[TenTec] Modern version of the Tec Tec Corsair - please Ten Tec!

[Kim Elmore]

I have an HQ-170! My dad W5JHJ (SK) bought it knew in May 1959. It does sound good, however completely different from my TT O2 or my '930S. The audio stage band pass filtering has a lot to do with this. It's amazing what Hammarlund did with LC components!

Kim N5OP

"People that make music together cannot be enemies, at least as long as the music lasts." -- Paul Hindemith

> On Oct 2, 2014, at 7:12, Robert <rmcgraw at blomand.net> wrote:
> 
> Yea, well as long as we are discussing analog audio, my HQ-170AC with its 85 kHz IF and a 6"x 9" oval speaker sounds mighty good. 
> 
> Bob, K4TAX
> 
> 
> Sent from my iPhone
> 
>> On Oct 2, 2014, at 7:42 AM, Rick - DJ0IP / NJ0IP <Rick at DJ0IP.de> wrote:
>> 
>> As nice as its audio was, the KWM-2 would not be very good with today's
>> crowded bands.
>> The famous "Collins mechanical filter" was not really very good by today's
>> standards.
>> A 4-pole crystal filter on 455 kHz is as good or better and of course you
>> can buy 6 or 8 pole filters now.
>> And the DSP filters on lower frequencies are even better, sharper, and have
>> steeper skirts.
>> 
>> As long as we're dreaming, I wish I had 1960's band conditions again!
>> 
>> All things considered, it's hard to beat the Corsair with its combination of
>> good audio and good crystal filters.
>> Newer radios have better filters but worse audio.
>> 
>> For my money, the best compromise is the Eagle.
>> 
>> 73 - Rick, DJ0IP
>> (Nr. Frankfurt am Main)
>> 
>> 
>> -----Original Message-----
>> From: TenTec [mailto:tentec-bounces at contesting.com] On Behalf Of Martin Sole
>> (HS0ZED)
>> Sent: Thursday, October 02, 2014 11:37 AM
>> To: Discussion of Ten-Tec Equipment
>> Subject: Re: [TenTec] Modern version of the Tec Tec Corsair - please Ten
>> Tec!
>> 
>> I've long liked the analogue radio sound. So far my all time fave, just for
>> the audio, is a KWM2 with that big 6x4 speaker, something about that warm
>> sound seems magical. Next up from my current radios would be my Omni V. Not
>> sure how that might differ from the Corsair but whilst generally pleasant
>> it's not in the KWM2 league. Then the Orion 565 and Elecraft K3, bit of a
>> mixed bag these two as they are both very variable but I've not yet been
>> able to recreate the analogue sound. I might need to experiment with
>> amplifiers right at the point the signal becomes analogue. A god analogue
>> audio amp with LTP input and complementary pair output in discrete silicon
>> feeding a big speaker, might sound very different.
>> 
>> The TS940 had good audio too but for me about the same as the Omni V
>> 
>> Martin, HS0ZED
>> 
>> 
>>>> On 02/10/2014 12:03, Barry N1EU wrote:
>>>> On Wed, Oct 1, 2014 at 5:12 PM, John Farler <k4avx1 at windstream.net> wrote:
>>>> 
>>>> I have a Corsair II with the DDS VFO, which works nicely.  I think 
>>>> it's a single conversion though.
>>> 
>>> Normally it converts to 9MHz, then to 6.3MHz, and then back to 9MHz, 
>>> unless you bypass the 6.3MHz PBT i.f. which can be done fairly easily 
>>> but you lose PBT and narrow filters and don't gain much.
>>> 
>>> I agree on the CAT comment.  I always dreamed of adding a CAT port to 
>>> the DDS cpu firmware.
>>> 
>>> 73, Barry N1EU
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