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Drake R8B Shortwave Receiver

Listed In Category: Electronics > Radio Equipment
Secondary Category: Electronics > Other Electronics
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Ad Information
Classified Id TEJZUTHW
Asking Price $ 450.00 USD per item
Quantity 1 item (used condition)
Tax Taxes are not applicable
Shipping & Handling
Seller will ship to North America (Canada & United States)
Free Shipping Paypal users only.
Payment Terms
Payment in advance only
Seller accepts:
PayPal  
Posted Date14-May-2008 08:02:36 PM EST
Expiration Date 13-Jul-2008 08:04:55 PM EST
Seller Information
Ezln member since 14-may-2008
View Springfield Classifieds Springfield, Illinois, USA
The seller is no longer accepting offers for this item.
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Classified Details
Specifications:
Alphanumeric liquid crystal display provides for programmable display of station name in addition to frequency.
Direct entry of mode and bandwidth selection via keypad
Selectable sideband, synchronous AM detector for improved quality of received AM signals, especially under severe fading conditions.
Extensive frequency range (100 kHz to 30,000 kHz
Additional VHF bands (35 - 55 Mhz and 108 - 174 Mhz) with optional VHF converter
Five built-in filter bandwidths (6.0, 4.0, 2.3, 1.8, and 0.5 kHz
1000 programmable channel memories
Selectable kHz and MHz display modes
Choice of three tuning step sizes
Multiple scan functions: carrier, time, or seek modes
Scan between frequencies or selected memories
Two operating VFOs
Built-in pre-amp and attenuator
Built-in noise blanker
Pass band offset for better rejection of nearby interfering signals
Selectable AGC for improved reception of fading signals
Built-in, multi-voltage power supply
RS-232 serial interface for remote control of receiver functions
Dual time zone clock
Two event timers
Sequential tuning through all memory preset channels
Multiple antenna inputs
Built-in speaker
Connections for an external speaker and tape recorder
Made in the U.S.A.

Technical specifications

Frequency Range:10 - 30,000 kHz

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

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)

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

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

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

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

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

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

AM, LSB, USB, RTTY, CW modes:

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 Hz @ -6 dB, less than 1.5 kHz @ -60 dB

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


Ultimate Selectivity: Greater than 95 dB

Image Rejection: Greater than 80 dB, 100-30,000 kHz
IF Rejection: Greater than 80 dB, 45 MHz Greater than 100 dB, 50 kHz

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)


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
First IF: 45 MHz
Second IF: 50 kHz
Tuning Step Sizes: 10 Hz
AGC Threshold: 0.8 µV
Attack Time: 1 mS
Release Time: SLOW: 2 Sec - FAST: 300 mSec Less than 4 dB change in audio output for 100 dB input change ref. AGC threshold
Antenna 1, Converter: 50 Ohms unbalanced
Antenna 2: 50 or 500 Ohms unbalanced
Notch Filter Attenuation: AF type, 40 dB min. (500-5000 Hz)
External Speaker Output: 2.5 W, 4 Ohms @ less than 5% distortion
Line Outputs: 300 mV, 4.7 K Ohms
AC Power Requirements: 100/120/200/240 VAC, ±10% 50 or 60 Hz, 40 Watts nominal
DC Power Requirements: 11-16 VDC @ 2 amp
Operating Temperature: -10º to 50º C
Weight: 13 lbs. (5.9 kg)
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