Find:
About Me
Blogs
- AC8JO
- Antique Finds of J&J
- Antique Radio Blog
- Arcane Radio Trivia
- Audio Tweak
- Audioklassiks
- Broadcast Law Blog
- BuildLounge
- Classic Receivers
- Coffman Labs Blog
- Confessions of a Part-Time Audiophile
- Duanes Radios
- EEVBlog
- Engineering Radio
- Glowbugs Times
- Glowbugs Web
- Guitar Fool
- Hack a Day
- HeavyDIY
- High on Solder
- Ilektronx
- KN0CK
- MicroSyl
- Nick's Radio Corner
- Old Stock Audio
- Pragmaddux
- Radio Stuff
- Radio Time Traveller
- Richard Sears, Vintage Electronics
- Seventies Stereo
- The Paleotechnologist
- The Signal Path
- Tube Addict
- TubeSound
Friends
Resources
- 901
- Active Equalizer
- amateur radio
- amplifier
- android
- Antique
- antique radio
- Bose
- Bose 901
- Bose Active Equalizer
- Bose Equalizer
- bose repair
- capacitor
- capacitor replacement
- cost engineering
- Craigslist
- eBay
- electronics
- Equalizer
- fried electronics
- GE
- grunow
- grunow 589
- grunow chassis 5-U
- grunow radio restoration
- ham radio
- hf
- hi-fi
- hifi
- HP
- KN0CK
- old radio
- oscilloscope
- overhaul
- philco
- photos
- power supply
- projects
- radio
- rca
- receiver
- repair
- restoration
- RTL-SDR
- RTLSDR
- SDR#
- seattle
- seattle vintage radio repair
- Series 1
- series I
- series II
- series IV
- shortwave
- soldering
- Sony
- Speakers
- speaker spotter
- stereo
- streaming
- t-mobile
- test equipment
- transistor
- transistor radio
- tube
- Tube Amp
- tube radio
- up-converter
- Upconverter
- vacuum tube
- vintage
- vintage ad
- vintage radio
- Westinghouse
- zenith
Categories
Meta
Daily Archives: June 15, 2015
Bose® 901 Series II Active Equalizer #117185 Overhaul
From the Rain City Audio Repair Blog: Another Bose® 901 Series II Active Equalizer came through for an overhaul and some upgrades. These equalizers are necessary to provide the curve shaping needed to get the great sound the 901 Direct/Reflecting … Continue reading
Posted in Audio, Bose, Electronics, Vintage
Tagged 901, Active Equalizer, Bose, Equalizer, series II
Leave a comment