Crown D-75 Power Amplifier Manuals

Manuals and User Guides for Crown D-75 Power Amplifier. We have 5 Crown D-75 Power Amplifier manuals available for free PDF download: Service Manual, Instruction Manual, Specification Sheet

Crown D-75 Service Manual (64 pages)

DUAL-CHANNEL POWER AMPLIFIER

Brand: Crown | Category: Amplifier | Size: 7.48 MB

Table of Contents
4
Introduction
7
Facilities
8
Rear Facilities (0·75)
9
Required Test Equipmenl
11
Maintenance
13
Safety First
13
Inspection
13
Disassembly
13
Reassembly
14
Troubleshooting
14
Ohm Load Wavefonn
15
20Khz Sine Wave
15
4.4 1M Distortion Test Se
16
AC Mains Voltage Conversion
17
Voltage Conversion
17
Circuit Theory
19
Block Diagram
19
Balanced
20
Balanced/Unbalanced Input
20
Input Operational Amplifier
20
Signal Translator
20
Final Voltage.amplifier
21
Final Voltage Amplifier
21
Bias
21
Protection Circuitry
21
Signal Presence Indicator
22
Specifications
23
- General
  23
- Monaural
  23
Power Matrix
25
- ._._
  26
Nominal Phase Responce
27
Nominal Power Efficiency
27
Nominal Damping Factor
28
Nominal Output Phase Angle
28
- Shipment
  33
- Tenns
  33
- Parts Lists
  52
- Wiring
  55
- Input
  55
Controls
59
Prolcction
60

Crown D-75 Service Manual (59 pages)

Dual-channel Power Amplifier

Brand: Crown | Category: Amplifier | Size: 18.94 MB

Table of Contents
4
Introduction
6
- Warranty
  6
Facilities
7
Required Test
9
Maintenance
10
Safety First
10
Circuit Theory
15
Input Operational Amplifier
16
Signal Translator
16
Final Voltage
17
Bias
17
- Output Stage
  17
- Protection Circuir.ry
  17
- Signal Presence Indicator
  18
General
19
Stereo
20
Power Matrix
21
Nominal Power Efficiency
23
Nominal Damping Factor
24
Schematic Diagrams
26
Main
38
Output Modul
42
Front Panel Assembly
46
Back Panel
50
Capacitor Brackel Assembly
51
Final Assembly
52
Input High Pass Filter
55
Connection to an Inductive
56

Crown D-75 Instruction Manual (27 pages)

DUAL-CHANNEL POWER AMPLIFIER

Brand: Crown | Category: Amplifier | Size: 14.88 MB

Table of Contents
2
List of Illustrations
3
General Information
4
Introduction
4
Purpose of Equipment
4
Unpacking
4
Un Its an D Ac Ce Sso Rie S Sup P Li Es
4
Service Policies
4
L- L
4
Glossary of Terms
5
Murphy's Law
6
Specifications and Performance
8
General Specifications
8
Monaural Specifications
9
Stereo Specifications (8 Ohms)
10
F I G .2 .2 Nom Ina L Output Imp Ed an Ce
11
Fig. 2.3 Nominal Phase Response
12
F I G . 2 .5 Nom Ina L Dam Pi Ng Fac Tor
13
Fig. 2.6 Nominal Output Phase Angle
13
Fig. 2.8 Nominal Noise Spectrum
14
Operation and Installation
15
General
15
Installation
15
Normal "Stereo" Installation
15
Connecting Output Lines
15
Fig.3.1 D-75 Mounting Dimensions
15
Fig. 3.2 D-75 Rear Panel
16
Fig 3.3 Source Resistance and Damping Factor Vs. Length and Size of Output Leads
16
Mono Operation
17
Connecting Input Lines
17
Fig. 3.4 Schematic for Full Range Electrostatic Speaker Connection
17
Fi G
17
Connecting Power
18
Fig. 3.6 Graph for Selection of Input Capacitor
18
F I G
18
The Protection Mechanisms
19
Operating Precautions
19
F I G . 3 .8 M Odi F Yi Ng a C Ma Ins Vo Lta Ge
19
Load Protection Methods
20
Fig. 3.9 Fuse Selector Nomograph for Loudspeaker Pro Tection
20
I Cleaning
21
Fig. 3.1I Turn-On-Transient Muter for Load Protection
21
Principles of Operation
23
General
23
Block Diagram Circuit Theory
23

Crown D-75 Instruction Manual (31 pages)

Dual-channel Power Amplifier

Brand: Crown | Category: Amplifier | Size: 3.4 MB

Table of Contents
7
General Information
9
Urpose of Equipment
9
Unpacking
9
Units and Accessories Supplies
9
Service Olicies
9
Glossary of Terms
10
General Specifications
12
Monaural Specifications
13
Stereo Specifications (8 Ohms)
14
Fig. 2.1 Nominal Frequency Response
15
Fig. 2.2 Nominal Output Impedance
15
Fig. 2.7 Nominal Crosstalk
18
Fig. 2.8 Nominal Noise Spectrum
18
Fig. 3.1 D-75 Mounting Dimensions
19
General
19
Installation
19
Normal " Stereo " Installation
19
Connecting Output Lines
19
Fig. 3.4 Schematic for Full Range Electrostatic Speaker Connection
21
Fig. 3.5 D-75 Mono Hook-Up
21
Mono Operation
21
Connecting Input Lines
21
Fig. 3.6 Graph for Selection of Input Capacitor
22
Connecting Ower
22
Fig. 3.8 Modifying AC Mains Voltage
23
The Rotection Mechanisms
23
Load Rotection Methods
24
Cleaning
25
Fig. 3.12 Normal Hi-Fi Installation
26
Rinciples of Operation
27
General
27
Block Diagram Circuit Theory
27

Crown D-75 Specification Sheet (2 pages)

Crown Audio Stereo Amplifier Specification Sheet D Series

Brand: Crown | Category: Amplifier | Size: 2.85 MB

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