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SIX-PACK” OPERATORS’ MANUAL

TECHNICAL SPECIFICATIONS

(Measurements taken at +4dBu operating level where applicable)

INPUT IMPEDANCE

20K

MAXIMUM INPUT LEVEL

+20dBu

OUTPUT IMPEDANCE

(bal), 100

(unbal)

MAXIMUM OUTPUT LEVEL

+20dBu

BANDWIDTH

<10Hz to 22KHz -1dB

NOISE AT UNITY GAIN

with Expander Off

Wideband

22Hz - 22KHz

CCIR ARM

IEC A

Q-Pk CCIR

-90dB

-95dB

-97dB

-84dB

RMS

-88dB

-93dB

-95dB

-82dB

DISTORTION

100Hz

1KHz

10KHz

Unity Gain, +4dBu input

< 0.03%

< 0.02%

<0.03%

+14dBu input, 10dB Gain Red.

< 0.1%

POWER REQUIREMENTS

115Volt or 230Volt at 50-60Hz, 9 Watts

FUSE RATING

32mA for 230Volt,

63mA for 115Volt

CONFORMING TO BS EN 60127-2:1991 SHEET III

FUSE TYPE

20mm x 5mm, Class 3 Slo-Blo, 250Volt working

CASE SIZE

482mm (w) x 44mm (h) x 200mm (d)

WEIGHT

(incl packaging)

3.2 Kgs

Summary of Contents for SIX-PACK

Page 1: ...Y CONSIDERATIONS page 1 INTRODUCTION page 2 INSTALLATION page 2 POWER CONNECTION Page 2 AUDIO CONNECTIONS Page 3 CONTROL DESCRIPTIONS page 5 OPERATION page 8 IF A FAULT DEVELOPS page 10 CONTACTING DRAWMER page 10 TECHNICAL SPECIFICATION page 11 BLOCK DIAGRAM page 12 ...

Page 2: ...one number copy of the original sales invoice and a detailed description of the problem Drawmer will not accept responsibility for loss or damage during transit This warranty is void if the product has been damaged by misuse modification or unauthorised repair THIS WARRANTY IS IN LIEU OF ALL WARRANTIES WHETHER ORAL OR WRITTEN EXPRESSED IMPLIED OR STATUTORY DRAWMER MAKES NO OTHER WARRANTY EITHER EX...

Page 3: ...127 2 1991 SHEET III 250 VOLT WORKING TIME DELAY TYPE AND BODY SIZE OF 20mm x 5mm THE MAINS INPUT FUSE MUST BE RATED AT T500mA CAUTION MAINS CABLE DO NOT ATTEMPT TO CHANGE OR TAMPER WITH THE SUPPLIED MAINS CABLE CAUTION SERVICING DO NOT PERFORM ANY SERVICING REFER ALL SERVICING TO QUALIFIED SERVICE PERSONNEL WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN ...

Page 4: ...t when the power is off Powered by a universal switch mode power supply the SixPack operates from mains voltages between 85 250v eliminating the need to make any changes when touring and allowing the unit to remain fully operational during large fluctuations in the mains power supply INSTALLATION The Six Pack is designed for standard 19 rack mounting and occupies 3U of rack space Avoid mounting th...

Page 5: ...evels of disturbance such as found close to a TV or radio transmitter we advise that the unit is operated in a balanced configuration The screens of the signal cables should be connected to the chassis connection on the XLR connector as opposed to connecting to pin1 The Six Pack conforms to the EMC standards Ground Loops If ground loop problems are encountered never disconnect the mains earth but ...

Page 6: ... SIX PACK OPERATORS MANUAL 4 Connecting the Six Pack to a 5 1 Surround Mixing Desk ...

Page 7: ... be selected depending on the material being processed Percussive material with little or no reverb is generally treated using a faster release setting whereas material with slow decays or a significant amount of added reverberation will usually respond better to a longer release setting COMPRESSOR Threshold Determines the input level above which gain reduction will be applied and may be set in th...

Page 8: ...l processing for this channel where the input socket is routed directly to the output socket This feature enables the unit to pass audio even with no power applied to the Six Pack Normally the switch is used to compare the raw unprocessed signal verses with any expansion compression and limiting of the audio input When in bypass the level metre shows the unmodified input signal coming into that pa...

Page 9: ...left Therefore pressing link on channel 2 will link channels 1 and 2 with channel 1 being the master channel In addition pressing link on channels 2 and 3 will link channels 1 2 and 3 with channel 1 being the master All channels show Master or Linked status Channel 1 is always a master channel The following diagram shows the more commonly used linking configurations ...

Page 10: ...ng Compressing during a mix does increase the subjective level of tape and other background noises during pauses and quiet passages but unless the noise contamination is serious the expander section will be able to attenuate it to a very high degree without compromising the wanted signal At this point the Auto control may be switched off if it is desired to set the attack and release times manuall...

Page 11: ...he Peak Limiter Level control so that the limiter LED only lights briefly on extreme signal peaks Alternatively set the Peak limiter Level to the desired value and then adjust the compressor Gain control to ensure minimum limiter activity If required the expander may be used on its own with the compressor and limiter functions disabled The Peak limiter has no sep Level control fully clockwise will...

Page 12: ...hone number copy of the original sales invoice and a detailed description of the problem Authorised returns should be prepaid and must be insured All Drawmer products are packaged in specially designed containers for protection If the unit is to be returned the original container must b the equipment should be packaged in substantial shock proof material capable of withstanding the handling for th...

Page 13: ...xpander Off Wideband 22Hz 22KHz CCIR ARM IEC A Q Pk CCIR AV 90dB 95dB 95dB 97dB 84dB RMS 88dB 93dB 93dB 95dB 82dB DISTORTION 100Hz 1KHz 10KHz Unity Gain 4dBu input 0 03 0 02 0 03 14dBu input 10dB Gain Red 0 1 0 1 0 1 POWER REQUIREMENTS 115Volt or 230Volt at 50 60Hz 9 Watts FUSE RATING 32mA for 230Volt 63mA for 115Volt CONFORMING TO BS EN 60127 2 1991 SHEET III FUSE TYPE 20mm x 5mm Class 3 Slo Blo ...

Page 14: ... SIX PACK OPERATORS MANUAL 12 BLOCK DIAGRAM ...

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