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S/5000e Stereo Power Amplifier

Front View The S/5000e represents a return to one of Threshold’s most well-regarded traditional values: prodigious power at an affordable price.

The S/5000e is the heir to Threshold’s legacy of high-current designs that effortlessly command and control demanding loudspeaker loads, delivering the power needed for full revelation of dynamic contrasts and bass extension.

But power is only part of the S/5000e story. The amplifier employs minimal feedback, attesting to its inherent stability and excellent open-loop performance, and is direct coupled input to output, with no capacitors in the signal path. Like all Threshold amplifiers, it utilizes close-tolerance metal film resistors, and matched JFETs. The result is superb open and airy resolution of low-level detail — the subtle shadings that differentiate musical performances.

The ability of the S/5000e to reproduce transient attack, and to explicate complex musical passages, confirms its heritage — flowing not only from the famous Threshold designs of the past, but from today’s remarkable flagship power amplifier, the STASIS 8.0.

The highly affordable S/5000e brings Threshold’s acclaimed designs within easy reach — it’s state-of-the-art that takes into account the state of your budget.

S/5000e Features

  • High-current output stage easily drives low-impedance reactive loudspeaker loads
  • Low-noise solid state design
  • All-discrete components
  • Accurate, detailed reproduction
  • No transistor glare
  • Direct coupled input to output for tight extended bass
  • High-speed design resolves complex musical passages
  • Balanced inputs provide high common-mode rejection for lower noise
  • Premium components such as military-spec precision resistors, computer-grade capacitors, military-grade glass-epoxy circuit boards, massive custom toroidal power transformer
  • Rear View
  • Isolated power reserves for voltage and current gain stages
  • Separate power supply sections for left and right channels
  • Gold-plated RCA jacks
  • Swiss-made XLR connectors
  • Cardas gold-plated binding posts
  • Traditional Threshold rugged chassis construction
  • Intelligent 12V DC Trigger for remote startup
  • High reliability
  • Soft-start turn-on
  • Modular construction
  • Rack-mountable design
  • Attractive polished silver anodized aluminum front panel complements the Threshold STASIS-R Stereo Control Preamplifiers
  • Handcrafted in the USA
S/5000e Specifications
  • Nominal Power Output (20Hz–20kHz)
  • 250 Watts per channel at 8 Ohms
  • 400 Watts per channel at 4 Ohms
  • Frequency Response: DC- 50kHz
  • Distortion: 0.05% at 1kHz, at rated output power
  • Voltage Gain: 28 dB
  • Input Impedance: 22k ohm (RCA), 600 ohm (XLR)
  • Input Sensitivity: 1.80V RMS for full power output
Dimensions and Weight
  • 19'' W x 7'' H x 10.75'' D
  • 48.25 cm W x 17.8 cm H x 27.3 cm D
  • Shipping Weight: 44 lbs., 17 kg
  • Net Weight: 38 lbs., 20 kg

View S/e Series Literature (PDF Format)
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