Description. The McIntosh MC2505 is a solid state power amplifier with a maximum power output of 100 watts RMS continuous, 50 watts per channel operating Manual for McIntosh MC-2505 Amplifier. View and download the pdf, find answers to frequently asked questions and read feedback from users. Year of construction: 1967 - 1977 ; Owner's Manual MC2505 (english), MC2505_own.pdf, 04/2003 ; Service Manual MC2505 (english), MC2505_ser.zip, 01/2004 ; Service ing this owner's manual. When you bought a Mclntosh, you bought MC2505 is guaranteed to be less than 0.25% at any frequency from. Read or download McIntosh MC 2505 Owners Manual PDF with 20 pages. No login, no charge and no limit. Extracted text from McIntosh MC 2505 Service Manual (Ocr-read). Page 2. MC. 2505. ELECTRICAL SPECHWCATIONS. Power Output: 100 watts RMS continuous,