background image

8

.

Clip

 

Circuit

 

and

 

Indicator

 

  

This

 

special

 

circuitry

 

protects

 

the

 

amplifier

 

and

 

speaker

 

system

 

from

 

  

being

 

damaged

 

by

 

overdriving

 

power

 

levels

Indicator

 

lights

 

remind

 

  

the

 

user

 

to

 

reduce

 

the

 

volume

 

when

 

amplifier

 

output

 

is

 

excessive

.

9

.

Power

 

Meter

   Indicate

 

the

 

output

 

signal

 

level

.

10

.

BYPASS

/

EQ

 

Switch

     Sets

 

the

 

switch

 

to

 

the

 

EQ

 

position

you

 

can

 

connect

 

an

 

equalizer

.

   

Sets

 

the

 

switch

 

to

 

the

 

BYPASS

 

position

the

 

equalizer

 

has

 

no

 

effect

 

   

on

 

your

 

system’s

 

sound

.

11

.

EQ

 

IN

/

OUT

 

RCA

 

Jacks

    To

 

connect

 

an

 

equalizer

 

to

 

these

 

jacks

you

 

can

 

have

 

the

 

effect

 

on

 

  

your

 

system’s

 

sound

.

12

.

AUX/PHONO

 

RCA

 

Inputs

   To

 

connect

 

any

 

high

-

level

 

sound

 

source

such

 

as

 

a

 

CD

 

player

tape

 

  

deck

or

 

tuner

 

to

 

the

 

amplifier’s

 

AUX/PHONO

 

jacks

.

14

.

PHONO

/

MIC4

 

Switch

    If

 

you

 

connect

 

a

 

low

 

level

 

audio

 

input

 

source

 

to

 

the

 

PHONO

 

jacks

,

set

 

  

/

MIC4

 

to

 

the

 

 

position

.

  

If

 

you

 

set

 

/

MIC4

 

to

 

the

 

MIC4

 

position

you

 

can

 

use

 

MIC4

.

15

.

Four

 

Microphone

 

Inputs

   Allows

 

you

 

connect

 

up

 

to

 

four

 

Microphones

 

by

 

balanced

 

XLR

 

type

 

  

sockets

 

or

 

unbalanced

 

6

.

35mm

 

type

 

sockets

16

.

Speaker

 

Terminals

   Connect

 

your

 

speaker

 

system

 

to

 

these

 

terminals

You

 

can

 

connect

 

  

one

 

or

 

more

 

4ohm

8ohm

16ohm

 

speakers

 

to

 

the

 

amplifier

  

with

 

or

 

without

 

transformers

To

 

ensure

 

equal

 

volume

 

from

 

each

 

  

speaker

all

 

the

 

connected

 

speakers

 

should

 

have

 

the

 

same

 

impedance

 

  

rating

.

17

.

GND

 

Screw

 

Terminal

13.PHONO Input Jacks

    To connect a low level audio input source (such as a magnetic cartridge 
    turntable) to the amplifier’s L and R PHONO jacks.
    To avoid a low frequency hum, connect your turntable’s ground wire to the 
    amplifier’s GND screws. 

PHONO

PHONO

PHONO

3

Summary of Contents for Gold Series PA-305

Page 1: ...USER MANUAL 19 Rack Mount 300 Watt Power Amplifier Mixer w 70V Output Mic Talkover...

Page 2: ...service from this product 4 Installation Guidelines 4 Connecting a CD or tape player or tuner 4 Connecting a Turntable 5 Connecting an equalizer or signal processor 5 Connecting microphones 6 Speaker...

Page 3: ...ls Control the sound level for each of the audio input sources 4 Feedback Filter Control the audio frequency 5 Master Volume Lets you adjust the overall sound level 6 3 5mm AUX Input Jack Lets you eas...

Page 4: ...lifier s AUX PHONO jacks 14 PHONO MIC4 Switch If you connect a low level audio input source to the PHONO jacks set MIC4 to the position If you set MIC4 to the MIC4 position you can use MIC4 15 Four Mi...

Page 5: ...g Compact Disc CD Player Cassette Reel to Reel or other tape player Radio Tuner Microphones up to 4 simultaneously Equalizer Signal Processor Connecting front AUX jack Permit you to connect one AUX MP...

Page 6: ...nnector to the amplifier s OUT Connecting microphone The MIC IN jacks permit you to connect up to 4 low impedance microphones The microphones can be used with either a 6 35mm plug or a 3 pin XLR type...

Page 7: ...pedance within the 4 to 16 Ohm range can be achieved by combing series and parallel speaker connections Please see the diagram which follow which explain how to accomplish this Finally always use the...

Page 8: ...he LEFT SPEAKER to the RIGHT SPEAKER 3 Connect the RIGHT SPEAKER to the amplifier s 4 Ohm 8 Ohm or 16 Ohm terminal depending on the TOTAL IMPEDANCE of the two speakers If each speaker has an impedance...

Page 9: ...hms the total speaker impedance in this parallel configuration is 4 Ohms System 4 Four speakers in series parallel combination 1 Group the four speakers in two pairs 2 Connect one pair of speakers in...

Page 10: ...in parallel hookup Simply be sure you have properly calculated the total impedance and attach the speaker circuit wire to the proper amp terminal For example if you use two pairs of 8 ohm speakers in...

Page 11: ...rimary side to the amplifier COMMON terminal 3 Connect the speaker s terminal to the transformer s secondary tap that matches the speakers total impedance Located on the opposite side of the transform...

Page 12: ...fort may still be actually damaging your hearing Connecting to standard AC power After making all other connections set the POWER switch to OFF position Then connect the power cord to a standard AC ou...

Page 13: ...system from being damaged from overdriving power Under normal conditions the amplifier s clip indicator will flicker as the output power momentarily exceeds the level as set by the output level gain...

Page 14: ...ry If it gets wet wipe immediately Use the amplifier only in well ventilated installation Handle the amplifier gently and carefully do not drop Keep the amplifier away from dust and dirt Wipe occasion...

Page 15: ...watt 3 dB MIC PHONE Jack 60 Hz 20KHz MIC XLR Jack 75 Hz 20KHz AUX 60 Hz 20KHz PHONO RIAA 100 Hz 10 kHz 12 dB 12 5dB Notch filter Effect RANGE 300 Hz 3KHz DEPTH 12dB Hum and Noise with 30 kHz Low Pass...

Page 16: ......

Reviews: