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21K Stereo amplifier specifications
Inputs: Gold RCA jacks with adjustable gain
Input impedance: 50k ohms
Outputs: 5 way gold insulated binding posts
Output power: 90 watts RMS per channel (8 ohms)
Ideal impedance: 4 – 8 ohms
Frequency response: 10 Hz – 40 kHz +/- 1dB
S/N ratio: Over 106 dB A weighted (90 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: No fan needed
Power: Maximum 320 watts at 117 VAC 60 Hz
Weight: 20 lbs
Construction: Steel chassis, powder coated; glass epoxy
printed circuit boards
Rack version: 21k-Rack
Three Year Limited Warranty
Knoll Systems warrants 21K amplifiers sold in the USA or Canada by authorized
Knoll dealers to be free from defects in materials and workmanship. This
warranty extends for three full years from the date of purchase by the
consumer. Any products returned freight prepaid 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 consequential or incidental damages. Some states do not allow the
exclusion or limitation of incidental or consequential damages, so the above
limitation or exclusion may not apply to you. This warranty gives you specific
legal rights. You may have additional rights, which vary from state-to-state.
Knoll products sold outside of the USA and Canada may be covered by
warranties provided by an authorized Knoll distributor. Please contact the
distributor in the country that the Knoll product was purchased.
Knoll Systems www.knollsystems.com
145 Tyee Drive Point Roberts, WA 98281
12140 Horseshoe Way Richmond BC V7A 4V5
Telephone (604) 272 4555, Fax (604) 272 5595
Made in Canada
, © 2005, All Rights Reserved
21K
Stereo Amplifier
Installation Instructions
v1.1
Caution: To reduce the risk of electrical shock, do not remove
the cover (or back). No user serviceable parts inside. Refer to
qualified service personnel.
Warning: To reduce the risk of fire or electric shock, do not
expose this appliance to rain or moisture.
The lightning flash with arrowhead, within an
equilateral triangle, is intended to alert the user to the
presence of uninsulated “dangerous voltage” within
the products that may be of sufficient magnitude to constitute a
risk of electrical shock to persons.
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of
important operation maintenance (servicing)
instructions in the literature accompanying the appliance.