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5. A Few Tips for Getting the Most Out of your FM-50

Tone controls – when you receive your amplifier, the tone controls for both channels should be

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set to the midpoint ("12:00") position. We designed this amp so that with the controls at that

position, both the clean and crunch tones should sound awesome at any volume level.

The midpoint ("12:00") position is always a good starting point if you are not yet getting the tone

you desire. We recommend adjusting one tone control at a time, while listening to the effect each

adjustment has on your sound. Small changes can make a big difference, so take your time as

you gradually adjust each of the control knobs.

CLEAN Gain – Think of the CLEAN gain control as being just like the sole volume control on an

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older Fender® twin reverb amp, for those of you familiar with it. As you increase the gain, you'll

start to hear some natural breakup of the tone. This breakup is unique to the channel and

entirely independent of the clean volume control (as well the two master volume controls). Set

the gain to get the breakup/tone you want, then set the volume to get the room loudness you

want.

If you want to achieve a very clean tone, any setting less than about the "10:00" position will work

well. Then use the CLEAN channel volume to increase the volume. You'll also notice that

increasing the MASTER volume leaves the quality of the tone intact and just increases the overall

volume.

Delay Effects – The delay effects programs on the FM-25 are as good if not superior to many

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delay pedals on the market. We use the Spin FV-1 effects chip which is also widely used in many

effects pedals. Besides experimenting with the different programs, use the PRGM MODE toggle

switch on the back of the amp to set up different tones for your clean, crunch and lead (boost)

tones. Having different delay programs for different channels can give your set-up a very

powerful ability to have very different and distinct sounds which you can switch in and out of very

quickly.

Boost gain stage – The boost gain stage control allows you to take your tone to another level.

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The FM-25 Boost Gain Stage is based on the initial crunch channel and its gain control. This boost

adds (or subtracts) from the crunch gain.

You'll notice a more compressed, tighter tone which has slightly less pronounced lows and mid

tones. We designed this as such on purpose based on input from professionals who would

typically apply a boost setting when launching into a guitar solo.

P a g e

Airspeed FM-50 Owner's Manual, Ver 2.0

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