TECshow GREY II 8 Bedienungsanleitung

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| Tecshow Grey II 8

GREY II 8

Analog mixer - 8 Mic/line inputs +

1 stereo channel

USER MANUAL / MANUAL DE USUARIO

PLEASE READ THE INSTRUCTIONS CAREFULLY BEFORE USE

POR FAVOR LEA LAS INSTRUCCIÓNES ANTES DE USAR

P. 2

Tecshow Grey II 8 |

Grey II 8

Analog mixer - 8 Mic/line inputs + 1 stereo channel

Grey II 8 is the second generation of Grey mixers,

that features 8 Mic/line inputs with balanced XLR/

TRS connectors, 1 stereo input, 4-band equaliza-

tion per channel and a mp3 player with USB port.

The mixer also sports 1 auxiliary input/output, 16

types of adjustable delays, phantom power for all

its inputs and a general 7-band stereo equalization.

Grey II 8 stands out due to the quality of its low

noise preampliers that deliver exceptional sound

clarity with strong anti-interference ability, the

quality of its sliding faders and its solid construc-

tion, providing a quality alternative for small scale

applications.

Specications

General

• Mono Channels: 8

• Stereo Channels: 1

• Output connectors: 2 XLR & 2 TRS 1/4" Jacks

• Maximum levels: Mic: 30dBu / Line: 21dBu /

Stereo: 22dBu

• Input sensitivity: Mic: -60dB / Stereo:-40dB / FX

Send/Return:-20dB

• THD: <0.007%, +4 dBu @ 1KHz, unity gain

• Gain Control: -60dB~-20dB

• Input impedance:

- Mic: 4.7Ohm

- Line: >10KOhm

• Crosstalk: <-82dBu

• Earphone output power: 500-800mW

• Output impedance: < 120-Ohm

• Signal-to-Noise ratio: -80dB

• Frequency Response // Mic Input to main out-

put: +0,-1 dB, <10Hz to 80kHz, +0,-3 dB, <10Hz to

120kHz

• 2 x 7 graphic equalizer

• Max output level: 22dBu

• +48V phantom power

• 1 auxiliar output

• 16 built-in HQ delay eects

• MP3 player with USB port

Per channel

• Mic Input: Electronically balanced XLR

• Line Input: TRS 1/4" Jack

• Stereo inputs: 2 RCA

• Equalization - mono:

- HF: 12KHz ± 15dB

- HMF: 2.5KHz ± 15dB

- LMF: 400Hz ± 15dB

- LF: 80Hz ± 15dB

• Equalization - stereo:

- HF: 12KHz ± 15dB

- LF: 80Hz ± 15dB

• Low-noise preamplier with strong anti-jam-

ming power

• Mute and solo selector

• Low Cut (75Hz)

• Peak indicator

Physical

• Dimensions: 410x455x100 mm. / 16.1x17.9x3.9

in.

• Weight: 7.5 Kg. / 16.5 Lbs.

Electrical

• Input voltage range: AC100–240V, 50-60Hz

• Power consumption: 30W

1. OVERVIEW

English version

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| Tecshow Grey II 8

English version

2. INPUT CHANNEL SECTION

1. Balance Input

Electronically Balanced inputs acceptable a stand-

ard XLR male connector. +48V Phantom Power

available on each input Mic socket. And this switch

is on Rear Phantom Power.

2. Line Input

The unbalanced Mic input is provided for the use

of a unbalanced mic and is designed to accept a

unbalanced high impedance input signal (This use

for connection Deck, Turntable, Keyboard ect.).

3. Gain Control

Adjusts input sensitivity from -60dB to -20dB with

the -20dB pad switch in the out position, and -40dB

to 0dB when the -20 dB pad switch is pushed.

4. Low Cut

The LOW CUT switch, 75Hz at a rate of 18dB per

octave.

5/6/7.4-Band Fixed - Frequency EQ

The stereo channels (9-16) have a 4-bandxed -

frequency equalization: LOW shelving at 80Hz, LOW

MlD peaking at 400Hz, HIMID peaking at 2.5kl-lz,

and Hl shelvingat 12kHz.Each of these lters pro-

vides up to 15dB of boost or cut. As with the mono

channels the circuit is at (no boost or cut)at the

center detent positions.

8. Aux Send

Use this control to set the level of signal from ex-

ternal stereo source and the main signal control is

recontrolled by STEREO or MONO section.

9. EFF

Use this control when you want to get eect sound

by adjustment of input signal. When you dont use

external source, digital delay will be working which

installed inside.

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Tecshow Grey II 8 |

English version

10. Pan

The pan control sends comtinuosly variable

amounts of the post fader signal to either the le

or right main busses. In the center position equal

amounts of signal are sent to the le and right

busses.

11. Mute

All output from the channel are enabled when the

MUTE switch released and muted when the switch

is down.

12. Channel Fader

This is function to adjust the volume of signal con-

nection in to each channel and adjust the volume of

output, together with master fader. Normal oper-

ation is at the O mark, providing 4dB of gain above

that point, if required.

13. OL (peak level indicator)

A red LED indicates a signal level at the insert return

point, pre master fader, It illuminates at approxi-

mately 5dB below clipping.

14. Solo

This lovable switch allows you to hear signals

through your head phones or control room without

having to route them to the main mix. You dont

even have to have the channels fader turned up.

Folks use solo in live work to preview channels

before they are letin to the mix, or to just check out

what a particular channel is up to any time during a

session. You can solo as many channels at a time as

you like.

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| Tecshow Grey II 8

English version

3. MASTER SECTION

15. Stereo Graphic Equalizer

2X7-band equalizer is provided for tone control over

each frequency, and for precise high quality sound

by nal tone control.

