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250R & 275R
Orion 250R & 275R User Manual
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FINE TUNING THE HIGH-P
ASS CROSSOVER
“
HIGH RANGE
”
The crossover section is marked at four frequency points for
ease of system adjustment. These points are 10 Hz, 35 Hz , 120
Hz and 1 kHz. Specific crossover points can be to be chosen
based on the recommended operational bandwidth of your
speakers.
Note: When the high-pass crossover is set in the
“
HIGH
”
fre-
quency range, the corner frequencies are 100 Hz, 350 Hz,
1.2 kHz and 10 kHz respectively
.
page 37
36
38
Table of Contents
Table of Contents
2
Introduction
3
Practice Safe Sound
4
What’s in the Box
5
Warranty
6
Specifications
8
Technical Design Features
10
Amplifier Call Outs
11
System Planning
12
Tuning Notes
13
Amplifier 1
13
Amplifier 2
13
System 3
14
Power Connections
20
Power Connections Hcca 275
22
Connect to Remote Turn-On Lead of Source Unit
22
Two Channel Stereo Configuration
24
Speaker Connections
24
Summed Bridged Configuration
26
Single Channel Bridged Configurations
28
Tri-Mode Three Channel Configuration
30
Phase Switches
32
Input Section
32
Input Gain
33
Low-Pass Crossover
34
Internal Crossover Section
34
Fine Tuning the Low-Pass Crossover
35
High-Pass Woofers
36
MID and Tweeters
36
High-Pass Crossover
36
Fine Tuning the High-Pass Crossover “High Range”
37
Adjusting Intelli Q
38
“Q” Boost Filter Response
39
Infinite Baffle Example High-Pass Set @ 30Hz
40
Sealed Example High-Pass Set @ 20Hz
40
Auxiliary Output Section
42
Remote Gain Section
43
Tools for the Trade
44
Installation Tips
44
Choosing Mounting Locations
45
Passenger Compartment Mounting
45
Trunk Compartment Mounting
45
Engine Compartment Mounting
45
General Precautions and Installation Tips
46
Step by Step Installation
47
Testing the System
48
Adjusting the Sound of the System
48
Trouble Shooting Tips
50
No Output
50
Distorted Output
50
Quick Check for Troubleshooting Car Audio Systems
52
Noise Overview
52
Autosound 2000 1-2-3 Method of Logical Troubleshooting
52
Autosound 2000 Troubleshooting Tips
52
Time for Processors
53
Deck to Amp
53
Move the Deck
53
Summation
54
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Orion 250R & 275R Specifications
General
Brand
Orion
Model
250R & 275R
Category
Car Amplifier
Language
English
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