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Warning!

Important safety information!

READ THE FOLLOWING INFORMATION CAREFULLY. SAVE ALL 
INSTRUCTIONS FOR FUTURE REFERENCE!

Follow all warnings and instructions marked on the product!

Danger! High internal operating voltages.

Do not open the equipment case. There are no user serviceable parts in this 

equipment. Refer all servicing to qualified service personnel. 
Clean only with dry cloth.
Condensation  can  form  on  the  inside  of  an  amplifier  if  it  is  moved  from  a  cold 

environment to a warmer location. Before switching the unit on, it is recommended 

that the unit be allowed to reach room temperature. 
Unauthorised  modification  of  this  equipment  is  expressly  forbidden  by  Blackstar 

Amplification Ltd.
Never push objects of any kind into ventilation slots on the equipment casing.
Do not expose this apparatus to rain, liquids or moisture of any type. 
Do not place this product on an unstable trolley, stand or table. The product may 

fall, causing serious damage to the product or to persons!
Do not cover or block ventilation slots or openings. 
This product should not be placed near a source of heat such as a stove, radiator, 

or another heat producing amplifier.
Use only the supplied power cord which is compatible with the mains voltage 

supply in your area.
Power supply cords should always be handled carefully and should be replaced if 

damaged in any way.
Never break off the earth (ground) pin on the power supply cord.
The power supply cord should be unplugged when the unit is to be unused for long 

periods of time.
Before the unit is switched on, the loudspeaker should be connected as described 

in the handbook using the lead recommended by the manufacturer.
Always replace damaged fuses with the correct rating and type.
Never disconnect the protective mains earth connection.
High loudspeaker levels can cause permanent hearing damage. You should 

therefore avoid the direct vicinity of loudspeakers operating at high levels. Wear 

hearing protection if continuously exposed to high levels.

If the product does not operate normally when the operating instructions are 

followed, then refer the product to a qualified service engineer.
The U.S. Government´s Occupational Safety and Health Administration (OSHA) has 

specified the following permissible noise level exposures:

Duration Per Day In Hours  Sound Level dBA, Slow Response

8  

90

6  

92

4  

95

3  

97

2  

100

1½  

102

1 105
½ 110
¼ or less  

115

According to OSHA, any exposure in excess of the above permissible limits could 

result in some hearing loss.
Ear plug protectors in the ear canals or over the ears must be worn when operating 

this amplification system in order to prevent a permanent hearing loss if exposure 

is in excess of the limits as set forth above. To ensure against potentially dangerous 

exposure to high sound pressure levels, it is recommended that all persons 

exposed to equipment capable of producing high sound pressure levels such as 

this  amplification  system  be  protected  by  hearing  protectors  while  this  unit  is  in 

operation.

All electrical and electronic products should be disposed of separately 

from the municipal waste stream via designated collection facilities 

appointed by the government or the local authorities.

Содержание JJN-20RH MkII

Страница 1: ... www blackstaramps com Whilst the information contained herein is correct at the time of publication due to our policy of constant improvement and development Blackstar Amplification Ltd reserves the right to alter specifications without prior notice Designed and Engineered by Blackstar Amplification UK 126404M 1 02 19 JJN 20RH MkII ...

Страница 2: ...pparatus 12 Only use attachments accessories specified by the manufacturer 13 Unplug this apparatus during lightning storms 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 th...

Страница 3: ...e unused for long periods of time Before the unit is switched on the loudspeaker should be connected as described in the handbook using the lead recommended by the manufacturer Always replace damaged fuses with the correct rating and type Never disconnect the protective mains earth connection High loudspeaker levels can cause permanent hearing damage You should therefore avoid the direct vicinity ...

Страница 4: ...esponsive chime with looser bottom for the British tone that can be pushed into a midrange overdrive when driven hard The Voice setting can also be selected via footswitch This amplifier also has two voices on the Overdrive Channel providing a broad palette of overdriven tones As with the Clean Channel each of these voices can also be selected by footswitch The Overdrive voices are characterised b...

Страница 5: ...ic but hot rodded overdrive with medium power amp damping With the red LED lit the overdrive sound has a more modern voicing that includes a strong mid emphasised pre overdrive boost as well as a looser more aggressive sound due to reduced power amp damping 8 OD Volume This control adjusts the overall volume of the OD Channel Turning it clockwise increases the volume 9 Bass The Bass control adjust...

Страница 6: ...cified on the rear panel Never use a fuse of the incorrect value or attempt to bypass it English English 4 Speaker Outputs The output marked 1x16 Ohm is for the connection of a single 16 Ohm extension speaker cabinet The outputs marked 1x8 Ohm or 2x16 Ohm are for the connection of either a single 8 Ohm extension cabinet or two 16 Ohm cabinets 1x16 Ohm output 1x8 Ohm or 2x16 Ohm outputs Internal 16...

Страница 7: ...s set EXTERNAL SWITCHING This can also be used by people who wish to control the main features of the amp using an external switching device that connects via the TRS connection of the socket The following external conditions will switch the channels and voices as follows TIP RING CHANNEL VOICE Closed Closed Clean Voice 1 Closed Open Clean Voice 2 Open Closed Overdrive Voice 1 Open Open Overdrive ...

Страница 8: ...15 14 Technical Specification JJN 20RH MkII Power RMS 20 Watts Valves 2 x EL84 2 x ECC83 Weight kg 9 6 Dimensions mm 473 x 244 x 222 Footswitch FS 16 included English English ...

Страница 9: ...Japanese Japanese JJN 20RH MkII Front Panel JJN 20RH MkII Rear Panel 20 2W 20W INPUT TONE CLEAN VOLUME 10 0 VOICE 10 0 10 0 BLUES POWER SELECT VOICE VOLUME OVERDRIVE GAIN 10 0 10 0 10 0 10 0 10 0 OD EQUALISATION ISF TREBLE MIDDLE BASS LEVEL REVERB 10 0 VOLUME MASTER 10 0 POWER ON ...

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