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joemeek.com

Dual Studio Channel

TM

User Guide

twinQ

2

2

COMP

GR

GR

PRE

PRE

METER

METER

CLK

LINK

EXT

1

2

PEAK
FSD

PEAK
FSD

HF (12kHz)

HF (12kHz)

ON

ON

OUTPUT

OUTPUT

DUAL STUDIO

CHANNEL

RELEASE

RELEASE

GR

GR

OPTICAL COMPRESSOR

OPTICAL COMPRESSOR

PEAK

PEAK

PREAMP

PREAMP

HPF

HPF

GAIN

INSTR

INSTR

GAIN

COMPRESS

COMPRESS

SLOPE

SLOPE

ATTACK

ATTACK

O

O

/

/

LINE

LINE

IRON

IRON

PAD

PAD

48V

48V

MEEQUALIZER

MEEQUALIZER

6kHz

6kHz

LF

LF

MID

MID

ON

ON

3:1

10:1

1:1

5:1

2:1

3:1

10:1

1:1

5:1

2:1

-4

-20

+10

-15

-10

0

+4

+oo

dBu

-4

-20

+10

-15

-10

0

+4

+oo

dBu

0

+15

-15

-9

+9

+6

+3

-3

-6

dB

MAKE UP

GAIN

+8

+20

0

+3

+16

+12

+5

dB

MAKE UP

GAIN

+8

+20

0

+3

+16

+12

+5

dB

0

+15

-15

-9

+9

+6

+3

-3

-6

dB

0.3

3

2

0.1

1

sec

0.3

3

2

0.1

1

sec

10

5

50

100

1

ms

10

5

50

100

1

ms

0

+15

-15

-9

+9

+6

+3

-3

-6

dB

0

+15

-15

-9

+9

+6

+3

-3

-6

dB

0

+15

-15

-9

+9

+6

+3

-3

-6

+12

-12

dB

0

+15

-15

-9

+9

+6

+3

-3

-6

+12

-12

dB

LF FREQ

650

40

400

200

150

85

50

Hz

LF FREQ

650

40

400

200

150

85

50

Hz

MID FREQ

Hz

1k5

5k

300

2k

1k

3k

4k

MID FREQ

Hz

1k5

5k

300

2k

1k

3k

4k

GAIN

-6

-10

+10

-oo

-20

+4

0

-30

dB

-15

GAIN

-6

-10

+10

-oo

-20

+4

0

-30

dB

-15

M E E K

M E E K

J O E M E E K

twin

2

dB

60

50

18

20

30

25

40

45

35(0)

dB

60

50

18

20

30

25

40

45

35(0)

OO

-20

-10 -7 -5 -3

0

+3

VU

-20

-10 -7 -5 -3

0

+3

VU

Summary of Contents for twinQ2

Page 1: ... 20 10 15 10 0 4 oo dBu 4 20 10 15 10 0 4 oo dBu 0 15 15 9 9 6 3 3 6 dB MAKE UP GAIN 8 20 0 3 16 12 5 dB MAKE UP GAIN 8 20 0 3 16 12 5 dB 0 15 15 9 9 6 3 3 6 dB 0 3 3 2 0 1 1 sec 0 3 3 2 0 1 1 sec 10 5 50 100 1 ms 10 5 50 100 1 ms 0 15 15 9 9 6 3 3 6 dB 0 15 15 9 9 6 3 3 6 dB 0 15 15 9 9 6 3 3 6 12 12 dB 0 15 15 9 9 6 3 3 6 12 12 dB LF FREQ 650 40 400 200 150 85 50 Hz LF FREQ 650 40 400 200 150 85...

Page 2: ...e direction of and distributed exclusively by JOEMEEK is a registered trademark of PMI Audio Group PMI AUDIO GROUP USA 1845 W 169th Street Gardena CA 90247 toll free 877 563 6335 fax 310 323 0900 UK Unit 4 Minerva Court Woodland Industrial Estate Torquay TQ2 7BD tel 44 0 1803 612700 fax 44 0 1803 612009 email info joemeek com www joemeek com ...

Page 3: ... or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 Apparatus designed with C...

Page 4: ...uipment will be disposed of by local authorities collection systems Statement of RoHS Compliance PMI Audio Group manufactures complete electronic products which are covered by the European Union s Removal of Hazardous Substances directive 2002 95 EC RoHS This directive seeks to eliminate toxic substances from the manufacturing process such that when equipment is disposed of at the end of its life ...

