Table of Contents
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QA4150
QA4300
Owner's Manual
SIGNAL
CLIP
PROTECT
SIGNAL
CLIP
PROTECT
SIGNAL
CLIP
PROTECT
POWER
10
10
10
11
9
11
9
11
9
12
8
12
8
12
8
13
7
13
7
13
7
ON
15
6
15
6
15
17
5
17
5
17
19
4
19
4
19
22
3
22
3
22
29
2
29
2
29
OFF
54
1
54
1
54
1
0
0
0
CHANNEL 1
CHANNEL 2
CHANNEL 3
SIGNAL
CLIP
PROTECT
SIGNAL
CLIP
PROTECT
SIGNAL
CLIP
PROTECT
POWER
10
10
10
11
9
11
9
11
9
12
8
12
8
12
8
13
7
13
7
13
7
ON
15
6
15
6
15
17
5
17
5
17
19
4
19
4
19
22
3
22
3
22
OFF
29
2
29
2
29
54
1
54
1
54
1
0
0
0
CHANNEL 1
CHANNEL 2
CHANNEL 3
SIGNAL
CLIP
PROTECT
QUAD-CHANNEL
10
11
9
12
8
HPA
13
7
6
15
6
5
17
5
QA4150
4
19
4
3
22
3
2
29
2
POWER AMPLIFIER
54
1
0
CHANNEL 4
SIGNAL
CLIP
PROTECT
QUAD-CHANNEL
10
11
9
12
8
HPA
13
7
6
15
6
5
17
5
QA4300
4
19
4
3
22
3
2
29
2
POWER AMPLIFIER
54
1
0
CHANNEL 4
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Table of Contents
Related Manuals for HPA QA4150
Summary of Contents for HPA QA4150
- Page 1 Owner’s Manual QA4150 SIGNAL CLIP PROTECT SIGNAL CLIP PROTECT SIGNAL CLIP PROTECT SIGNAL CLIP PROTECT POWER QUAD-CHANNEL QA4150 POWER AMPLIFIER CHANNEL 1 CHANNEL 2 CHANNEL 3 CHANNEL 4 QA4300 SIGNAL CLIP PROTECT SIGNAL CLIP PROTECT SIGNAL CLIP PROTECT SIGNAL CLIP...
- Page 2 WARNING...
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Page 3: Table Of Contents
Table of Contents QA4150 / QA4300 Table of Contents Introduction ………………………………………………………… 2 Features ……………………………………………………………… 3 Front Panel Controls ………………………………………………… 4 Rear Panel Controls ………………………………………………… 5 Protection …………………………………………………………… 7 Setup ………………………………………………………………… 8 Connections ………………………………………………………… 9 Wiring ………………………………………………………………… 11 Specifications ……………………………………………………… 12... -
Page 4: Introduction
Introduction QA4150 / QA4300 Introduction SIGNAL CLIP PROTECT SIGNAL CLIP PROTECT SIGNAL CLIP PROTECT SIGNAL CLIP PROTECT POWER QUAD-CHANNEL QA4300 POWER AMPLIFIER CHANNEL 1 CHANNEL 2 CHANNEL 3 CHANNEL 4 QA4150 / QA4300 QUAD-CHANNEL POWER AMPLIFIER Welcome. Congratulation and thank you for the purchasing QA Series, a state-of-the-art heavy duty professional amplifier. -
Page 5: Features
• QA4150 4 x 100 Watts at 8 ohm, 4 x 150 Watts at 4 ohm and 2 x 300 Watts at 8 ohm bridge QA4300 4 x 200 Watts at 8 ohm, 4 x 300 Watts at 4 ohm and 2 x 600 Watts at 8 ohm bridge •... -
Page 6: Front Panel Controls
Front Panel Controls QA4150 / QA4300 Front Panel Controls SIGNAL CLIP PROTECT SIGNAL CLIP PROTECT SIGNAL CLIP PROTECT SIGNAL CLIP PROTECT POWER QUAD-CHANNEL QA4300 POWER AMPLIFIER CHANNEL 1 CHANNEL 2 CHANNEL 3 CHANNEL 4 1. Rack Mounting Ears 7. Protect Indicators... -
Page 7: Rear Panel Controls
Rear Panel Controls QA4150 / QA4300 Rear Panel Controls WARNING CH 2 CH 1 CH 2 CH 1 CONNECT 1 BREAKER DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY SAME TYPE FUSE... - Page 8 Rear Panel Controls QA4150 / QA4300 6. Circuit breaker The breaker acts in place of common dis- cardable fuses. This circuit breaker will trip if there is a fault with the main voltage or if max- imum output is exceeded. Simply depress the circuit breaker and power up the unit again.
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Page 9: Protection
Protection QA4150 / QA4300 Protection Current limiting Protection ; At the amplifi- Every model in the QA Series incorporates protection features. The front panel Protection er’s full power limit, or clipping point, the lim- LED indicates the activity of the relay speaker iter circuitry will be activated. -
Page 10: Setup
Setup QA4150 / QA4300 Setup Mode Select Note : Bridged mono mode is to be used only when the QA Series is connected to a 8 ohms speaker load. Use of Bridged mode with speaker loads of 8 ohms or less can result in severe damage to the unit due to excessive heat and current limiting. -
Page 11: Connections
QA4150 / QA4300 Connections Connections Stereo Mode (5-Way Output Binding Posts) CH 2 CH 1 WARNING CH 2 CH 1 CONNECT 1 DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE... -
Page 12: Stereo Mode
Connections QA4150 / QA4300 Stereo Mode SPK+ to PIN 2+ SPK+ to PIN 1+ SPK- to PIN 2- SPK- to PIN 1- WARNING CH 2 CH 1 CH 2 CH 1 CONNECT 1 DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR... -
Page 13: Wiring
QA4150 / QA4300 Wiring Wiring These are several ways to interface the QA series amplifier to support a variety of applications. The QA series features balanced inputs and outputs, so connecting balanced and unbalanced signals is possibles. Unbalances 1/4” Connector Speakon®... -
Page 14: Specifications
Specifications QA4150 / QA4300 Specifications QA 4150 QA 4300 Rated Output Power Stereo Four Channel Driven 8 ohms 100 W 200 W 4 ohms 150 W 300 W Rated Output Power Bridged Mono 8 ohms 300 W 600 W Signal to Noise Ratio...