Aeron AP990C User Manual Download Page 5

Safety Notices

 

1.  Heed all warnings and follow all instructions in this manual.

 

2.  Do not use this apparatus near water.

 

3.  Clean only with a dry cloth.

 

4.  Do not block ventilation openings. Install in accordance with instructions.

 

5.  Do not install near any heat sources such as radiators, heat registers, stoves or another 

apparatus that produces heat.

 

6.  Do not defeat the safety purpose of the polarized or grounding type plug. If the provided 

plug does not fit into the outlet, consult your Reseller.

 

7.  Protect the power cord from being walked on or pinched, particularly at plugs, conven-

ience receptacles, etc.. Unplug the AC mains cord as well as all other connecting cables 
during transportation.

 

8.  Only use attachments and accessories specified by Aeron or your Authorized Aeron 

dealer.

 

9.  Use a surge protector on the main AC-Line to this component as well as all other compo-

nents connected to this product. Unplug this apparatus during lightning storms or when 
unused for long periods of time.

 

10.  Refer all servicing to qualified service personnel. NO USER SERVICEABLE PARTS INSIDE. 

Owner may change tubes. 

OTHER SAFETY CONSIDERATIONS 

1. 

ALWAYS

 disconnect your entire system from the AC mains before connecting or disconnecting 

any cables, or when cleaning any component. To completely disconnect this apparatus from the 
AC mains, disconnect the power supply cord plug from the AC receptacle.

 

2. 

NEVER 

use flammable or combustible chemicals for cleaning audio components.

 

3. 

NEVER

 wet the inside of this component with any liquid. If a liquid substance does enter your 

unit, immediately disconnect it from the AC mains and take it to your Aeron Dealer for inspection.

 

4. 

NEVER

 spill or pour liquids directly onto this component.

 

5. 

NEVER 

block air flow through ventilation slots or heat sinks.

 

6. 

NEVER

 bypass any fuse or replace any fuse with a value or type other than those specified.

 

7. 

NEVER 

expose the AP990C to extremely high or low temperatures. If the AP990C has been taken 

out of storage from an unheated environment, let the unit acclimate to room temperature before 
making any connections and applying power to the unit.

 

8. 

ALWAYS

 keep electrical equipment out of reach of children. This unit has a Protective Cage/

Tube Cover guards against accidently touching the glass tubes that are used for either power 
conditioning, amplification, or serving as a VU Meter when the product is in use, thus avoiding a 
potential injury and burn. Keep children away. Do not handle the tubes when hot, or wet them.  
Only touch the tubes only when they are cold and the unit is unplugged from its source of AC 
Power.

 

9. 

ALWAYS 

unplug sensitive electronic equipment such as this unit during lighting storms.

 

Summary of Contents for AP990C

Page 1: ...1 AP990C VACUUM TUBE INTEGRATED AMPLIFIER Manual Rev 1 4 2017 USER MANUAL...

Page 2: ...nection 9 Operation Power up Procedure 10 Direct Power Amp Mode Procedure 11 General Notes about Usage 11 Front Panel Control Function 12 Remote Control Function 12 Maintenance Test for Quiescent Curr...

Page 3: ...designed to provide you many years of playback Before use we encourage you to please read this manual thoroughly to properly acquaint yourself with its features We hope you enjoy listen ing to Aeron...

Page 4: ...or Rear Panel 1 mm Phono input 2 Line input Line 1 Line 2 3 Balanced input Left Right 4 4ohms ve Speaker Output Right 5 ve Speaker Output Right 6 8ohms ve Speaker Output Right 7 AC Mains Voltage Selec...

Page 5: ...hen cleaning any component To completely disconnect this apparatus from the AC mains disconnect the power supply cord plug from the AC receptacle 2 NEVER use flammable or combustible chemicals for cle...

Page 6: ...to the following instructions Carefully remove each vacuum tube from its protective foam and match its lo cation V number written on the base of the tube to the V number printed next to each socket Fi...

Page 7: ...arpet If the unit is to be operated in an enclosed equipment cabinet an exhaust fan is desirable so as not to operate the AP990C in overheated ambient air The ambient operating temperature should neve...

Page 8: ...cally for best overall sonic results It is important sonically that your entire system be connected so that the audio signal arriving at the speakers has correct or absolute polarity i e non inverted...

Page 9: ...g system that generally does not re quire a ground lifter adapter plug on the AC power cord to minimize hum The power cord supplied with the AP990C has a standard three prong grounding plug to provide...

Page 10: ...operation Power On 1 Adjust volume control to minimum setting 2 Press the Power button to turn unit ON 3 Choose the Audio Source the source LED indicator is sparkling wait 30secs to 1mins till the LE...

Page 11: ...off the AP990C wait at least five minutes before turning it on again This brief cool down period will reduce stress on the output tubes and potential damage to them Aeron does not recommend leaving yo...

Page 12: ...ion of any of three single ended input sources 1 2 3 Switch the input selector button through each input as indicated on the panel POWER Toggles power on and off from AC wall outlet to AP990C Remote C...

Page 13: ...g 1 If V1 quiescent current is out of work required please set the volume to minimum first 2 Switch set to V1 use a flathead screwdriver adjust to potentiometer V1 BIS ADJ please note the value of the...

Page 14: ...op cover surfaces with a soft damp not wet cloth to remove dust A mild non alkaline soap solution may be used to remove fingerprints or similar smudges Cleaners containing abrasives should not be used...

Page 15: ...eron products sold by them The specific terms and remedies for fulfillment of the Limited Warranty may vary from country to country Warranty service should normally be obtained from the importing reta...

Page 16: ...pplicable amendments Power Output 50Wx2 KT 88 Frequency Response 20Hz 50kHz 5W Distortion 0 1 10W S N Ratio LINE 86dB Input Sensitivity 300mV Input Impedance 80k ohms Balanced Impedance 95k ohms MM Im...

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