PS AUDIO STELLAR STRATA

€4,200.00
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GARANZIA UFFICIALE
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The Stellar™ Strata™ combines the benefits of an exceptional analog preamplifier, a full-featured state-of-the-art DAC, a stereo 150 watt per channel power amplifier, and a high-resolution streaming module in one gorgeous package. Strata's fully balanced analog preamplifier circuitry, state-of-the-art DAC, no compromise high-definition streamer, and Analog Cell™ based power amplifier create an extraordinarily rich, full-bodied musical experience few products can match. The Stellar Strata is the perfect foundation for those unwilling to compromise sound quality. Rich. Lush. Powerful. A music lover's answer to spiraling cost-no-object equipment without sacrifice.

Inizio modulo

DESIGN

The idea of combining a cutting edge DAC, full-featured analog preamplifier, high-definition streaming module, and a robust 200 watt per channel power amplifier was the basis of the Stellar Strata™ design imperative. We wanted an easy, simple, no-compromise musical experience whether streaming high-resolution audio from Tidal or Qobuz, exploring the millions of choices on Spotify, or plugging into a Stellar Phono. "Just add speakers" became engineering's rallying cry. Strata holds true to its promise of easy connectivity. Download the PS Connect app onto your mobile device, point Strata to your home WIFI network, connect your speakers or headphones, and music filled with the rich textures and toe-tapping energy you've always hoped for will delight even the most critical music lover.

APPLICATION

Audiophiles have long recognized the challenge of interconnecting multiple systems into a single synergistic musical experience. Interconnect choices, power supply options, and chassis isolation requirements all play into the building of a truly musical system—get any one part wrong and the system performance is compromised. Not so with Stellar Strata. The chance for PS Engineering to optimize the audio synergy between Strata's four separate systems was immediately appealing: eliminate the variability of interconnection issues, voice the entire system as one component, optimize power supplies, control every aspect of sound quality up to the speakers.

At this instrument's heart is the analog GainCell™. Developed by PS Audio founder Paul McGowan, the Gain Cell™ elegantly solves the fundamental problem facing preamp designers. Volume control. Nearly all analog preamplifiers use sonically-degrading elements inserted in the signal path to control volume. The Gain Cell eliminates this problem without additional circuitry in the signal path by varying its gain in response to front panel controls. Once the high definition streaming module or connected source has passed through the Class A analog preamplifier, it's time to connect to your speakers. Here, engineer Darren Myers used the Analog Cell where he could lavish upon the music the sweet, tube-like quality of Class A biased MOSFETs. Combined with the ruler flat high linearity of Strata's high current output stage, richly overlayed layers of music’s inner details are preserved even in the most complex orchestral crescendos.

 

Features

CLASS A BALANCED ANALOG PREAMPLIFIER

FULL FUNCTION DAC

BUILT IN STREAMING SERVICES

CLASS A HEADPHONE AMPLIFIER

150 WATT PER CHANNEL POWER AMPLIFIER

PS CONNECT MOBILE CONTROL APP

BUILT IN WIFI

HIGH RESOLUTION UP TO 96KHZ

TIDAL

QOBUZ

SPOTIFY

FOUR DIGITAL INPUTS

I2S INPUT

DIGITAL LENS TECHNOLOGY

DSD DIRECT THROUGH I2S

192KHZ ASYNCHRONOUS COAX INPUT

384KHZ ASYNCHRONOUS USB

HIGH CURRENT CLASS A HYBRID OUTPUT STAGE

 

Specifications

Physical

Unit Weight

13.5 lbs [6.1 kg]

Unit Dimensions

17” x 12” x 3”

Shipping Weight

17 lbs [7.7 kg]

Shipping Dimensions

23”x 18” x 9”

Power requirements

Input Power

Model specific 100VAC, 120VAC, or 230VAC 50 or 60Hz

Maximum Power Consumption

500W

Mains Power Input

IEC C14

Fuses

100V T250V-2.0AH (5A Slow Blow)
120V T250V-1.6AH (4.5A Slow Blow)
230V T250V-1.0AH (2.5A Slow Blow)

Accessories included

US (NEMA 5-15P) (all versions)
Schuko (CEE7/7) (230V version)
UK (BS1363) (230V version)

Analog inputs

RCA

3 stereo pair

XLR

1 stereo pair

Digital audio inputs

I2S

1 PCM (384KHz max)
DSD64 DSD128
Compatible with DirectStream Transport SACD handshake for DSD playback

Coax

2 PCM (192KHz max)

Optical

1 PCM (96KHz max)

USB

PCM (384KHz max)
DSD64 (DoP) DSD128 (DoP)

Format

PCM, DSD

Analog Audio Outputs

RCA

(Analog Unbalanced) 1 stereo pair

Headphones

One 1/4″ headphone connector front panel

Analog Performance

Gain

12dB +/-0.5dB

Maximum output

20 Vrms

Sensitivity

5.3Vrms

Input Impedance

47KΩ single ended RCA
100KΩ Balanced XLR

Output Impedance

100Ω single ended RCA
200Ω balanced XLR

Frequency Response

20Hz – 20KHz +0/- 0.25dB
10Hz – 100KHz +0.1/-3.0dB

Noise

20-20KHz <-90dBV

S/N Ratio

1KHz >110dB (max output)

Channel separation

1KHz >90dB

Input separation

1KHz >90dB

THD&IM

1KHz < 0.025%
20-20KHz < 0.05%

Headphone performance

Output power @1% THD

300Ω 300mW
16Ω 3.25W

S/N Ratio 1kHz
Noise

>95dB (max output)
<-80dBV

THD & IM 1Vrms out

300Ω <0.05%
16Ω <0.06%

Output impedance

<4 Ω

Network

WiFi

100 mbps

Ethernet

100 mbps

Power Amplifier

THD & IM

< 0.02% @ 1KHz, 1W/4Ω
< 0.02% @ 10-20KHz, 1W/4Ω
< 0.05% (90kHz BW) @ 10-50 KHz, 1W/4Ω
< 0.01% @ 1KHz, 37.5W/4Ω

Output Power

Both channels driven 120vac mains, 1kHz, 1% THD
100W minimum @ 8Ω
200W minimum @ 4Ω
Stable for musical transients @ 2Ω

Features

Volume Control

0-100 (1/2 and 1dB steps, 80dB total range)

Balance Control

24dB each direction in 1/2dB steps

Home Theater Mode

Assignable to any analog input
Adjustable (in setup) to any level

Polarity (phase) Control

Digital sources only

Filter Control

3 selectable digital filters (PCM digital sources only)

Trigger output

(3.5mm 5-15VDC) 2

Remote Control

Infrared

 

3332_3511

Specific References

mpn
0403081