Improvements in the "A" model include: 
* Improved Ergonomics: Single key presses will select your mode and bandwidth. 
* More Memories: 440 memory positions. 
* Faster Scanning: Scan 40 channels per second. 
* Alphanumeric Display: Program names may be displayed on the front panel. 
* Display & Entry Frequencies: User programmable in kHz or MHz. 
* Cabinet Feet: Front panel tilt via a metal bail. 
* Event Timers/Clocks: Two Timers. The time may be programmed to remain on at all times. 
* Improved AGC: The AGC has a smoother attack for improved SSB listening. 
* Tone Control: Expanded control of high frequency range. 
* FM Receive Mode: New highpass filter to reduce sub-audible tone squelch signals. 
* Line Cord: New detachable power cord. 
* Expanded RS-232 Control: Allows customized reports of frequency, mode, memory, channel, name, and signal strength.
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Based on historic data, today's second-hand price of the Drake R8A is around:
These estimates are based on the following prices: