PS Audio Sprout100 Integrated Amplifier
As PS Audio’s newest, first-tier integrated amplifier, Sprout100 represents their vision of a simple, elegant means of playing music at home.
Sprout represents their vision of a simple, elegant means of playing music at home. They created it for those who want quality sound without the hassles that sometimes come with it. Sprout features a phono preamplifier for vinyl, a Bluetooth receiver for music streamed from smartphones, a high-quality hi-res DAC to handle anything stored on a computer, enough power for any speaker, and a headphone amp that drives even the toughest loads. Roughly the size of a large novel, Sprout100 is a source of music for those who want quality sound without the hassles that come with it.
Sprout is a simple, elegant source of music for those who want quality sound without the hassles that come with it. Sprout was designed by PS Audio’s Scott McGowan as an answer to the complexity and cost of Audiophile systems. Appealing to the eye and ear, solid and reassuring to the touch, Sprout’s ease of use makes it appealing and accessible to music lovers around the world. It features a phono preamplifier for vinyl, a Bluetooth receiver for music streamed from smartphones, a high-quality hi-res DAC to handle anything stored on a computer, enough power for any speaker, and a headphone amp that drives even the toughest loads.
Design
Application
Inputs
To ensure the best possible vinyl reproduction, PS Audio’s engineers crafted a brand-new hybrid circuit design that incorporates a JFET input stage, aimed at reducing noise and increasing headroom, alongside a passive high-frequency RIAA circuit, facilitating extended and nuanced high-frequency response. Optimized for cutting-edge digital playback, Sprout100 also utilizes an ultra high-resolution ESS Sabre DAC (9016) with USB-B input, accommodating resolutions up to PCM 384/24 and DSD128: ensuring bit-perfect playback for high-rez computer audio, video, and gaming applications. An optical (toslink) input enables integration of a TV or other modern digital device with the new system. Bluetooth functionality provides versatility, convenience, and one-touch access to a plethora of content.
Power
Equipped with bleeding-edge ICEpower amplifier technology, the Sprout100 offers 100 watts per channel, with peaks of up to 135 watts per channel. Additionally, it features a built-in subwoofer output (mono RCA, variable), providing users with the flexibility to incorporate their preferred powered subwoofer for desired bass enhancement. Boasting one of the finest headphone amplifiers available, the Sprout100 upholds and reveres the integrity of the music through a low-impedance z-feedback circuit capable of driving virtually any pair of headphones with impeccable transient impulse response. Operating at an unprecedented slewing rate of 1,300 volts/microsecond, the Sprout100’s headphone amp delivers vivid spatial detail and precise tonal retrieval.
Features
Specifications – Sprout100
Physical |
|
| Unit Weight | 2.9 lbs [1.3 kg] |
| Unit Dimensions | Width 6.2″, Height 1.9″, Depth 8.2″ (chassis only, not including knobs) or 9.2” (including connectors and knobs) |
| Shipping Weight | 5lbs [2.2 kg] |
| Shipping Dimensions | Width 10.5″, Height 5″, Depth 14″ |
Power requirements |
|
| Voltage Options | 100-240 VAC, 50-60Hz, Auto-Detect |
| Power Consumption | 280W Maximum |
| Mains Power Input | IEC C14 |
Phono Audio Input |
|
| Connector | 1 Stereo Pair, Phono RCA |
| Cartridge type | Moving Magnet |
| Cartridge Output | 3mV-10mV (5mV recommended) |
| Cartridge Loading | 47KΩ (100pF) |
| EQ Type | RIAA |
| Gain | +40dB |
| S/N ratio | >84dB A-weighted (analog output) |
Analog Audio Inputs |
|
| Connector | 1 Stereo Pair, Line Level RCA |
| Maximum Input level | 2.1VRMS (+6.44dBV) |
| Input impedance | 10KΩ |
Analog Audio Output |
|
| Connector | 1 Stereo Pair, Line Level RCA |
| Output level, maximum | 3.0VRMS (+9.5dBV) |
| Output Max Gain (using Analog Inputs) | 8.45dB |
| S/N ratio | >105dB (3VRMS ref) |
| THD (Analog) | <0.01% (1VRMS, 1KHz) |
S/PDIF Digital Input |
|
| Connector | Optical (Toslink) |
| Format | PCM (96KHz max), 24 bits |
USB Input |
|
| Connector | USB “B” Type |
| Format | PCM (384KHz max), 24 bits, DSD64 (DoP), DSD128 (DoP) |
| Transfer mode | Asynchronous |
Bluetooth |
|
| Antenna | Built in |
| DAC | Uses Sprout’s built in asynchronous DAC over S/PDIF (ESS Sabre 9016 DAC) |
Stereo Power Amplifier Output |
|
| 8Ω loudspeakers connected | 50 watts per channel, both channels driven |
| 4Ω loudspeakers connected | 100 watts per channel, both channels driven |
| THD (Speaker Output) | <0.01% (1W, 1KHz into 4Ω) |
| Frequency Response | +/- 1dB (1VRMS out, 20Hz – 20Khz into 4-8Ω) |
| Signal to Noise | >100dB at max power into 4Ω |
Headphone Output |
|
| 32Ω headphones connected | 500mW |
| 300Ω headphones connected | 125mW |
| THD | <0.01% (1KHz, 50mW into 32 Ω) |
| Signal to Noise | >105dB at max power into 300Ω |
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