16. Phantom Power Switch/LED

Depressing this switch applies 48VDC across all

microphone input channels connectors for remote

powering of condenser microphones. The LED will

be runed on when phantom power start working.

17. Outputs Level Indicator

Condition on the way of operation. Therefore, you

can see output condition thru this master level

indication.

18. Power LED

The POWER LED will be turned on when start

working.

19. FX Level

Using by this control, you can adjust signal level of

echo repeat & exterior eect.

20. Output Main Fader

This is a master fader for adjustment for volume of

le/right output. Unity gain is the top their travel.

21. 9/10 VOLUME

Using by this control, you can adjust signal level of

9/10(mp3).

22. HI(high)

You can adjust of 9/10 channel. See the "6.HIGH".

23. Low

You can adjust of 9/10 channel. See the "8.LOW".

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Tecshow Grey II 8 |

English version

24. Aux Return

This is used of adjusting volume of echo AUX sound.

When return AUX singal to used jack.

25. Aux send

When this button is up, Post signal work as send

signal. When this button is down, post signal work

as eect singal.

26. FX Send

This is used for adjusting volume of echo fx sound,

when sending echo sound to send jack in eect

panel.

27. Phone

This is a single volume control sends the level to the

headphones and main monitors.

28. Eects Control

This is a 24BIT digital eects processor control.

25 24 26 27 28

21 20 19

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| Tecshow Grey II 8

English version

4. MIXER OUTPUT SECTION

29. Stereo output

These line level outputs connect the main mix to

the outside world. Connect them to the balanced

inputs of a power amplier or powered speakers.

30. Tape input Jack

This jack is to be connected with cassette deck

when playing back.

31. Tape output Jack

This jack is to be connected with cassette deck

when recording the mixed output.

32 MP3 Player

This MP3 input and playback.

33. Stereo AUX Returns & Sends

This can be used to connect all kinds of eects form

outside.

34. Phones Jack

This is used for monitoring them master signal and

individually monitoring each channel with PFL, L/R.

29 30 31

33 34 32

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Tecshow Grey II 8 |

English version

5. POWER SECTION

6. FAULT FINDING GUIDE

35. Power Switch

Push marked, when you want to operate, The LED

(SEE NO.20) will be turned on when working.

36. Power Jack

This is out of connect the power suplly jack.

Repaining a sound mixing console requires special-

ist, but basic fault nding is whitin the scope of any

user if a few badic rules followed.

• Get to know the block Diagram of your console.

• Get to know what each component in the sys-

tem is supposed to do.

• Learn where to look for common trouble spots.

The Block diagram is a representative sketch o fall

the components of the console; showing how they

connect together and how the signal ows through

the system. Once you have become familiar with

the various component have gained a valuable

understand of the internal structure of the console

and tracking down the problem by elimination.

• Swap input connections to check that the

source is really present. Check both Mic and

Line inputs.

• Eliminate sections of the channel by using

the insert point to re-route the signal to other

inputs that are konbs to be working.

• Route channels to dierent outputs or to aux

sends to identify problems on the master sec-

tion.

• Compare a suspect channel with an adjacent

channel which had been set up identically. Use

PFL to monitor the signal in each section.

35 36

P. 9

| Tecshow Grey II 8

English version

7. CAUNTIONS ON INSTALLATION

Please take care of the following points for installa-

tions.

1. Install this product at place of good ventilation

and keep a interval over 30cm from the other

objects.

2. Install this product at rear side for non-touching

of somebody, if possible and avoid an installa-

tion of a aisle & the front side of the stage.

3. Cause an obstacle and an drop of product from

the vibration of speaker, if you put this product

one speaker for a long time.

4. Avoid strong or using product in condition of

excessive heat or cold, or in position where it is

likely to be subject to vibration, dust or mois-

ture.

5. Connect the plug into an outlet by the check

of power source "AC 220V" of the installation-

place.

6. Install the speaker more front side than the

used mic and for away from mic, if possible.

7. Insert a plug of cord closely into the speaker

jack at the speaker connection.

8. Clean this product by using so dry cloth &

poly-wax.

P. 1 0

Tecshow Grey II 8 |

English version

8. HOW TO OPERATE

7. INSTALLATION

1. Above all, it is necessary to conrm power

voltage.

2. Make sure this appliance power switch is o

when connecting the plug of power cord with

outlet.

3. Set easy controls to the positions stated belows

to avoid lord blasts, Loud blasts may couse

damage for your speaker system or you rears

when you are wearing headphone. Master fad-

ers L/R, Sub faders AUX, Eect fader and Each

channel faders.

• Gain control: Turn to the le completely.

• Hi, Mid, Low: Turn to the center position.

• Aux 1-2 & Eect control: Turn to the le com-

pletely.

• Pan control: Turn to the center position.

• Set other turn to the le completely.

4. Push power switch marked(1), then the LED will

be turned on when start working.

5. Set Master faders L-R to the position between

min & mid, aer working.

6. Set a certain Channel faders which you want

to use to the position between min and mid.

Aer that, Connect input section with external

source.

7. To make sound thur external sources, turn the

Gain control to the right.

8. Adjust tone controls in accordance with your

taste.

9. Adjust between Eect fader control towards

max from min & eect control to the right,

when you want to get echo eect a certain

channel, aer set a certain channel, adjust

delay control & repeat control, then you can get

various echo eect sound.

FIGURE 1

UNBALANCES 1/4" PLUG TIP: POSITIVE (hot+)

SLEEVE GROUND (shield)

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