I35 DAC Integrated Amplifier User Guide

Additional information

These instructions help you get the best possible sound from your I35.


The phase of the AC supply can make a significant difference to the sound.

Use the Polarity Pen supplied with the I35 to verify which pin is live on your AC power cable.

Ensure that the live pin of the AC power cable is connected to the left-hand pin of the power connector, viewed from the back panel:


Your Primare will start to sound best after an initial burn-in of approximately 24 hours. 

You will notice a further smaller improvement in sound quality for at least another 3 days’ playing.

RS232 and trigger

The RS232 input allows you to connect the I35 to a controller system. Use a twisted (null modem) cable. For more information contact Primare at info@primare.net or visit www.primare.net.

The Trigger output allows the I35 to switch on other devices, such as a CD32.

Using the I35 with a CD35

Your I35 is an ideal companion to the Primare CD35 CD Transport. For best results link the two products together as follows using the two cables supplied with the I35:

To connect the trigger cable

The Trigger cable ensures that the CD35 switches on, or to standby, when you operate the  button on the front panel of the I35.

  • Connect the Trigger cable from the I35 TRIG OUT to the CD35 TRIG IN.

Error messages

The following error messages on the front panel display indicate an error condition:


Clipping has occurred on an input. Decrease the input gain; see Input gain.


Try the following

  • Power off I35 and disconnect the speaker connections.

If this solves the problem, check the speaker wiring.

If the problem persists

  • Power off I35 and disconnect all input connections.

If this solves the problem, there is a DC offset on one of the inputs.

If the problem persists

  • Contact your dealer for service arrangements.

Factory reset

Press and hold the standby button on the front panel to display the main firmware version number.

Press and hold the standby button on the front panel for 10 seconds to perform a factory reset of the I35.

You can also do a factory reset from the Prisma app, or from the the standby button menu; see General settings.


Printing or saving as PDF

You can print an on-line Primare user guide from your web browser, to provide you with a permanent copy to refer to away from your computer.

Alternatively, you can save a user guide as PDF files, to refer to when are you not connected to the internet.

To do so, simply choose Print, or Print followed by Save as PDF, from your browser’s File menu.

For the specific procedure for each of the most popular web browsers see How do I print or save a PDF copy of the on-user guides?.


You can use Google Translate to translate the contents of the Primare website. To do that, select the language you would like to translate into in the list below.

Please bear in mind, since the Google Translate is an automatically generated translation, we do not take any responsibility for errors in the text.