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4

3. Controls and Connections

2. Safety Instructions

The following instructions help to minimize the risk of 
injury through fire and electric shock.
1. Read these safety instructions carefully prior to using 
the device.
2. Keep these safety instructions in a safe place.
3. Do not install or use your device in close proximity to 
water, liquids or with wet hands!
4. Use your device in a safe place where nobody can 
step on cables or trip over them – damaging the cables, 
the device or themselves!
5. Pay attention to air flow and cooling – never obst-
ruct any air vents or grilles or cover it and allow it to 
overheat.
6. Unplug from the mains before cleaning the device. 
Use only a dry cloth for cleaning – no detergents or 
cleansers – ensure that no liquid ever enters the unit.

7. Never install your device close to devices with strong 
electromagnetic  fields  such  as  large  mains  transfor-
mers, electrical motors, neon illumination etc. Do not 
lay signal cables parallel to power current cables.
8. There are no user-serviceable components inside 
your device. To avoid the hazard of an electric shock, 
the unit must not be opened. All maintenance, adjust-
ment and repair work must be performed by qualified 
technicians only. Any unauthorized tampering will void 
the 2-year warranty.
9. To comply with the EMV requirements, shielded 
cables with correctly fitted connectors must be used for 
all signal connections.
10. Please connect audio connections before powering 
the unit.

equalizer

tone balance

3.1 Front Side

 input

 

 

signal input - socket für 6.3 mm mono jackplug

 high/low

 

 

input sensitivity switch, attenuator:           deactivated          acitve

 gain

 

 

input level control

 clip 

 

 

overload indicator

 

mute LED

 

 

channel mute indicator

 

mute

 

 

channel mute switch:           deactivated          acitve

 
 colour

 

 

tone colour filter activation switch:           deactivated          acitve

 bass

 

 

low frequency level control

  bass boost

 

 

low frequency boost:           deactivated          acitve

 

middle

 

 

middle frequency level control

 freq.

 

 

middle frequency control

 bandwidth

   

middle bandwidth switch

 treble

 

 

treble frequency level control

 balance

 

 

tone balance emphasis control

 intensity 

 

 

tone balance level control

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Summary of Contents for amp one

Page 1: ...1 amp one user manual Register your amp one www aer amps com Customer Service ...

Page 2: ...ear Side 5 4 Starting up 6 4 1 Cabling and Switching on 6 4 2 Level Adjustment 6 5 Functional Characteristics 7 5 1 Mute 7 5 2 Tone Control Networks 7 5 2 1 colour 7 5 2 2 bass boost 7 5 2 3 parametric equalizer 7 5 2 4 tone balance 7 8 5 3 Compressor 8 5 4 Rear Side Features 9 6 Technical Specifications 10 7 Circuit Diagram 11 ...

Page 3: ...s and easy operation The 10 inch high perfor mance bass loudspeaker supports this versatility whilst simultaneous ly adding some tube like compression The design of the power amp especially supports the impulse response and provides impressive po wer at short term exceeding significantly the specified 200 W on 8 ohm which you can clearly hear Amp one is professionally and richly equipped and of co...

Page 4: ...o user serviceable components inside your device To avoid the hazard of an electric shock the unit must not be opened All maintenance adjust ment and repair work must be performed by qualified technicians only Any unauthorized tampering will void the 2 year warranty 9 To comply with the EMV requirements shielded cables with correctly fitted connectors must be used for all signal connections 10 Ple...

Page 5: ...t power on power on off switch with fuse holder ref to technical data mains fuse 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 3 2 Rear Side 16 17 18 19 20 21 threshold treshold control input signal ratio compression ratio control active compressor active mode indicator on off compressor activation switch deactivated acitve master master level control power on off status indicator IB_AmpOne_1201 CAUTION ...

Page 6: ...al chain is neither too high nor too low This applies equally to all com ponents of a unit e g equalizer tone balance com pressor Consequently care must be taken that no part of the circuit is overloaded or that distortion is unintentio nally added to the signal We have carefully designed the circuit to achieve this objective whilst also provi ding controls gain master level for manual interven ti...

Page 7: ...ER products the amp three is fitted with an excellent basic tone thanks to the selection of com ponents circuits and pre equalizations In addition va rious equalizer networks enable you to adjust the ba sic tone to suit your personal requirements With amp three you can activate fixed filters colour bass boost and two adjustable filter networks equalizer and tone balance Note Basically instruments ...

Page 8: ...axis OUT are shown in dB Along the 45 line the input and output levels are the same that means a compression ratio of 1 1 there fore no compression A compression of e g ratio 4 1 means that further in crease in level above the threshold will be maintained at a constant ratio of 4 1 In other words if the input level increases by a factor 4 then the output level only increases by a factor 1 This mea...

Page 9: ...part of the effect loop path return represents the input for an external effect device from the out put of the effect device Return on it s own may also be used as quasi auxiliary signal input 10 dbV 8 and 9 insert pre eq insert post eq Insert pre post eq are two more effect loop paths to loop additional external effects filter compressor etc inzo the signal path either pre or post equali zation 1...

Page 10: ...wise balance left 12 dB at 50 Hz balance center 9 dB at 50 Hz and 10 dB at 10 kHz balance right 2 dB at 50 Hz and 11 dB at 10 kHz shelf type frequency response Compressor note 5 Characteristics Soft knee RMS responding gain reduction Threshold adjustment range 0 25 mV 78 mV 72 dBV 22 dBV at instrument input Ratio adjustment range 1 1 5 1 RMS Time constant 40 ms Indicator LED Lights up at ca 1 dB g...

Page 11: ... OFF ON BASS MIDDLE TREBLE FREQ OFF ON BASS BOOST BANDWIDTH TONE BALANCE COMPRESSOR OFF ON THRESH RATIO TUNER SEND RETURN LINE OUT SUB OUT HEADPHONES HEADPHONES AMP POWER AMP SUBSONIC RMS LIMITER AUX MASTER DI OUT DI OUT PRE POST EQ MUTE INPUT DI OUT LEVEL CLIP DETECTION CLIP DETECTION CLIP DETECTION COLOUR FOOT SWITCH INSERT PRE EQ INSERT POST EQ AUX IN 1 2 3 T R T R T R T R ...

Page 12: ...www aer amps com amp one 2012_01_GB ...

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