Audio
Audio projects
Site Listings
12V powered Audio Amplifier
12W amplifier
A fool-proof VOX
A Potpourri of Audio Amplifiers
A switched Capacitor Audio Filter
An Audio Selection Panel in the Shack
Analyzing SSB Signal Quality in CQ WW Contest
Audio Cables
Audio Compressor for SSB
Audio CW Filter
Audio filters and speakers
Audio Mixer
Audio Preamp
Audio processor for SSB transceiver
Audio spectrum analyzer pop
Audio Spectrum Analyzer - OscilloMeter pop
Audio Speech Compressor Curcuit
Automated Voice announcements over RF
Bass EQ Pre Amp
Bluetooth Audio and Amateur Radio
Build An Audio Speech Processor
Communication Speakers
Design Guidelines for JFET Audio Preamplifier Circuits
Designing Op Amp Audio PreAmplifiers
DIY Ham Radio Loudspeaker
DSP Speaker project
External Audio Equalizers
Flex Radio Power SDR Transmit Audio Settings
FT-726 AUDIO Modifications
FT-817 Audio Speech Compressor: Boosting Signal Power with SSM2165
FT-897D Audio processing and ALC operation
Heil Microphones DSP Settings
Hi-FI Audio with Yaesu FT-2000
Icom DSP Settings and Pin Connections
Improving the audio on the ICOM IC-27
Improving transmission Intellegibility
Integrated Circuit Audio Amplifiers
JRC NVA-88 Modification
Kenwood DSP Settings and pin connections
Low Pass Audio Filter
Low Power LF Amplifier
Mic Pre Ampllifier
Microphone sensivity calculators
N2RIT audio chain
No More Splatter
RF Speech Processor
Setting Up A Record and Playback System
SO2R Speaker and Paddle Switching
Soundcard Audio Tools and Toys
Speaker placement
Speech Intelligibility
The CW Flea: Modern Morse Transmitter with Arduino
Transistor Audio Preamplifier Circuits
Transmit Audio Settings on the Kenwood TS-990
Yaesu DSP Settings and Pin Connections
Yaesu FT-1000D HiFi SSB Audio and Mods
Yaesu FT-817 Audio Enhancement: Heathkit-inspired Homebrew Project
A 12V powered, 4x15 Watt quad audio amplifier
Hits: 394
ON6MU 12 Watt amplifier schematic
Hits: 548
| Votes: 2 | Rating: 8.5
A circuit which had been used in many other application before The configuration described here ...
Hits: 1479
A collection of audio amplifier projects by N1HFX
Hits: 589
Here is a rather nice audio filter for use with Ham Radio gear It features ...
By: AA8C
Hits: 80
On this page you will find one of my designs An Audio Selection Panel ASP ...
By: PE2ER
Hits: 141
| Votes: 2 | Rating: 7.5
This article investigates SSB signal quality during the CQ WW 2015 SSB contest It highlights ...
By: OH6LI
Hits: 45
Article with answers to common questions as what cable types to user cable length how ...
By: wadarc
Hits: 271
Build an audio Processor and clipper optimised for SSB transmitter
Hits: 1465
| Votes: 1 | Rating: 1
A very effective AF Adaptor with built in noise blanker and 30 Hz CW filter ...
Hits: 1529
| Votes: 3 | Rating: 5.67
Review of common audio speakers for mobile setups
Hits: 538
An homebrew audio mixer for the ham shack by GW6ITJ
Hits: 752
| Votes: 2 | Rating: 2
Easy circuit that provide good gain to weak audio signals
Hits: 3828
| Votes: 2 | Rating: 3.5
This circuit consists of microphone amplifier and a high pass filter Suitable to improve signal ...
Hits: 1450
| Votes: 1 | Rating: 1
Analyzes audio from 10 Hz to 20 kHz input from microphone or wave file Variable ...
By: WD6CNF
Hits: 30328
| Votes: 55 | Rating: 3.77
Audio Spectrum Analyzer for Real time FFT OscilloScope Frequency counter voltmeter noise and distortion meter ...
By: Oleg Ya. Shmelyoff
Hits: 89875
| Votes: 329 | Rating: 6.21
Many low power SSB rigs and kits lack dedicated speech processor circuitry although most modern ...
By: RAS Norwich
Hits: 69
Automated voice announcements project built to have an automated way to deliver club announcements via ...
By: VE6lk
Hits: 67
| Votes: 1 | Rating: 10
A Bass Eq Pre amplifier for high impedance PU by ON6MU
Hits: 454
| Votes: 1 | Rating: 10
Bluetooth headsets are very common with cell phone users As such many amateurs may already ...
