Heathkit SB-221

Desktop Shortwave Linear Amplifier

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Upgraded version from the Heathkit SB-220

Frequency range

RX-range
?
TX-range
10-80m
HAM bands
?
Stability
?
Tuning steps
?
Filters
?

Receiver

Modulations
-
Sensitivity
?
Selectivity
?
Receiver system
?
IF-frequencies
?
Image rejection
?
Audio output
?

Transmitter

Modulations
CW   SSB  
RF-Output
SSB: 2 kW PEP, CW: 1 kW (with 100 W drive)

Connections

Antenna
SO-239
Impedance
50/75Ω

Electrical

Power requirements
Mains
Current drain RX
?
TX
?

Physical

Dimensions (w×h×d)
378 × 209 × 398 mm (14.88 × 8.23 × 15.67 in)
Weight
?
Form factor
Base Station
Manufactured
Between 197x and 197x in USA
MPN
HEATHKIT-SB-000221

Other features

Memories
?
Usage
Amateur / Ham radio operators
Features + options
?
Accessories
?

Manuals, diagrams and brochures

No documents available for this particular model.
 
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Reviews & stories

SB-221

Heathkit SB-221, Desktop Shortwave Linear Amplifier

I used this amp for about 3 years - It was modified by the factory 10 meter kit, so it technically was equivalent to the SB220. It was a real workhorse and I did all the Harbach mods except the parasitic oscillation kit because it is no longer available. Great rig, I used it primarily on 80/40 CW and it loafed along at 1kw (that includes the 100W drive as this is a grounded grid linear). Care must be taken when purchasing one sight-unseen as some have been hacked apart for 11m CB operation and are real turds if you end up with one...the sellers on eBay of these items are less than honest and you need to be familiar with what a good amp should look like inside...

Written by W6TMV on Jun 9, 2010

Overall
 
Performance
Build quality
Features
User friendlyness
Value for money
Aquired
Good condition in 2007
USD 650.00

New and second-hand prices

Estimating the value of a rig can be challenging. We collect prices paid by real hams over the years to help you estimate the value of new a used Heathkit SB-221. Just bought or sold this model? Let us know what you traded it for and help other ham operators!

Based on historic data, today's second-hand price of the Heathkit SB-221 is around:

  • USD 205.00
Year Historic price Condition Submitted by
2008 USD 650.00 Used / Good W6TMV
1988 USD 600.00 Used / Good K9EQ

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