Diamond Audio D3 Series - Manual

Diamond Audio D3 Series

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Table of Contents:

  • Page 3 – INPUT CONNECTIONS AND AUDIO CONTROL; SETTING THE GAIN
  • Page 5 – SYSTEM DIAGRAMS; Bridged-Mono Subwoofer System
  • Page 7 – Mixed-Mode Satellite and Subwoofer System; NOTE
  • Page 9 – -Channel Stereo System
  • Page 11 – Bridged Mono Channel; -Channel Stereo System with Low-pass
  • Page 13 – Speakers On Front; Mixed-Mode System On Rear
  • Page 15 – LIMITED WARRANTY STATEMENT; HOW TO OBTAIN WARRANTY SERVICE; A U D I O T E C H N O L O G Y; O w n e r ' s G u i d e; S e r i a l N u m b e r; D I A M O N D; Tel
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T h e D 3 S e r i e s A m p l i f i e r s p r o v i d e a w i d e r a n g e o f p o w e r a n d f e a t u r e s t h a t m a k e t h e m a n
e x c e l l e n t c h o i c e f o r a v a r i e t y o f c a r a u d i o s o u n d s y s t e m c o n f i g u r a t i o n s .
D 3 A m p l i f i e r s u s e a n u n r e g u l a t e d p o w e r s u p p l y f o r g o o d c o n t r o l o f o u t p u t p o w e r . T h i s
p o w e r s u p p l y d e s i g n h e l p s y i e l d m a x i m u m p o w e r t r a n s f e r w i t h a m i n i m u m o f h e a t l o s s .
O n b o a r d n o i s e f i l t r a t i o n i s u s e d t o k e e p u n w a n t e d n o i s e f r o m l e a k i n g i n t o t h e s y s t e m f r o m t h e
a m p l i f i e r . E a c h D 3 a m p l i f i e r c o m e s c o m p l e t e w i t h t h e r m a l , s h o r t , a n d l o a d p r o t e c t i o n c i r c u i t s
a s w e l l .

INTRODUCTION

T h e D i a m o n d A u d i o D 3 S e r i e s A m p l i f i e r s i n c o r p o r a t e t h e f o l l o w i n g f e a t u r e s :
F u l l f r e q u e n c y r e s p o n s e w i t h l o w d i s t o r t i o n a n d e x c e p t i o n a l s i g n a l t o n o i s e p e r f o r m a n c e .
A d v a n c e d c i r c u i t d e s i g n t h a t f e a t u r e s s t e r e o , m o n o a n d m i x e d m o d e o p e r a t i o n f o r u s e i n a
v a r i e t y o f s y s t e m s .
V a r i a b l e h i g h - p a s s / l o w - p a s s e l e c t r o n i c c r o s s o v e r w i t h a 1 2 d B p e r o c t a v e s l o p e a n d f u l l y
a d j u s t a b l e r a n g e ( 5 5 H z ~ 5 5 0 H z ) .
V a r i a b l e b a s s b o o s t c i r c u i t t o r e i n f o r c e l o w f r e q u e n c y s i g n a l s .
A d j u s t a b l e i n p u t l e v e l c o n t r o l s w i t h g r o u n d l o o p i s o l a t i o n a c c e p t i n g a w i d e r a n g e o f i n p u t
s i g n a l s .
R e m o t e t u r n - o n w i t h " s o f t s t a r t " m u t i n g t o p r e v e n t t u r n o n " t h u m p " .
P u l s e - w i d t h m o d u l a t e d ( P W M ) M O S F E T p o w e r s u p p l y w i t h l o w A M R F I a n d p r o t e c t i o n
c i r c u i t s f o r o v e r h e a t i n g a n d s p e a k e r s h o r t s .
N i c k e l - p l a t e d i n p u t / o u t p u t c o n n e c t o r s a n d a n e x t e r n a l a u t o m o t i v e t y p e f u s e .
A l u m i n u m h e a t s i n k f o r e f f i c i e n t h e a t d i s s i p a t i o n .
L o w p r o f i l e , c o m p a c t s i z e f o r s p a c e l i m i t e d i n s t a l l s

TABLE OF CONTENTS

D e s c r i p t i o n
S p e c i f i c a t i o n s
P o w e r a n d S p e a k e r C o n n e c t i o n s
I n p u t C o n n e c t i o n s a n d A u d i o C o n t r o l
S e t t i n g t h e G a i n
S e t t i n g t h e C r o s s o v e r
S e t t i n g t h e B a s s B o o s t
T r o u b l e s h o o t i n g
S y s t e m D i a g r a m s

DESCRIPTION

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2

T h e f o l l o w i n g f i g u r e s s h o w t h e p o w e r / o u t p u t e n d p a n e l s f o r e a c h a m p l i f i e r a l o n g w i t h a k e y
t o s h o w t h e l a y o u t o f e a c h a m p .

