STATUS - SOLD
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Description :
An old tube preamplifier / tuner that has a long history of around 45 years.

Features :
- Three IF stages. Two limiters. Antenna inputs 300 ohms balanced and 75 ohms unbalanced.
- Can be used for stereo with the addition of an MA5 multiplex adapter that mounts internally.
- There's no MPX light feature when the MA5 is added. FRONT PANEL
- Volume ctrl.
- Mode selector switch: ext stereo, mpx stereo, fm, power off. AFC ctrl: min to max,
- Muting sw: in or out. Tuning ctrl. Zero adj for signal strength and tuning meters behind end caps.
- Signal strength meter. Tuning meter.

Backpanel :
- MPX output. Muting adj. Mono out (2). Stereo in and out. FM ant and to tv set terminals.
- Fuse. AC outlet. Lamp switch: high and low.

Specifications :
Type...............................................Tube Pre Amplifier / Tuner
Tubes..............................................2 x 6BN4A, 12AT7, 4 x 6AU6, 6CS6, 6BN8, 6U8, 6C4, EZ80/6V4.
Sensitivity........................................3.25uV.
Frequency response.........................20 Hz to 20 kHz within 2dB.
Distortion.........................................Less than 3%.
Capture ratio....................................1 to 0.7.
Image rejection.................................better than 80dB.
Hum................................................-65dB.
Audio output.....................................4V. 
Dimensions(w x  d x h)......................15-5/8 x 12-3/16 x 5-1/8 inch (Behind panel)
Weight.............................................21.5 lb.

Miscellaneous :
Made in...........................................USA
Voltage...........................................110V
Sold from........................................1960 to1962
Condition.........................................6 / 10 (Fairly acceptable with much rust)

Reviews :
http://www.analogstereo.com/pdf/sm/McMR65B.pdf
http://www.roger-russell.com/tuners.htm#mr65