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Head 

one

-2-

• Do not install your Head Oneclose to equipment with strong

electromagnetic fields such as large power transformers, cir-
culating machines or neon lighting. Do not lay the signal ca-
bles parallel to heavy-duty power lines.

• Only connect your Head On when it is switched off.

• Remove the power cables before cleaning your Head One. Use

a damp cloth to clean with, do not use cleaning chemicals and
be sure that no liquid gets into the electronicsZiehen.

• The inside of the Head One does not contain parts to be ser-

viced by the user. Leave servicing, adjustment and repair to
qualified service personnel. Unqualified intervention will re-
sult in the invalidation of 2-year Guarantee.

• Please look after these operating instructions!

2. Precautions

• Read the operating instruments and be sure that you have

understood them.

• Follow all the warnings, instructions and supplementary texts

that are written on the Head One.

• Always use an earthed power supply with the correct AC vol-

tage. Should you be unsure about the earthing of the power
supply, have it checked by a qualified electrician.

• Do not install or use your Head One close to water, or if you

are yourself wet.

• Use your Head One where it is protected and where no-one

can tread on the cables or fall and damage them.

To avoid injury through Fire and Electric Shock when using the Head One, always be sure to adhere to the following 
safety precautions.

Summary of Contents for HEAD ONE

Page 1: ...he Head One s impressive capabilities are especially noticable with an electric bass an instrument which has an enormous bandwidth and variation in tonality We believe we have achie ved a successful compromise Everything else is down to you we believe you will have a lot of fun with Head One Head one Manual Summary of contents 1 Introduction 2 Precautions 3 Conception 4 Control elements 5 Technica...

Page 2: ...sonnel Unqualified intervention will re sult in the invalidation of 2 year Guarantee Please look after these operating instructions 2 Precautions Read the operating instruments and be sure that you have understood them Follow all the warnings instructions and supplementary texts that are written on the Head One Always use an earthed power supply with the correct AC vol tage Should you be unsure ab...

Page 3: ...ible to access the signal before or after the EG by using the Pre Post EQ switch Following that is a Send Return circuit i e for Effects to enable signals to added either in parallel or in series The next Sound Control Sparcling Filter influences the whole signal in the area of Bass and Treble through a type of Sound Scales and an intensity knob Using two selectable Master Controls i e for Solo or...

Page 4: ...d EQ 2 equalizer 1 active LED indicates that EQ1 is in operation colour Mid cut high boost switch bass Bass tone control low mid Low mid range control middle Mid range control treble High range control equalizer 2 active LED indicates that EQ2 is in operation colour Mid cut high boost switch bass Bass tone control low mid Low mid range control middle Mid range control treble High range control fs ...

Page 5: ...r series mode full range see illustration 2 way active see illustration bridge mode As a bridged amplifier for a higher output level for use with a full range cabinet only recommeded for use with an 8 Ohm cabinet out 3 Loudspeaker output Rmin 8 Ohm delivers full range signal in bridge mode out 2 Loudspeaker output Rmin 4 Ohm delivers full range signal in Bridge Modus or high mid signal in 2 way mo...

Page 6: ...ne head one out 2 out 1 CAB one CAB one head one out 1 CAB two head one CAB two CAB two head one CAB one CAB two 2 way active plus head one out 2 CAB one CAB one lowpass 2 channel amplifier CAB two CAB one switch mode 2 way switch mode full range switch mode full range switch mode full range out 1 ...

Page 7: ... einstellbar 60 240 mV balanced Output powercon HF LF full range signal EQ 2 Out 1 250 4 Ohm single ended Out 2 250 4 Ohm single ended Out 3 Bridge mode 500 8 Ohm Colour 3dB 300Hz 7dB 4 kHz EQ 1 Bass 9 dB 45 Hz Low Mid 9 dB 240 Hz High Mid 9 dB 880 Hz Treble 9 dB 7 2 kHz EQ 2 Bass 9 dB 45 Hz Low Mid 9 dB 420 Hz High Mid 9 dB 880 Hz Treble 9 dB 7 2 kHz Weight 6 kg Dimensions 88 x 366 x 306 mm ...

Page 8: ...Head one 8 Block diagram 1 ...

Page 9: ...Head one 9 Block diagram 2 II I ...

Page 10: ...isposal Regulations regarding the disposal of old electrical equipment It is not allowed to dispose of old electrical equipment together with domestic refuse Old AER GmbH electrical equipment should not be disposed of at public electrical refuse disposal centres The company AER GmbH is solely responsible for the disposal of old AER GmbH electrical equipment which is marked with the sign of a refus...

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