R-8A picture

R-8A receiver

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Picture : RL DRAKE Company

GENERAL

Turn it on, tune it in, and as easy as that, you're hearing world events as they happen… uncensored and complete. And with the R8A's astounding clarity, it's almost as if you're there. In fact, no other receiver puts you closer to the action from the most distant parts of the world. If you're a hobbyist, you'll marvel at the R-8A's simplicity of operation. If you're an expert, you'll admire the high-powered features. The Drake R-8A offers superior performance in a complete package that includes built-in filters and other unique features that have made Drake the foremost name in world band communications . Hailed by leading world band experts for technological excellence, Drake R-8A receivers are packed with features that you won't find anywhere else, even in receivers costing hundreds of dollars more. As our crowning achievement, the Drake R-8A takes this reputation as a top world band value to the next level with added refinements.

•Excellent reception of weak signals in the presence of strong signal congestion .
•A power supply that allows operation virtually anywhere . 
•Flexibility of operating modes . 
•Wide frequency range . 
•Coverage of all world bands, including amateur and marine . 
•Excellent dynamic range . 
•Uncommonly sensible ergonomics, including keypad entry of all functions and large, legible controls . 
•And something you'll find nowhere else - the uncompromising Drake standard of quality in materials, craftsmanship, and
 serviceability. 

SPECIFICATIONS

 

bulletA seven character alphanumeric liquid crystal display provides for customized display of memory channel name in addition to frequency. Display also indicates status of selected operating parameters.
bulletDirect entry of mode and bandwidth selection via keypad for easy and quick selection of receiver operating parameters.
bulletSynchronous detector for improved quality of received AM signals, especially under severe fading conditions
bulletWide frequency coverage (100 kHz to 30,000 kHz). Additional VHF bands (35-55 MHz and 108-174 MHz) with optional VHF converter.
bulletFive built-in bandwidths for reception of signals under virtually any conditions
bulletNon-volatile memory for information retention during power outage.
bullet440 channel memory capacity for storing of frequency, band, and mode data
bulletSelectable kHz or MHz modes for entering and displaying frequency.
bulletMultiple scan function, for scanning by carrier, time, or seek modes of frequency or selected memories.
bulletTwo operating VFO's for increased flexibility and convenience
bulletBuilt-in pre-amp and attenuator for improved reception of extremely weak signals, as well as very strong signals
bulletBuilt-in noise blanker for reduced electrical interference
bulletPass Band
bulletSelectable AGC delay for improved reception of fading signals. Built-in multi-voltage power supply for operation in most parts of the world on nearly any type of power line voltage
bulletRS232C serial interface for remote control of receiver functions. Responds with signal level report
bulletRemovable power cord.
bulletTwo clock timers
bulletSequential tuning through all memory preset channels
bulletBuilt-in speaker
bulletPLL synthesized
bulletMultiple antenna inputs
bulletConnections for an external speaker and tape recorder

TECHNICAL SPECIFICATIONS

bulletMade in the U.S.A.
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Frequency Range: 100-30,000 kHz

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Modes: AM, LSB, USB, CW, RTTY, FM

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Sensitivity: SSB,CW (10 dB S+N/N): Typical 0.5 uV, 0.100-30,000 kHz Less than 0.25 uV, 100-30,000 kHz (pre amp on)

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Sensitivity AM (10 dB S+N/N): Typical 1.5 uV, 100-30,000 kHz Less than 0.8 uV, 100-30,000 kHz (pre-amp on) (1000 Hz, 30% mod)  

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Sensitivity: FM (12 dB SINAD): Less than 0.5 uV, 100-30,000 kHz Frequency

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Stability: +/- 5 ppm, -10 degrees to 50 degrees C

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Frequency Accuracy: Better than +/- 100 Hz, -10 degrees to 50 degrees C

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Selectivity: AM, LSB,USB,RTTY,CW modes:
6 kHz @ -6 dB, less than 12 kHz @ -60 dB  
4 kHz @ -6 dB, less than 8 kHz @ -60 dB  

2.3 kHz @ -6 dB, less than 4.5 kHz @ -60 dB  
1.8 kHz @ -6 dB, less than 3.6 kHz @ -60 dB  
500 kHz @ -6 dB, less than 1.5 kHz @ -60 dB

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FM Only:12 kHz @ -6 dB, less than 25 kHz @ -60 dB

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Ultimate Selectivity:Greater than 95 dB Image

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Rejection: Greater than 80 dB, 100-30,000 kHz

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IF Rejection: Greater than 80 dB, 45 MHz Greater than 100 dB, 50 kHz

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Dynamic Range: 95 dB, 100-30,000 kHz @ 20 kHz spacing, 2.3 kHz IF BW (pre-amp on)
99 dB, 100-30,000 kHz @ 20 kHz spacing, 2.3 kHz IF BW (pre-amp Off)

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Intercept Point: +20 dBm @ 20 kHz spacing (pre-amp off) +10 dBm @ 20 kHz spacing (pre-amp on) Greater than -20 dBm @ 5 kHz spacing

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First IF: 45 MHz

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Second IF: 50 kHz

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AGC Performance threshold: 0.8 µV

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Attack Time: 1 mS

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Release Time: Slow: 2 Sec - Fast: 300 mSec Less than 4 dB change in audio output for 100 dB input change ref. AGC threshold.

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Antenna 1, Converter: 50 Ohms unbalanced

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Antenna 2: 50 or 500 Ohms unbalanced

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Notch Filter Attenuation: AF type, 40 dB min. Depth (500-5000 Hz)

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External Speaker output: 2.5 W, 4 Ohms @ less than 5% distortion

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Line Outputs: 300 mV, 4.7 K Ohms

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AC Power requirements: 100/120/200/240 VAC, +/- 10% 50 or 60 Hz, 40 watts nominal

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DC Power Requirements: 11-16 VDC @ 2 amp

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Operating Temperature: -10 degrees to + 50 degrees C

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Weight: 13 lbs. (5.9 kg)

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Size Height 5-1/4" (13.4 cm) including feet width 13-1/8" (33.4 cm) Depth 13" (33 cm) including front knobs and rear connectors.

 

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(c) 1998-2012 D. PRODUCTS SA/NV - DRAKE is a registered trade mark of R.L. DRAVE COMPANY
No copy of text or image without a written authorization : email: JM CHERRY
Last updated on: 24 Dec 2011