Exam & Practical

Sample exam · 6 questions · 80% required to unlock the practical. The full exam (60-question written exam + timed tuning scenario, 80% to pass) is timed and proctored.

Step 2

Practical submission for vetting

Tune file, before/after RTA captures and a recorded walkthrough. A DarkMatter engineer reviews every submission before a certificate serial number is issued.

Vehicle (year / make / model)

DSP unit serial number

Install photos JPG / PNG, min. 6 photos · drag & drop or click

Wiring diagram PDF or image · drag & drop or click

Measurement captures RTA / sweep exports, before & after · drag & drop or click

Tune file Exported .dmt preset · drag & drop or click

Notes for the vetting engineer

I declare this installation and tune is my own work and the vehicle may be contacted for verification.

Preview: files are not uploaded.

Written exam

Q1At the crossover frequency, each section of a 24 dB/octave Linkwitz-Riley crossover is down by:

Q2A tweeter is 34 cm further from the listener than the opposite tweeter. Approximately how much delay should the nearer tweeter receive?

Q3The main purpose of setting amplifier gain is to:

Q4On the AE-DSP8 PRO, which input source routes a mono sum of inputs 1 and 2 to a channel?

Q5A deep, narrow dip in an in-car measurement at one microphone position is best handled by:

Q6Before using an OEM speaker-level output as a DSP input you should first confirm:

Practical submission for vetting