Tag Archives: Bose

Bose Active Equalizer Model 800 Repair – Bose 800 Active Equalizer

Posted on April 9, 2014 by jwk

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 →

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Bose Equalizers on eBay Need Service Too: A Photo Comparison

Posted on March 31, 2014 by jwk

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 →

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Bose 901 Series I Active Equalizer #30924 Repaired

Posted on March 18, 2014 by jwk

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 →

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The Speaker Spotter – Speakers of Craigslist – March 14th, 2014

Posted on March 14, 2014 by jwk

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 →

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Bose 901 Series II Active Equalizer #120325 Repaired

Posted on March 13, 2014 by jwk

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 →

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The Speaker Spotter – Speakers of Craigslist – March 7th, 2014

Posted on March 7, 2014 by jwk

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 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | 1 Comment

Bose 901 Active Equalizer #20262 Repaired!

Posted on March 4, 2014 by jwk

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 →

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Bose 901 Series I Early Production Equalizer Full Repair

Posted on February 24, 2014 by jwk

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 →

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Bose 901 Series I Equalizer #48830 Repaired

Posted on January 8, 2014 by jwk

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 →

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Bose 901 Series I Early Production Active Equalizer #1056 Repaired

Posted on December 21, 2013 by jwk

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 →

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