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Separate Gain & Volume controls as well as individual scoop controls (for thrash to crushing metal) are provided for the OD1 & OD2 channels. The Acoustic Emulation Channel features a Body Switch that enables the body resonance to change from a regular size acoustic to a Jumbo acoustic.
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The Clean channel runs through the preamp valve and has a separate Bright switch plus controls for Bass, Middle & Treble.
Overdrive 2 goes from a hot-rodded JCM800 all the way to a JCM2000. Overdrive 1 sounds range from a vintage sounding Plexi all the way to the JCM800 crunch.
The AVT275 is a 2 x 75 Watt, 2 x 12" Combo featuring two independent DFX sections and 4 channels (Acoustic Emulation, Clean, OD1, and OD2). The AVT275 Stereo Combo is Marshalls top-of-the-line AVT amplifier. Also featured are a large, newly designed control panel thats easy to read whether the player is standing or sitting, plus stylish gold piping that provides a warm rich look.
#Marshall avt 50h amplifier series
The new AVT Series features a more robust cabinet design with new roadworthy, reinforced corner caps and a heavy-duty, durable handle.
#Marshall avt 50h amplifier full
In addition, all AVT Combo amplifiers feature closed back cabinets with specially voiced, extended bass response Celestion speakers, that deliver the bottom end sound that was once only achieved by employing a full 4 x 12 extension cabinet. The design of these effects eliminates the harsh-sounding, artificial grain often associated with digital effects. Several models within the AVT Series also feature built-in digital effects (DFX) each with 16 custom-voiced effects. 12AX7) valve driven pre-amp section that provides 100% valve/analog warmth from input to output. This power amp section is coupled with a specially voiced ECC83 (a.k.a. All AVT amplifiers employ Marshalls proprietary Powervibe a dynamic clip level technology that emulates an all-valve amps power supply section. The heart of the AVT Series amplifiers is a newly designed power amp section featuring responsive, warm sounding circuitry. The result is a series of hybrid amplifiers that accurately emulate the feel and response of an all-valve amplifierwithout using any valves in the power state.
When designing the new Valvestate AVT amplifiers, Marshalls R & D engineers drew upon their 38 years of experience in amplifier design and the latest innovations in valve, solid-state and digital technologies. Seven models and two cabinets comprise the new AVT Series of amplifiers: AVT275 Stereo Combo (2 x 75 Watts), AVT150H Head (150 Watt), AVT150 Combo (150 Watt), AVT100 Combo (100 Watt), AVT50H Head (50 Watt), AVT50 Combo (50 Watt), AVT20 Combo (20 Watt) and the AVT412A (angled front) and AVT412B (straight front) speaker cabinets. I have one rigged up to an old beginner amp.Marshall Amplification announces the introduction of the Valvestate 2000 AVT (Advanced Valvestate Technology) series of amplifiers. You can use a scope, or if you don't have one an audio probe works fine. If there's a signal then you have a problem with your power amp circuit. This then couples to the power amp IC via C13, so check the other side of C13 as well. You need to make sure that the output on IC5b (pin 7) is present. The signal path for the CD input inserts after the preamp via C40 to IC5b (pin 6).