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HPA4
Benchmark HPA4 Manuals
Manuals and User Guides for Benchmark HPA4. We have
2
Benchmark HPA4 manuals available for free PDF download: Instruction Manual, Firmware Upgrade Instructions
Benchmark HPA4 Instruction Manual (58 pages)
Reference Stereo Headphone Amplifier and Reference Line Amplifier with Relay Gain and Input Control
Brand:
Benchmark
| Category:
Amplifier
| Size: 3 MB
Table of Contents
Safety Information
2
Fuses
2
AC Input Voltage Range
2
Power Cord
2
Modifications
2
Repairs
2
Table of Contents
3
Front Panel
5
Rear Panel
5
Features
6
Quick Start Guide
7
Main Screen
7
Balance Controls
8
Screen Navigation
9
Display Settings
10
Remote Control
11
Front Panel Controls
12
Connecting Other Audio Components
13
Use Balanced Interfaces When Possible
13
Balanced XLR Signal Levels
13
Selecting Components for Your System
13
Use the 12V Trigger Connections
13
Connecting Benchmark Components
14
Benchmark AHB2 Power Amp
14
Benchmark DAC
14
Basic Features
15
Input Selection
15
Volume Control
15
Balance Adjust
15
MUTE Function
15
-20 Db DIM Function
15
Advanced Features (Settings Screens)
16
Settings Menu Screens
16
DISPLAY Settings
17
Input Setup
19
Rename Input
19
Volume Setup
19
Settings Lock
19
POWER Settings
20
REMOTE Settings
21
ABOUT Screens
22
Splash Screen
22
RESET Screens
23
HPA4 System Overview
24
The Ultimate Headphone Amplifier
24
The Ultimate Line Amplifier
24
Relay-Controlled Gain Stages
24
Balance Controls
24
100% Analog Signal Path
24
Fully-Balanced Signal Paths
24
Differential Amplifiers
24
Powerful Headphone Output
25
Dual Headphone Outputs
25
Ultra-Wide Bandwidth
25
Rotary Encoder
25
Convenience Features
25
12V Trigger
26
Auto-On Function
26
Casework
26
Equipment Placement
26
Auto-Ranging Power Supply
26
Audio Line Inputs
27
Balanced XLR Interfaces
27
Unbalanced RCA Interfaces
27
Input Level Matching
27
Audio Line Outputs
27
Unity Gain at 0 Db
27
Db Offset Balanced Vs. Unbalanced
27
Headphone Outputs
28
Driving Two Sets of Headphones
28
Standard 1/4" TRS Connector
28
High Performance XLR4 Connector
28
THX-888 Amplifier
29
Headphone and Hearing Warnings
29
Soft-Start Circuit
29
Protection Circuits
29
Advanced Feature Details
30
PRESET Mode
30
Auto-On Function
30
Bi-Directional 12V Trigger
30
Software Version Identification
31
Performance Graphs
32
Specifications
50
THX-888 Headphone Outputs
50
Balanced Analog Outputs
50
Unbalanced Analog Outputs
51
Balanced Analog Inputs
51
Unbalanced Analog Inputs
51
Status Display
52
AC Power Requirements
52
Dimensions
52
Weight
52
Model Numbers
52
AC Power-Entry and Fuse Module
53
Regulatory Compliance
54
FCC Notice (U.S. Only)
54
Rohs Compliant Information
54
CE Certificate of Compliance
55
Warranty Information
56
Benchmark 1-Year Warranty
56
Benchmark Extended Warranty Options
57
Notes on Warranty Repairs
57
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Benchmark HPA4 Firmware Upgrade Instructions (4 pages)
Brand:
Benchmark
| Category:
Amplifier
| Size: 0 MB
Table of Contents
Kit Contents
1
Instructions
1
Reverting to Old Firmware
1
Technical Support
2
Figure 1 - Top View before Installing Firmware Kit
3
Figure 2 - on the Main Board, Move Jumper on P4 to this Position
4
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