HIGHLIGHTS P3 2020 EDITION
- Slim design; medium size Form Factor.
- Single Ended ACSS Power Amplifier
- Per channel 70W @ 8 ohms output power
- Diamond gain stages and pre-buffer stages working in pure class A
- Output transistors stages work in high idle current state.
- Diamond Cross output stage design avoids “switch distortion”.
- Non- feedback ACSS analogue amplifier design
- Audiophile grade components, WIMA caps, custom order NOVER (UK brand) caps, all audiophile grade input & output sockets and gold IEC socket.
- RCA Input (Single Ended)
- ACSS mini Input (Single Ended)
- 2 x Speaker (LEFT & RIGHT) Neutrik output IEC sockets.
PS3 Power-amp is a discrete design applying the latest ACSS technology which improves the XLR connection to be able to sound as good as the ACSS connection. It seems complex, but in fact it is most straightforward design in the world. There are a lot components in the power supply providing rich and clean sound. The PS3 power amp has a single “voltage” gain stage to process signals, but works fully in ACSS mode; which in fact is a current gain stage instead of the standard voltage gain stage. The voltage gain state applied by almost all manufacturers requires at least two or three voltage gain stages. We implemented most elementary and shortest signal journey resulting most neutral and cleanest sound.
PS3 Power-amp applies ultra-low distortion single stage ACSS amplifier soldered directly on the motherboard to reduce noise floor even more. The gain stages and pre-buffer stages are all designed to work in pure class A .
The diamond cross output stage design avoid “switch distortion” as good as the best class A amp.
The ACSS is a non-feedback technology is designed with discrete amplifiers. Most people think the feedback design offer better specs in test measurements, and non-feedback isnt as good. Putting the measurements aside, non-feedback offers more pleasant sound for the human’s ears. This is a paradoxical conflict of classic circuits. Our developed ACSS named technology opens a new field: It can offer a neutral
sound with very low distortion and high linearity. Retain the dynamics, detail and neutral sound without sounding bright or harsh.
All signal gain are in current mode, achieved by the unique, superb open-loop multiple output current mirror. Incomparably precise and ultra-low distortion in the gain signal is the result. The signal path is single-ended throughout and all transistors work in class A mode.
Massive use of high power parts and robust power supply guarantees vigorous current output that drives almost every loudspeaker.
Power-amp A1 applies two channel diamond non-feedback output stages composed of 4 transistors, every transistors can handle 150W / 15A . The power supply capacitance is over 40,000uF per channel.
The Power-amp A1 supports very wide frequency band with excellent phase distortion, and boost the amp to have excellent detail and dynamic reproduction.
Solely audiophile grade components being used, e.g. 0.1% KOA resistors, WIMA caps, and custom ordered NOVER (UK brand) caps.
MONO BRIDGED; BI-AMP OR STEREO
The bridge mode of the Precision 3S allows you to output 1 X 200W per UNIT. Your pre-amplifier must have XLR (balanced) outputs for this setup.
Note: Special AUDIO GD bridge cables are available to connect your pre-amp to the PS3 in bridge mode.
BRIDGE MODE CONFIGURATION
BI-AMP EXAMPLE CONFIGURATION
|Frequency response||20Hz – 20kHz (at 0.5dB)|
|Exits||2x Stereo Speaker Terminals|
|Signal to noise ratio||> 115dB|
|Output power||2x70W @ 8 Ohm / 2×15 under 40 Ohm (headphone)|
|Input sensitivity||1.5V (RCA) / 2mA (ACSS)|
|Housing material||100% Aluminum|
|Accessories||1x Power cable|