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How about a HQ-145?




 
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Author Topic: How about a HQ-145?  (Read 5784 times)
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NR5A
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« on: June 10, 2010, 07:41:01 AM »

What do you think about a HQ-145 to go wiyh my Viking Ranger? Would be used for CW & AM?

Jerry - NR5A
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K1ZJH
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« Reply #1 on: June 10, 2010, 07:33:07 PM »

A friend gave me a nice clean 145X several years ago. I found that one of the dual frequency IF transformers suffered silver mica disease and arced and shorted; burning up the plate resistor. The plastic coil bobbin fell apart when I tried working on it. Went into storage, and will most likely rot there. Otherwise most of the reviews say it is an "ok" receiver for casual use.

Pete
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KM1H
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« Reply #2 on: June 10, 2010, 08:01:24 PM »

I have the one that JN saddled me with at Nearfest maybe 2 years ago Roll Eyes

Actually it works well but its been mostly a shelf queen.

Carl
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WQ9E
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« Reply #3 on: June 10, 2010, 08:32:08 PM »

The first HQ-170 I bought suffered from the IF cap problem.  For a short time Hammarlund built the caps in as part of the transformer and they were open construction which is a recipe for disaster.  Pretty easy to repair since modern dipped mica caps are so small.

I have never used the HQ-145 but it looks decent.  I guess it is a step down from the HQ-140/150/160 with its smaller number of ranges (and probably less complex tuning capacitors).
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Pete, WA2CWA
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« Reply #4 on: June 10, 2010, 11:54:11 PM »

The first HQ-170 I bought suffered from the IF cap problem.  For a short time Hammarlund built the caps in as part of the transformer and they were open construction which is a recipe for disaster.  Pretty easy to repair since modern dipped mica caps are so small.

I have never used the HQ-145 but it looks decent.  I guess it is a step down from the HQ-140/150/160 with its smaller number of ranges (and probably less complex tuning capacitors).

The HQ-140 series and the HQ-150 were single conversion receivers.

The HQ-145, 145A, and the HQ-160 were double conversion receivers. HQ-160 also had a crystal controlled second oscillator. All were single conversion below 10 MHz. Main difference between 145 and 145A was the addition of a hinged top cover on the cabinet.
HQ-140, 145, 150, and 160 all tuned from .540 to 31 or 30 MHz.

All the HQ-170's (170, 170A, 170A-VHF) were triple conversion with double conversion below 7 MHz.
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Pete, WA2CWA - "A Cluttered Desk is a Sign of Genius"
KA2DZT
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« Reply #5 on: June 11, 2010, 02:30:35 AM »

The first HQ-170 I bought suffered from the IF cap problem.  For a short time Hammarlund built the caps in as part of the transformer and they were open construction which is a recipe for disaster.  Pretty easy to repair since modern dipped mica caps are so small.

I have never used the HQ-145 but it looks decent.  I guess it is a step down from the HQ-140/150/160 with its smaller number of ranges (and probably less complex tuning capacitors).

Hammarlund receivers are known for bad IF xfmrs.  In the sixties I would order replacements from Hammarlund.  In later years I would repair the xfmrs.  Some xfmrs, if I remember correctly, have the caps built into the plastic base.  These can also be repaired.

I still have a HQ-110 that, so far, seems to be OK but, I don't use it very often.

I also have a Hammarlund SP-210 (BC-1004), it has the the big jumbo IF cans, built to withstand bomb blasts.

The only Hammarlunds that I would ever consider acquiring would be the early ones that have the jumbo IF cans.

I use, as my main station receivers, a National HRO-M (1940) and a NC-183D.

Fred
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The Slab Bacon
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« Reply #6 on: June 11, 2010, 08:18:22 AM »

I had one and sold it. I thought it's performance was a bit dissapointing for one of their "higher end" receivers. If you want to go with a "gray faced" Hammurlund, IMHO, the HQ-160 is my favorite, but a bit hard to find.

                                                          the Slab Bacon
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