Model value guide
McIntosh MC240 value
Price reference for the McIntosh MC240 power amplifier, including conservative condition ranges, common service concerns, value drivers, and comparable listing research links.
Good working range
$2,680-$5,770
Based on a working, original example before location, accessories, or venue-specific payout assumptions.
Condition-adjusted values
Parts or project
Use when major functions are dead, untested, or sold strictly as-is.
$470-$1,010
Good working
Baseline range for a clean unit with the core functions verified.
$2,680-$5,770
Very good serviced
Applies when cosmetics are clean and basic service is documented.
$3,415-$7,360
Restored collector
Upper reference for documented restoration and strong presentation.
$4,640-$9,990
Sold-comps summary
Transformer health and chrome condition dominate MC240 value; untouched project amps are still valuable but heavily inspected.
The checker uses conservative reference bands rather than live scraping. Final sale price can still move with location, buyer confidence, shipping risk, and whether service work is documented.
Value drivers
- Classic McIntosh tube amplifier status
- Healthy original transformers
- Clean chrome and documented restoration
Common issues and restoration notes
- Pitted chrome chassis
- Weak tube set
- Modified wiring that reduces collector value
For McIntosh MC240, buyers usually discount undocumented service because pitted chrome chassis can change repair cost quickly. Keep receipts, note replaced lamps or capacitors, and photograph serial plates, controls, faceplate edges, and included accessories before listing.
Related model pages
More Power Amplifier value references
McIntosh MAC 1900
1973-1978 · Receiver
$850-$1,900
MAC 1900 values are highly cosmetic-sensitive; damaged glass can erase much of the McIntosh premium.
McIntosh MC2105
1967-1977 · Power amplifier
$1,700-$3,800
MC2105 comps rise sharply with excellent glass and working meters; cosmetic damage is expensive to correct.
Dynaco Stereo 70
1959-1977 · Power amplifier
$450-$1,200
ST-70 values depend on build quality and transformer health; tasteful rebuilds can outperform untouched but tired units.