McIntosh Laboratory
MC240
Introduced 1960MSRP not recorded
40 W/ch tube stereo power amplifier built around McIntosh's Unity Coupled output transformers, a mainstay of the golden tube era. Typical examples bring $3,400-3,700; fully restored units with NOS tubes approach $7,000.
MSRP
—
Original list price not on record.
Used market · Very Good
$3,600
as of Aug 15, 2026
MSRP to used market
Price history will fill in as sales are recorded.
Specifications
- Type
- tube power amp
- Inputs
- RCA line-level
- Outputs
- 4/8/16 ohm speaker taps
- Topology
- 6L6GC push-pull, Unity Coupled output transformers
- Weight
- 52 lbs
- THD
- 0.5%
- Power output
- 40 watts per channel
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