Description: Up for sale is a complete NOS (New Old Stock) Old Colony Sound Laboratory KY-2 Ryan Mod - Adcom Power Supply Regulator - for an ADCOM GFA-555 Amplifier. There are two kits included (one for each channel); comes complete with printed circuit board, custom heat sink, discrete components (and Japanese transistors) and instructions (all shown). As noted in the Old Colony Sound Laboratory Catalog No. 6, page 51: "This popular mod was designed for taming Adcom's GFA-555, but it adds sweetness and definition to just about any amp in the range of 80V-in, 60V-out, 10A-regulated." Mounts in existing GFA-555 Amplifier case. These kits are being sold AS-IS. Thanks for looking!
Price: 225 USD
Location: Lebanon, Virginia
End Time: 2024-09-17T14:22:06.000Z
Shipping Cost: 15.5 USD
Product Images
Item Specifics
All returns accepted: ReturnsNotAccepted
Country/Region of Manufacture: United States
Type: GFA-555 Amplifier Mod
Brand: Old Colony Sound Laboratory
