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Mark Acoustic AC 101 Owner's Manual

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Summary of Contents for Mark Acoustic AC 101

  • Page 3 1. Introduction Congratulations on purchasing one of the world’s best acoustic guitar amplifiers! Mark Acoustic amps are built to the highest standards by a small team of skilled technicians in San Giovanni Teatino, Italy. We have spent many years researching not only the highest-quality technologies for amp design and construction, but also the practical needs of the working acoustic guitarist.
  • Page 4 Mark Acoustic product line. I am confident that these Mark Acoustic amps are now ready to satisfy the needs of acoustic musicians all over the world. We encourage you to use your Mark Acoustic gear in all kinds of musical situations and please help us to continue develo- ping our products by sending your comments to info@markbass.it.
  • Page 5 2. Acoustic Amp Product Overview The AC601/AC101 acoustic amp is a high-quality acoustic guitar amplifier with a solid-state preamp and an analog power amp, which deli- vers 250W of power into a 4 ohm cabinet, or 150W into an 8 ohm cabinet. The AC601 features one custom-designed 6”...
  • Page 6 INPUTS The The INPUT JACK (2) connects your instrument to channel 2, and accepts either a balanced XLR input (in case your gui - tar’s pickup supplies a balanced output) or an unbalanced GAIN and MASTER There are three knobs on the front panel of the AC601/AC101 acoustic amplifier that control the volume of your instrument. The GAIN (3)(4) control determines how much signal is passed through the preamp stage of the unit, which includes equa- lization and the effects loop.

  • Page 7: Line Out Level

    The HIGH EQ (8) control boosts or cuts the high frequencies, by as much as 16 decibels. VPF FILTER The AC601/AC101 features a filter that alters the equalization of your signal with specially formulated musical results. The VPF (10) (Variable Pre-shape Filter) boosts lows (around 35 Hz) and highs (around 10 kHz), and cuts mids at 380 Hz. This filter can only be applied to channel 2.

  • Page 8: Insert Point

    LINE OUT This balanced XLR (24) output sends a balanced signal to the mixing console or snake in live and studio situations. The line out signal combines the signals of both channels, includes effects, and is not affected by the master volume setting. INSERT POINT This jack allows you to insert an external component (e.g.
  • Page 9 3. AC601/AC101 HF Compression Driver Level Control On the left side of the AC601/AC101 there is a level control that attenuates the high frequency compression driver. When the knob is tur- ned all the way clockwise, there is no signal going to the compression driver. Turned all the way counter-clockwise, the compression dri- ver is at its maximum level.

  • Page 10: Other Specifications

    4. Acoustic Amplifier: Technical Details OTHER SPECIFICATIONS INPUT DIMENSIONS Heighth 2.8 in. - 710 mm. - Depth 10.1 in. - 256 mm CHANNEL 1 Impedance: 500 Kohm - Max. Voltage: 10 Vpp Width 10.87 in. - 276mm CHANNEL 2 Impedance: 3.3 Kohm - Max. Voltage: 12 Vpp (can be extended to standard rack size with optional rack ears) CONTROLS CH1 WEIGHT...

  • Page 11: Power Supply

    5. AC601 - AC101: Technical Details COMBO SERIES AC601 AC101 SPEAKER SIZE (inches) 1X6” 1X10” TWEETER 1” HF comp. driver 1” HF comp. driver CROSSOVER FREQUENCY 3.5 KHz 3.5 KHz CAB POWER HANDLING 150W RMS 200W RMS (AES Standard) FREQUENCY RESPONSE 55 Hz to 18 KHz 45 Hz to 20 KHz CABINET SENSITIVITY (dB SPL)
  • Page 12 6. Acoustic Amplifier Schematics...
  • Page 13 7. Acoustic Amplifier Filter and EQ Graphs...

  • Page 14: Important Safety Instructions

    4. Important Safety Instructions Read these instructions; Keep these instructions; Heed all warnings; Follow all instructions; Do not use this apparatus near water; Clean only with dry cloth; Do not block any ventilation openings. Install in accordance with the manufacturerís instructions; Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat ;...
  • Page 16 Produced & Distributed by PARSEK srl Italy • 66020 San Giovanni Teatino CH • Via Aterno, 44 Tel. +39 08544 65 705 • Fax. +39 08544 07 399 www.markbass.it • info@markbass.it...

This manual is also suitable for:

Ac 601

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