A l l c o n n e c t i o n s a n d c o n t r o l s f o r t h e D 3 A m p l i f i e r s a r e l o c a t e d o n t h e e n d p a n e l s .
P l a t e d c o n n e c t i o n s e n s u r e e x c e l l e n t c o n d u c t i v i t y a n d g o o d l o o k s . E a s y t o u n d e r s t a n d c o n t r o l s
m a k e s e t t i n g t h e a m p l i f i e r u p c o r r e c t l y a n e a s y t a s k .

SPECIFICATIONS

4 Ohm Stereo Output
2 Ohm Stereo Output
4 Ohm Mono Output
Frequency Response
Signal-to-Noise Ratio
THD
Input Sensitivity
High Level Input Sensitivity
Power Supply Operating Range
Dimensions

POWER AND SPEAKER CONNECTIONS

Fig.1 D3 400.2

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6

1 . L e f t S p e a k e r O u t p u t
2 . R i g h t F r o n t S p e a k e r O u t p u t
3 . R e m o t e t u r n - o n l n p u t

4 . G r o u n d l n p u t
5 . B a t t e r y + 1 2 v l n p u t
6 . 4 0 A m p F u s e

Fig.2 D3 400.4

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2

3

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5

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1 . L e f t F r o n t S p e a k e r O u t p u t
2 . R i g h t F r o n t S p e a k e r O u t p u t
3 . R e m o t e T u r n - o n l n p u t
4 . G r o u n d l n p u t

5 . B a t t e r y + 1 2 v l n p u t
6 . 4 0 A m p F u s e
7 . L e f t R e a r S p e a k e r O u t p u t
8 . R i g h t R e a r t S p e a k e r O u t p u t

132w@1%THD
210w@1%THD
420w@1%THD
20Hz~20KHz
>100dB
.05%
250mV~2.5V
500mV~5V
10.8V~15.6V
2 1/4" H x 8 1/2" W x 12" L

57w@1%THD
88w@1%THD
182w@1%THD
20Hz~20KHz
>100dB
.05%
250mV~2.5V
500mV~5V
10.8V~15.6V
2 1/4" H x 8 1/2" W x 13" L

D3 400.2

D3 400.4

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Summary

Page 3 - INPUT CONNECTIONS AND AUDIO CONTROL; SETTING THE GAIN

INPUT CONNECTIONS AND AUDIO CONTROL T h e f o l l o w i n g f i g u r e s s h o w t h e i n p u t / a u d i o c o n t r o l e n d p a n e l s f o r e a c h a m p l i f i e r a l o n g w i t h a k e y t o s h o w t h e l a y o u t . 1 . R C A l n p u t j a c k s2 . G a i n C o n t r o l3 . B a s s B ...

Page 5 - SYSTEM DIAGRAMS; Bridged-Mono Subwoofer System

I f y o u h a v e a n y q u e s t i o n s o r n e e d a d d e d h e l p w i t h y o u r n e w D 3 A m p l i f i e r, p l e a s e f e e l f r e et o c a l l D i a m o n d T e c h n i c a l S u p p o r t a t 1 - 8 6 6 - 3 2 8 - 2 8 3 4 . SYSTEM DIAGRAMS Low HIGH FULL Fig.5 In this application the ampl...

Page 7 - Mixed-Mode Satellite and Subwoofer System; NOTE

Mixed-Mode Satellite and Subwoofer System Set X-Over Mode to FULL. Low HIGH FULL NOTE Chart values based on 4 ohm speakers. Fig.7 The amplifier can be configured for a mixed-mode operation. The table provides component values to create a 6dB per octave crossover at specified frequencies. Use compone...

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