Be aware that class-D (digital) audio amplifiers like this, in combination
with long loudspeaker wires, don't always go so well with amateur radio.
Sometimes they radiate well into the lower short-wave range. Unless of
course, you turn off the stereo whenever you turn on the radio ...
Phil
A low-pass filter on the output works well, and is easy to construct if the
power is reasonable! A 3-pole Chebyshev filter works well.
In the datasheets for these amplifiers there's usually a recommendation to
do as much unless the cable to the speaker is very short (ie. built into the
unit).
73
I have built the Pluto semi-kit from Linkwitzlab and recommend it. It is an
active loudspeakers with an unconventional soundstage and design, look at
http://www.linkwitzlab.com/.
Sverre
LA3ZA
-Sverre, LA3ZA
K2 #2198, K3 #3391
LA3ZA Unofficial Guide to K2 modifications --
View this message
No kits, but very complete information to build your own for several
solid state projects here: http://www.passdiy.com/
73, Ross N4RP
On 4/28/2011 10:36 PM, Johnny Siu wrote:
Thanks for all your replies. However, I forget to clarify that I am looking
for solid state power audio amplifier
Great sounding stuff from a kit.
http://www.bottlehead.com/
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Tripath based diy kit
These sound VERY good and cheeep!
http://diyparadise.com/charlize2.html
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Post:
Hello Group,
We all enjoy our kit building experience from Elecraft. Are there any kit
manufacturers of Hi-Fi audio amplifier (or related audio products) in US? Of
course, I am looking for high quality equivalent to Elecraft.
I am just dreaming an audio amplifier kit from Mark Levinson or
Back around 1955 or so, I built an Altec-Lansing audio amplifier from a kit.
Although that company had a pretty good reputation at the time, this device
wasn't anything to boast about. It used eyelets to interconnect both sides of
the PC boards and many of them had poor conductivity (that
Yes. That WOULD be interesting. Not since Dynaco in the 70's have I
seen a decent Hi-Fi amplifier in kit form.
73, Doug -- K0DXV
On 04/28/2011 07:10 PM, Johnny Siu wrote:
Hello Group,
We all enjoy our kit building experience from Elecraft. Are there any kit
manufacturers of Hi-Fi
Hi,
All I know about these kits is that I was reading about them recently,
they were favorably reviewed, and I saved the company link. With that
disclaimer, the InterStage Mono Block amplifier kit will only run you
$3800:
http://www.audionotekits.com/monob01.html
They have a few other kits,
Thanks for all your replies. However, I forget to clarify that I am looking
for solid state power audio amplifier kits.
TNX 73,
Johnny VR2XMC
從︰ Johnny Siu vr2...@yahoo.com.hk
收件人︰ Elecraft elecraft@mailman.qth.net
傳送日期︰ 2011年04月29日 (週五) 9:10 AM
主題︰ OT: Hi-Fi audio amplifier kit
Hello
Plenty of dynaco amps on eBay with complete rebuild kits from Curcuo Audio ,
audio by Van Alstine , and a few others these two are the best though
Sam kf4yox
Sent from my iPhone
On Apr 28, 2011, at 10:19 PM, Doug Person k0...@aol.com wrote:
Yes. That WOULD be interesting. Not since
On 4/28/2011 7:19 PM, Doug Person wrote:
Yes. That WOULD be interesting. Not since Dynaco in the 70's have I
seen a decent Hi-Fi amplifier in kit form.
I home-brewed a (tube) stereo amplifier from a Dynaco circuit
using their transformers in the early 1960s. It was first
class, but
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