Xtant P500 User Manual

Xtant Receivers and Amplifiers

Advertising
background image

P A R A M E T R I C E Q U A L I Z A T I O N

T h e P 5 0 0 i s a 5 - b a n d p a r a m e t r i c e q u a l i z e r . I t s d e s i g n

a l l o w s t h e u s e r t o v a r y c e n t e r f r e q u e n c y , s e l e c t a “ Q ” o f 1 -
1 0 , a n d s e l e c t u p t o 1 8 d B o f b o o s t o r c u t .

Center frequencies range from 20 Hz to 20 KHz. The on-

b o a r d f r e q u e n c y j u m p e r d i v i d e s t h e f r e q u e n c y r a n g e i n t o t h r e e
bands: 20 Hz to 200 Hz, 200 Hz to 2 KHz, and 2 KHz to 20 KHz.
Sim ply pla c e the ju mp er in one of t he t hr e e pos it ions w hi c h c or-
r e s p o n d s w i t h t h e f r e q u e n c y t o b e a d j u s t e d . T h e s p e c i f i c f r e-
q u e n c y i s t h e n s e l e c t e d v i a t h e “ f r e q u e n c y ” p o t e n t i o m e t e r

“Q” determines the range of frequencies affected on either

s i d e o f t h e c e n t e r f r e q u e n c y .

Q” is equal to the center fre-

q u e n c y d i v i d e d b y t h e b a n d w i d t h . A s “ Q ” g o e s u p , b a n d w i d t h
d e c r e a s e s . T h e P 5 0 0 ’ s “ Q ” a d j u s t m e n t r a n g e s f r o m a n a r r o w
b a n d w i d t h o f 1 0 t o a v e r y b r o a d b a n d w i d t h o f 1 .

Boost / Cut on the P500 is +/–18 dB. The rotary poten-

t i o m e t e r p r o v i d e s c o n t i n u o u s l y v a r i a b l e a d j u s t m e n t .

P 5 0 0 T U N I N G S E Q U E N C E

T h e P 5 0 0 i s d e s i g n e d t o b e “ s e t - u p ” o r “ t u n e d ” w i t h t h e a i d

of a R e a l T i m e S p e c t r u m A n a l y z e r m e a s u r i n g a p i n k n o i s e s i g-
n a l g e n e r a t e d b y t h e m o b i l e a u d i o s y s t e m . T h e a n a l y z e r p r o-
v i d e s v i s u a l f e e d b a c k w h e n f o l l o w i n g t h e s t e p s l i s t e d b e l o w .

R T A t h e s y s t e m a n d d e t e r m i n e p o i n t s o f a d j u s t m e n t . T u r n

t h e s y s t e m o f f a n d p l a c e e a c h o f t h e f r e q u e n c y r a n g e j u m p e r s
i n t o t h e i r c o r r e s p o n d i n g “ f r e q u e n c y r a n g e ” p o s i t i o n s .

installer’s reference

x t a n t t e c h n o l o g i e s

T

H I S D O C U M E N T H A S B E E N C R A F T E D T O M A K E I N S T A L L A

-

T I O N

,

SYSTEM

D E S I G N

A N D

TROUBLE

-

SHOOTING

,

A

Q U I C K

A N D E A S Y PROCESS

. T

H E C H A R T S P R O V I D E D

,

O F F E R A S I M

-

P L E M E T H O D O F D O C U M E N T A T I O N

.

I T I S I M P O R T A N T T H A T Y O U R E T A I N T H I S L O G
F O R Y O U R R E C O R D S . O

N

P A G E

8

O F T H E

O

W N E R

S

M

A N U A L

,

Y O U W I L L F I N D T H E

O

W N E R

S

R

EFERENCE

L

OG

.

O

N C E Y O U H A V E N O T A T E D T H E F I N A L SETTINGS F O R T H I S

P 5 0 0 ,

T R A N S F E R

T H O S E

SETTINGS

T O

T H E

O

W N E R

S

R

EFERENCE

L

OG

. I

N T H E F U T U R E

,

A N Y SYSTEM E X P A N S I O N

A N D

/

O R PROBLEMS M A Y B E REFERENCED T O T H I S LOG

.

I N S T A L L A T I O N S E Q U E N C E

REMOVE

P500

COVER

:

Loosen allen head screws and lift-off cover. Do not remove
p r o t e c t i v e c o v e r i n g o n s t a i n l e s s s t e e l l i d u n t i l i n s t a l l a-
t i o n i s c o m p l e t e .

TEMPORARILY MOUNT

P500:

T h e P 5 0 0 i s d e s i g n e d t o b e a n c h o r e d t h r o u g h t h e f o u r ( 4 )
h o l e s l o c a t e d o n t h e c i r c u i t b o a r d / b a s e a s s e m b l y .

