Purple Audio Pants 500 Series Differential Microphone Preamp  From Purple

500 series Microphone Preamp

Purple Audio

$775.00

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Manufacturer's Description from Purple

A four opamp, diferential mic preamp. Designed to work in standard “500″ racks.

The Pants uses a unique dual-bobbin input transformer from Cinemag unlike any other. The smooth Gain control helps you dial in the sound you want. If the output level is too high, you can ride the level down with the separate Level control. Pressing the “High” switch changes the feedback network to provide an insane 78dB of clean gain, a great match for very low output mics.

With different Gain, High mode switch, and Level settings the Pants can produce many different tones with the same amount of output level. The front panel DI goes through a FET buffer into the input transformer, adding an extra dimension to the sound of the preamp.

The DI load switch gives you two options, making it even easier to get the best direct tone for your instrument. Two LEDs clearly indicate signal level for the gain and output stages at a glance, turning green to indicate signal present, yellow for 10dB below clipping, and red for clipping. The Pants uses two KDJ3 opamps and two KDJ4.

 

Features:

  • Output level control
  • Input and output tricolor LED metering
  • Mic / Line switch for rack input Bridging line input for high output mics or line level sources Use with our Moiyn 8×2 mixer module in the Sweet Ten rack for mic or line mixing
  • DI Load switch for front panel input 100kohms or 1M ohms for a more open tone
  • Discrete signal path
  • Over Current Resettable Fused (prevents any module problem from affecting your rack)
  • ROHS – Lead Free
Purple Audio

About Manufacturer

Purple Audio was founded by Andrew Roberts in 1997.

While attending NYU’s music technology program in 1994 Andrew bought, sold and repaired recording equipment from a dorm room on the college campus.

In the fall of 1996, Andrew was introduced to John Klett who invited him to join a new repair shop in midtown Manhattan. This shop, dubbed Tech Mecca, was the new location for Manhattan Audio, a large repair facility and wiring company and Klett’s new midtown home.  Andrew apprenticed under Klett and began repair on high-end audio gear.

By the fall of 1997 Purple had introduced the MC76. Soon after Purple Audio’s inaugural AES show Purple needed more space, the operation was moved to a loft in Long Island City, Queens. This large space provided overflow space for Tech Mecca’s large projects.

Purple Audio spent the late 90s and early 00s shipping the MC76 and getting involved in console and tape machine rebuild projects. Andrew studied analog circuit and logic design, seeing it in practice during field service calls to major studios in the area.  While sales of the MC76 started to drop off as a result of a new competitor’s ad campaign, which in turn brought increased awareness of the MC76 product and user comments proved that the Purple Audio product was clearly superior.  Distribution was finally achieved and Purple Audio began selling direct and through select dealers.

Then began a long process in console design. Andrew designed a couple of large master sections, which were retrofitted into existing consoles. The master sections went through several design revisions before the Super 8 modules were designed. The process resulted in op amps and a mic preamp design that later became the Biz. Eventually Purple delivered 16 channel portable rigs and a 32 channel full-blown console.

In 2006 the bold move was made.  Purple Audio uprooted its operations in New York and shifted focus to a new location in Pennsylvania.   Andrew settled in the quaint little river town of Jim Thorpe Pennsylvania, where he began restoration of a 1850’s Victorian home.  Just a short drive from his new residence Purple’s new location was up and running in a 1000 sq ft. industrial complex in Weissport PA. The shop in New York still exists and is the home of Coral Sound, Exile Studios, Technical Audio, & Eisen Audio.

Upon his move to Weissport, PA in 2006 Andrew was now freed from the distractions of New York, Exile, and repair work. This allowed him to focus on the design work he had anxiously been working toward for years.  With that came the completion of the new Purple Audio products in 2007 : the Action, Cans, Pants, Sweet Ten ready for the AES show with actual production the first few months of 2008.

In 2011 Purple Audio once again upgraded its facilities and purchased a historic fire company in Jim Thorpe PA, called the “Marion Hose”.

Located just blocks away from Andrews residence in Historic Jim Thorpe PA.  The Building was sold to Purple Audio by the Mauch Chunk Historical Society.  An entire year was devoted to the gutting and refitting of the new Purple manufacturing facility.  While respecting the original historic architeture the exterior remains intact and historically correct while the interior reflects a NYC style loft with a hi-tech organic flare.   The second floor is primarily for design and manufacture, and an area designated for an artist lounge, kitchen, bath and views.  More to come on that.

Specifications

  • Maximum output level +33dBu
  • Frequency response 10hz – 60kHz +/- 1db
 

Transformer input:

Mic mode 

  • Maximum gain 72dB in normal mode
  • Maximum gain 78dB in high mode

Line mode

  • Maximum gain 40dB in normal mode
  • Maximum gain 42dB in high mode
 

Direct input:

Mic mode

  • Maximum gain 60dB in normal mode
  • Maximum gain 64dB in high mode

Line mode

  • Maximum gain 25dB in normal mode
  • Maximum gain 30dB in high mode
 

Pants Pinout:

  • Pin 1: Chassis Ground
  • Pin 2: Output A +
  • Pin 3: Output B+ (Purple Audio Rack Only – XLR OUT 2)
  • Pin 4: Output A -
  • Pin 5: Audio Ground
  • Pin 6: Output B – (Purple Audio Rack Only – XLR OUT 2)
  • Pin 7: Input -
  • Pin 8: Input -
  • Pin 9: Input +
  • Pin 10: Input +
  • Pin 11: NC
  • Pin 12: +15 or 16VDC 80ma
  • Pin 13: Audio Ground
  • Pin 14: -15 or 16VDC 80ma
  • Pin 15: +48VDC