Page 5: ...former In addition low noise Burr Brown OPA2134 audio amplifiers are used throughout the signal path headroom is increased and power consumption is reduced Since 2003 the Joemeek product range has been designed by renowned audio electronics engineerAllan Bradford With his background in physics and over 30 years experience with the design of instruments mixers processors and amplifiers Allan s uniq...

Page 6: ...hese two sockets at a time INSTRument input high impedance input Plugging in here overrides anything plugged into the Line or Mic inputs PREAMP GAIN sets the amount of audio amplification Too little gain and the sound will be too quiet too much and the signal could become distorted PEAK LED lights 6dB below clipping HPF high pass filter Mainly for use with microphones this helps remove stage rumbl...

Page 7: ...ital channel 2 Rear Panel at a Glance 7 x1 x2 44 1k 48k DIGITAL INTERFACE MIC INPUT MIC INPUT LINE INPUT LINE INPUT INSERT INSERT AES EBU OUTPUT OPTICAL OUTPUT SPDIF OUTPUT SAMPLE FREQUENCY WORD CLOCK IN 4dBu OUTPUT 4dBu OUTPUT OUTPUT OUTPUT CHANNEL 2 CHANNEL 1 CAUTION RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR ENSURE MAINS VOLTAGE AND FUSE RATINGS ARE CORRECT BEFORE CONNECTING MAINS POWER THIS APPAR...

Page 8: ... by using the PAD switch The 0 symbol next to the 35dB mark means unity gain or 0dB for a signal in the Line input For Line inputs the range of gain adjustment either side of this mark is 22dB 19dB For the INSTRument input the gain range is 0dB to 40dB The microphone input transformer is permanently assigned to the Mic Input The IRON switch optionally sends the Line input through the transformer t...

Page 9: ...ely than you ever could by hand The compressor is applied in several ways 1 Make Sounds Stand Out Because compressors make loud sounds quieter you can boost the volume of the quiet bits without the loud bits getting even louder That means you can raise the average level of an instrument or vocal in the mix which has the effect of lifting it and bringing it forwards This can actually improve vocals...

Page 10: ...SLOPE sets the average compression ratio applied to signals above threshold Lower settings anti clockwise have less effect Turning the control clockwise increases the ratio and makes the effects of compression more dramatic At maximum 10 1 the Joemeek compressor effectively becomes a limiter ATTACK sets how quickly the compressor reacts to peaks above threshold Turn this control anticlockwise for ...

Page 11: ...onics of instruments or make vocals more distinct Increasing or reducing the presence of an instrument or vocal in this way can appear to move the sound forwards or backwards in a mix The HF or treble section is centred at either 6kHz or 12kHz Boosting the 12kHz band gives a sense of air or sparkle to vocals instruments and mixes without boosting harsh upper mid frequencies Alternatively with bass...

Page 12: ...ze to an external word clock The digital audio outputs are compatible with most digital recorders as well as Digital Audio Workstations and mixers S PDIF format is available from the optical and RCA Phono connectors while the transformer coupled XLR connector provides a balanced AES3 compatible output Highly stable onboard master clocks give low jitter hi fi results Internal sample rates of 44 1kH...

Page 13: ...ts to read 3dB or 5dB on audio peaks You should now be able to hear the compressor working as the volume diminishes Use the MAKE UP GAIN control to restore the signal to its previous uncompressed level Alter the SLOPE control and listen to how the severity of the gain reduction changes Try changing the ATTACK control and listen for percussive sounds getting louder Reducing the Attack and Release t...

Page 14: ...AIN control turned up Is the OUTPUTGAIN control turned up Is something plugged in to the INSTRument jack 4 The compressor doesn t work Is the Compressor ON switch in LED on Is the COMPRESS control turned up enough Is the SLOPE control turned up enough Is there enough signal as set by the INPUT GAIN control to drive the compressor 5 Too little or too much compression Turn the INPUT GAIN control up ...

Page 15: ...ponse EQ Q 0 9 1 6 octaves LF Frequency 40Hz to 650Hz variable MID Frequency 300Hz to 5kHz variable HF Frequency 6kHz 12kHz switchable Nominal output levels 4dBu 10dBv Output impedance 100 ohm Output Level switch 12dB attenuation Noise Floor 85dBu typical with 40dB mic gain VU Meter Analogue movement Power supply 115V 230V ac mains 50 60Hz Power consumption 30W Mechanical 482W x 88H x 220D overall...

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