Description
OWN A NON-S MODEL?
WANT TO UPGRADE TO THE FULL ‘S’ SPEC?
DIA-250 > DIA-250S
DIA-400 > DIA-400S
PRD-3 > PRD-3S
“S” is for Super
the PRD-3S is anything else than the subtle makeover of the standard PRD-3. It is a highly improved and extremely high performing preamplifier designed and optimized to work with our brand new PWR-222 mono blocks. It now even features an aptX Bluetooth receiver circuit that enables streaming from computer, phone or tablet in high quality.
We changed and improved the electrical circuits and layouts in more than twenty ways, the most significant being:
- Optimized mains filter
- Improved general and local power supplies
- New input stage
- Improved line stage
- New analogue stages in the D/A converter
- Improved digital signal routing
- Updated firmware
- Improved connectors
- Incorporated aptX Bluetooth module
Don’t miss the opportunity to give this preamplifier a listen we are certain that it will impress with clean, smooth and detailed pre-amplification that does not only offer built-in D/A converter and aptX Bluetooth but also the ability to bring out the best in your setup.
More than just a Preamp
The built-in D/A converter offers real high end performance, enabled by the use of a dedicated power supply, a balanced-drive Burr-Brown PCM1794 D/A converter, an optimized high bandwidth I/V converter, and an analogue stage with low-Q, low pass filters. All digital inputs are upsampled to 24bit/192kHz. This D/A converter will upgrade any digital source – such as wired or wireless streaming from your computer or CD drive – to a high end level of detail and musical performance.
Versatility and Connectivity
We had our eye on versatility and connectivity when designing this preamplifier. The PRD-3 offers not only a wide range of digital and analogue inputs, but also line outputs, a trigger signal for external power amplifiers, and a configurable home theater input. The HT input can turn the preamplifier into a fixed level preamplifier for use in a surround setup, without compromising the sonic performance.
Features:
- Built in 24bit/192kHz D/A converter with upsampling
- Coax, optical and asynchronous USB digital input up to 24bit/192kHz, optical up to 24bit/96kHz
- aptX Bluetooth 4.0 receiver
- Accepts digital streaming directly from Apple iPad
- Two unbalanced and one balanced inputs
- One unbalanced and two balanced outputs
- Nonmagnetic enclosure
- Direct function; enables use in home theater sytems
Technical Specifications
| Frequency response | 20 Hz-100 kHz – 0.5 dB |
| Signal to noise ratio | < 110 dB |
| Line out maximum level | 13V balanced, 6,5V unbalanced |
| Total Harmonic Distortion | < 0,001% pre out |
| Input impedance | 20 k RCA or 40 k Balanced |
| Line output impedance | 75 |
| Voltage gain | 10 dB |
| Balanced analogue inputs | 1 pair gold plated XLR Neutrik |
| Unbalanced analogue inputs | 2 pairs of gold plated RCA Stereo |
| Digital inputs | 1 pc USB type B, 1 pc Toslink, 1 pc RCA |
| Balanced analogue outputs | 2 pair gold plated XLR Neutrik |
| Unbalanced analogue outputs | 1 pair of gold plated RCA Stereo |
| Speaker output | 2 pairs of gold plated safety banana |
| Trigger, 12 V | 1 pc mini jack |
| Power Requirements | 115 VAC/230 VAC, 50 Hz/60 Hz, 1000W max |
| Power consumption stdb/idle/max | < 1W/14W/30W |
| Dimensions (WxHxD) | 325 x 105 x 420 mm / 12.8 x 4.1 x 16.5″ |
| Weight | 7 kg / 15.4 lb |
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