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LJM TTA1943 L20-SE Amplifier boards 100W 8 ohm Mono (Pair)

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.

Average votes for this product
4.7 / 5
  Based on 13 customers reviews.

By buying this product you get 4 loyalty points


Reference : 11141
New product

49,90 €tax incl.

41,58 € tax excl.

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Shipping date: 01-07-2025.

Orders placed before 12h (GMT+1) will generally be shipped the same day (working day).

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Facturation France
SAV France

2 Years warranty

Accessories for this product

Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.

 
More info

These LJM 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.

LJ TTA1943 Bipolaire Modules Amplificateur 100W 8 Ohm Mono (La paire)

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 : screw terminal
  • Output power : 175W @ 8 Ohm
  • Average operating voltage : +/-36V DC (symmetrical power supply)
  • Power range voltage : +/-12V to +/-45V DC
  • Frequency response : 20Hz - 25kHz +/-0.5dB
  • Noise background : 93dBu
  • Slew-rate : 35V / us.
  • Distortion rate : 0.0009% @ 1kHz, 50W, 8 Ohm
  • 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
4.7 / 5
13 reviews
Why write products reviews ?
You can share your feelings about products and help other people by sharing your experience

Note :
 5/5
Date :
Recomendded!
Wow, it's unexpected quality good. Sounds excellent dynamics and natural.
 (0)
 (0)
This review has been posted for LJM TTA1943 L20-SE Amplifier boards 100W 8 ohm Mono (Pair)
Note :
 4/5
Date :
Ampli interessant
Une fois le montage et le rodage terminés, j'ai augmenté légèrement les basses et baissé légèrement les aigus a l'égaliseur graphique, cela me paraît mieux.
Beaucoup de pêche et de détails.
Sinon, ne chauffe pas beaucoup (peut-être dissipateur trop volumineux).
Et surtout, pas de ronflette.
 (0)
 (0)
This review has been posted for LJM TTA1943 L20-SE Amplifier boards 100W 8 ohm Mono (Pair)
Note :
 2/5
Date :
ampli pour la sono
sonorité pas de tout détaillé en haut de spectre ,si vous cherchez un ampli de qualité audiophile ce module n'est pas fait pour vous
 (0)
 (1)
This review has been posted for LJM TTA1943 L20-SE Amplifier boards 100W 8 ohm Mono (Pair)
Note :
 5/5
Date :
Superbe sonorité
Excellent modules.
Sonorité douce et détaillée.
Ne chauffe pas avec des dissipateurs adaptées.
Comme signalé sur les autres commentaires mérite les meilleurs preamplis.
Bien vérifier les soudures des composants j'ai eu un condo avec une pâte non soudée.
Sinon pour le prix c'est une véritable aubaine de quoi mettre une raclée à pas mal d'ampli dits " audiophile " à des tarifs stratosphérique..
 (2)
 (2)
This review has been posted for LJM TTA1943 L20-SE Amplifier boards 100W 8 ohm Mono (Pair)
Note :
 5/5
Date :
Confirmation
Je confirme tous les compliments et éloges des avis précédents.
On a beaucoup pour pas grand chose.
 (4)
 (1)
This review has been posted for LJM TTA1943 L20-SE Amplifier boards 100W 8 ohm Mono (Pair)
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LJM TTA1943 L20-SE Amplifier boards 100W 8 ohm Mono (Pair)
LJM TTA1943 L20-SE Amplifier boards 100W 8 ohm Mono (Pair)
These high-precision dual-mono amplifier modules deliver 100 W under 8 ohm. Equipped with precision metal resistors, high quality capacitors, this...

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