4. Speakers
The 1x12" combos made prior to June 2002, are loaded with a Celestion Classic 80 8 ohm speaker.
1x12" combos made June 2002 and newer use Celestion Classic 80 16 ohm speaker. If you want a more
open vintage sound try a Celestion Vintage 30 NOTE: be careful how loud you play because the Vintage
30 speaker can handle only 60 watts.
Subject to change, depending on availability on Speakers.
5. Troubleshooting
Make sure your read and understand the safety instructions!! Repairs should be done only by
knowledgeable Technicians!! Always make sure your Cables, Guitars, Effects and Extension Cabinets
are working and hooked up correctly. If you think something is wrong with your Amp, play straight into the
Amp with nothing else hooked up other than a Guitar. That way you make sure it is the Amp. If you own a
combo unplug the internal speaker and hook up an external speaker cabinet to make sure it's only the
amp which is faulty. For noise check the appropriate preamp tubes (refer to f). Tubes are delicate and
have a limited live span depending on operating time, temperature and mechanical influences. 99% of all
sound and noise problems come from preamp tube failure. We let our amps run for at least two days
before we ship them to make sure that the tubes work properly but since they have a glass housing and
delicate little plates inside them it happened that they got damaged during shipping. Please don't feel
discouraged. We don't manufacture tubes and can only retest them to make sure they're okay.
6. Fuses
To check the fuses, use an Ohmmeter to make sure they're blown because sometimes you can't see if
they're blown. The Main fuse for 100 and 117 volt models should be 3A (2A for 230 volt). The HT fuse
should be ½ A on all models. Use only type "3AG Slow Blow" fuses. You can get those from Radio
Shack. The HT fuse blows usually if your power tubes are bad to protect the power amp circuit from
getting damaged. If the Main fuse blows it could be just a voltage peak from your power outlet. Put a new
one in and see what happens. If it blows again give us a call. In most cases it is just a 20 cent rectifier
diode for the plate voltage which went bad.
There you have it! It's all up to you now, be creative and push your musical imagination…For Questions
call, check out our webpage: www.bogneramplification.com
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