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Krell Industries KAV 3250 User Manual

Page 30

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Krell KAV–2250 and KAV–3250

Specifications

KAV–2250

FREQUENCY

20 Hz to 20 kHz

+0 dB, -0.09 dB

RESPONSE

0.25 Hz to 170 kHz

+0 dB,

-3 dB

SIGNAL TO NOISE
RATIO

“A” WEIGHTED

>112 dB

TOTAL HARMONIC 1

kHz

<

0.03%

DISTORTION (THD) 20

kHz

<

0.20%

GAIN 25.7

dB

INPUT IMPEDANCE 100

kOhms

INPUT SENSITIVITY 2.32

Vrms

OUTPUT VOLTAGE

Peak to Peak

127 V

RMS 45

V

OUTPUT POWER

EACH CHANNEL

8 Ohms

250 W

4 Ohms

500 W

BRIDGED

8 Ohms

1000 W

POWER Standby

35

W

CONSUMPTION Idle

80

W

Max.

2000

W

INPUTS

2 single-ended via RCA connectors

2 balanced via XLR connectors

OUTPUTS

2 amplifier channels via five-way binding posts

REMOTE CONNECTORS

12 VDC Out (12 V trigger) via a 3.5 mm connector

12 VDC In (12 V trigger) via a 3.5 mm connector

DIMENSIONS

17.3w x 5.6h x 17.1d in.

43.8w x 14.3h x 43.4d cm

WEIGHT

SHIPPING

74.0 lb., 33.5 kg

UNIT ONLY

64.0 lb., 29.0 kg

All operational features, functions, specifications, and policies are subject to change without notification.

Krell KAV–2250 and KAV–3250 iii

Contents

Page

INTRODUCTION

1

DEFINITION OF TERMS

2

UNPACKING

4

PLACEMENT

5

AC Power Guidelines

5

FRONT PANEL DESCRIPTION

7

BACK PANEL DESCRIPTION

9

CONNECTING THE AMPLIFIER TO YOUR SYSTEM

11

Input and Output Connections

11

AMPLIFIER OPERATION

13

On/Off and Operation

13

Using a Dedicated Wall Switch

13

TROUBLESHOOTING SYSTEM NOISE

14

RECONFIGURATION OPTIONS FOR THE KAV–2250 AND KAV–3250

15

To Safely Access the Input Switch Banks

15

Amplifier Factory Default Settings

18

Reconfiguring the Amplifier for MAT Operation

18

Reconfiguring the Amplifier for Bridged Operation

21

Example of a Connection Scenario: Multi-power Mode

22

QUESTIONS AND ANSWERS

23

WARRANTY

24

RETURN AUTHORIZATION PROCEDURE

25

SPECIFICATIONS

KAV–2250

26

KAV–3250

27