One ForStrings AD is the largest model in One ForStrings line by Acus both for Power and sound pressure.

Thanks to its 5 channels it is recommended for both solo-stage that as Mixer-PA system for concerts in clubs of limited size (up to 150 people). All channels of the One ForStrings AD amplifier are equipped with peak led, gain, 4-band equalizer, Effect Volume and Channel

Channels 1, 2, 3 have input MIC / LINE, channel 5 is to be used only for input line. The peculiarity of this amp is in the Channel 4 which has a three-position switch which makes it very flexible:
position 1: equalization optimized for cello and viola;
position 2: equalization for acoustic and classical guitars;
position 3: optimized equalization for semi-acoustic guitar / Jazz.
Channel 4 also has a stereo line input by 2 mono jacks to have L and R separate. One ForStrings AD is equipped with AUX input with Volume dedicated with 2-band equalizer and 2 outputs (LINE and STEREO OUT) with own Volume and one output DIRECT OUT for connection to a system External PA. This amp is also equipped with a high-end headphone output with independent volume, 8 high quality digital effects with RETURN control on the Master section and RESONANCE filter (Feedback- Canceller) selectable and with adjustable frequency.
  Frequency responce :
Max power out:
Syistem format:
Power woofer:
Power tweeter:
Sensitivity 1W 1mt:
SPL max:
40 Hz – 20kHz
350 W 
Biamp 2 vie
280 W 
70 W 
96 dB
122 dB
2 x 8”
Compression tweeter
2 vie bass reflex
Birch Plywood
16 Kg
467 mm 
317 mm 
350 mm

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