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Atlas IV: Preamp Booster

The Atlas IV is a booster, a pre-amp and a tone enhancer. With a natural tone and wide dynamic response, it adds extra dimension to your existing tone, without compromise. While classified as a “clean boost”, the Atlas IV offers two levels of harmonic enhancement, adding richness and sparkle with up to 15db of boost power.

Pre order your Atlas IV today with a $39 deposit. Pre-orders close Sunday at Midnight. Pedals are handmade to order. Balance invoices will be sent 1-2 weeks before shipment. Shipments are estimated to begin July 25th. *Grey Edition is extra-limited due to the vintage indicator

 


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Meridian

Atlas IV Logo

When you have your guitar and amp dialed-in just right, but you want MORE of it, that’s where the Atlas IV: Preamp Booster comes in. More volume, more harmonic sparkle, more amp saturation - the new Atlas IV has you covered.

NEXT-LEVEL TONE ENHANCER

The Atlas IV is a discrete, FET transistor preamp circuit. With a natural tone and wide dynamic response, the Atlas IV adds extra dimension to your existing tone, without compromise.

Use the Atlas IV to transform your tube amp, set at the edge of breakup, into glorious overdrive. Kick it on to enliven a solo or up the ante of a bridge. In the studio, the Atlas IV is the ultimate recording tool, by slamming the front end of tube amps for legendary distortion tones. Use it to shape other dirt pedals, unlocking new sonic textures and expanding creative possibilities.

While considered a “clean boost”, the Atlas IV is also a harmonic enhancer - an extension of your sound that multiplies existing harmonic content. The light tube-like harmonics and response of the Atlas IV, combined with a hot tube amp, results in harmonically rich tones and a layered dynamic response that can make this pedal hard to turn off.

AN EXPANDED CLASSIC

Spaceman is known for creating fantastic boost pedals and the Atlas IV is no exception. This is the next generation of the highly regarded Atlas III: Preamp Booster which has been out of production for several years. While retaining the same voice and subtle magic that the original is known for, we've now added two additional modes - making this Atlas more powerful than ever.

Thrust - Increases the harmonic saturation of the circuit, slightly lowering headroom and increasing max output by 5db. This will add more harmonic sparkle to the highs and slightly thicken the lows. The harmonic sweetness that this switch adds takes the Atlas circuit to a whole new level.

Axis - Shifts the voicing up, reducing bass and increasing treble. Designed to be used in conjunction with Thrust to offset its thickening effect and highlight the added upper harmonics. Axis-Shift can also turn the Atlas IV into a treble boost, or be used to balance between different pickups.

Atlas IV FEATURES
  • Discrete FET transistor preamp design
  • Up to 15db of maximum boost
  • Thrust switch offers added harmonic enhancement
  • Axis switch provides 2nd treble-focused voicing option
  • Quiet toggle-switching for safe use with cranked amps
  • True-Bypass switching via soft-click footswitch
  • Fully analog circuit using only through-hole components
  • Completely soldered and wired by hand in Portland, Oregon
  • Can be powered 9v battery or external power supply
  • Three signed and numbered First Editions: Grey, Black, and White
  • Grey Edition is ultra-limited, w/ vintage dimmable aerospace indicator
TRULY HANDCRAFTED

Fully soldered and wired by hand in Portland, Oregon, the Atlas IV features true-bypass switching via soft-click footswitch. On top of the cast-aluminum enclosure sits a durable, engraved vinyl faceplate and jewel indicator light. This pedal is built to last a lifetime, both on Earth or in the vacuum of space and carries a Limited Lifetime Warranty to prove it.


SETTINGS
from Command Central

SETTINGS from Command Central

Chimey Overdrive

Dynamic, amp-like overdrive with a clear chimey tone. Turn up the Fuzz control to boost your tubes

Wall of Fuzz

Huge blooming fuzz tone, that still retains clarity. Use your neck pickup for extra plumpness

Clean Up Your Act

Use your guitar volume knob to experience a range from chimey clean to fuzzy goodness

Organic Overdrive

A warmer, amp-like overdrive with a bit more grit. More mids, smoother highs


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TECHNICAL SPECIFICATIONS

Width:

2.6 inches / 66 mm

Depth:

4.73 inches / 120 mm

Height:

2.17 inches / 55 mm

Weight:

12.5 oz

Input Resistance:

1Meg Ohm

Bypass Current Draw:

4.9 mA

Engaged Current Draw:

5.8 mA

EXP / Control Voltage:

0-5V DC TRS Jack - Over / Reverse voltage protected

Input Voltage:

9V DC, negative center via the 2.1mm jack

Atlas IV Guts
TECHNICAL SPECIFICATIONS

Width:

2.6 inches / 66 mm

Depth:

4.73 inches / 120 mm

Height:

2.17 inches / 55 mm

Weight:

14.8 ounces

Input Resistance:

1Meg Ohm

Bypass Current Draw:

4.9 mA

Engaged Current Draw:

5.8 mA

EXP / Control Voltage:

0-5V DC TRS Jack - Over / Reverse voltage protected

Input Voltage:

9V DC, negative center via the 2.1mm jack

Atlas IV Guts

MANUALS

WARRANTY

SUPPORT

MANUALS

WARRANTY

SUPPORT