User's Manual

KES400 and KES600 Eco-System Amplifier
specifications:
Inputs: 8 or 12 gold RCA jacks with adjustable gain
Input impedance: 50k ohms
Outputs: 5 way gold binding posts
Output power: 50 watts RMS per channel (8 ohms)
Peak output power: 100 watts per channel (8 ohms)
Ideal impedance: 4 8 ohms
Frequency response: 10 Hz 40 kHz +/- 1dB (1w)
S/N ratio: Over 105 dB A weighted (50 watts)
THD distortion: Less than 0.1% 20 Hz to 20 kHz
IMD distortion: Less than 0.01% 60 Hz 7 kHz 4:1 (SMPTE)
Dimensions: 17” x 3.5” x 11.5” (432 x 89 x 292 mm)
Fan noise: Quiet 28 dBA
Power: Standby in Eco-System less than 5 watts
Maximum 750 watts at 117 VAC or 230VAC
Weight: KES400 20 lbs (9 kg); KES600 22 lbs (10 kg)
Construction: Steel chassis, powder coated; glass epoxy
printed circuit boards
Warranty
Knoll Systems warrants its products sold in the USA and Canada by
authorized Knoll dealers to be free of defects in materials and
workmanship. This warranty extends for three full years from the date
of purchase by the original consumer. Any products returned to Knoll
Systems and found to be defective by Knoll Systems within the
warranty period will be repaired or replaced at Knoll Systems option, at
no charge. Knoll Systems will not be responsible for the actual cost of
installation or removal of the product, nor for any incidental or
consequential damages. Some states do not allow the exclusion or
limitation of incidental or consequential damages, so the above
limitation may not apply to you. This warranty gives you specific legal
rights. You may have additional legal rights that vary from state to
state.
Knoll Systems www.knollsystems.com
145 Tyee Drive Point Roberts, WA 98281
12140 Horseshoe Way Richmond BC V7A 4V5
tel (604) 272 4555, fax (604) 272 5595
KES400 and KES600 Made in Canada, 2011, Knoll Systems All Rights Reserved
KES400 KES600
Eco-System Power
Amplifiers
Installation Instructions v1.3
Warning: To be installed and/or used in accordance with
appropriate electrical codes and regulations.
Introduction: Thank you for your purchase of a Knoll
Eco-System multi-channel power amplifier and
congratulations on your choice. This amplifier is
specifically designed to save energy when idling, which
can be most of the time. When compared to similar power
amplifiers the KES400 and KES600 uses less than 5% of
the energy required for normal amps to idle.
FEATURES:
Eco-SystemCircuitry saves energy (and
money) and increases power.
12 channels x 50 watts RMS at 8 Ohms (over
100W peak). KES400 8 channels.
Individual and automatic channel resetting
protection for low impedance, overheating,
overloading, overvoltage and undervoltage.
Individual gain controls for all channels.
Electronic Link feature connects stereo inputs
channel 2 through 6 to channel 1. KES400
connects stereo inputs channel 2 through 4 to
channel 1.
Side-mounted thermostatically controlled fan for
internal cooling.
Two rack spaces (3-1/2”) with optional rack
mount version.

Summary of content (4 pages)