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New DIY Mid High (90deg) - AKA PM90 February 19, 2020
Mod EDIT: PM90 High Output Mid-High Speaker See starting at post #180 for build diagrams/measurements etc Specifications: 90 x 50 horn pattern 100Hz – 20KHz +/- 1.5dB approx. Ignore the frequency response below about 400Hz. I don’t have a decent space to measure this speaker in. There was also a double 18 used below 100Hz […]
Sounddock series 1 where is the battery? February 19, 2020
Hi, I'm a Bose newbie. I bought an old bose sound dock. It works great when using the mains opera supply but won't charge. The light behind the speaker grille isn't doing anything. I have partially dismantled it looking for the battery but can't see anything which looks like a battery in there. The stuff […]
A not so DIY line array February 17, 2020
I have started work on a small but extremely high quality line-array. I got sick of manufacturers say no you can't use your Powersoft amplifiers and Lake processors, you have to use our special (re-badged and inflated priced) amplifiers. ... so I decided to build my own. Its probably beyond what I would call a […]
60 Degree DIY Mid Hi - AKA PM60 February 17, 2020
Hi Everyone, I have started work on the 60 degree version. Don has helped once again and provided some preliminary CAD drawings. A bit of work is still needed to simplify the construction and finalize the dimensions. The original DIY was a prototype designed to test the design and concept; this time I’m planning to […]
Digico SD8 package February 16, 2020
I have a Digico SD8 package for sale. Details here: DiGiCo SD8-37 with D2-Rack Digico SD8 full-size from 2008 with Core 2 - update and Waves-card. New faders in the master section and a new fader driver board in the right fader bay. Keyboard from 2017. Digico D2-rack 48in/24out from 2019 in a easy lock-rack […]
Adapting soundbar to provide audio from organ to dead zone February 14, 2020
Our church organ is designed with 2 isolated audio channels. I know almost nothing about music or instruments but have been asked to help out on a problem. The two channels of sound are to be kept separated and each use separate speakers. The amp output is 8 ohm on each channel. There is a […]

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