FSDD 120L Dual Differential Stereo Amplifier Class A/B 2x120W 4 Ohm

FSDD 120L Dual Differential Stereo Amplifier Class A/B 2x120W 8 Ohm

Average votes for this product
4.6 / 5

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Reference : 12223
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49,92 €tax excl.

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Shipping date: 30-11-2020.

Orders placed before 11AM (GMT+1) will be shipped the same day (working day).

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FSDD 120L Dual Differential Amplifier Modules Class AB 2x120W 4 Ohms

This stereo amplifier is designed on the basis of transistors known as FET IRFP240 / IRFP9240. It is based on a legendary scheme of double-differential type. Thus, it proves to be an excellent choice for any DIY amplifier creation project, for passive or active speakers. It is in fact a slightly modified version of amplification module FSDD120, with the difference that it integrates a radiator on the MOSFETs.

It works with Class A / B amplifiers and provides output power of 2x120W at 4 ohms. It can be used for many audio systems, ensuring high-quality sound reproduction.

Due to its original layout and its classic drive stage NPN and PNP, designed in pure discrete transistor without any stage amplifier integrated AOP, it will provide dynamic, timbre accuracy and a breathtaking sound image.


TECHNICAL CHARACTERISTICS

  • Output Power: 2x120W / 4 Ohm
  • Power supply: 30VAC (Max 35VAC) (approx. 300VA)
  • Frequency range: 4Hz-3dB, 350kHz-3dB
  • Bridge rectifier Sanken 50A
  • 2x Capacitor 50V 10000uF
  • Amplifier Type: Class A / B
  • Omron UPC 1237 relay with DC protection
  • Integrated heatsink on power transistors
  • Dimensions: 160 x 132 x 63 mm
  • Mounting hole spacing: 139 x 88 mm
  • Weight: 460g

PCB FSDD 120L Amplifier

 
Data sheet
Channel2 channels (Stereo)
ClassClass A / AB
Total Power (W)100-150
 
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Average votes
4.6 / 5
10 reviews
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Note :
 4/5
Date :
Ampli 2x120w sur 4 ohms
Facile a installer. Le fonctionnement est correct. Cependant, je suis étonné pas la tempérarure atteinte par les transitors de sortie et leur driver. J'imagine que les tests nécessaires ont été faits
 (0)
 (0)
This review has been posted for FSDD 120L Dual Differential Stereo Amplifier Class A/B 2x120W 4 Ohm
Note :
 5/5
Date :
Très bien
La connexion des entrés n'est pas très pratique, mais tout le reste est bien. J'ai regardé l'amplificateur à l'oscilloscope la bande passante est largement supérieure à la bande audio il passe 30khz sans distorsion et l'écoute correspond aux mesures.
 (1)
 (0)
This review has been posted for FSDD 120L Dual Differential Stereo Amplifier Class A/B 2x120W 4 Ohm
Note :
 5/5
Date :
Recommended
This is a pretty good amp! I'm pretty impressed. Relatively closely related to my tube amp in sound, only a bit more crisp with a touch less sweetness. Three-dimensionality is airy and really good. All in all nice and neutral with a nice musical flow. The reminiscence to the Nelson Pass concept seems to be really successful!
To be noted: I've increased the capacity of the power supply about 2.5 times for better stability. This with smaller capacitors to shorten the charging time. I also approximately doubled the heatsink area. I bypassed the Ero MKT capacitors at the input with small micas, which is a nice little mod for improved detail.

Conclusion: This thing is fun!
Cheers!
 (0)
 (0)
This review has been posted for FSDD 120L Dual Differential Stereo Amplifier Class A/B 2x120W 4 Ohm
Note :
 4/5
Date :
Voltage
The labeling of the power supply is not entirely clear. One can not see if DC voltage must be applied at +35 volts and -35 volts. Therefore only 4 points, otherwise everything is fine.
 (0)
 (0)
This review has been posted for FSDD 120L Dual Differential Stereo Amplifier Class A/B 2x120W 4 Ohm
Note :
 5/5
Date :
Top
Cet ampli répond parfaitement à mes attentes. La qualité sonore est très bonne.
Même bémol que les autres commentaires : les 3 pads pour la conexion de l'entrée ligne sont remplis de soudure. Après un coup de pompe à déssouder ils étaiient nickel et j'ai pu souder une prise 3 pins au pas 2.54mm.
 (0)
 (0)
This review has been posted for FSDD 120L Dual Differential Stereo Amplifier Class A/B 2x120W 4 Ohm
 

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