Seymour Duncan SFX-04 Twin Tube Mayhem Effects Pedal

SEYMOUR DUNCAN SFX04 TWIN TUBE MAYHEM VALVE HIGH GAIN GUITAR PREAMPLIFIER STOMPBOX

The Seymour Duncan SFX-04 Twin Tube Mayhem features a pair of sub-miniature USA-made Phillips-Sylvania 62051 pentode valves in a high gain guitar preamp stompbox voiced to provide the raw valve sound, thick distortion and tone heavy that metal guitarist are looking for. Great for old school metal, new metal, thrash, death and doom! You playing a pointy black guitar with twin humbuckers? Then you need the Seymour Duncan SFX-04 Twin Tube Mayhem pedal.

The Seymour Duncan SFX-04 powers the valves with a fully encapsulated toroid transformer for high plate voltage, maximum dynamic range and real valve amplification. A high voltage, low noise discrete Class-A solid state input stage minimizes stompbox microphonics and guarantees maximum dynamic range, more than 90 dB of gain and the smooth tone with low-order harmonics guitarists expect from a valve preamp.

Set lead and rhythm levels independently with either 4dB or 8dB boost. A silent switching circuit eliminates clicks and pops. All packaged in a heavy-duty nickel plated chassis with chicken head knobs.

SEYMOUR DUNCAN SFX-04 TWIN TUBE MAYHEM VALVE HIGH GAIN PREAMP STOMPBOX SPECIFICATIONS

• Gain Before Level Compensation: 97 dB.
• Gain After Level Compensation: 71 dB.
• Nominal Output Level: 0.25 Vrms (-10dBu).
• Max. output level before clipping: 5 Vrms (16dBu).
• Input Impedance: 100KOhm.
• THD @ 100mV RMS output: 0.5%.
• Noise @ Output: 4mV (< 3dB hum content).
• Boost Footswitch Gain Two selectable boosts, 4dB and 8dB. No effect on tone, just increased level.
• Active Equalization Section:
• Bass Control: 126 Hz, Q = 1.5, Gain = +/-12dB.
• Midrange Control: 596 Hz / 1389 Hz, Q = 1.5, Gain = +/-12dB
• Treble Control: 2.93 KHz, Q = 1.4, Gain = +/-12dB
• Power Consumption: 11 Watts.
• External Dimensions: 7.50X 6.62 X 1.96-Inches (190mm X 168mm X 50mm).
• Weight: 3.15 lbs. (1.43KG).
  

SEYMOUR DUNCAN SFX-04 TWIN TUBE MAYHEM GUITAR PREAMPLIFIER PEDAL FEATURES

• All the thick, raw valve distortion and low order harmonics you expect from a valve preamp.
• Voiced for heaviest rock tones.
• Dual USA made 6205 MIL-E-1 spec sub-miniature pentode valves.
• Low-noise Class-A discrete input stage coupled with two-stage valve distortion section.
• No clipping diodes, reave vavle distortion and feel.
• Active EQQ plus switchable mid-range gain.
• Over 80dB of insane gain.
• Switchable 4dB or 8dB of boost to preset rhythm and lead levels.
• High voltage fully-encapsulated toroid transformer for quiet operation.
• True hard-wire bypass.
• Nickel plated chassis.
• Stylish "chicken head" knobs.
• 16-volt AC transformer is also included.

More information on the Seymour Duncan Twin Tube Mayhem guitar effects pedal

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