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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

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.

1 2 3 4 5 6 7 8

Inhaltsverzeichnis

Seite 1 - Installation Instructions

21K Stereo amplifier specifications Inputs: Gold RCA jacks with adjustable gain Input impedance: 50k ohms Outputs: 5 way gold insulated b

Seite 2

Important Safety Instructions: 1) Read these instructions. 2) Keep these instructions. 3) Read all warnings. 4) Follow all instructions. 5) Do not u

Seite 3

Do not use this amplifier near water including near a bathtub, swimming pool or hot tub. This unit should be installed so that its location does not

Seite 4 - Troubleshooting

Hum and noise In most cases, one of the following suggestions should help you solve a hum noise in your system. Please try these steps in the order sh

Seite 5

Getting to know the rear panel A. Audio Inputs Use the INPUT jacks to connect the outputs of a preamplifier, receiver with pre-out connections,

Seite 6 - electrical connections

turn off, check your speakers to verify that they are operating properly. If all other potential sources of trouble check out properly, contact Knoll

Seite 7 - Power control connections

speaker cones will be moving in, while others move out. This will cause indistinct or confusing imaging, and muddled and cloudy sounds. To avoid incor

Seite 8 - Amplifier operation

When installing, make sure the 21k front panel power switch is in the out or “OFF” position. Plug the DC adapter into a switched outlet on the source

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Knoll 21K Bedienungsanleitung

Stöbern Sie online oder laden Sie Bedienungsanleitung nach Audioverstärker Knoll 21K herunter. Knoll 21K User's Manual Benutzerhandbuch

Inhaltsverzeichnis

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