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Boss FV-500L Foot Volume
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Boss FV-500L Foot Volume

Volume Pedal for Guitar/Bass from Boss belonging to the FV series

Anonymous
Published on 04/30/09 at 22:12
Value For Money : Excellent
PDAL volume or expression. But if your observations you will notice that there are 2 MODELS: L and H.
L is a stro impdance low and high H a mono impdance.
Stereo or mono, everyone understands, but impdance high or low, how would we INTERESTED he?

Let our courses Electricity: impdance the extent of opposition to the passage of electric circuit an alternating current sinusodal. Simply put, the impdance is a kind of Resistors, varying with the electric current. The guitar is an instrument whose output is raised impdance finally instrument for, say more leve a keyboard or a microphone. You tell me: who cares. Well, no. Possde impdance an instrument output which must be adapted to impdance of the amp, console, which indeed it is connected. Overall, an instrument must be connected to a device possdant impdance between 5 to 10 times suprieure impdance its output (the so-called adaptive voltage ). To go further, an amp must be connected to the HP impdance same: it is the adaptation potential. Why is it so important? For the amp (lights), connect the HP impdance littralement too low will fry your output transformer! For the instrument, he can breath rsulter important, distortion or a high quality of sound dgradation.
For example: impdances guitar output (200 Ohms), synth (2 Ohms), micro (600 Ohms)
impdances of amp (1 MOhm), line (10 KOhms), micro (5 KOhms)
In this connection, why can not we connect an amp head lamps of HP with Cables instrument? Instrument for the cables are shielded, it is - ie covered with insulation for electric to avoid being "parasites" by the surrounding electrical devices, which in rsulterait called the "hum". However, these shielded cable is also formidable capabilities (insulation surrounding conductors) that will change the overall circuit impdance Cables-HP. Rsultat: the output transformer may burn if the total is impdance infrieure impdance its own output (for more precision on the phnomne books I refer you sp cialiss).

If you followed all the dj you have to ask you this: in these conditions, the FV-500H must be prvue for guitar and FV-500L Keyboard. But you can connect the FV-500L on a guitar?

Well, no. Well, not directly. This allows to address a second issue of great importance and yet largely nglig. The signal coming out of high impdance guitar will quickly lose quality audio across the cables: the del of 5 meters, the focus dgradation Sound, including loss in the treble. How? We must transform the signal into high impdance impdance low signal, it will not put this dgradation even if it must cross pedals 15 and 15 meters of cables. Devices capable of this transformation are called the "buffer" or "line driver". Now go to a site online and looking for a buffer. You can not do? This is normal! Nobody mentions them. Manufacturers prfrent dwell on the "true bypass" which does not color the signal when the effect of pedals is disabled but not being protected against the dgradation due to the cross 10 meters of cable connecting the pedals Necessary for them. As long as consumers do not ask questions and crot that the "true bypass" serves as a buffer, why argue?
Are the buffers in some boost pedals like the MXR MC-401 Boost / Line driver for example. Boss pedals are all also teams of buffers.

So you can use this low volume impdance pedals with a guitar, but only APRS a buffer (like a boss effect pedals, regardless of the models).

J&#39;espre t be clear to all those who did not know these little subtleties.

- 2 inputs / outputs for Stereo intrument
- EXP output to use the FV-500 as expression pedals
- A tuner output
- A volume knob to select the minimum volume
- A tilt adjustable stiffness
- PDAL passive: no power ncessaire

The unit is solid and well Submitted. Trs chic chrome finish. But prvoir space on a pedal board: this is trs long pedals!

UTILIZATION

A monkey could use the pedals. Then a guitarist ... with a little Entran or putting them two should do it also.

The rocker is trs enjoyable and more rigid adjustable. The amplitude of the lever is loooong: prcise a rocking, sensitive and progressive.
Pad antidrapant trs effective.

The intrt of the pedals is that it can be used in Stereo derrire Stros effects and can also act as pedals d expression of quality for all Boss pedals with output EXP or other compatible pedals (like Source Audio). In expression pedals, the scale of long range effects provides progressive trs perfect for Wahs or time (phaser, delay, ...).

The output tuner is handy to agree in silence without a will integrate useless pedals in the chain of effects.

SOUND QUALITY

Talking about quality sound on a volume pedals is weird.
Say it DGRAD nor the color signal.
The volume is CONTRL prcis and progressive.
Determines the minimum volume is handy.

OVERALL OPINION

Excellent Stereo Volume pedals which also serve as expression pedals quality.

Good qualitprix from the classic Ernie Ball or Fender, or other ...

Only one problem: we must understand the stories impdance. If you use a derrire buffer, it is perfect. Output guitar with single coils this can cause problem. That said, do you know the impdances and output of your effects, your guitar and your amp?? Probably not and you do prevents any sleep! But it is sometimes the explanation of evil "sound".