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TOPPING D90 III DISCRETE DAC Black

The D90 III Discrete balanced DAC from Topping is the parallel to the D90III using a 100% discrete digital/analogue conversion module. Here, conversion is performed by a PSRM module per channel, enabling conversion up to PCM 32bit 768kHz and DSD 512. This DAC also incorporates a Qualcomm QCC5125 Bluetooth 5.1 chip and a 12V trigger input and output on the rear panel. The high-end components found in the previous version, such as the Altera Max CPLD, are also included.

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2 Years warranty
 
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Topping D90 III Discrete Balanced Discrete DAC Bluetooth 5.1 32bit 768kHz DSD512 Black

Topping D90 III Discrete : Front view


The D90 III Discrete balanced DAC from Topping is the parallel to the D90III using a 100% discrete digital/analogue conversion module. Here, conversion is performed by a PSRM module per channel, enabling conversion up to PCM 32bit 768kHz and DSD 512. This DAC also incorporates a Qualcomm QCC5125 Bluetooth 5.1 chip and a 12V trigger input and output on the rear panel. The high-end components found in the previous version, such as the Altera Max CPLD, are also included.

Topping D90 III Discrete : Front view

Topping D90 III Discrete: PSRM DAC module

The D90 III Discrete uses a 16 phases PSRM module per channel for its digital-to-analogue conversion. The PSRM modules are 1-bit discrete DACs that use an ultra-fast switching logic network. The components selected by Topping were chosen for their ability to minimise the disturbance that could be caused by the power supply. Because of the technology used, the accuracy of the conversion is highly dependent on the quality of the power supply. So, in order to obtain the best possible results, the brand has also developed a resistor power supply system that produces no noise. The D90 III Discrete DAC is capable of converting PCM up to 32bit 768kHz and DSD up to DSD512 with a dynamic range of 130dB, a signal-to-noise ratio of 131dB and a harmonic distortion rate of 0.00006%.

Topping D90 III Discrete : PSRM DAC module
Topping D90 III Discrete : ALTERA MAX II

Topping D90 III Discrete: CPLD clock signal processing

To ensure optimum performance, the D90 III Discrete's clock signal is processed by an Altera Max II CPLD, achieving an exceptionally low jitter of -157dB.

Topping D90 III Discrete: I/V conversion

To support the PSRM DAC in the best possible way, Topping has developed a completely new I/V conversion circuit. This proprietary circuit is made up of low-noise operational amplifiers and carefully selected discrete components. The result is a PSRM output voltage free of impurities and with a wide dynamic range.

Topping D90 III Discrete : I/V conversion

Topping D90 III Discrete: 10-bands parametric equalizer (PEQ)

To give you total control over the tonality of the sound reproduction, Topping has developed a brand new 10-bands PEQ that allows you to set the frequency response, gain and bandwidth using the Topping Tune Windows application. The software supports the import of target curves and original curves, as well as curve compensation using target curves. You can also save several profiles and switch between them at will.

Topping D90 III Discrete : Overview of Topping Tune software

Topping D90 III Discrete: Bluetooth 5.1

When it came to choosing its Bluetooth chip, Topping decided to opt for one of Qualcomm's flagship chips: the Bluetooth 5.1 QCC5125 receiver chip, which enables the D90 III Discrete to support high-resolution codecs: aptX, aptX HD, aptX Adaptive and LDAC. This means you can enjoy a wireless connection that supports streams up to PCM 24bit 96kHz, a higher resolution than the CD quality standard.

Topping D90 III Discrete: High I2S compatibility

The Topping D90 III Discrete supports various I2S transmission protocols: I2S PHASE STD, I2S PHASE REV, I2S DSDR DATA, I2S DSDR LRCLK, DSD FLAG 14 and DSD FLAG 15. It is therefore compatible with most digital interfaces on the market.

