Page 2
Please keep this instruction manual for future reference and for the • This product should be operated only from duration of owning this Olsson amplifier. the type of power source indicated on the rating label. If you are not sure of the type of power available, consult your product What’s the meaning of this?
Page 3
enclosure through openings. • Use only accessories recommended by the manufacturer. • This apparatus is for moderate climates • Vacuum tube amplifiers generate heat. areas use, not suitable for use in tropical Maintain at least 20 cm/8” of unobstruct- climates countries. ed air space behind the unit and at least •...
Page 4
Due to the unique pre-amp design the BJF100 takes pedals extremely well and the transpar- ent FX-LOOP takes care of your time based pedals exceptionally. The BJF100 amps are hand built by skilled engineers in Sweden and crafted with the finest material for flawless performance.
TECHNICAL SPECIFICATIONS Model: BJF100 Mains: Available in 100, 120, 220 or 230/240V versions, 50/60Hz Mains voltage tolerance: +/-10% Max power consumption: 375W Ambient operating temperature: 0°-35°C Main fuse 120V: 250V / T4A Main fuse 220V: 250V / T2A Main fuse 230/240V:...
FUNCTIONS - FRONT PANEL 1. INPUT 8. GAIN Input jack for your guitar. Use a good quality This adds gain/distortion to your sound. At screened guitar cable. higher settings the compression and the amount of overtones will increase. 2. GAIN 9.
Page 7
14. PRESENCE 1 AND PRESENCE 2 NOTES: Adjusts the highs and upper mids in the power amp section. This amp has separate presence controls for each channel. 15. MUTE When the switch is in mute position the amp will be quiet and you can change the guitar without any disturbing noise or hum.
Connect the external FX gear output to the 21-25 SERIAL FX LOOP RETURN jack. BJF100 is equipped with a serial FX loop. If you activate the FX loop without anything 25. RETURN LEVEL connected to SEND and RETURN you can When the FX loop is active this controls the use it to control the overall output volume.
Page 9
foot-switch you must set the Clean/Crunch NOTES: switch to Crunch and the Channel switch to 28. LOUDSPEAKERS There are two parallel connected speaker outputs available on the rear panel. Connect the speaker(s) to the jack(s) and set the IMPEDANCE SWITCH as follows: 1x16 ohm Set the IMPEDANCE SWITCH to 16 ohm 1x8 ohm / 2x16 ohm...
Need help?
Do you have a question about the BJF100 and is the answer not in the manual?
Questions and answers