DPA PDM-1 Series2
Price unknown (around the early 1990 s)
Commentary
D/A converter announced as an upgraded model of PDM-1.
The input format is SONY/Philips Biphase Format TYPE1 Standard.
The chip is a bit stream type 7350 chip.
Fully differential balanced mode with a sampling rate of 384 x.
The digital filter uses an 8-times oversampling 18-bit filter.
For the analog circuit, OH-OA32 which is Hybrid OP-Amp of Dell Tech is adopted.
There is an LED indicator on the front panel that shows power on/off and digital lock.
The power supply consists of two power supplies with independent regulators for digital and analog power supplies.
Dark green aluminum die-cast case is used for the case.
Gold-plated terminals are used for input / output terminals.
.JPG)
Model Rating
| Type | D/A converter |
| Input | SONY/Philips Biphase Format Type1 Standard |
| Output | 2.0Vrms/0.01 Ω |
| Conversion | Fully differential balanced Passive EQ Bitstream 7350PDM |
| Indicator | 2 Green LEDs : Power ON/OFF, digital data lock |
| External dimensions | Width 197x Height 74x Depth 218 mm |