Audio Alchemy V1.0(DDE V1.0)
¥ 79,800 (released in December 1991)
Commentary
The first D/A converter announced by Audio Alchemy, a digital technology group in California.
DDE stands for Digital Decoding Engine.
The D/A converter uses a bit stream method condensed to a minimum value to suppress noise generation.
Compatible with 32 khz, 44.1 khz and 48 khz frequencies.
Equipped with absolute phase switching.
The power supply section has a separate structure.
In addition, there was an enhanced power supply for upgrading sold separately.
Model Rating
| Type | D/A converter |
| D/A conversion method | Bit stream |
| Frequency characteristic | 20 Hz to 20 kHz ± 0.2 dB |
| Harmonic distortion + noise | -90dB |
| Signal-to-noise ratio | 93 dB or more |
| Digital input | Light : 1 system Coaxial : 1 system |
| Digital output | Coaxial : 1 system |
| Analog output | Coaxial : 1 system (2.75 V) |
| External dimensions | Width 215x Height 45x Depth 136 mm |
| Weight | 850g |
| Sold Separately | Upgraded power supply (¥ 15,000) |