LJ TTA1943 Amplifier boards 100W 8 ohm Mono (Pair)

TTA1943 Amplifier boards 100W 8 ohm Mono (Pair)

Average votes for this product
5.0 / 5

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Reference : 11141
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37,42 €tax excl.

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Shipping date: 20-01-2022.

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

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More info

These high-precision dual-mono amplifier modules deliver 100 W under 8 ohm. Equipped with precision metal resistors, high quality capacitors, this kit is ideal for high power amplification modules with high-fidelity sound.

They are designed around 3 high-quality bipolar transistors from Toshiba .

Their modularity and ease of implementation make them a reference choice for any dual mono stereo DIY amplifier project or for multichannel amplifiers.

Main Features:

  • Power Transistors: BIPOLAR NPN TTC5200x2, PNP TTA1943x2.
  • Driver stage: H669A x1, C5171 NPN X1, A1930 PNP.
  • 4 capacitors 150μF 80V United Chemicon. An input capacitor NPC 47μF 64V.
  • Power supply and output via 6mm lugs.
  • Input via screw terminal block.
  • Output power: 175W on 8 Ohm.
  • Average operating voltage 36V DC.
  • Power range voltage from 12V to 2X45V DC.
  • Frequency response: 20Hz - 25kHz + -0.5dB.
  • Noise background 93dBu.
  • Slew-rate: 35V / us.
  • Distortion rate: 0.0009% at 1 K HZ 50W on a resistance of 8Ohm.
  • Signal-to-Noise Ratio (SNR):> 114dB.

requires to operate a linear power supply

Dimensions and weight:

  • PCB dimensions: 113x80x35mm.
  • Spacing: 105mm, 31mm.
  • Weight: 108gr the mono module.

  • Sold by 2.
  • Supplied with insulation film for power transistors.
  • Supplied with 2 brass terminals.

 
Data sheet
InputScrew terminals
OutputPCB Connector
Channel2 (Stereo)
ClassClass A / AB
Amplifier chipTransistors
Power (W)100.0
 
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Average votes
5.0 / 5
8 reviews
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 5/5
Date :
Zeer goede versterker
Met 2x36V AC voeding met een filtering van 4x10000 microfarad en zwaar koelelement krijg ik een fenomenaal resultaat. Veel vermogen en zeer zuivere klank, te vergelijken met de beste commerciële HD versterkers.
De signaal ruis verhouding is tevens uitzonderlijk goed.
 (0)
 (0)
This review has been posted for LJ TTA1943 Amplifier boards 100W 8 ohm Mono (Pair)
Note :
 5/5
Date :
AMPLI BIPOLAIRE
Son exceptionnel si on lui met une très bonne alimentation ENTRE 35V ET 45V,mérite d'utiliser un préampli très musical ou un bon Equalizer
 (0)
 (0)
This review has been posted for LJ TTA1943 Amplifier boards 100W 8 ohm Mono (Pair)
Note :
 5/5
Date :
Etonnant
Pour 45 € vous ne risquez rien saut d'être très agréablement surpris.
Comme constaté sur un avis précédent le gain est faible (28 quand même) mais avec un préampli de qualité , à tube chez moi, le résultat est excellent. Monté en double mono avec des toriques 2 x 30V, les modules d'alimentation 4 x 10.000 µ / 50V; les protections HP 11657 le résultat est bluffant pour du bipolaire.
Bande passante mesurée de 5 HZ à 200 KHz, puissance avant écrêtage 78 V crête à crête pour 2,8 V en entrée ce qui nous fait 95 W efficaces avec une alimentation à +/- 44 V.
Pas un souffle pas une ronflette.
Très bon achat à conseiller.
Photos du montage en du signal carré à 1KHz à disposition.
 (5)
 (0)
This review has been posted for LJ TTA1943 Amplifier boards 100W 8 ohm Mono (Pair)
Note :
 5/5
Date :
tres bien
vraiment tres bien , montage façile, son exellent .pour resumer, simple ,façile et tres bon rendu sonore
 (0)
 (0)
This review has been posted for LJ TTA1943 Amplifier boards 100W 8 ohm Mono (Pair)
Note :
 5/5
Date :
Very good sounding amp
I bought 3 pairs of them already, Free fatigue listening, It sounds much beter than lm3886 amplifier (lm3886 chip was imposible to listen long -for harsh treble, also bought from audiophonics).
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This review has been posted for LJ TTA1943 Amplifier boards 100W 8 ohm Mono (Pair)
 

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