condition: good make / manufacturer: Fender model name / number: Acoustasonic PR 370 SFX
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I had this amp gone through when I bought it, it has a lot of new parts such as speakers. This amp is an excellent sounding acoustic and vocal duo amp designed to do both at once. Price is firm.
This is what someone had to say on Harmony Central:
Its got two channels. The first channel has Gain, Treble, Middle, Bass, String Dynamics, Feedback Notch, and DSP Send controls. It also has an Insert jack and an Instrument jack. The second channel is the same except it has no String Dynamics Control and it has a phase swtich and an XLR jack for a microphone. For master controls its got SFX level, DSP Return, Master Volume, Output Phase switch and DSP Effects. There are also Signal and Clip lights.
The String Dynamics control, according to Fender, controls a dynamic tone shaping filter. Turing it up more is supposed to decrease the harshness at higher volumes and keeps the "crispness" at lower volumes.
The SFX feature stands for Stereo Field Expansion. The amp has a sideways mounted speaker in the bottom. The idea is instead of just having sounds shooting out in one direction, you can get up 300 degree area to direct the sound. The SFX knob controls how much of this effect is present.
For built-in effects it has several room, hall, and plate reverbs, a few choruses, flangers, and delays. and some reverbed chorus and reverbed delay.
Overall, it is a rather nice sounding amp once you learn to dial in the tone you want. It accurately reproduces the signal, but is a little bit warmer (but still clear) than other acoustic amps I've tried which I like. The controls are all responsive. The microphone sounds good through it too.
The String Dynamics control does what it claims. There isn't a huge difference between 1 and 10 on it, but there is a noticeable difference. I have to say I do like the string dynamic control and would miss it a little if it were gone.
I rather like the SFX feature. The more you turn it up the more the sound surrounds you. Position the amp in the right spot in the room and turn the SFX all the way up and it'll sound simply wonderul. The effect becomes a lot more noticeable when you turn up one of the amps built-in effects. However, I don't the SFX feature would be all that useful in a band situation, where being heard in the mix is a higher priority.
The built-in effects are better than most built-in effects I've encountered, but they aren't as good as independent pedals. I find myself always having them off, because they overall detract from the tone. Also if using the effects while having the SFX on, the louder you play the more noticeable a high frequency "shimmer" sound becomes. However, if you only use a little of a particular effect (reverb in my case) and your pedal or what have you fails, the on-board effects are good enough to use in an emergency situation.
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