ILP HY50 & ILP HY5 amp modules
5 Attachment(s)
Today I bought a home made disco unit from the boot fair.
Attachment 183396 It has turned out to be a poor buy, very badly put together with some soldering which looks like it was done using lighted matches. Attachment 183397 But It has some interesting amp modules in it. Marked ILP HY50 which is a 25 watt power amp, and a ILP HY5 which is a preamp mixer tone control module. Attachment 183399 Attachment 183400 I have found some technical information on the HY5 on a previous thread posted by ukcol I can find some adverts for the power amp module HY50 Attachment 183401 But I cant find any information on the wiring of the HY50 I am assuming that the connections are fairly straight forward. orange, supply +25v black, supply -25v green, supply ground, input ground, speaker ground blue, speaker white, input Has anyone got the installation manual for the HY50 or can they confirm the pin connections above. Thanks Mike |
Re: ILP HY50 & ILP HY5 amp modules
Not sure it'll help, but there's an ILP HY50 amp listed on the auction site at the moment, with a description that reads as though the seller built it - could be worth asking if they have a copy of the datasheet ?
Alan |
Re: ILP HY50 & ILP HY5 amp modules
1 Attachment(s)
Don't whether it will help or not but here is the application note for the later HY60 module and one of ILP's other products.
Alan |
Re: ILP HY50 & ILP HY5 amp modules
HY50 connections etc...mag page 473&474:
http://www.introni.it/pdf/Sperimentare%201979_05.pdf Lawrence. |
Re: ILP HY50 & ILP HY5 amp modules
Thanks Lawrence, that will be useful, Ill see if I can get that translated.
Mike |
Re: ILP HY50 & ILP HY5 amp modules
Bit of a marathon download at the end of my sister's damp string in darkest Herefordshire 8-o
The HY50 info is clear enough though, it's a circuit diagram. 1 +25V 2 LS out 3 Input 4 Ground 5 -25V |
Re: ILP HY50 & ILP HY5 amp modules
1 Attachment(s)
After a bit of fiddling around with text recognition and google translate I have made a PDF in English of the article in the Italian Magazine.
Just in case anyone else wants some information on these amps. Mike |
Re: ILP HY50 & ILP HY5 amp modules
Magic:thumbsup:
Lawrence. |
Re: ILP HY50 & ILP HY5 amp modules
I have got a couple of those.
They have been fitted in a cheap Dixons own brand amplifier that previously had the output pair on a little board and the remainder of the amplifier on another board. It had obviously oscillated and cooked. The power rails in this box are a tad low and there is a little bit of cross over distortion but still it is all right for computer speakers. |
Re: ILP HY50 & ILP HY5 amp modules
ILP electronics ltd was dissolved in Nov 2018, it would be interesting to know what made them fold
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Re: ILP HY50 & ILP HY5 amp modules
i have some of these modules at the back of the garage i obtained these from a skip after a local radio station threw them away built them into a power amplifier
I remember these being retailed given a good power supply they can sound quite good Trev |
Re: ILP HY50 & ILP HY5 amp modules
Quote:
They went dormant in 2017 and the dissolution was voluntary so it sounds more like petering out than cataclysmic disaster. https://beta.companieshouse.gov.uk/c...filing-history |
Re: ILP HY50 & ILP HY5 amp modules
One of my many boxes of stuff has a variety of those modules in it. I'm sure I had plans for them once.....
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