
Primare I21 Integrated Amplier

Copyright and acknowledgements
Copyright © 2004 Primare Systems AB.
The information in this guide is believed to be correct as
of the date of publication. However, our policy is one of
continuous development and so the information is subject
to change without notice, and does not represent a com-
mit ment on the part of Primare Systems AB.
Primare is a trademark of Primare Systems AB. All rights
reserved. All other product names are trademarks or regis-
tered trade marks of their respective owners.
This equipment generates and can radi-
ate radio frequency energy and if not installed and used
correctly in accordance with our instructions may cause
interference to radio communications or radio and televi-
sion reception. It has been type-tested and complies with
the limits set out in Subpart J, Part 15 of FCC rules for
a Class B computing device. These limits are intended to
provide reasonable protection against such interference in
This product has been de signed and type-tested
to comply with the limits set out in EN55013 and
This guide was produced by Condesign Ljungby AB.

Welcome to the I21 Integrated Ampli er
High-performance power ampli er
Fixed and variable outputs
Using the I21 with other Primare products
To switch on from standby or to standby
OPERATING THE I21 INTEGRATED AMPLIFIER
To dim the front panel display
To restore the normal display

Welcome to the Primare I21 Integrated Ampli er! This chapter
introduces you to its key features, and explains how you can
take advantage of its superb sound as the key component in
Welcome to the I21 Integrated Ampli er
The I21 is an integrated preampli er and power ampli er
with extraordinary performance for its price.
The I21 incorporates a power ampli er providing 75 Watts
per channel of superb quality sound.
The I21 preampli er stage provides four inputs, labelled
CD, TUNER, LINE 1, and LINE 2, to cater for a exible
The currently selected source is provided on two pairs of
line-level outputs, for connecting the I21 to other equip-
ment. The TAPE OUT sockets are independent of the posi-
tion of the volume control, and allow you to connect the
I21 to a tape recorder. The PRE OUT sockets are controlled
by the volume control, and can be used to connect the I20
The I21 incorporates a classic circuit design based on J-FET
input devices and bipolar output devices, typical of far more
expensive equipment, giving high performance and excellent
In keeping with the philosophy of the Primare range of sys-
tems, the I21 can be controlled through a very simple and
intuitive set of front panel controls.
Alternatively all the functions of the I21 can be controlled
by the C22 Remote Control supplied with the I21, along
with the other Primare components in your system.

Although the I21 is exible enough to work with virtu-
you have in your system, it is
ideal for use with the other products in the Primare range.
A particular bene t of using the I21 with other Primare
sources is that you can control your entire system with a
single remote control, to give you a fully integrated system
with the simplest possible user interface.

This chapter provides a quick overview of how to connect
the I21 integrated ampli er to other components in your
that the required supply voltage, indicated
on the back panel, cor re sponds to your local
AC supply. If a different voltage is stated on
the type plate do not connect the I21 to the mains power,
and seek advice from your dealer.
Connect the mains power using the enclosed mains cable.
the system from the mains power before connecting or dis-
connecting any of the cables. Never short circuit speaker
terminals. This might seriously damage the unit.
To prevent re or shock hazard, do not expose this
appliance to dripping or splashing. No objects lled with
liquids, such as vases, should be placed on the I21.
If you want to build in the I21 you need to be sure to
allow space of at least 20 cm behind, 10 cm on both sides
and 30 cm above the top panel of the unit. This is to pre-
vent re or damage caused by overheating. Also make sure
that the main switch is accessable.
Use the main switch under the left-hand edge of the
During normal operation you can leave the I21 switched
To switch on from standby or to standby
on the front panel or on the remote control,
will change the standby mode.

Right loudspeaker outputs
Right loudspeaker outputs

Connect the left and right loudspeakers to the correspon-
ding terminals. The terminals can accept speaker cables
terminated with 4mm banana plugs, spade terminals, or
bare wires. To connect bare wires unscrew the terminal,
pass the bare wire through the hole in the terminal bolt,
and clamp the wire in place by screwing the terminal back
The PRE OUT sockets provide a line-level output from
the I21 preampli er stage which can be connected to
another preampli er. The level of this output is controlled
by the VOLUME control on the I21.
The TAPE OUT sockets provide a xed level copy of the
currently selected source, suitable for connecting to a tape
Connect each source to the appropriate source input,
connecting the right channel to the red socket and the left
channel to the white socket.
To connect an analogue turntable with a moving mag-
net or moving coil cartridge you will need an additional
phono preampli er such as the Primare R20. The output
of the turntable is connected to the R20, and the output
of the R20 should be connected to a spare input on the

All the functions of the I21 Integrated Ampli er can be
accessed using the ve front panel push buttons and the
volume control. Information about all operations is dis-
played on the front panel display
The display keeps you informed about the volume
setting and currently selected inputs.
The VOLUME control changes the volume
The INPUT SELECTOR buttons select one of the
The STANDBY button switches the I21 to standby, or
switches it on from standby.

This chapter explains how to operate the I21 Integrated
Ampli er, using either the front panel controls or the remote
The I21 Integrated Ampli er provides a choice of four line
inputs, labelled: CD, TUNER, LINE 1, and LINE 2.
Press the button on the front panel or the remote
control corresponding to the source you want to select.
The currently selected source is indicated on the front
control to step between sources.
The I21 allows you to vary the volume from 0 (silence) to
Rotate the VOLUME control on the front panel, or
buttons on the remote control.
The current volume setting is shown on the front panel.

You can change the balance of the sound between the
left and right channels to shift the position of the stereo
button on the remote control.
The front panel display shows the current balance set-
ting, where -6 corresponds to the leftmost position, 0
corresponds to centre, and 6 corresponds to the rightmost
buttons on the remote control to
button again to revert to the
Alternatively the normal display will revert automatically
To dim the front panel display
button on the remote control.
The display will dim to show just the currently
To restore the normal display
OPERATING THE I21 INTEGRATED AMPLIFIER