The modern Acoustic Audio Analyzer System

FINE R+D))2018   10Hz - 100 kHz

The new FINE R+D can sample at 48, 96 and 192 kHz, and measures SPL and impedance up to ~100 kHz. Amplifiers, microphones and crossovers can be directly measured. It performs High Accuracy impedance measurements in 2 modes: LO (Low current), HI (High current).
FINE R+D saves ALL time data so the engineer can change the FTT window and other settings later, giving unseen flexibility. Also Polar plots, Contour plots and automatic conversion from measured frequency responses are included. The new Normalisation Mode is ideal for Microphone measurements and relative SPL responses.

Demo video

With every purchase of FINE R+D you will receive the new video: 

"How to Measure Loudspeakers and Drivers in Normal Rooms"

Learn how to measure Woofers, Subwoofers, Midranges etc in your Office or Lab from 10Hz to ~100khz. Including Baffle, Nearfield, Free air, Impedance measurements and TS parameters.


FINE Hardware 3:

  • 3 Microphone input channels with selectable 48V Phantom power

  • Main amplifier 25W, balanced

  • XLR balanced Line Out

  • Built-in power supply

  • Factory calibrated.

The FINE R+D FFT system performs all anechoic acoustic measurements on loudspeaker systems, woofers, midranges, tweeters, compression drivers, headphones, headphone speakers, headsets and micro speakers. And Amplifiers, microphones and crossovers can be directly measured.


The intuitive FINE R+D system uses the same FINE hardware as FINE QC, providing an R&D system with all advanced features such as 16 or more anechoic FFT measurements, T-S parameters, SPL, and impedance with phase, harmonic distortion, waterfall, real-time analysis (RTA), and numerous curve splice/averaging options.

The latest version has polar plots, contour plots and automatic conversion from measured frequency responses. The new Normalisation Mode is ideal for Microphone measurements and relative SPL responses. For windows 7, 8, 10 (+64bit).

Download FINE R+D Manual (3.1 Mb)

Download FINE R+D Features (0.3 Mb)


• Anechoic Measurements in normal rooms
• Frequency range up to ~100 kHz. 48, 96 and 192 kHz sampling.
• Multiple curves - 16 + 16 + (Run FINE R+D Viewer)
• Auto-save Time Measurements (Change Window + Smoothing again and again)
• Normalizing of Measurements, i.e. from 1V/50cm to 2.83V@1m
• Real Time Analyser - RTA
• LO (Low current) and HI (High current) Impedance modes
• THD and 2nd to 9th Harmonic Distortion
• Waterfall plots
• Polar and Contour plots with drag and drop incr. +/-1, +/-5, +/-10, +/-15, +/-20, +/-30, +/-45 deg.
• Direct Cross-over and Amplifier measurements
• Cosine / Hann and Rectangular windows
• Combine bass reflex and woofer measurements
• Curve Averaging, Offset and Splicing with level tracking
• Precise Thiele/Small Parameters
• Preview & Drag & drop files from/to Klippel / LMS / VACS / MLSSA etc.
• Auto Delay (Selectable) with Distance calculation
• Fast measurements < 2.5 sec
• Measure using keyboard F3 / F4 shortcuts
• FINE Hardware 3 with built-in 25W Power Amplifier and 3 phantom microphone /preamps
• Improved PRINT w/ customizable Logo
• Windows 7 / 8 / 10 – 64 bit compatible
• Microphone measurements (relative to Ref mic)
• Bluetooth measure with Latency compensation

Time Window- without / w Reflections
THD and 1 - 9th Harmonics
TS Paramters
RTA Real Time Analyzer
Bass Reflex: Port + woofer
(Class D) Amplifier Testing
DUT Electronics Testing

LOUDSOFT - Agern Alle 3 - 2970 Horsholm - Denmark - Phone: (45) 4582 6291 - Fax: (+45) 4576 5708 - E-mail: