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Alembic Club » Owning an Alembic » Troubleshooting » Archive through December 18, 2006 » What do all the buttons do? « Previous Next »

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Username: rimskidog

Post Number: 5
Registered: 4-2006
Posted on Saturday, April 22, 2006 - 10:19 am:   Edit Post

Hey everyone, I'm new to the Alembic fold having recently bought Spyder4 4/50. Weight apart (man this thing is heavy), I love it! I've spent a lot of time playing with the various knobs and switches to find my sound and just wondered if anyone could point me in the direction of a manual or the like so I could find out what I have been playing with? Many thanks in advance! Trev
Username: davehouck

Post Number: 3683
Registered: 5-2002
Posted on Saturday, April 22, 2006 - 10:46 am:   Edit Post

Trev; Spyders have Anniversary electronics.

The switch on the lower horn is the pickup selector switch. The four positions are standby, neck pickup, both pickups, bridge pickup.

The first knob nearest the pickups is the neck pickup volume. The knob below that is the neck pickup low pass filter control. The switch to the right (facing) is the neck pickup Q switch.

The next three controls are the same thing except they are for the bridge pickup.

Of the two remaining switches, one is a stereo/mono switch for the stereo 1/4" jack. And I believe the last switch is for the LEDs.

Basically, the filter control is a low pass filter; as you roll it back it lowers the point at which it passes low frequency signals and blocks high frequency signals. To quote Mica, "the range is from 350Hz-6KHz. Wherever you set the filter, only frequencies below that cutoff point are passed." The Q switch works in concert with the filter and provides an 8db boost at the cut off frequency you've set with the filter. When the switch is off you get a flat response up to the filter setting. Again to quote Mica, "the Q affects mainly the attack portion of the note".
Username: rimskidog

Post Number: 6
Registered: 4-2006
Posted on Monday, April 24, 2006 - 1:55 pm:   Edit Post

Dave, awesome! Many thanks for this. I'm going to print it out and stick it on the wall in my studio!

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