pa speaker
23 links
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Antennas : CobWeb- Cobweb Antenna
- A home made cobweb antenna project made with easy to find parts 2-14 AWG speaker cables which are cut to 1/2 wavelength for each band and junction box with 4:1 Balun
[ Hits: 261 | Votes: 4 | Rating: 10 ]
- Speaker Wire Doublet Antenna
- A portable wire antenna for the HF bands, made with a common speaker wire.
In its natural form, the speaker wire acts as parallel feed line coming up to the bottom of the PVC feed point. From there, it's split into two wires, one heading out each side of the PVC tee.
[ Hits: 390 | Votes: 4 | Rating: 9 ]
- Antique Radio Store
- Based in San Diego CA, collectible radios, test equipment, tubes, antique radio parts, speakers and kits
[ Hits: 2412 | Votes: 4 | Rating: 7 ]
- Sparkmuseum
- Vintage radio and scientific apparatus by john jenkins, include antique radios, Horn Loudspeakers, Vacuum Tubes, A.C. Receivers
[ Hits: 340 | Votes: 0 | Rating: 0 ]
- Play Things of Past
- Vintage tubes, radios, parts, radio books and magazines, old telephones, speakers, phonographs, etc. Retail store in Cleveland, Ohio
[ Hits: 3875 | Votes: 18 | Rating: 3.83 ]
- Antique Radio Repair and Speaker Reconing
- Servicing radios made in the 1930's, 40's and 50's. Speaker reconing for vintage and modern speakers.
[ Hits: 4714 | Votes: 1 | Rating: 8 ]
- The Speaker Shop Antique Speaker Repair
- Specializing in vintage and antique speaker repair,recone and restoration.
[ Hits: 889 | Votes: 11 | Rating: 9.18 ]
- Antique and Vinatge Speaker Repairs
- Antique and Vintage Speaker Restorations for over 35 years. Grunow,Atwater Kent,Fairbanks Morse,McMurdo, Stewart Warner,to name a few.
[ Hits: 175 | Votes: 1 | Rating: 10 ]
- International Components
- International Components Corporation has an extensive range of electronic components consisting of audible signal devices, speakers, microphones, capacitors, electron tubes, connectors, and accessories designed in recognition of the diversity of applications and special characteristics encountered by designers in today's complex world.
[ Hits: 1721 | Votes: 0 | Rating: 0 ]
- SM1000 FreeDV Adaptor
- The SM1000 allows you to run FreeDV without a PC. Connect the SM1000 to your SSB radio, and you now have Digital Voice (DV). You don’t have to buy a new radio to run Digital Voice! It’s based on a STM32F4 micro-controller, has a built in microphone, speaker amplifier, speaker, and transformer isolated interfaces to your radio.
[ Hits: 124 | Votes: 0 | Rating: 0 ]
- Electronic Goldmine
- Electronic components dealer, semiconductors, switches, leds, motors, solar energy, ferrites, toroids, capacitors, batteries, jacks and plugs, microphones, meters, power supplies, speakers, transformers, wire and more
[ Hits: 1945 | Votes: 2 | Rating: 9.5 ]
- SpeakerRepair.com
- Speaker repair, reconing, re-edging, speaker parts, DIY re-edge kits.
[ Hits: 785 | Votes: 7 | Rating: 7.43 ]
- Human Speakers
- Specializing in speaker manufacture and repair.
[ Hits: 689 | Votes: 2 | Rating: 6.5 ]
- HF Weather Fax
- HF Weather Fax for Android decodes weather fax 120/576 charts and satellite images through the microphone of your Android phone or tablet.
Just set your phone or tablet next to the speaker of your marine radio or any other shortwave receiver with sideband capability and start recording weather charts and images
[ Hits: 2310 | Votes: 9 | Rating: 5.67 ]
- WD6CNF DSP Filter
- Audio Digital Filter, two bandpass filters, three notch filters, two noise filters
graphical setting of filter center frequency and bandwidth Drag vertical lines on top of signal,
Microphone input, speaker output
Mono, 5 kHz bandwidth
[ Hits: 4899 | Votes: 2 | Rating: 10 ]
- Smorse
- Palm OS morse code software, simple morse code sender, sends code on the built-in speaker at 1-80 WPM. Higher speeds are sloppy because of the 10 msec resolution of the internal timer.
[ Hits: 2135 | Votes: 1 | Rating: 1 ]
- 59+ CW
- Freeware Win32 application can be used for sending CW signal to the transceiver over a COM port or simply listening to Morse code on the speaker. The application is very easy to configure and will allow you to you to add new Morse characters set speed, tone, dash, dot, PTT line delay and other parameters. It is also possible to set shortcuts for call, QTH, name, RST and ANY other QSO field.
[ Hits: 25086 | Votes: 35 | Rating: 5.79 ]
- DIY Ham Radio Loudspeaker
- An interesting article on how build an optimal sounding communications loudspeaker capable to optimize sound reproduction at the frequency range from 150 Hz to 3 kHz.
[ Hits: 518 | Votes: 0 | Rating: 0 ]
- An Audio Selection Panel in the Shack
- On this page, you will find one of my designs; An Audio Selection Panel (ASP). The Audio Selection Panel allows you to control 4 Transceivers and hear the audio through the built-in loudspeaker and on an external boomset (combination Microphone/ headset). On or more transceivers can be selected at a time to transmit and/ or receiv
[ Hits: 138 | Votes: 2 | Rating: 7.5 ]
- Headsets Reviews and Observations
- A selection of speakers or headphones for use with amateur radio equipment. Includes an interesting paragraph comparing Dynamic and Electret Condenser Microphones, but also about audio Equalization.
[ Hits: 522 | Votes: 0 | Rating: 0 ]
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