WONDOM AA-JA31181 JAB 3-100 Class D Mono Amplifier Module with DSP 1x100W

WONDOM JAB3-100 Class D Mono Amplifier with DSP Module 1x100W

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Shipping date: 17-10-2019.

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WONDOM AA-JA31181 JAB 3-100

Class D Mono Amplifier Module with DSP 1x100W

WONDOM AA-JA31181 JAB 3-100 Module Amplificateur Class D avec DSP Mono 1x100W

High quality audio performances

The Wondom Class D JAB3-100 amplifier module provides 100W of mono power. With its integrated DSP it is ready to be integrated into your DIY projects such as active speakers. The JAB3-100 delivers a power of 1x100W (mono) while providing high quality sound. The JAB amplifier series incorporates Parallel Bridge Tied Load (PBTL) technology in which two outputs are connected together on one channel, resulting in higher power and efficiency.

Compatible JAB1 & JAB2

Class D Mono Amplifier Module with DSP 1x100WThe JAB1 and JAB2 offer a stereo solution for Bluetooth speakers. The JAB3s, in addition to offering a headphone amplifier, include a DSP. This means that when a JAB3 works with a JAB1/2, you get a complete 4.0 (BTL), 2.1 and 0.2 (PBTL) audio system with control interface and signal processing. Thus, you can use these solutions for active speakers.

Integrated DSP

Thanks to an integrated serial debug port, you can reprogram the integrated DSP in your JAB3 amplifier in order to modify / add new functions. There are two ways to do so (one is really powerful while the other is quick and simple)

SigmaStudio

WONDOM_ICP3_6.jpg


SigmaStudio is certainly the most complete and powerful solution for ADAU1701 DSP Chip programming (and the most technical as well). This solution lets you set up your JAB3 with many digital processing tools such as equalizers, crossovers (frequencies redirection) specific treatement for low frequencies, multiband dynamics...etc. SigmaStudio is a very powerful tool that can also set specific signal processing algorithms for each channel.

The SigmaStudio method uses a programmation module to flash the DSP internal memory (integrated to JAB3). Once it is done, the JAB module runs the DSP algorithms independent when powered (does not need the programmation module to stay plugged).

This solution is also suited for non-HIFI applications (sound acquisition / synth) that need to use both Σ-Δ ADC and the four integrated Σ-Δ ADC, while enjoying a dynamic range of 98.5dB. Each ADC has a THD+N of -83dB and each DAC has a THD+N of -90dB.

Getting started with SigmaStudio

You will find on this page a guide to discover SigmaStudio and a walkthrough to connect the programming module as an interface between your JAB3 and your computer.

Tutoriel Sigma Studio

MIUMAX

WONDOM_ICP3-1.jpg

WONDOM_ICP3-2.jpg


The app MIUMAX (available on Android and IOS) is by far the simplest solution and allow you to set up your JAB3's DSP in a few minutes. This method covers the functions of volume / gain / filters / delay / phase / 10-bands equalization, which is already impressive for a DSP integrated to an amplifier of this size / power.

MIUMAX uses the programming module ICP3 as a remote control which uses your smartphone (or any bluetooth device running on android or IOS) as an interface for DSP configuration. MIUMAX's configuration menu is really easy to understand for beginners.

It is also a very pratical tool for real-time test while being able to move and experience the whole listenning room.

Technical characteristics

Specifications
Product typeAmplifier module with DSP
Channels1 (Mono)
Output power1x100W
Integrated DSPADAU1707
Mode PBTL (Parallel Bridge-Tied Load)Yes
Integrated headphone amplifierYes
ControlsPossibility to add a control module (sold separately)
CompatibilityJAB1
JAB2
THD (Vo=700mVrms, f=1kHz)0.12%
Noise output (Vin=12V)8.5µV
SNR (Vo=700mVrms, f=1kHz)92dB
OutputsSpeaker terminals (PBTL)
1x Jack 3.5mm
Power supply19V
Dimensions91 x 68mm
Fixation holes spacing84x65mm
bridge.jpg
 
Data sheet
Channel1 channel (Mono)
ClassClass D / T
Total Power (W)100-150
 
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assez génial !
Pour 35€ vous avez un DSP et un ampli classe D tout à fait correct !
On regrettera la très faible documentation Wondom se résumant a quelques vidéos...
La programmation de l'engin est un peu laborieuse et demande le respect d'une procédure pour uploader son programme.
Je l'ai utilisé dans une enceinte bi-amplifiée avec le JAB3 pour les aigus et un T'Amp pour les graves. On peut régler le crossover, mettre en place des limiteurs pour protéger les HP, règler le volume avec un petit encodeur rotatif... Si j'achète un micro de mesure UMIK 1 je pourrais même corriger automatiquement mes HP...
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