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R-8B receiver

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Picture : RL DRAKE

Legendary Drake Performance Puts the World in Your Hands


The Drake R-8B. The premier world band communications receiver that delivers a more complete perspective on the world.

It’s one thing to listen to international broadcasts, but quite another to pull in the far corners of the globe, with the reception necessary to be in the action via short-wave commercial broadcast, ham bands, RTTY or CW. But you want to be there experiencing the world with clarity and definition.

With sophisticated features like selectable sideband, synchronous AM detection, five built-in filters, pass band offset, and 1000 programmable memories, the R8B delivers the world to you. Experts have praised the R8 series for its unsurpassed clarity, audio quality, versatility and range. And hobbyists marvel at the performance and ease of use. The R8B has built upon this fine tradition to bring the world to you with performance that is legendary.

And now you can experience the legendary performance of the Drake R8B risk free. Drake offers a 15-day money back trial on factory direct orders for domestic US customers. Order your Drake world band receiver from the factory today. If you are not impressed by the quality performance and ease of operation, simply return prepaid within 15 days and we’ll refund your money in full, less the original shipping charge. Independent retailers establish their own return policies.

Factory direct price ( 04/1998 ) in US Dollars $1199.00 plus shipping and handling. FOB factory.

Specifications

bulletAlphanumeric liquid crystal display provides for programmable display of station name in addition to frequency.
bulletDirect entry of mode and bandwidth selection via keypad
bulletSelectable sideband, synchronous AM detector for improved quality of received AM signals, especially under severe fading conditions.
bulletExtensive frequency range (100 kHz to 30,000 kHz
bulletAdditional VHF bands (35 - 55 Mhz and 108 - 174 Mhz) with optional VHF converter
bulletFive built-in filter bandwidths (6.0, 4.0, 2.3, 1.8, and 0.5 kHz
bullet1000 programmable channel memories
bulletSelectable kHz and MHz display modes
bulletChoice of three tuning step sizes
bulletMultiple scan functions: carrier, time, or seek modes
bulletScan between frequencies or selected memories
bulletTwo operating VFOs
bulletBuilt-in pre-amp and attenuator
bulletBuilt-in noise blanker
bulletPass band offset for better rejection of nearby interfering signals
bulletSelectable AGC for improved reception of fading signals
bulletBuilt-in, multi-voltage power supply
bulletRS-232 serial interface for remote control of receiver functions
bulletDual time zone clock
bulletTwo event timers
bulletSequential tuning through all memory preset channels
bulletMultiple antenna inputs
bulletBuilt-in speaker
bulletConnections for an external speaker and tape recorder
bulletMade in the U.S.A.

Technical specifications

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Frequency Range:10 - 30,000 kHz

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

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

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Sensitivity: AM: Typical 1.5 µV, 100-30,000 kHz

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(10dB S+N/N) Less than 0.8 µV, 100-30,000 kHz (pre-amp on) (1000 Hz, 30% mod)

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

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Frequency Stability: ± 5 ppm, -10º to 50º C

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Frequency Accuracy: Better than ±100Hz, -10º to 50º C

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Selectivity: 6 kHz @ -6 dB, less than 12 kHz @ -60 dB

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AM, LSB, USB, RTTY, CW modes:

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4 kHz @ -6 dB, less than 8 kHz @ -60 dB

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2.3 kHz @ -6 dB, less than 4.5 kHz @ -60 dB

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1.8 kHz @ -6 dB, less than 3.6 kHz @ -60 dB

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500 Hz @ -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

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Image 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:

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95 dB, 100-30,000 kHz @ 20 kHz spacing, 2.3 kHz IF BW (pre-amp on)

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99 dB, 100-30,000 kHz @ 20 kHz spacing, 2.3 kHz IF BW (pre-amp off)

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Intercept Point:

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+20 dBm @ 20 kHz spacing (pre-amp off)

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+10 dBm @ 20 kHz spacing (pre-amp on)

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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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Tuning Step Sizes: 10 Hz

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AGC 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. (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: -10º to 50º 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