Hits: 4253
| Votes: 10 | Rating: 6.6
When one operates at low power on SSB speech processing becomes almost essential to get ...
Hits: 4094
| Votes: 13 | Rating: 7.3
Have you searched and searched for a good speaker for your ham radio That perfect ...
By: K3DAV
Hits: 559
| Votes: 3 | Rating: 5.67
Design Guidelines for JFET Audio Preamplifier Circuits By Mike Martell
N1HFX
Hits: 649
| Votes: 4 | Rating: 1
Design guidelines for Op Amp audio preamplifier circuits by Mike Martell N1HFX
Hits: 1649
| Votes: 4 | Rating: 3.25
An interesting article on how build an optimal sounding communications loudspeaker capable to optimize sound ...
By: PA0NHC
Hits: 547
Build this noise reducing system to enhance audio of your speaker A project by kg4jjh ...
Hits: 596
An excellent guide on choosing external audio equalizers by K3DAV
By: K3DAV
Hits: 384
AB4BJ optimizing audio settings on the flex 5000A and heil microphones
Hits: 497
| Votes: 1 | Rating: 10
Throughput improvement for the FT726R - Tapr PSK modem
Hits: 822
Designed for the FT 817 this audio speech compressor centered on the Analog Devices SSM2165 ...
By: AD5X
Hits: 67
Audio processing and ALC in the FT-897D
Hits: 2724
| Votes: 4 | Rating: 3
How adjust DSP settings for your trasmitter when using Heil Sound microphones
Hits: 525
| Votes: 1 | Rating: 1
Setup for the Yaesu FT-2000 by John K3UR
Hits: 1839
ICOM audio DSP settings and pin connections for heil sound headphones
Hits: 738
| Votes: 1 | Rating: 1
Make an otherwise fine radio even better change one resistor and one capacitor in the ...
By: wb4kdi
Hits: 45
Improving the intelligibility of an SSB transmissions What is important when processing speech Which bands ...
Hits: 560
| Votes: 1 | Rating: 6
Circuit designs for IC audio amplifiers by N1HFX
Hits: 425
Adding 2 RCA inputs 1 high impedance filtered audio output RCA 3 3 HIGH PASS ...
By: JRC
Hits: 56
Kenwood radios audio DSP settings for Heil Sound headphones
Hits: 678
| Votes: 2 | Rating: 2.5
440 Hertz peaked low pass audio filter experiments
Hits: 921
| Votes: 1 | Rating: 7
ON6MU Low Power amplifier
Hits: 860
| Votes: 1 | Rating: 8
A microphone preamplifier schematic for hand-helds by ON6MU
Hits: 1678
| Votes: 3 | Rating: 6
Mic online calculator , Microphone Dynamic Range Calculator, Microphone Sensitivity Calculator
Hits: 422
| Votes: 4 | Rating: 3.75
Audio setup at N2RIT built around the Yaesu FT 950 abd the Heil Sound PR ...
Hits: 645
Improving your own signal quality by GM3SEK
Hits: 501
RF Speech Processor project with complete schematic by Jagodic YU1OXB
By: Dr Bora Jagodic
Hits: 868
| Votes: 2 | Rating: 9.5
Sending the Audio from the Receiver to the Recorder from the Recorder to the EQ ...
By: NU9N
Hits: 292
This project enables the transition from DX to contest mode smoother by automating hardware configuration ...
By: AC0C
Hits: 19
Soundcard audio tools and toys experimental ideas and utilities Signal Generator Frequency counter instrument tuner ...
Hits: 14640
| Votes: 16 | Rating: 7.75
Guidelines for optimal speaker placement inside our ham radio shacks
By: Delta Alfa
Hits: 625
Articles published by the Radio Society of Great Britain basic principles construction of a simple ...
Hits: 445
| Votes: 1 | Rating: 10
Reviving the spirit of early ham radio experimentation the CW Flea is a contemporary Morse ...
By: KB9RLW
Hits: 103
| Votes: 2 | Rating: 3.5
Design Guidelines for Bipolar Transistor Audio Preamplifier Circuits By Mike Martell N1HFX
Hits: 1822
| Votes: 3 | Rating: 4.33
Optimizing audio settings on the Kenwood TS-990 by AB4BJ
Hits: 734
| Votes: 1 | Rating: 1
Yaesu DSP audio settings for Heil Sound headphones
Hits: 648
Using Hi-Fi Audio with FT-1000. Includes many FT-1000D modifications too by K6JRF
Hits: 4832
| Votes: 9 | Rating: 5.44
Inspired by Heathkit author aimed to enhance his Yaesu FT 817 with audio and RF ...
By: KG4JJH
Hits: 85
| Votes: 1 | Rating: 2