Hammond vs. Sowter
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Hammond vs. Sowter
by Blair » Thu Aug 01, 2013 6:39 pm
You may not find this as amusing as I do, but I got a pair of Hammond 1650T outputs recently and for grins sat them next to these 200W Sowters. Not bashing the Hammonds. They are a beefy chunk of iron, but look at the Sowter! I know they have an 80W difference, but these Sowters are almost if not heavier than the 1650Ws I have used in the past.
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Re: Hammond vs. Sowter
by Geek » Fri Aug 02, 2013 5:53 pm
Comparing a Hammond to a Sowter is like comparing a Ford Focus to a Mercedes - you just can't do it 
-= Gregg =-
Fine wine comes in glass bottles, not plastic sacks. Therefore the finer electrons are also found in glass bottles.
Fine wine comes in glass bottles, not plastic sacks. Therefore the finer electrons are also found in glass bottles.
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Re: Hammond vs. Sowter
by Blair » Fri Aug 02, 2013 6:17 pm
LOL! Yeah, I know, but it's not every day you get to see them next to each other, or at least I usually can't afford to:)
The 1650T is for a PPP 6CB5A pentode amp.
The Sowter is for PPP UL KT120s.
Should be a fun comparison.
The 1650T is for a PPP 6CB5A pentode amp.
The Sowter is for PPP UL KT120s.
Should be a fun comparison.
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Re: Hammond vs. Sowter
by soundbrigade » Fri Aug 02, 2013 8:21 pm
It's not only the size that matters - strokes per seconds matter too ... 
... I mean the frequency ... 
... I mean the frequency ... Magnus
"It is always more difficult to fight against faith than against knowledge."
"It is always more difficult to fight against faith than against knowledge."
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Re: Hammond vs. Sowter
by Gingertube » Tue Aug 06, 2013 11:21 pm
I ran a quad of Ultralinear connected KT88 into a Hammond 1650T with a 510V rail.
122 Watts RMS out at just below clipping, 138W RMS in heavy overdrive.
Frequency response at 50W RMS Output (none of this response at 1 W rubbish) was -3dB at 68kHz. On the low end it was flat down to 22Hz with severe waveform distortion setting in at about 18Hz due I believe to core saturation although it may just have been severe 2nd Harmonic distortion as the Impedance due to the primary inductance dipped to similar or lower value than the rp of the output tubes.
Wonder how it would have gone with the Sowters?
Cheers,
Ian
122 Watts RMS out at just below clipping, 138W RMS in heavy overdrive.
Frequency response at 50W RMS Output (none of this response at 1 W rubbish) was -3dB at 68kHz. On the low end it was flat down to 22Hz with severe waveform distortion setting in at about 18Hz due I believe to core saturation although it may just have been severe 2nd Harmonic distortion as the Impedance due to the primary inductance dipped to similar or lower value than the rp of the output tubes.
Wonder how it would have gone with the Sowters?
Cheers,
Ian
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Re: Hammond vs. Sowter
by Blair » Wed Aug 07, 2013 7:52 pm
:) we will see. I'm going with PPP KT120s, and have access to gear to test distortion and freq response.
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