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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
  Based on 2 customers reviews.

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Reference : 11141
New product

44,90 €tax incl.

37,42 € tax excl.
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Shipping date: 19-12-2018.

Orders placed before 1pm (GMT+1) will 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
Channel2 channels (Stereo)
ClassClass A / AB
 
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Average votes
5.0 / 5
2 reviews
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 5/5
Date :
ampli de puissance
un son exceptionnel si on lui met une très bonne alimentation,mérite d'utiliser un préampli très très musical pour en tirer le maximun .il vaut mieux un préampli passif qu'un mauvais préampli actif,mais rien ne vaut un super péampli actif(très rare malheureusement)
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This review has been posted for LJ TTA1943 Amplifier boards 100W 8 ohm Mono (Pair)
Note :
 5/5
Date :
Vraiment excellentissime!
J'avais acheté ces modules car séduit par la bonne sonorité des modules LJM L10 (FET) montés pour un ami, à la fois doux, claires avec une très bonne tenue en puissance.

Ces modules qui sont en fait des LJM L20SE (versions bipolaires du L20) m'on fait redécouvrir le grave sur mes Dynaudio, à la fois abyssale et détaillé et le reste est tout aussi bon avec une chute en pente douce vers l'extrême aigu qui donne une douceur "vintage" à cet ampli; je pensais pourtant que seule la classe D pouvait actuellement sortir un grave correcte à prix équivalent...

Le dernier ampli à m'avoir donné cette sensation était un Bryston 3B...

Acheté à la base pour simple exercice de style dans le but de posséder un ampli pseudo-vintage à transistors bipolaire, il est devenu mon ampli de référence piétinant même mes classe D (sauf Hypex!) et FDA qui s'entassent et me lassent très rapidement!
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LJ TTA1943 Amplifier boards 100W 8 ohm Mono (Pair)
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