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.: Audio :.

I want to say one thing right from the start ...
I am not one of those people who talk, only to hear themselves.
I enjoy conversation ... two (or more) sided conversation, and
if we can inject a little whitisizm, humor or sarcasm - all the better!

.: Microphones :.

I have tried a LOT of different microphones over the years.
Everything from Electrovoice, Heil, Sony, AKG,
Audio-Technica and Shure, just to name a few.
I currently own over a dozen!

I have learned that the best microphone (for HAM radio)
is a dynamic mic. A close second, is a condenser mic.
People often balk when I tell them I'm using a cheap condenser.
It only costs around $100 for a large diaphragm MXL-2001.


Sure okay ... I'd love to have an ElectroVoice RE-27 ,
but I can't justify a $700 price tag to own one.

.: Processing :.

In the past I have used as many as six pieces of audio rack equipment.
I look at it as part of a never-ending learning curve.

    What did I learn?
  • Use as few devices as possible, to mitigate the possibility of RFI
  • apply the K.I.S.S. principle! (Keep It Simple Stupid)
Now, I only use two pieces of audio processing equipment.
A mic processor, with a aural/sonic exciter in the side chain.


The Pro Announcer PH-500 microphone processor has a compressor/expander, three band equalizer, de-eSSer, noise gate, and phantom power making it one of the best "on air" mic processors around.

AirCorp is no longer around, making them desirable and hard to find.
Used predominantly in AM & FM broadcasting studios,
when paired up with a good quality microphone,
you'll almost always have good audio.

Click HERE to read a review about the Pro Announcer PH-500

Click HERE for the (really hard to find) PH-500 user manual.
( Warning! ... it's 7.1MB! )

If I were asked for an alternative to this great processor,
I'd recommend the Symetrix 528E with a Aphex 230

Don't waste your time & money on a Behringer mic processor.
The ones I have tried were either noisy or lacked features.

In the side chain ...


The Behringer SX3040 is a 2 channel Sonic Exciter & Sound Enhancement Processor

From the manufacturer:
The SX3040 provides increased clarity and punchy bottom end to your sound system. It improves the natural brightness through harmonic enhancement and adds density to the low frequencies through phase compensation.
  • Produces natural brightness through harmonic enhancement and tighter bass with increased punch through phase compensation.
  • Dramatically improves your sound by adding clarity, dimension and depth.
  • Improves sound systems by adding sparkling high end and super-tight bass.
  • Dramatically increases voice intelligibility and your music gains presence.
  • Adds loudness and "live presence" even on small car or computer speakers
  • Dedicated Tune, Harmonics and Mix controls per channel on the Sonic Exciter section
  • Dedicated Drive, Tune and Mix controls per channel on the Bass Processor section
  • Servo-balanced inputs and outputs with ΒΌ" TRS and gold-plated XLR connectors
The SX3040 is often referred to as the "poor mans" Aphex 204

Click HERE to read a review about the SX3040

Click HERE to read the SX3040 user manual
( Warning! ... it's 4.4MB! )

What about a mixing board?
Since my whole "audio chain" is only one piece with
another in the side chain, I really don't need one.
I can recommend a Mackie 1202VLZ
which has low noise op-amps in it.

Can you improve your audio? ... of course!!
It doesn't have to cost you hoards of money either.
After all ... we as HAM's usually live on a HAM budget.
Don't be afraid or intimidated by the big mean eSSB guys.
Remember, you'll need a radio that can transmit 3 khz
(or more) wide audio to get un-solicited compliments!


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