EB5AGV's AR-88 page

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AR-88D

These pages are devoted to the RCA AR-88 receiver series. There are some different AR-88 family receivers. The most commonly found are the AR-88D (the unit I have) and the AR-88LF (low frequency version).

These are the frequency bands for each:

AR-88D and LF bands

Band	AR-88D	AR-88LF
1	535-1600kc	77-205kc
2	1.57-4.55Mc	195-550kc
3	4.45-12.15Mc	1.48-4.4Mc
4	11.9-16.6Mc	4.25-12.15Mc
5	16.1-22.7Mc	11.9-19.5Mc
6	22.0-32.0Mc	19.0-30.5Mc

Another difference is that the AR-88D has an IF of 455kc and in the AR-88LF it is of 735kc.

Quoting from the AR-88D manual:

Its features include:

• Mechanical Band Spread with Single Control for ease of tuning a previously logged station
• Automatic Noise Limiter which automatically limits interference to a percentage of modulation determined by the Noise Limiter Control
• Continuously variable High Frequancy Tone Control
• Antenna trimmer for circuit alignment
• Crystal filter for ultra-sharp selectivity when required
• Exceptionally good oscillator stability through normal variations in line voltage
• Four-gang Condenser giving high image ratio on all bands
• Twelve Tuned IF Circuits giving a very high degree of selectivity
• Temperature compensated oscillator circuits on all bands
• Ceramic Insulation throughout on gang condenser, sockets, range switch and selectivity switch
• Tuning Lock for service under extreme conditions of vibration

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