l'ensemble est très compact mais a un aspect plutôt qualitatif.
Acheté pour driver un casque sennheiser HD800s il remplit très bien son rôle avec une bonne réserve de puissance. Sonorité neutre et limpide, du tout bon !
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With this complete Topping pack, you have a turnkey solution to quickly and easily integrate an excellent audio system oriented towards high quality headphone listening. It consists of the D50s DAC, the A50s headphone amplifier, the P50 regulated linear power supply and the TCR2 RCA cables, all designed and optimized to work together. Moreover, the A50s also plays the role of a preamplifier, so it can be associated with an amplifier (not supplied) to set up a classic HiFi system.
All the devices offered here have the same design and identical form factor for a clean and aesthetic installation.
Topping unveils with the A50s a high quality headphone amplifier and preamplifier duo, integrating both balanced and single-ended connections. Its optimized circuits based on very good audio components allow a precise, detailed and musical sound reproduction. The A50s is also versatile. It is thus capable of adapting to the vast majority of headphones on the market, including the most demanding models.
Key features:
The Topping D50s is the direct evolution of the D50, a DAC that has proven itself and is particularly appreciated by many audiophiles and music lovers. If this new model is largely based on the design and architecture of its predecessor, its main evolution is in its connectivity, now integrating a Bluetooth receiver. The device can now also be controlled with a supplied remote control and its audio performance has been upgraded.
For the rest, we find all the advanced components of the previous version such as two ESS ES9038Q2M digital/analog conversion chips, a last generation XMOS U208 USB interface module or OP1612 operational amplifiers, all integrated in a beautiful and robust aluminum case.
Key features:
The Topping P50 regulated linear power supply offers excellent performances and allows to supply cleanly a HiFi system and so to favour the quality of sound restitution of the latter. Particularly practical, the P50 has 2 USB-A outputs of 5V 1A and 1 DC 5.5/2.1mm jack output of 15V 1A. It is thus possible to supply several devices with a single power supply.
Key feaures:
The P50 can provide its own power supply to other audio devices. However, when this power supply is used, the maximum balanced output power drops to 2x 2.4W. The other output power values do not change.
TCR2 RCA cables benefit from a very nice design quality with silver plated OFC copper conductors, ensuring excellent electrical conductivity and therefore signal transmission. The connectors are gold plated, material resistant to oxidation for a more durable cable.
Key features:
Technical characteristics
Topping A50s Specifications | |
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Product type | Headphone amplifier Preamplifier |
Input | 1* Stereo RCA |
Outputs | 1* Single-ended Jack 6.35mm headphone output 1* Balanced Jack 4.4mm headphone output 1* Stereo RCA pre-out |
THD+N | Single-ended headphone output: < 0.00007% @ 850mW, 32Ω, 1kHz, A-Weighted / < 0.00006% @ 90mW, 300Ω, 1kHz, A-Weighted Balanced headphone output: < 0.00007% @ 3.4W, 32Ω, 1kHz, A-Weighting / < 0.00006% @ 367mW, 300Ω, 1kHz, A-Weighted |
THD | Single-ended headphone output: < 0.0004% @ 720mW, 32Ω, 20Hz-20kHz, 90kBW / < 0.0002% @ 77mW, 300Ω, 20Hz-20kHz, 90kBW Balanced headphone output: < 0.001% @ 2.88W, 32Ω, 20Hz-20kHz, 90kBW / < 0.0005% @ 307mW, 300Ω, 20Hz-20kHz, 90kBW |
SNR | Single-ended headphone output: 137dB @ Max out, 1kHz, A-Weighted Balanced headphone output: 143dB @ Max out, 1kHz, A-Weighted |
Dynamic range | Single-ended headphone output: 138dB @ 1kHz, A-Weighted Balanced headphone output: 144dB @ 1kHz, A-Weighted |
Frequency response | 20Hz - 200kHz (±0.05dB) |
Output level | Single-ended headphone output: 21Vpp Balanced headphone output: 42Vpp |
Noise level | Single-ended headphone output: < 0.3µVrms @ G=L, A-Weighted / < 0.45µVrms @ G=H, A-Weighted Balanced headphone output: < 0.6µVrms @ G=L, A-Weighted / < 0.95µVrms @ G=H, A-Weighted |
Crosstalk | Single-ended headphone output: -86dB @ 1kHz Balanced headphone output: -128dB @ 1kHz |
IMD CCIF | -116dB @ 18kHz + 19kHz |
IMD SMPTE | -110dB, SMPTE4:1 @ 60Hz + 7kHz -118dB, SMPTE1:1 @ 60Hz + 7kHz |
Input sensitivity | 7.5Vrms G=0dB 3.8Vrms @ G=6dB |
Gain | Single-ended headphone output: 0dB @ G=0dB / 6dB @ G=6dB Balanced headphone output: 6dB @ G=0dB / 12dB @ G=6dB |
Output impedance | Single-ended headphone output: < 0.1Ω Balanced headphone output: 0.2Ω |
Output level @ THD+N < 1% | Single-ended headphone output: 2x 1.4W @ 32Ω / 2x 192mW @ 300Ω Balanced headphone output: 2x 3.5W @ 32Ω / 2x 760mW @ 300Ω |
Output power @ 2Vrms IN | Single-ended headphone output: 2x 485mW @ 32Ω / 2x 52mW @ 300Ω Balanced headphone output: 2x 1950mW @ 32Ω / 2x 208mW @ 300Ω |
Load impedance | > 8Ω |
Supply voltage | 15VDC |
Housing material | Aluminum |
Dimensions | 110*123*26mm |
Color | Black |
Topping D50s Specifications | |
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Product type | DAC |
Inputs | 1* USB-B 1* Optical Toslink 1* Coaxial SPDIF Bluetooth 5.0 |
Output | 1* Stereo RCA |
Supported sampling rates | USB: PCM up to 32bit 768kHz, Native DSD up to DSD512, DSD DoP up to DSD256 Optical / Coaxial : PCM up to 24bit 192kHz, DSD DoP64 |
Bluetooth version | 5.0 |
Supported Bluetooth codecs | AAC, SBC, aptX, aptX LL, aptX HD, LDAC |
THD+N @ A-Weighting | < 0.0003% @ 1kHz < 0.0004% @ 10Hz-20kHz |
SNR @ A-Weighting | > 122dB @ 1kHz |
Frequency response | 20Hz-20kHz (±0.1dB) |
Output level | 2Vrms @ 0dBFS |
Noise | < 2µVrms |
Crosstalk | -130dB @ 1kHz |
Supply voltage | 5V DC 1A |
Dimensions | 110*119*26mm |
Housing material | CNC machined aluminum |
Weight | 510g |
Color | Black |
Topping P50 Specifications | |
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Product type | Regulated linear power supply |
Input voltage | 110-220VAC 50/60Hz |
Input connector | IEC C14 |
Output voltages | 2* 5VDC 1A 15VDC 1A |
Output connectors | 2* USB-A 1* Jack DC 5.5/2.1mm |
Noise | < 1mVrms |
Dimensions | 110*110*52mm |
Weight | 880g |
Housing material | CNC machined aluminum |
Color | Black |
Topping TCR2 Cables specifications | |
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Product type | Male/Male RCA cables |
Length | 25cm |
Conductors material | OFC Copper |
Conductors plating | Silver |
Total section | 2* 0.533mm² |
Conductors resistance | 26.9Ω/km |
Outer diameter | Ø8mm |
Connectors material | Copper |
Connectors plating | Gold |
Color | Black and red |
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Christophe H.