Monthly Archives: May 2014

1937 Detrola 139E Vintage Radio Repair

I just finished a new project over at Rain City Audio – 1937 Detrola 139E Vintage Radio Repair

This Detrola 139E chassis was on my bench recently while the cabinet was being refinished. It’s a striking 1937 radio with an art deco stationized dial with a very large tuning area, and even though it only has 5 radio tubes, it’s a great performer. I replaced the rectifier tube and rebuilt the electronics of the radio followed by testing and an alignment; now it’s very selective and will be a safe and reliable appliance for someone’s home.

Check it out at http://www.raincityaudio.us/blog/1937-detrola-139e-vintage-radio-repair! Continue reading

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Bose 901 Series I Early Production Equalizer #00570 Repair

I just finished a new project over at Rain City Audio – Bose 901 Series I Early Production Equalizer #00570 Repair

This Bose® Active Equalizer is the earliest I’ve ever seen through the shop, serial #570. It’s very hand made and got a complete overhaul, including some upgrades to maximize performance. With all new parts to replace the worn out and failed originals after 46 years, it’s going to sound great for a long time to come.



Check it out at http://www.raincityaudio.us/blog/bose-901-series-i-early-production-equalizer-00570-repair! Continue reading

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Bose Active Equalizer Model 800 #003833 Repair

I just finished a new project over at Rain City Audio – Bose Active Equalizer Model 800 #003833 Repair

Those Bose Active Equalizer model 800 is from the early run of the Bose 800 PA system, which is very similar to the Bose 901 direct/reflecting speaker system. The equalizer had bad noise and distortion in both channels when I got it, but after a repair works and sounds perfect and will last for a long time to come.

Check it out at http://www.raincityaudio.us/blog/bose-active-equalizer-model-800-003833-repair! Continue reading

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1938 Zenith 7-S-363 Repair

I just finished a new project over at Rain City Audio – 1938 Zenith 7-S-363 Repair

This Zenith radio was brought in by its second owner after original parts catastrophically failed. It took a while, but after an extensive electrical overhaul and locating some replacement parts, it looks and sounds fantastic and will play beautiful music for many years to come. “Zenith, the quality goes in, before the name goes on.”

Check it out at http://www.raincityaudio.us/blog/1938-zenith-7-s-363-repair! Continue reading

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Bose 901 Series I Active Equalizer #54925 Repaired

I just finished a new project over at Rain City Audio – Bose 901 Series I Active Equalizer #54925 Repaired

This Bose Active Equalizer #54925 was completely refurbished, received upgraded output capacitors, and sent on to its new home in California where it will sound fantastic for a long time to come.

Check it out at http://www.raincityaudio.us/blog/bose-901-series-i-active-equalizer-54925-repaired! Continue reading

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1950 Crosley 10-139 Vintage Radio Repair

I just finished a new project over at Rain City Audio – 1950 Crosley 10-139 Vintage Radio Repair

This classic 1950s All American Five, the Crosley 10-139 just came through the shop. It was an estate sale find that had some damage from careless handling, but despite a rough past it fixed up nicely and will do a great job bringing in the Mariners games and oldie’s radio for many years to come.

Check it out at http://www.raincityaudio.us/blog/1950-crosley-10-139-vintage-radio-repair! Continue reading

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1958 Sony TR-610 Transistor Radio Repair

I just finished a new project over at Rain City Audio – 1958 Sony TR-610 Transistor Radio Repair

This Sony TR-610 came through the shop to have its electrolytic capacitors replaced. It was a quick service and this iconic 1958 transistor radio came back to life just in time, only having missed a few Mariners games! With up-rated replacement capacitors and a new battery, it will last for a very long time.

Check it out at http://www.raincityaudio.us/blog/1958-sony-tr-610-transistor-radio-repair! Continue reading

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