TOPPING PA5 II Class D Amplifier Balanced 2x100W 4 Ohm Black

TOPPING PA5 II Class D Amplifier Balanced 2x100W 4 Ohm Black
Topping's PA5 II amplifier is a compact and powerful model, adopting a totally balanced structure and an innovative Class D amplifier circuit, enabling it to develop a significant power of 2x100W under 4Ω with a low level of distortion. The excellent parameterisation carried out by the brand's engineers ensures clear, clean and deep sound reproduction, with no background noise. At 5W and 4Ω, THD+N is measured at less than 0.0004%.

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Shipping date: 05-03-2024.

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Topping PA5 II

Class D Amplifier Balanced 2x100W 4 Ohm Black

Topping PA5 II Class D Amplifier Balanced 2x100W 4 Ohm Black

Topping's PA5 II amplifier is a compact and powerful model, adopting a totally balanced structure and an innovative Class D amplifier circuit, enabling it to develop a significant power of 2x100W under 4Ω with a low level of distortion. The excellent parameterisation carried out by the brand's engineers ensures clear, clean and deep sound reproduction, with no background noise. At 5W and 4Ω, THD+N is measured at less than 0.0004%.

The PA5 II also incorporates an effective and comprehensive protection circuit, acting against overvoltage, undervoltage, short-circuit, overcurrent and overheating.

On the input side, there is a choice of single-ended stereo RCA or two 6.35mm TRS jacks for balanced input. Output is via conventional speaker terminals that accept banana plugs. There's also a 12V trigger on the rear of the unit, enabling the PA5 II to be connected to other devices for automatic on/off.

To use the 12V trigger function, it must be activated using the switch on the front of the device.

Topping PA5 II Class D Amplifier Balanced 2x100W 4 Ohm Black
Topping PA5 II Class D Amplifier Balanced 2x100W 4 Ohm Black
1ON-OFF / Trigger switch
2ON/OFF LED indicator
3Input switch
4Volume button
5Balanced Jack 6.35mm TRS left channel input
6Single-ended RCA left channel input
7Speaker R+ output
8Speaker L+ output
9Power input
10Balanced Jack 6.35mm TRS right channel input
11Single-ended RCA right channel input
12Trigger 12V Jack 3.5mm input
13Speaker HP output
14Speaker HP output

Technical characteristics

Specifications
Product typeAmplifier
Amplification typeClass D
InputsSingle-ended stereo RCA
Balanced Jack 6.35mm TRS
OutputSpeaker terminals
Trigger12V
Balanced input measurements
THD+N (@ 1kHz, A-Weighted)< 0.0004% @ 4Ω 5W
< 0.0003% @ 8Ω 5W
THD+N (@ No-Weighted, 20kBW)< 0.0015% @ 4Ω 5W
< 0.0006% @ 8Ω 5W
SNR124dB (@ max out, 1kHz, A-Weighted)
Dynamic range124dB (@ 1kHz, A-Weighted)
Frequency response20Hz - 40kHz (±0.3dB)
Output level65Vpp @ 4Ω
68Vpp @ 8Ω
Noise< 15µVrms (@ A-Weighted)
Crosstalk-106dB (@ 1kHz)
Input sensitivity2.6Vrms
Gain19.2dB
Channel balance0.1dB
Output power2x100W @ 4Ω, THD+N < 10%
2x100W @ 4Ω THD+N < 1%
2x85W @ 8Ω, THD+N < 10%
2x65W @ 8Ω, THD+N <1%
Single-ended input measurements
THD+N (@ 1kHz, A-Weighted)< 0.0005% @ 4Ω 5W
< 0.0004% @ 8Ω 5W
THD+N (@ No-Weighted, 20kBW)< 0.0015% @ 4Ω 5W
< 0.0006% @ 8Ω 5W
SNR121dB (@ sortie max, 1kHz, A-Weighted)
Dynamic range121dB (@ 1kHz, A-Weighted)
Frequency response20Hz - 40kHz (±0.3dB)
Output level65Vpp @ 4Ω
68Vpp @ 8Ω
Noise< 15µVrms (@ A-Weighted)
Crosstalk-90dB (@ 1kHz)
Input sensitivity1.3Vrms
Gain25dB
Channel balanced0.1dB
Output power2x100W @ 4Ω, THD+N < 10%
2x100W @ 4Ω THD+N < 1%
2x85W @ 8Ω, THD+N < 10%
2x65W @ 8Ω, THD+N <1%
General
Supply voltage38VDC 3A
Power consumption< 0.5W
Dimensions (W*D*H)129*166*41mm
Weight680g
ColorBlack
Package1* Topping PA5 II
1* Power supply
 
Data sheet
InputJack 6.35mm
OutputSpeaker terminal
ColorBlack
Channel2 (Stereo)
ClassClass D / T
Amplifier chipN/A
Power (W)125.0
Remote ControlNo
 
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Average votes
5.0 / 5
2 reviews
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Note :
 5/5
Date :
Pour HF en actif
Bonjour
Utilisé pour driver une compression 114db en actif asymétrique afin de supprimer le souffle.
Essai transformé, l'oreille à 20cm de l'embouchure du pavillon plus de souffle il reste juste un très faible bruit électronique inaudible avec un peu de recul.
Léger ploc à l'extinction suivant ordre d'arrêt et chauffe quand même malgré la faible puissance demandé mais moins que mon ancien classe A.
Donc je préconise cet ampli lilliputien pour cette application et pour le reste je croise les doigts
 (0)
 (0)
This review has been posted for TOPPING PA5 II Class D Amplifier Balanced 2x100W 4 Ohm Black
Note :
 5/5
Date :
Quelle claque !
J'ai acheté ces amplis pour monter un système multicanal un peu spécial dans mon salon.

Je n'ai pas encore tous les composants nécessaires pour utiliser le DAC DM7 que j'ai acheté pour l'occasion, mais j'ai déjà pu brancher mes 3 amplis PA5 sur les sorties analogiques de mon intégré Pioneer SC-LX88.

Dès les premiers instants le ressenti est... WAW, mon système est déjà capable de faire ca ? L'upgrade est énorme, le système sonne instantanément mieux que ce qui m'a été donné de tester jusqu'à présent.

Ce sera difficile d'énumérer tout ce que j'ai gagné en expérience sonore : dynamique, plage sonore, finesse des détails, spacialisation, présence...
Je vous recommande les tests d'Audio Science Review pour vous donner un ordre d'idée.

Le dernier bouleversement de mon installation avait été quand j'ai adopté mes premiers modules IcePower (le génial 150ASH7), qui sont eux aussi basés sur les puces TPA325x, et je suis ravi d'avoir encore quelques surprises à ma portée.

Seul point noir : j'espère que cette révision "II" sera plus fiable que la première génération. Seul le temps nous le dira.

Mais en attendant ce jour (s'il arrive) : quel pied !
 (0)
 (0)
This review has been posted for TOPPING PA5 II Class D Amplifier Balanced 2x100W 4 Ohm Black
 
TOPPING PA5 II Class D Amplifier Balanced 2x100W 4 Ohm Black
Topping's PA5 II amplifier is a compact and powerful model, adopting a totally balanced structure and an innovative Class D amplifier circuit,...

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