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Sphere Alpha One 8 Channel 4 Bus Analog Small Format Console Sidecar #34752

Availability: In stock




BRAND: Sphere

MODEL: Alpha One

FUNCTION:8 Channel Analog Console

PRODUCT DESCRIPTION:This listing is for an extremely rare Sphere Alpha One 8 Channel Console. It was recently pulled from the personal recording studio of the late great Leon Haywood. For this listing, we spared no expense in having it fully restored electronically by the very talented Ken Hirsch of Orphan Audio. 

In 1980, this console, with its options, listed for over $7,300 (equal to about $24k in 2019). 

See screenshots of the original sales brochure above, courtesy of Ken Hirsch. 


  • 8 Microphone Inputs
  • 8 Line Inputs
  • 4 Individual Bus Outputs
  • 4 VU Meters
  • 4 Tape Inputs
  • 2 Auxiliary Inputs 
  • 1 Echo Send Output
  • 1 Echo Return Input
  • 1 Studio Out (This is a special 5 pin connector that will require custom cabling to utilize its stereo feature)
  • 1 Cue Out 
  • 1 Control Room Out (This is a special 5 pin connector that will require custom cabling to utilize its stereo feature)
  • Oscillator, Slate, & Talkback
  • -30, -15 Pads & Mic/Line Switch
  • Individual 3-Band Parametric EQs for each of the 8 channels
    • Presence EQ Knob & Frequency Selector Switch (1.5 kHz or 3 kHz)
    • 10 kHz & 100 kHz Concentric EQ Knobs

ACCESSORIES INCLUDED:This item comes as seen in photos, and does not include any accessories.


  • Custom Made Power Supply (2 units) & Custom Power Cable (Y-cable connects to both power supply units)
  • box w/ 2 spare button bulbs

PHYSICAL CONDITION:Very Good - A very rare and ultra cool analog console for use as a sidecar or small format console. Some dings and nicks can be found on the side panels, but all controls, buttons, faders, VU meters, and I/O are fully intact and in superb condition. The leather armrest is in near-perfect shape, VU meters are in perfect shape. All button-lights are working perfectly, both in the bus switch section and the monitor select section as well. Overall condition is very good.

WORKING CONDITION:Excellent - This little gem works like a dream! All channels, both mic and line, are working perfectly - from the preamp, eq, fader, to the bussing network. Control knobs all work perfectly. All faders work perfectly and are very smooth and silent. Monitor select switches all route flawlessly and light up perfectly as well. VU meters work perfectly, so do all dual-concentric knobs and push-button switches. Overall working condition is excellent. 

A complete and full restoration of all the electronics, including brand new power supplies were finalized by Ken Hirsch on 03.19.  A receipt of work done will be included with the sale. 

In addition, Ken wrote extensive circuit diagrams for this console and he will be a great resource for any future service needed by the new owner. 

52 lbs.


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