Keces Audio
S300+
Power Amplifier

Excl. TAX € 3,304.96
Incl. 21 % TAX € 3,999.00

Dual-mono design
Direct-coupled signal path, no capacitors or inductors
JFET input stage, MOSFET driver stage
PCB with separate power, ground and signal Layers
130 W per channel continuous output power, maximum output power 240 W @ 8 Ohm
225 W per channel continuous output power, maximum output power 300 watts @ 4 Ohm
410 watts @ 8 Ohm in mono bridge mode
High bias class A/AB operation
5 W 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
DC servo and relay protection circuits
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
Automatic turn-on by 12 V trigger
AC inrush current limiter
Overload / over temperature protection
The 4 mm thickness of the aluminum chassis to effective to blocks EMI/RFI interference

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The sound is wonderful and about as smooth as you can get. Class AB amps are quite inefficient power-wise, and Class A amps are even less efficient than that. There is a price to pay for this inefficiency: Heat! The S300+ runs HOT…

Changes from the original S300 to S300+:
– Damping Factor: 1500 to 4000 (167 % higher!)
– Upgraded internal components
– Upgraded speaker terminals to WBT-0703Cu.

Reviews:
Keces S300+ Stereo HIFI Power Amplifier– Speaker Utopia Sound Master @ audiophile-heaven.com
“I want to add Keces S300+ to the Audiophile-Heaven Hall Of Fame for its exceptional resolution, clarity, detail and
control it has over all speakers out there, and for being the best sounding HIFI Stereo amplifier I heard to date, regardless of the price point.”

First contact with the KECES S300+ Stereo Amplifier by Dean Waters @ positive-feedback.com
“It’s a real joy to listen (and re-listen) to recordings on a better version of my own speakers thanks to the KECES S300+.”
“If you’re facing a choice to either upgrade your speakers or upgrade your amplifier, choose the latter. Upgrade the amplifier first. As the KECES S300+ shows, you likely have no idea what your current (or new) speakers can do if your amplifier is sub-par compared to the true capabilities of the speakers.”

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