NuPrime STA-9X
NuPrime STA-9X / Black
$1,688.00
The NuPrime STA-9X, a 2 X 130W Class-A+ Dual Feedback Class-D stereo amp, bridgeable into a 330W mono amp, is a redesigned STA-9 utilizing technology from AMG-STA. STA-9X has a sound characteristic that is spacious, transparent, dynamic, luxuriously textured with extended high-frequency.
Frequently Asked Questions
What makes NuPrime different from other brands?
NuPrime's unique hybrid Class-D design combines Class-A transistors with Class-D amplification, delivering the warmth of Class-A with the efficiency of Class-D. With ultra-high switching frequencies (600kHz-700kHz) and advanced low-noise power supply technology, NuPrime achieves exceptional sonic clarity and ultra-clean backgrounds.
Does the STA-9X include a DAC?
No, the STA-9X is a dedicated power amplifier and does not include a DAC. You will need a separate preamplifier or DAC with analog outputs (RCA or XLR) to connect to the STA-9X.
What speakers work best with STA-9X?
The STA-9X pairs well with efficient speakers like Klipsch, Triangle, and Elipson. Its clean, neutral sound preserves your speakers' character.
Does it support high-resolution audio?
Yes, when paired with a high-quality DAC, the STA-9X can reproduce up to 32bit/768kHz PCM and DSD256 with exceptional clarity.
Can I use it for headphones?
The STA-9X is a power amplifier designed for speakers. For headphones, connect a headphone amplifier to your DAC/preamp.
How does the STA-9X compare to traditional power amplifiers?
The STA-9X offers Class-A/AB-like sound quality with Class-D efficiency. Unlike traditional heavy Class-A/AB amps, the STA-9X runs cooler, consumes less power, and delivers exceptional detail through its 600kHz-700kHz hybrid switching design.
What inputs/outputs does it have?
The STA-9X features RCA and XLR analog inputs for connection to your preamplifier or DAC. It uses proprietary NuPrime Hybrid Class-D amplification with 600kHz-700kHz switching frequency for exceptional audio performance.
Is there a burn-in period?
NuPrime recommends 100-200 hours for optimal capacitor and circuit performance. The sound will become smoother and more natural over time.
