Home Audio
All in the name of ultimate Real Live Sound
Leading a new era of High-resolution audio
The new circuitry found in VELVET SOUND devices is designed to maximize dynamics and ensure pure, unaltered audio data, prioritizing the accurate capture and reproduction of the source material in order to achieve high performance and rich musicality. These devices were designed specifically for the high-resolution digital audio era.
D/A Converters (DAC)
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| Part Number | Document | Ch # | Res. | S/N | THD+N * | Max fs * |
DSD Input * |
Sound Color * |
Power Consump. |
Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| bit | dB | dB | kHz | MHz | mW | |||||
| AK4499EQ | 4 | 32 | 134 (140 *) | -124 | 768 | 22.4 | 6 types | 667 | VERITA | |
| AK4498EQ AK4191EQ |
2 2 |
- 64 |
128 (131 *) 153 |
-116 -153 |
- 1536 |
- 45.2 |
- 7 types |
331 26 |
Analog only Digital only |
|
| AK4497EQ | Datasheet | 2 | 32 | 128 (131 *) | -116 | 768 | 22.4 | 6 types | 346 | |
| AK4493EQ |
2 | 32 | 123 (126 *) | -113 | 768 | 22.4 | 6 types | 203 | ||
| AK4490EQ | Datasheet | 2 | 32 | 120 (123 *) | -112 | 768 | 11.2 | 5 types | 145 | |
| AK4462VN | Datasheet | 2 | 32 | 117 | -107 | 768 | 22.4 |
6 types | 70 | |
| AK4468VN | Datasheet | 8 | 32 | 117 | -107 | 768 | 22.4 |
6 types | 245 | |
| AK4452VN | Datasheet | 2 | 32 | 115 | -107 | 768 | 11.2 | 5 types | 50 | |
| AK4454VN | Datasheet | 4 | 32 | 115 | -107 | 768 | 11.2 | 5 types | 97 | |
| AK4456VN | Datasheet | 6 | 32 | 115 | -107 | 768 | 11.2 | 5 types | 140 | |
| AK4458VN | Datasheet | 8 | 32 | 115 | -107 | 768 | 11.2 | 5 types | 181 |
[Notes]
* S/N (Mono mode)
* THD+N: Total Harmonic Distortion plus Noise
* Max fs: Maximum Sampling Frequency
* DSD: Direct Stream Digital
* Sound Color: AKM original digital filter
* Schedules of Samples and Production are subject to be changed without notice.
* The information in the datasheet is subject to be changed without notice.
A/D Converters (ADC)
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| Part Number | Document | Ch # | Res. | S/N | THD+N * | Max fs * | DSD Input * |
Sound Color * |
Power Consump. |
Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| bit | dB | dB | kHz | MHz | mW | |||||
| AK5397EQ | Datasheet | 2 | 32 | 127 (130 *) | -108 | 768 | ― | 3 types | 455 | |
| AK5572EN | Datasheet | 2 | 32 | 121 (124 *) | -112 | 768 | 11.2 | 4 types | 148 | VERITA |
| AK5574EN | Datasheet | 4 | 32 | 121 (127 *) | -112 | 768 | 11.2 | 4 types | 275 | VERITA |
| AK5576EN | Datasheet | 6 | 32 | 121 (128 *) | -112 | 768 | 11.2 | 4 types | 411 | VERITA |
| AK5578EN | Datasheet | 8 | 32 | 121 (130 *) | -112 | 768 | 11.2 | 4 types | 536 | VERITA |
| AK5552VN | Datasheet | 2 | 32 | 115 (118 *) | -106 | 768 | 11.2 | 4 types | 83 | |
| AK5554VN | Datasheet | 4 | 32 | 115 (121 *) | -106 | 768 | 11.2 | 4 types | 140 | |
| AK5556VN | Datasheet | 6 | 32 | 115 (122 *) | -106 | 768 | 11.2 | 4 types | 206 | |
| AK5558VN | Datasheet | 8 | 32 | 115 (124 *) | -106 | 768 | 11.2 | 4 types | 261 |
[Notes]
* THD+N: Total Harmonic Distortion plus Noise
* Max fs: Maximum Sampling Frequency
* DSD: Direct Stream Digital
* Sound Color: AKM original digital filter
* Schedules of Samples and Production are subject to be changed without notice.
* The information in the datasheet is subject to be changed without notice.
Sample Rate Converters (SRC)
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[Notes]
* DR : Dynamic Range
* THD+N: Total Harmonic Distortion plus Noise
* DSD: Direct Stream Digital
* Sound Color: AKM original digital filter
* Schedules of Samples and Production are subject to be changed without notice.
* The information in the datasheet is subject to be changed without notice.
