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DSM Humboldt Simplifier Classic guitar Amp and Cab simulator

Preamp Section

Amp model: Selects between three classic amplifiers:

AC BRIT: Classic AC30 sparkly and three-dimensional sound. A true British heritage since
the 60's.
AMERICAN: Classic blackface deluxe sound. Sweet and dynamic with a balanced response.
By far the most used amp on studio recordings
MS BRIT: Classic clean-to-crunch vintage plexi style amp. The sound that defined rock music.

Gain: Sets the gain of the selected amp model.
Level: Sets the preamp master volume level.
Tonestack: The tone stack on the Simplifier is a genuine configurable three band classic
amplifier topology, keeping the same feel, response and interaction of the original amp.

High: Controls the high frequency band
Mids: Controls the mid band (AC Brit 500Hz, American 450Hz, MS Brit 650Hz)
Lows: Controls the low end frequencies.

Power amp section

This stage is an accurate approximation of the interaction between the power tubes, output
transformer and global feedback, which produces a particular frequency response for different
tubes and speakers.

PRESENCE: Controls the hi-mids response just like the feedback based presence control on
tube amps. Turn it up to cut through the mix or turn it down to sweeten aggressive distortions.

RESONANCE: Controls the low-end and resonance peak caused by transformer-speaker
interaction in tube amps. Now you can control the dampening factor and get super tight lowend
clarity and authority.

POWER TUBES SECTION: 3 way toggle switch that mimic the different
response of classic tube types:

EL34: Complex mid response with a compressed feel.
6L6: A more open and dynamic response with deeper bass and sparkling highs.
KT88: Similar to 6L6 but with improved lowend range, perfect for bass or 7+ string Guitars. 

Stereo Cab simulator

MIC POSITION: Controls that responds like a real CENTER/OFF AXIS microphone
position adjusting the precise amount of high-end roll off you look for. As usual with real mics
and speakers, placing the MIC outside the center works best for distorted tones, and cleans
sound best near the center.

Cabinet Style Switch

1x12: Open Back combo with vintage speakers that emphasize the high mids (2-4 Khz), great
for cutting through the mix without too much low end mud.
4X12 : Huge sounding resonant low end cabinet with modern speakers, great for rock and
heavier tones with sparkly high end, and in-your-face lows.
2x12 : Warm and well rounded open back combo, with rich mids ( 1-3 KHz) and creamy high
end. 

Specifications

Current consumption: 50mA to 100mA (if Headphone out is used)
Supply voltage: 9V - 12V
Polarity: Center negative
Input impedance: 1 Meg Ohm
TRS output impedance: 100 Ohm
DI Output impedance: 120 Ohm
Send output impedance 100 Ohm
Return Input Impedance: 1 Meg ohm
Headphone Power: 120mW @ 32 Ohm

Dimensions
Width : 115 mm (4.53 in) /
Height: 65 mm (2.55 in)
Depth: 55 mm (2.16 in)
Weight: 430 g (0.94 lb)