TOPPING PA5 Balanced Class D Amplifier 2x125W 4 Ohm Silver

Topping offers with the PA5 a compact yet powerful and high performance balanced amplifier. It integrates a new generation of optimized Class D amplifier circuit capable of delivering a power of 2x125W under 4Ω, with a high efficiency.

Average votes for this product
3.6 / 5

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Reference : 15848
New product

349,00 €tax incl.

290,83 € tax excl.
Including 0,05 € for green tax
 
This product is discontinued
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2 Years warranty

Accessories for this product

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Topping PA5

Class D Balanced Amplifier 2x125W 4Ω Silver

Topping PA5 Amplificateur Symétrique Class D 2x125W 4Ω

Topping offers with the PA5 a compact yet powerful and high performance balanced amplifier. It integrates a new generation of optimized Class D amplifier circuit capable of delivering a power of 2x125W under 4Ω, with a high efficiency. This new circuit offers a precise, neutral and rich sound reproduction, with a totally inaudible background noise. The balanced design of the PA5 also allows it to considerably limit its noise level and cancel ground loops.

Topping PA5 Amplificateur Symétrique Class D 2x125W 4Ω

Simple and efficient connectivity

The PA5 does not overdo its connectivity but proposes a simple and efficient connectivity. Thus, it offers two balanced inputs in 6.35mm TRS stereo jack format. The output is simply done on speaker terminals.

Topping PA5 Amplificateur Symétrique Class D 2x125W 4Ω

Technical characteristics

Specifications
Product typeAmplifier
Inputs2x Balanced stereo Jack TRS 6.35mm
OutputSpeaker terminals (BTL output)
Output power2x140W @ 4Ω, THD+N < 10%
2x125W @ 4Ω, THD+N < 1%
2x85W @ 8Ω, THD+N < 10%
2x65W @ 8Ω, THD+N < 1%
DisplayLED
THD+N @ 1kHz, A-Weighting< 0.0005% @ 4Ω 5W
< 0.0004% @ 8Ω 5W
THD+N @ No-Weighting (20kBW)< 0.0015% @ 4Ω 5W
< 0.0006% @ 8Ω 5W
SNR @ A-Weighting124dB
Plage dynamique @ A-Weighting124dB
Frequency response20Hz-40kHz (±0.3dB)
Output level65Vpp @ RL=4Ω
68Vpp @ RL=8Ω
Noise @ A-Weighting< 16µVrms
Crosstalk @ 1kHz-106dB
Input sensitivity2.6Vrms
Gain19.1dB
Channels balance0.1dB
Output impedance< 0.01Ω
Adapter impedance3-8Ω
General
Supply voltage38VDC 4A
Standby consumption< 0.1W
Housing materialAluminum
Dimensions166 x 129 x 41mm
Weight680g
Package1x Topping PA5
1x Power supply
Topping PA5 Amplificateur Symétrique Class D 2x125W 4Ω Topping PA5 Amplificateur Symétrique Class D 2x125W 4Ω
 
Data sheet
InputJack 6.35mm
OutputSpeaker terminal
ColorSilver
Channel2 (Stereo)
ClassClass D / T
Amplifier chipN/A
Power (W)125.0
 
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Average votes
3.6 / 5
5 reviews
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Note :
 5/5
Date :
O.k.
I have 2 pieces connected as biamping. And it plays great. Preamplifier ADI-2 DAC FS.
 (0)
 (0)
This review has been posted for TOPPING PA5 Balanced Class D Amplifier 2x125W 4 Ohm Silver
Note :
 3/5
Date :
low quality built
sounds is ok if you like the shitty integrated volume, yes at leats is analog and passive but still, conectors quality are really bad. Also for being "class d2 is pretty ineficient, with 90db/w/m 8 ohm speakers it goes pretty hot the case!!! nad 216 is more efficient.
Sound quality, if using integrated volume is pretty good but i want a pure power amp with no volume or level control a nd unbalnced rca imput neutrik good quality a nd quality decent 4mm banana female shockets for speakers . Looking for next generation for Purifi class.d or topping Class-D amps. Not interested in La90 class ab, im really happy with my quad 606 and nad 216, just still looking for something like AUDIOPHONICS MPA-S125NC RCA (great built made in france quality) but with the "TPA3255 enhanced" that uses this topping pa5 and a integrated meanwell swithing mode PSU, that will be the perfect combination until Purifi makes smaller power modules
 (0)
 (0)
This review has been posted for TOPPING PA5 Balanced Class D Amplifier 2x125W 4 Ohm Silver
Note :
 1/5
Date :
Great Amp, But Unreliable
Technically this is a great amp. Unfortunately after 4 weeks mine started to emit pop sounds. Eventually after a very loud pop one channel did shut down until i turned it on off. Did send it back hoping for a refund.
 (0)
 (1)
This review has been posted for TOPPING PA5 Balanced Class D Amplifier 2x125W 4 Ohm Silver
Note :
 5/5
Date :
Restitution incroyable
J’utilise un filtre USB HS-01 pour me relier à un Topping D90se (position DAC avec le filtre 7), sorties en XLR/TRS (câbles Topping) vers le PA5 alimentant deux Klipsch R-820F (le D90se fourni la source audio à un Klipsch 115-SW via RCA (câbles Topping). C’est magistral. Précision, pureté, réalisme sonore ?
 (1)
 (0)
This review has been posted for TOPPING PA5 Balanced Class D Amplifier 2x125W 4 Ohm Silver
Note :
 4/5
Date :
TPA3255 Inside
Voici un très bon ampli, super compris à un Hypex NC122 avec des mesures ASR qui ne mentent pas.
Pour éviter le "reverse ingeniering" topping a pris soin de gommer les références sur les inducteurs, puce TPA3255, mais un démontage montre bien un TPA3255 avec des composants de bonnes factures autour. Je pense qu'il s'agit d'un classe D monté sur une typologie composite avec des OP amps masqués par la marque, mais de type probablement différentiels et un PFFB activé pour atteindre un aussi bas THD.

Je conseille de changer l'alimentation donnée à 38V / 4A = 152W. Preferez une alimentation DIY de type Connex SMPS300R ou une Meanwell, dont les ripple sont meilleurs et surtout la puissance = 300W, pour gagner en patate )

Je recommande cet ampli pour un usage Audiophile dans une pièce de taille modérée, il donne environ 2X50W / 8R en puissance réelle.
 (1)
 (0)
This review has been posted for TOPPING PA5 Balanced Class D Amplifier 2x125W 4 Ohm Silver
 
TOPPING PA5 Balanced Class D Amplifier 2x125W 4 Ohm Silver
Topping offers with the PA5 a compact yet powerful and high performance balanced amplifier. It integrates a new generation of optimized Class D...

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