STEREO

 

 

STEREO SECTIONS

 

 

 

 

 

 

1.

 

STEREO INPUTS

 

Each Stereo Inp u t section com p rises a p air of sim ilar inp u ts.

 

The inp u ts are electronically balanced and sep arate jacks are

 

p rovid ed for the Left and Right sou rce signals. A m ono signal

 

m ay be p lu gged into the u p p er socket only for each p air to be

 

fed equ ally to left and right bu sses.

 

 

 

2.

 

- 10 SWITC H

 

The inp u t jacks are norm ally set to m atch +4d Bu nom inal

 

signal levels. Pressing the -10sw itch alters the inp u t

 

sensitivity to m atch the -10d BV signals from m ost H i-Fi

 

system s or sem i-p rofessional tap e m achines allow ing the

 

inp u ts to be qu ickly sw itched to m atch, for instance, a cassette

 

p layer for p re-show m u sic.

 

 

 

3.

 

EQ UALISATIO N

 

Each Stereo Inp u t is p rovid ed w ith a 2-band shelving EQ

 

section giving ±15d B boost & cu t at fixed frequ encies of 60H z

and 12kH z.

Frequency Response Curves of the Equa liser

dB

LF Section

 

 

 

 

20.0

 

 

 

 

 

15.0

 

 

 

 

 

10.0

 

 

 

 

 

5.0

 

 

 

 

 

0.0

 

 

 

 

 

-5.0

 

 

 

 

 

-10.0

 

 

 

 

 

-15.0

 

 

 

 

 

-20.0

 

 

 

 

 

20

100

1k

10k

20k

 

 

 

Frequency/Hz

 

 

dB

HF Section

 

 

 

 

20.0

 

 

 

 

 

15.0

 

 

 

 

 

10.0

 

 

 

 

 

5.0

 

 

 

 

 

0.0

 

 

 

 

 

-5.0

 

 

 

 

 

-10.0

 

 

 

 

 

-15.0

 

 

 

 

 

-20.0

 

 

 

 

 

20

100

1k

10k

20k

 

 

 

Frequency/Hz

 

 

Pa ge 15

Page 17
Image 17
Spirit LIVE 4 manual Stereo Sections, Stereo Inputs, EQ Ualisatio N