Keces

Keces S300 Two Channel Power Amplifier

  • Sale
  • Regular price $3,700.00


  • 2 OZ Copper PCB for Power Layer, Ground Layer and Signal Layer to get high damping factor and get more sound quality.
  • 130 watts x2 @ 8 ohm continuous output power / Maximum output power 240 watts x2 @ 8 ohm
  • 225 watts x2 @ 4 ohm continuous output power / Maximum output power 300 watts x2 @ 4 ohm
  • 410 watts x1 @ 8 ohm in bridge mode
  • High bias Class A/AB operation
  • 5 watts per channel of pure Class A power at high bias setting
  • 45 amperes peak current per channel
  • Stable with speaker impedance dips below 2 Ω
  • Operation model selection: Stereo, Bi-Amp, Bridged
  • Dual-mono design
  • Direct-coupled signal path, no capacitors or inductors
  • DC Servo and relay protection circuits
  • JFET input stage, MOSFET driver stage
  • 1.2 kVA toroid power transformer with independent secondary windings for each channel
  • Independent power supplies for left & right channel input stages, driver. stages, output stages
  • 65,600 µF Rubycon filter capacitors for output stages
  • Automatic turn-on by 12 V trigger
  • Neutrik locking XLR input connectors
  • Heavy-duty 24K gold-plated RCA input jacks
  • Heavy-duty 24k gold-plated 5-way speaker binding posts
  • AC turn-on inrush surge protection
  • Overload/Over Temperature Protection
  • The 4mm thickness of the aluminum chassis to effective to blocks EMI/RFI interference

Power Output

130 watts x2 @ 8 ohm continuous output power
Maximum 240 watts x2 @ 8 ohm
225 watts x2 @ 4 ohm continuous output power
Maximum 300 watts x2 @ 4 ohm
BTL: 410W x1 @ 8 ohm

Power bandwidth

5Hz - 160kHz, +0/-3dB
10Hz - 20kHz, +0/-0.1dB

Current capacity

45 amperes peak per channel

Total harmonic distortion (THD+N)

<0.04% at full power
<0.004% at 60 watts

S/N R

110dB, input shorted, IHF A-weighted
101dB, input shorted, unweighted

Inter-channel Crosstalk

>100 dB at 1kHz
>82 dB at 20kHz

Gain

26 dB

Input sensitivity

Unbalanced: 1.6V
Balanced: 0.8V per leg

Input Impedance

Unbalanced: 50k ohm
Balanced: 100K ohm

Damping Factor

>1500 at 20 Hz-1K Hz

Power Requirment

Standby: 0.5 Watt
Maximum: 1000 Watts

Casing

All Aluminum

Dimension (WxDxH)

300x279x133mm

Weight

Net Weight 14KG
Shipping Weight 16KG