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In Reply to: Re: active and passive guitars? posted by soundnut on August 24, 2004 at 06:13:43:
The only difference electronically is where the first stage of amplification takes place: inside the amp or inside the ax. Inside the ax is better from the standpoint of noise. Pickups are high impedance devices, and the signal they put out picks up a lot of dirt on the way through the cord to the amp; when amplified in the ax the amount of wire between the pickups and the first amp stage is drastically reduced, as is the potential for noise, since once amplified the signal goes to low impedance and no longer serves as a noise magnet.The ability of an on-board amp to boost the signal level going to the amp also improves the noise factor, as well as allowing more overdrive. The downfall of on-board is the battery thing. That has limited the success of low-impedance pickups such as EMG that require on-board to work at all; on-board is best when you can bypass it in case of a 'power failure'.
On-boards don't affect sustain or tone unless they have circuitry specifically intended for that purpose. However, they will sound brighter in general, as the high frequency response of a high impedance source (pickups) rolls off as a function of the amount of wire between it and the first amp stage.
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Follow Ups
- Re: active and passive guitars? - Bill Fitzmaurice 06:46:41 08/24/04 (3)
- Is this true? - Top Jimmy 15:32:47 08/26/04 (1)
- Re: Is this true? - Bill Fitzmaurice 06:27:13 08/27/04 (0)
- Guess I shoulda clarified... - soundnut 07:04:22 08/24/04 (0)
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