MARK WIRES FOR TERMINATION AND REMOVE

P500:

Determine wire lengths for Power, Ground & Remote and
m a r k f o r c u t t i n g / t e r m i n a t i o n . R e m o v e P 5 0 0 b e f o r e c u t-
t i n g a n d t e r m i n a t i n g a l l w i r e s . C A U T I O N : s t r i p p i n g
w i r e s o v e r t h e c i r c u i t b o a r d m a y c a u s e p r o d u c t f a i l u r e .

INPUT SENSITIVITY

:

M a k e i n i t i a l a d j u s t m e n t t o i n p u t g a i n a t y o u r w o r k b e n c h .
R e f e r t o t h e s e c t i o n “ I n p u t S e n s i t i v i t y ” o n t h e r e v e r s e
s i d e .

B

ALANCED

L

INE

:

M a k e i n i t i a l a d j u s t m e n t a t y o u r w o r k b e n c h . R e f e r t o t h e
s e c t i o n “ B a l a n c e d L i n e ” o n t h e r e v e r s e s i d e

MOUNT THE

P500

AND MAKE ALL CONNECTIONS

:

R e - i n s t a l l t h e P 5 0 0 a n d m a k e a l l w i r e c o n n e c t i o n s . i . e .
Power, Ground, Remote and RCA i n p u t / o u t p u t s .

DOUBLE CHECK ALL CONNECTIONS

!

TURN ON

P500:

C h e c k r e d LED, i t s h o u l d b e o n .

MAKE ALL EQUALIZATION ADJUSTMENTS

:

R e f e r t o “ P 5 0 0 T u n i n g S e q u e n c e ” i n t h i s “ R e f e r e n c e ”

ADJUST NOISE GATE THRESHOLD

(

IF USED

):

Refer to “Activating the Noise Gate” on the reverse side

AFTER FINE TUNING THE SYSTEM

:

Remove protective covering from P500 and clean. A t t a c h
cover to base.

I N S T A L L E R

S

R E F E R E N C E

L O G

D

A T E INSTALLED

:

O

W N E R

S N A M E

:

P

HONE

:

A

D D R E S S

:

C

I T Y

/ S

T A T E

:

Z

I P

:

V

E H I C L E

:

Y

E A R

:

X

T A N T

P 5 0 0

S E R I A L

#

MODES OF OPERATION:

(

C I R C L E S E T T I N G

)

I N P U T M O D E

:

4

C H A N N E L

2

C H A N N E L

B A L A N C E D L I N E

:

E N A B L E

D I S A B L E

N O I S E G A T E

:

O N

D E F E A T

P500 ADJUSTMENTS

(

DRAW POSITION O F CONTROL

&

CIRCLE FREQ

.

RANGE SELECTED

)

system components

S O U R C E

S E R I A L

#

PROCESSOR

(

S

)

S E R I A L

#

S E R I A L

#

A M P L I F I E R

(

S

)

S E R I A L

#

S E R I A L

#

S E R I A L

#

x t a n t t e c h n o l o g i e s

7 6 7 6 S

O U T H

4 6

T H

S

TREET

P

HOENIX

, A

RIZONA

8 5 0 4 0 U S A

6 0 2 4 3 1 8 6 8 6

CENTER FREQUENCY

RANGE OF BOOST

/

CUT

LOW

“Q”:

A WIDER RANGE OF FRE

-

QUENCIES

(

ON EITHER SIDE OF THE

CENTER FREQUENCY

)

ARE AFFECT

-

ED BY EQUALIZATION

.

HIGH

“Q”:

A NARROW RANGE OF

FREQUENCIES

(

ON EITHER SIDE OF

THE CENTER FREQUENCY

)

ARE

AFFECTED BY EQUALIZATION

.

P e r f o r m t h e f o l l o w i n g s t e p s p e r b a n d:

W i t h t h e s y s t e m p l a y i n g p i n k n o i s e , t u r n o n t h e
RTA and adjust pink noise SPL to 85 – 90 dB.

Turn the boost/cut control to +18 dB (full clockwise
rotation). This will show the present center frequen-
cy and “Q” settings on the analyzer.

Rotate frequency control to the frequency you wish to
a d j u s t .

Adjust “Q” setting to match the width of the dip or
peak you are addressing.

Finally, adjust the gain control to achieve the desired
r es pon se c ur ve .

Freq. Range

20 – 200 Hz
200 – 2 KHz
2K – 20 KHz

Freq. Range

20 – 200 Hz
200 – 2 KHz
2K – 20 KHz

Freq. Range

20 – 200 Hz
200 – 2 KHz
2K – 20 KHz

Freq. Range

20 – 200 Hz
200 – 2 KHz
2K – 20 KHz

Freq. Range

20 – 200 Hz
200 – 2 KHz
2K – 20 KHz

front “a”

front “b”

front “c”

rear “a”

rear “b”

+/– 18 dB

Q ADJUST

FREQ.

+/– 18 dB

Q ADJUST

FREQ.

+/– 18 dB

Q ADJUST

FREQ.

+/– 18 dB

Q ADJUST

FREQ.

+/– 18 dB

Q ADJUST

FREQ.

Advertising