Krell Industries KAV 3250 User Manual
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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