Topping D90 III Discrete : I2S compatibility

Topping D90 III Discrete : Connectors

Topping D90 III Discrete : Numbered diagram
1Coaxial input
2Bluetooth antenna connector
3XLR balanced stereo output
4RCA single-ended stereo output
5I2S input via HDMI
6Toslink optical input
7USB-B input
8AES/EBU input
9Trigger in/out 12V
10Power connector and power switch


Technical characteristics

Specifications
Product typeBalanced DAC
DACPSRM module
USB interfaceXMOS XU-316
Inputs1x USB-B
1x AES/EBU
1x Coaxial
1x Optical Toslink
1x I2S via HDMI
Bluetooth 5.1
Outputs1x Single-ended RCA stereo
1x Balanced XLR stereo
Supported sample ratesPCM 32bit 768kHz
DSD512
Supported Bluetooth codecsSBC, ACC, aptX, aptX HD, aptx Adaptative, LDAC
Trigger12V
RCA LINE OUTPUT MEASUREMENTS (USB IN @96KHZ)
THD+N @ A-Weighted< 0.00007% @ 1kHz
THD @ No-Weighted, 90kBw< 0.0004% @ 20Hz-20kHz
SNR @ A-Weighted127dB @ 1kHz
Dynamic range @ A-Weighted126dB @ 1kHz
Frequency response20Hz - 20kHz (± 0.5dB)
20Hz - 40kHz (± 1.8dB)
Output level2.1Vrms @0dBFS (mode 4V)
2.6Vrms @0dBFS (mode 5V)
Noise @ A-Weighted< 1.5uVrms
Channel crosstalk-122dB @ 1kHz
Channel balance0.3dB
Output impedance50Ω
XLR LINE OUTPUT MEASUREMENTS (USB IN @96KHZ)
THD+N @ A-Weighted< 0.00006% @ 1kHz
THD @ No-Weighted, 90kBw< 0.0002% @ 20Hz-20kHz
SNR @ A-Weighted131dB @ 1kHz
Dynamic range @ A-Weighted130dB @ 1kHz
Frequency response20Hz - 20kHz (± 0.5dB)
20Hz - 40kHz (± 1.8dB)
Output level4.2Vrms @0dBFS (mode 4V)
5.2Vrms @0dBFS (mode 5V)
Noise @ A-Weighted< 1.8uVrms
Channnel separation-143dB @ 1kHz
Channel balance0.3dB
Output impedance150Ω
General
Dimensions220 x 160 x 45mm
ColorBlack
Package1x Topping D90 III Discrete
1x Remote control
1x USB cable
1x Bluetooth antenna
1x Power cable
Topping D90 III Discrete measurements Topping D90 III Discrete SNR measurements THD and frequency response measurements on the Topping D90 III Discrete FFT spectrum of the Topping D90 III Discrete FFT spectrum of the Topping D90 III Discrete SMPTE ratio measurements and FFT spectrum of the Topping D90 III Discrete
 
Data sheet
InputSPDIF
InputBluetooth
InputAES/EBU
InputUSB
InputOptical
InputI2S via HDMI
OutputXLR
OutputRCA
DAC / ADC ChipPSRM
Max sampling rateDSD512
Max sampling rate768kHz
ColorBlack
NetworkingNo
Remote ControlYes
 
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Average votes
5.0 / 5
2 reviews
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 5/5
Date :
Super !
Super DAC, looks identical, but they don't do the same thing :) It sounds very good, it's worth it! This company has made me a fan forever. Bravo to the engineers! With love from Romania!
 (1)
 (0)
This review has been posted for TOPPING D90 III DISCRETE Balanced Discrete DAC Bluetooth 5.1 32bit 768kHz DSD512 Black
Note :
 5/5
Date :
This one is different!
This is not an audiophile DAC, but a mastering DAC that opens a window into the mix. Used with USB it is extremely transparant and resolving and that is definitely both good and bad as I have found out. It simply cannot be compared to other DAC´s at the pricepoint, because you get a much different experience of hearing the music.
Some records sound much worse, some flat sounding records are brought to life and many records have spookely lifelike timbre.

I am not sure I can recommend it in general, but I am definitely keeping mine :-)
 (1)
 (0)
This review has been posted for TOPPING D90 III DISCRETE Balanced Discrete DAC Bluetooth 5.1 32bit 768kHz DSD512 Black
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TOPPING D90 III DISCRETE Balanced Discrete DAC Bluetooth 5.1 32bit 768kHz DSD512 Black
TOPPING D90 III DISCRETE Balanced Discrete DAC Bluetooth 5.1 32bit 768kHz...
The D90 III Discrete balanced DAC from Topping is the parallel to the D90III using a 100% discrete digital/analogue conversion module. Here,...

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