual

Page 5

Initial Setup and Assembly

Assembling the 

SET 40

 requires that the 845

power triodes be placed in the tube sockets

prior

 to plugging the amplifier into the power

outlet.

NOTE:

  This procedure is not difficult or

dangerous if done according to the following
instructions, but it does require some care in
handling the 845 tube.  If you are unsure of
yourself or would like more help than can be
given in this manual, please contact your dealer,
who will be pleased to help you set the 

SET 40

up.  All of our dealers are chosen with this
service in mind, and we urge you to request
dealer assistance in setting up your system.

Follow these steps in inserting or changing the
845 tube.  (Total time for this procedure: 
approximately 15 minutes.)

1.

Be certain the SET 40 is not

connected to a power source.

  This is the

most important step!  The amplifier could be
damaged if power is applied without the tubes in
place 

and

 extremely dangerous voltages are

present and assessable at the tube sockets if
power is on!

2.  Remove the 845 tube from its wrapping.  It

is important for tube life that oils from your
hands do not get on the upper part of the glass
tube envelope.  Insert the 845 into the large
socket, taking care to line up the bayonet pin
protruding from the metal base of the tube with
the slot in the tube socket.

3. Push down on the tube until you feel that

the pin has reached the bottom of the slot in the
socket.  Some force and slight movement of the
tube may be required to get the tube to clear the
contacts and go down far enough so that the
tube can rotate.  Do not apply too much
rotational force until you are

Warning

1. Never remove the bottom panel of the amplifier.  There are no fuses or user serviceable

components in the amplifier, and dangerous voltages could be present if the bottom cover is
removed.  Removal of this cover or any tampering with the amplifier will immediately void the
warranty.

2. Never plug the amplifier into the power source without all tubes in place and the protective tube

covers attached to the top plate of the chassis.

3. Always use a correctly grounded power outlet to ground the chassis of the amplifier.  If there

is any question about this refer to your dealer/importer or a qualified electrician.

4. Never connect the amplifier to any other audio components until directed to proceed later in this

manual.

!

Summary of Contents for SET 40

Page 1: ...Bel Canto Design SET 40 Single Ended 845 Triode Stereo Power Amplifier User s Guide and Operating Information Bel Canto Design August 2000 ...

Page 2: ...t of circuit architectures with the highest quality of parts and construction to produce an audio amplifier which is unparalleled in recreating the musical event Contents Bel Canto Design Statement 3 Unpacking 4 Initial Setup Assembly 5 Connecting the SET 40 into Your System 7 Technical Description 9 Specifications 10 Warranty Information 11 ...

Page 3: ...s a reference tool to explore the reasons behind the single ended triode amplifier s uniquely musical attributes For the better part of a decade this quest continued and has resulted in a line of fine audio amplifiers that are designed to incorporate the unparalleled musical reproduction of the single ended triode architecture Bel Canto Design s goal for the SET Line is simply to provide the most ...

Page 4: ...butor before attempting to transport the amplifiers The SET 40 power supply is preset for the proper national voltages before you receive it The power cable will have the correct plug for your local power system If you believe this is not true please contact your dealer immediately Do not attempt to alter or change power settings yourself Warning Do not connect power to this amplifier yet This pow...

Page 5: ...t for tube life that oils from your hands do not get on the upper part of the glass tube envelope Insert the 845 into the large socket taking care to line up the bayonet pin protruding from the metal base of the tube with the slot in the tube socket 3 Push down on the tube until you feel that the pin has reached the bottom of the slot in the socket Some force and slight movement of the tube may be...

Page 6: ...the bayonet pin is at the bottom of the slot before applying rotational force on the tube The pin could be damaged if too much force is applied if it is not at the bottom of the slot Place the tube cover ring assembly over the 845 and push it home into the three sockets for the banana type plugs on the ring assembly 4 When the 845 tube is in place check that the 4 12AX7 input driver tubes are corr...

Page 7: ...ith loudspeakers which have greater than 6 ohm minimum impedance The 4 ohm position should be used with loudspeakers with 3 to 6 ohm minimum impedance The impedance selector is between the loudspeaker outputs Power Switch The rear panel power switch marked 0 1 will take the amp out of standby when switched to the 1 position The input tube filaments are always powered to insure a gentle turn on and...

Page 8: ...ose a loudspeaker which works well for your tastes in your room with your system A dealer which sells the SET 40 will be more than competent to guide you in your selection Amplifier Placement and Power on When installing the amplifiers it is important that they receive adequate ventilation Allow at least 6 inches above the amplifiers and be certain that the holes on the bottom cover are open to ai...

Page 9: ... the power supply which uses two high value PI filters with 2 10 Henry inductors and over 150 Joules of energy storage This provides a very quiet and well regulated supply for the output stage The capacitors used for all high tension supplies and decoupling are the highest quality audio grade polypropylene film caps The single coupling capacitors are custom Bel Canto film and foil units The output...

Page 10: ...mping Factor 3 across full bandwidth Input configuration and impedance 100K ohm single ended RCA Gain at 8 ohm tap 21 dB Power Requirement 110 120 220 240 VAC 50 60 Hz 400 VA Voltage settings are made at our facility to correspond to requirements of the country in which the product is shipped Size 19 5 W x 15 D x 11 H 496 mm x 381 mm x 280 mm Weight 85 lbs 39 kg Service Under normal operation the ...

Page 11: ...rts and workmanship this does not include tubes that will replace any defective parts directly This warranty is void if damage is due to abuse neglect or unauthorized modification Bel Canto Design products are uniquely identified with a serial number on the back of each unit This number is required to validate your warranty please reference if service is required If you have any questions comments...

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