Enough catalog hype, the above, M-20 12" Speaker System, came from Estey Electronics, Yes red is the original color. It has 5 input channels, each with 2 input jacks (high & low gain). If anyone has a schematic for this model Email me. Split-stereo or dual- channel monaural operation. There is a rhythm instrument channel and a lead instrument channel. The stereo input jack drives both the rhythm & lead channels simultaneously. There are also 2 separate microphone channels with their own individual high & low gain inputs and separate volume and tone controls. The bass instrument channel also has 2 inputs, a volume and a tone control. It has the Famous Magnatone Vibrato and Hammond Reverb System. A power & anti-hum switch. The M-20, amp only, weighs in at 66 lbs. It also came with a choice of Remote Speaker Cabinets, either, 2-RS-12, weighing 48 lbs. each or 2-RS-15, weighing 85 lbs. each.
The original catalog List Price for the M-20 Stereo Amplifier only was $825.00
for the M-20 12" SYSTEM with 2 RS-12, 2 dollies- $1190.00.
for the M-20 15" SYSTEM with 2 RS-15, 2 dollies- $1350.00.

Custom Accessories: FS-5 Footswitch,
D-2 Dolly (4 deluxe casters)
C-3, C-8 or C-9 waterproof, wipe-clean covers.

Approx: 160 Watts Stereo, (80 per side)
Serial Number: Not available
Owner: 3rd-Eye Blind, Not For Sale.
Photo: ©1998 George T. Nichols. Used by permission.