Choice Select ST Series Quick start guide

Brand: Choice Select

Model: ST Series

Type: Quick start guide

Please use the original packaging if the device is to be transported.

Never remove the serial barcode from the device as this would make the guarantee void.

Please consider that unauthorized modifications on the speaker-system are forbidden due to safety reasons!

If this device will be operated in any way different to the one described in this manual, the product may suffer

damages and the guarantee becomes void. Furthermore, any other operation may lead to dangers like shortcircuit,

burns, electric shock, hearing loss etc.

Features

Front panel

1 Mic-connection on the front panel

with Priority-function

ST series with LCD player

4-16 Ohms output for connecting a passive

speaker-system for monitor, maximal output

power less than third of the rating power.

70 V, 100 V PA-outputs

1 Line-output

Fan-cooled

3 Mic and 3 Aux inputs

(1) Player or voice recorder module

(0) POWER SWITCH(turn on/off)

ST series with LCD_player, SM with LED_player, SR with voice recorder, and SE series without this module.

(2) MASTER LEVEL CONTROL

A rotated knob to adjusts the level of the master output.

(4) TREBLE-CONTROL

A rotated knob to increase or lower the HIs of the input signal.

(3) BASS-CONTROL

A rotated knob to increase or lower the LOWs of the input signal.

(5) AUX 1-3-CONTROL

3 rotated knobs to adjust the level of the 3 AUX input signals.

The level of player or voice recorder are to be controlled by the knob of AUX1.

(6) MIC 1-3-CONTROL

3 rotated knob to adjust the level of the 3 MIC input signals.

2 3 4 5 6 7 8 9

10 11 12

7-fold level indicator

Treble and bass control

Screw terminals of 6 zone outputs

Master-control

Protection-circuits: over current,

short circuit, turn-on delay

19"-dimensions for rack-mounting

a. Please read the entire attached documents carefully before using the device, and keep them for your

reference.

b. The power supply must match the demand of the device with reliable ground wire.

c. All covering signal should be complied with the demand of the device.

d. Make sure to shut off before connecting

e. The device should be located far away from high temperature, moisture and powerful electromagnetic field.

f. Clean the device only with a dry soft cloth.

NOTES

ST Series PA Mixing Amplifier:

ST2060 - CHO3086

ST2120 - CHO3087

ST2250 - CHO3088

(7) MIC1 SOCKET

To connect microphones with jack-plug, a priority microphones.

(8) CHIME-BUTTON

(9) SIGNAL LED DISPLAY

(11) FAULT LED DISPLAY

(10) POWER LED DISPLAY

The display shows the master output signal.

The display shows load-short, zero-offset over or over-heat .

For -BC series, they are 6 rotatable band switches, to adjust 6 zone volumes in 5 steps.

For -B series, they are 6 pressed switches, to control 6 zones to be on or off.

(12) 6 ZONE KNOB

Rear panel

(13) MUTE-CONTROL

For signal attenuation between 0 and -30 dB.

(14) MIC 2-3 INPUT SOCKETS

Connect your microphone with 6.35mm jack-plug here. The signals can be controlled via the controls

MIC 2 and MIC 3.

(15) AUX 1-3 INPUT SOCKETS

Connect your AUX-sources here. The signals can be controlled via the controls AUX 1 to AUX 3.

(16) AUX OUT

Output sockets for connecting further mixing amplifiers.

(17) PA OUTPUT SOCKETS

Output sockets for connecting your PA-speakers.

(18) 4-16 . OUTPUT SOCKET

Output socket for connecting your passive speaker-system.

(19) COM OUTPUT SOCKET

(23) SCREW TERMINAL for grounding

Common pole for PA or passive connection.

(20) 6 ZONE OUTPUT CONNECTORS

For connecting zones CH-1 to CH-6

(21) FUSE HOLDER

Only replace the fuse when the device is disconnected from mains. Only use fuses of the same

rating and Power.

(22)AC-Connection

FUSE

230V~50Hz

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN!

TECHNICAL SPECIFICATIONS

Power supply

Output power

Output type

Output current

at 70 V

Output current

at 100 V

Mic input

Line input

Frequency range

Distortion

Signal

/Noise

ratio:

Aux

Mic

Carton dimensions

Weight

MODEL

FUSE

230 V AC,

50 Hz

250 W RMS

70 V, 100 V

or 4-16¦¸

3.6 A

2.5 A

5 mV, 600 Ohms

300 mV, 10 kOhms

80 Hz - 16 kHz

0.5 % (1 kHz) 0.5

85 dB

75 dB

550X455X180mm

30.87 lbs/14 kg

T5A/250V

ST2120/B/BC

ST2060/B/BC

ST2250/B/BC

230 V AC,

50 Hz

230 V AC,

50 Hz

120W RMS60W RMS

70 V, 100 V

or 4-16¦¸

70 V, 100 V

or 4-16¦¸

1.4A

0.9A

1.0A0.6A

5 mV, 600 Ohms

300 mV, 10 kOhms

80 Hz - 16 kHz 80 Hz - 16 kHz

0.5 % (1 kHz)0.5 % (1 kHz)

85 dB85 dB

75 dB75 dB

24.26 lbs/11kg20.39 lbs/9.25kg

550X425X180mm

535X375X175mm

21.06”x14.76”x6.89”

21.65”x16.73”x7.087”

T2A/250V

CHO3086

CHO3087

CHO3088

Choice Select ST Series Quick start guide

Brand: Choice Select

Model: ST Series

Type: Quick start guide

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Choice Select ST Series Quick start guide

Choice Select ST Series Quick start guide

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