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RF punch 800a2 channel repair question
Hi forum, I recently bought a punch 800a2 not sure of the board rev # still waiting for it to come. Anyway I wanted to know is it hard to repair the channels on these? This one has one blown channel...
View ArticleLiving the Dream
Hey everybody, I just want to say a big Thank You to the folks who maintain this website, and everyone who contributes their expertise so that others can learn. I got into hi-end audio back in college,...
View ArticleAre Apogees Bass Panels Unrepairable?
I've tried to ask questions on other threads to get help with re-tensioning the loose woofer panel in one of my Calipers, but so far all I've seen is a German how to that shreds the existing panel. The...
View ArticleYamaha CD-1050 Service manual for PCM56P NOS
Do you have or know where I can find a CD-1050 service manual? Looking to do a NOS conversion. It has dual PCM56P DACs and what appears to be a discrete output section (no opamps visible on top of...
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Differential VAS topology Bob Cordell based
Hi everyone, I've designed this circuit, based on one circuit shown in Bob Cordell's book. I wanted to know if this circuit has some advantages compared to normal current loaded VAS topologies. Thank...
View Article2 way OB Loudspeaker - Scan Speak Based
Hi Everyone, First post in a very long time. I want to put forward a design that I would like to build. Drivers I have selected based on there reviews and specifications are: 1x (per side) Scan Speak...
View ArticleUnderstanding transformers and power supplies... a few questions.
So I get the basic gist of what a transformer with dual primaries and dual secondaries or a single primary and dual secondaries is. I have about the same understanding of what windings are in relation...
View ArticleFS: Samsung SOH-DL3 laser pickup with tray
Hi, It is a Samsung SOH-DL3E laser pickup with in-out tray. I bought the wrong type. New and wrap in plastic bag. Please send me PM and leave your email address if you want to have the picture of the...
View ArticleSAP 15
Good day everyone, I bought a Guitar amp China made, now its not working. I open it and found two SANKEN parts that blows. SAP 15N/SAP 15P. I'm about to replace this two SANKEN but I could not found it...
View ArticleWhich plug-in for two speakers + two subs?
Hello! I am thinking of going with either the 2 way advanced 21 or the 2 way advanced. What makes me wonder is that it looks like I can't delay the outputs individually on the 21 but I can do that on...
View ArticleBG Radia 520i midbass drivers?
Does anyone know what 6.5" drivers are used in the 520i?
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saba electro sound
hi guys I have a saba electro sound 400 am wondering if there is any one out there who may have a circuit can't seen to find one any were theres are really good 1960's radio gram :spin::confused:...
View ArticleWhat is happening in phl audio?
Hi Guys I was wondering if anyone would know what is happening at PHL audio. Im trying to get some drivers but without any luck. All the main Distributor/dealers seams to not deal with PHL and cannot...
View ArticleMono poles
Just for interest, Magnetic monopoles discovered by LCN Scientists | London Centre for Nanotechnology Regards M. Gregg
View ArticleThe biggest sun...just if you thought we don't matter!
I found this interesting..:D Largest star ever discovered, compared to our Sun - YouTube Does size matter?:D Regards M. Gregg
View ArticleCD-player: peculiar problem with the laser mechanism...
Day1: the player was stopping in between for couple of seconds and then continued flawlessly...after an hour or so it stopped completely saying `Error'. Thereafter it was not accepting any disc saying...
View ArticleSchematic for the amc 2n100-5 amp
Hi Everyone, I am looking for a schematic for the amc weltronic power amp 2n100-5. has anyone got one they can share? Thanks, Jim
View ArticleIn search of a 8000 watt class d board?
I have a diablo audio technoligies amp (company is no longer) it is the 8.1 and at this point I'm working with the heat sink and need to build some guts for it is this possible can anyone point me in...
View ArticleJeM MG-722
JeM MG-722 High End Luidsprekers Hello, Anyone who have an expirience with these monitors sound share please your impressions . How these compared to Jamo D830 or NorthCreec Pegasus speakers ?
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