Gemini PS-828X, Operation Manual

INTRODUCTION:

4

FEATURES:

CONNECTIONS:

1

6

7

CONTROLS:

8

10

11

12

Congratulations on your purchase of 

Gemini PS-828X

12.5” 4 channel

stereo mixer. This-state-of-the-art mixer features the latest technological
advances and is backed by a 1 year warranty, excluding the cross fader.
The cross fader is backed by a separate 90 day warranty.
Prior to use we suggest that you carefully read all the instructions.

- 12.5” 4 Stereo channel mixer
- 5 line, 2 Phono inputs 2 microphone jacks 1/4” (6.35mm)
- 3 band rotary line EQ with cut feature & rotary gain channel control
- Separate Cue Switch for each channel
- Rotary cue volume, CUE/PGM rotary knob
- VU meter on each channel
- Talkover switch
- Removable face plate for user replaceable Rail Glide cross fader

Ensure that the 

POWER SWITCH

is in the 

OFF

position prior to making any connections.

POWER SUPPLY

This unit comes with a 

POWER SUPPLY.

Plug in to the rear panel

POWER SUPPLY 

socket before plugging it in to a proper power

source.

The 

MASTER RCA OUTPUT

connects the mixer to your main amplifier using standard audio 
cables with 

RCA

-type connectors.

The 

RECORD RCA OUTPUT

The 

RECORD

output jacks can be used to connect the mixer to the

record input of your recording unit, thus enabling you to record your
mix with 

RCA

cables.

BALANCED OUTPUTS

The 

PS-828X

has balanced

XLR 

outputs controlled by the master

output rotary.

2

3

4

5

The 

PS-828X

has 

2 PHONO (PH/LN) and 5 LINE RCA INPUTS

each channel has two corresponding lines and can be chosen via the
channel line switches (see 12)
When switched to the PH position you may use any Turntable with a
magnetic cartridge, remember to connect your ground wire (see

GROUNDING SCREW

) or there may be a system hum.

And when the switch is in the 

LN

position you may connect any line

level device as described before (Mp3, CD, Tape etc).

NOTE: CONNECTING A LINE LEVEL DEVICE TO A PH INPUT MAY CAUSE
THAT MIXER CHANNEL TO OVERLOAD AND OR DISTORT

.

Now you may plug the 

RCA’s

from your playable medium into each

input to be connected to their respective 

CHANNELS

(CH).

GROUNDING SCREW

When using (a) turntable(s), you will need to ground the 

RCA

cable(s) by screwing in the grounding fork(s) to the 

GROUNDING

SCREW located on the rear panel of the 

PS-828X

mixer.

Attach a 

PHONO

(Turntable) ground line to the silver 

GROUND

THUMB SCREW

that is situated at the bottom middle of the rear

panel.

MIC (MICROPHONE) INPUT

The main 

MIC

or Microphone input is located in middle of the back

panel of the 

PS-828X

and will accept a standard 1/4” connector.

There is also an AUX MIC input located at the top left hand corner of
the front panel. You can control the gain of both together and even
set the low’s and the high’s for the

MIC 

(See 

CONTROLS

).

HEADPHONE OUTPUT

The 

HEADPHONE OUTPUT

located at the front bottom right hand

corner of the 

PS-828X

will accept any headphone with a standard

1/4” connector and or adapter and will allow you to 

CUE

your music

program before you play it, you can adjust the volume and 

PGM

mix

of the 

HEADPHONE

(see 

CONTROLS

).

Then when all of your connections have been made turn on the
mixer by pressing the 

POWER SWITCH

.

MICROPHONE VOLUME

Allows you to adjust the volume of the microphone signal.

MICROPHONE EQ 

and 

TALKOVER SWITCH

The 

MICROPHONE EQ 

Let’s you to control the low frequency and

the high frequency of the microphone signal. The 

TALKOVER

switch

allows you to quickly attenuate the main output so the microphone
can be heard over the main music program.

MIXER CHANNEL
(NOTE: ALL 4 CHANNELS HAVE THE SAME FEATURES)

CHANNEL INPUT SELECTOR

The 

CHANNEL INPUT SELECTOR

switches allow you to choose

which input will be controlled by that channels corresponding
volume 

FADER

.

For example on 

CHANNEL

(1) the 

INPUT SELECTOR

allows you to

choose between 

PHONO 1 

and 

LINE 1

, on 

CHANNEL

(2) the

INPUT SELECTOR SWITCH 

will let you choose between 

PHONO 2

and 

LINE 2

and on 

CHANNEL

(3) you can choose between 

LINE 3

and the 

LINE 4

input, and on 

CHANNEL

(4) you can choose 

between 

LINE 5

and 

MIC 2

.

9

PS-828X

PRECAUTIONS:

1. All instructions should be read before using this equipment.

2. To reduce the risk of electrical shock, do not open the unit.
Please refer all servicing needs to a 

Gemini

-qualified service

technician.

3. Do not expose this unit to direct sunlight or a heat source such
as a radiator or stove.

4. This unit should be cleaned only with a damp cloth. Avoid sol-
vents or other cleaning detergents.

5. When moving this equipment it should be placed in its original
carton and packaging. This will reduce the risk of damage during
transit.

6. DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE

.

7. DO NOT USE SPRAY CLEANERS OR LUBRICANTS ON
CONTROLS, SURFACES OR SWITCHES.

IN THE USA ~ IF YOU EXPERIENCE PROBLEMS WITH THIS UNIT CALL GEMINI CUSTOMER SERVICE AT:    

1 (732) 346-0061. DO NOT ATTEMPT TO RETURN THIS EQUIPMENT  TO YOUR DEALER.