audio preamp

Vintage Electronics - Antique radios and audio sold to collectors and dealers

Vintage Radio & Audio pages - A resource for Collectors and Restorers of Vintage Electronic Equipment.

Johan's old radios - collection of vintage audio equipment

M.V.S.Z AO Svetlana - Audio hi-end tubes for amplifier

18SD001 live streaming - Live streaming audio from 18SD001 locator KM18VA Athens Greece usually online during week-ends

Houston area firefighters live feed - Houston FD live dispatch audio and discussion group

Las Vegas Live Scanner  ^pop - Las Vegas, Nevada Police and Fire Live Scanner

Minnesota - Willmar Police & Fire-EMS Scanner Feed - WILLMAR MN KANDIYOHI CO. Police fire EMS highway dept.

New York Live Police Radio  ^{updated  pop} - Listen to NYC Live Police Radio

Douglas: Live Douglas County Sheriff - Douglas County Sheriff dispatch channel

3840 Audio Archives Priority listing - 80/75 meter Amateur Radio recordings via various online tuners.

K5MQ Ham Radio Audio Recordings - Recordings of DX stations from around the world SSB and CW.

Micro908 Kit - A re-usable control & computing platform for antenna measurement, PSK31 digital modems, audio filtering, signal source & VFO, memory keyer by AMQRP

Getting started on RTTY - A complete guide from the station setup, rtty software customization, tips on tuning rtty signals and setting the proper audio level and filters by Andrew G8GNI M5AEX

IC7000BKT Icom IC-7000 CAT Control - CAT Control for Icom IC-7000 for windows. Management and synchronization of all memory bank, Management filters, volume, tones, DUP, DTCS, import export, audio recording and log frequency and signal,Auto CQ audio for repetitive calls

Natural Radio Listening: Streaming Audio - A page about fascinating Very Low Frequency and natural radio, with lots of streaming audio links from remote receivers. Some experimental stereo pairs around the world.

The Tube Center - Supplying over 2000 different vacuum tube types, valves, grid caps, sockets and capacitors. It is easy for Antique collectors, Ham radio operators, audio enthusiasts, broadcast enthusiasts and amateur radio hobbyists to buy, sell and trade vacuum tubes, electron tubes, audio tubes, valves, grid caps, sockets and capacitors

The RF Shop - Repair HF, VHF and UHF amateur equipment and provide complete repair service for All Audio and .PA Equipment.

AutoRec - AutoRec is windows freeware time based automatic recorder - player for radio broadcast. Auto Recorder will record or play wav audio files, and execute batch or other executable application programs at scheduled times. The primary use for Auto Recorder is automatic, unattended recording and playback of network or other satellite-delivered radio station program material.

QuickMix - Freeware windows program that allows you to store configuration of your audio mixer in a settings file, and to restore the mixer to that state whenever you want. Useful for digital mode operations where different dsp programs may require different audio in and out settings.

Yaesu FT-1000D HiFi SSB Audio and Mods - Using Hi-Fi Audio with FT-1000. Includes many FT-1000D modifications too by K6JRF

HI-FI Audio with Kenwood TS-850SAT - Setup guide for DSP-100 and TS-850

Using ferrite for interference suppression - Excellent guide to using ferrite cores for interference suppression. Understanding and Solving RF Interference and Noise Problems by Jim Brown K9YC Audio Systems Group, Inc. PDF File

SV1BSX Homebrew Corner - Offer a wide range of homebrewing projects mainly for VHF UHF operations. From vhf antennas to preamplifiers, chargers and power supplies

Vacuum Tube Software - The VTDATA software package is a complete vacuum tube manual on your computer. It has all the information you'd expect in a tube manual. VTDATA's database also includes vacuum tubes of historical interest, such as the early "two digit" types (45, 80, etc.) and hi-fi audio types.