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Tag Archives: Bose
Bose Active Equalizer Model 800 Repair – Bose 800 Active Equalizer
A new one for the shop, I recently worked on a Bose Active Equalizer model 800. This is very similar to the Bose 901 Series II active equalizer; the 800 series were Bose’s PA speaker series from the same model … Continue reading
Bose Equalizers on eBay Need Service Too: A Photo Comparison
You’ve had your Bose 901 Series I or Series II speakers in storage for a few years, the Active Equalizer packed away with them and now you’ve pulled them out to set up your vintage system once again. Great – … Continue reading
Posted in Audio, Bose, Electronics, Hi-Fi, Stereo, Vintage
Tagged Active Equalizer, amplifier, Bose, Bose 901, capacitor, capacitor replacement, eBay, Equalizer, hi-fi, non-working, rebuild, repair, restoration, vintage, working
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Bose 901 Series I Active Equalizer #30924 Repaired
I recently got to work on another Bose 901 Series I Active Equalizer, Serial #30924, which needed some service. It’s coming from the original owner who purchased them new in 1970, they went into storage about 10 years ago when … Continue reading
Posted in Audio, Bose, Electronics, Projects, Stereo, Vintage
Tagged Active Equalizer, Bose, Bose 901, capacitor, capacitor replacement, Equalizer, repair, restoration, Series 1, series I, vintage
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The Speaker Spotter – Speakers of Craigslist – March 14th, 2014
There’s always something interesting for sale on Craigslist, especially in Seattle. Here’s a selection of especially notable vintage speakers and other audio products for sale on the local Craigslist. I’m not affiliated with any of these sales, but if you’re interested, you … Continue reading
Posted in Audio, Collections, Photos, Speakers, Stereo, Vintage
Tagged 12W, 15W, Active Equalizer, Akai, altec, altec lansing, Bose, Bose 901, cornwall, Craigslist, Duchess, E-V, Electro-Voice, Electrovoice, Equalizer, EV, heresy, heresy II, KG4, Klipsch, Regency, S-1117, Sansui, series I, series II, series IV, Series V, SKO, SP-100, SP-12, SP12, speaker, speaker spotter, speakerlab, Speakers, speakers of craigslist, SW 177, T25, T25A, T35, The Duchess, Voice of the Theater, Voice of the Theatre, W-35, WD-35, Wharfedale
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Bose 901 Series II Active Equalizer #120325 Repaired
I recently had the opportunity to work on another Bose 901 Active Equalizer, Series II. This particular model had been in service for a long time in active use and was showing its age. It was sent back to Bose … Continue reading
Posted in Audio, Bose, Electronics, Projects, Stereo
Tagged Active Equalizer, Bose, Bose 901, capacitor, capacitor replacement, Equalizer, hi-fi, repair, Series 2, series II, vintage
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The Speaker Spotter – Speakers of Craigslist – March 7th, 2014
There’s always something interesting for sale on Craigslist, especially in Seattle. Here’s a selection of especially notable vintage speakers and other audio products for sale on the local Craigslist. I’m not affiliated with any of these sales, but if you’re interested, you … Continue reading
Posted in Audio, Collections, Photos, Speakers, Stereo, Vintage
Tagged Allison, Allison One, Bose, Bose 601, Corner Horn, Craigslist, Fisher, Fisher XP95B, Infinity, Infinity Kappa 8, Infinity RSe, k horn, Kappa 8, kenwood, KL-333D, KL-777A, klipschorn, LS-20, Marantz, Marantz LS-20, OA-14, photo, photos, RSe, series III, Seven, Six, Sonab, Sonab OA-14, speaker, speaker spotter, speakerlab, Speakers, speakers of craigslist, Super Seven, vintage, XP95B
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Bose 901 Active Equalizer #20262 Repaired!
This Bose 901 Series I Active Equalizer came to me from North Carolina, where it had been stored in original packaging for many years. Unfortunately even with careful storage the equalizer wasn’t in running condition and it looks like the … Continue reading
Posted in Audio, Bose, Electronics, Projects, Stereo, Vintage
Tagged Active Equalizer, Bose, Bose 901, capacitor, capacitor replacement, Equalizer, repair, Series 1, vintage
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Bose 901 Series I Early Production Equalizer Full Repair
I just had another Bose 901 Series I equalizer through the shop for the standard service. It didn’t have a visible serial number, but is definitely a very early production version. The Active Equalizer was revised once through the model’s … Continue reading
Posted in Audio, Bose, Electronics, Projects, Stereo, Vintage
Tagged Active Equalizer, Bose, Bose 901, capacitor, capacitor replacement, Equalizer, repair, Series 1
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Bose 901 Series I Equalizer #48830 Repaired
I recently had another Bose 901 Series I equalizer in for the standard repair service. It was from the later part of the Second Production run and so had a mixture of capacitor packages depending on the value. It looks … Continue reading
Posted in Bose, Electronics, Projects, Vintage
Tagged Active Equalizer, Bose, Bose 901, capacitor replacement, Equalizer, Series 1, series I, vintage
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Bose 901 Series I Early Production Active Equalizer #1056 Repaired
It must be the season because another Early Production active equalizer turned up to be repaired! This is the earliest equalizer I’ve yet seen, too: Serial 1056. It’s in for the standard overhaul to replace long since failed capacitors and … Continue reading
Posted in Audio, Bose, Electronics, Projects, Vintage
Tagged Active Equalizer, Bose, Bose 901, capacitor replacement, repair, Series 1, vintage
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