Grounding the audio inputs at power-up, do you get popping under this test condition?
When you mention a speaker protection ckt, most of them are designed for a ground referenced amplifier, for which a 3116 design being a BTL type, is not, so, the traditional means of measuring DC offset will not work.
When you mention a speaker protection ckt, most of them are designed for a ground referenced amplifier, for which a 3116 design being a BTL type, is not, so, the traditional means of measuring DC offset will not work.
Glad to help out - here's the datasheet for the range : http://www.coilcraft.com/pdfs/rfs1412.pdf
Depending on whether you're powering a 4 or 8 ohm speaker you'll need the first or the third model in the list. Part numbers RFS1412-103ME and RFS1412-223KE respectively.
Depending on whether you're powering a 4 or 8 ohm speaker you'll need the first or the third model in the list. Part numbers RFS1412-103ME and RFS1412-223KE respectively.
Are these more appropriate than the 41Hz ones that were considered an excellent match for output inductor (can someone find the part#?, thanks)
Hey Rsavas,
if there is an audio signal present when powering up there is no speaker bump. But I am trying to make a Bluetooth boombox that has a single on/off switch operating the Bluetooth module and amp at the same time so my friend can leave the volume knob at the optimum listening volume and just operate a switch. This is how I have everything wired...perhaps there is a simple wiring solution...the speaker protection circuit is not show but I tried placing it between the amplifier and speakers and that didn't work.
Attachments
I think the ebay link you posted has printed in red for BTL you need 2 protection pcb's. or something like that. did you try with 2 protection pcb's or 1?
I've got two pcb's but cant figure out how to pass the signal through the protection circuit. Ive tried hooking it up various ways without success....
Maybe this is a strange question but can anyone tell me if these qualify as a "high current" amp? The reason I ask is I am thinking of amps for the Magneplanar MMG's or On Wall MMGW's or MC1's and it seems most people recommend "high current" amps with these.
Thank you for the information,Using a 6 ohm speaker now..ordered both cause
when you don't know what your doing you cover all the bases.🙂
According to Magnepan, the MMG has sensitivity of 86 db and a nominal impedance of 4 ohm - not a particularly difficult drive. Assuming its impedance does not drop big time at some frequency region (e.g. the "infamous" Apogee's ribbon speakers which has impedance drop to 1-2 ohm in the base region - a lot of amp cannot handle that), I think the 3116 should be able to handle it under the usual conditions. Running the 3116 in PBTL mode is probably better. Since the amp is so inexpensive, I would give it a try before spending big bucks on other amps.
My 2 cents.
Regards,
Or you and order the 15 uH ones. By the way, these are through hole components, not surface mount.
Regards,
Did anyone notice this new one on Taobao? Maybe you can update that image with all the TPA3116 available on the market.
Ë«NE5532Òôµ÷°å TPA3116 2x50W´ó¹¦ÂÊHiFi·¢ÉÕDÀàÊý×Ö¹¦·Å°å³ÉÆ·-ÌÔ±¦Íø
Edit: Its possible that its not actually a TPA3116 after I translated in Google the text, although the title has TPA3116 in it. Can anyone confirm?
Ë«NE5532Òôµ÷°å TPA3116 2x50W´ó¹¦ÂÊHiFi·¢ÉÕDÀàÊý×Ö¹¦·Å°å³ÉÆ·-ÌÔ±¦Íø
Edit: Its possible that its not actually a TPA3116 after I translated in Google the text, although the title has TPA3116 in it. Can anyone confirm?
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Does anyone have any hands-on experience with this 6-channel unit? A google search for '6 channel tpa3116' seems to indicate that there is only 1 board, but it shows up pretty widely. I have a few multichannel ideas that might suit this pretty well, but the convenience is only worth it if the quality is on the same level as the 2-channel versions.
It is strange, the title mention NE5532 and TPA3116, but the description below said the amp is based on LM1036 and TDA7492??
Regards,
will this control board http://www.ebay.com/itm/331020940470?_trksid=p2055119.m1438.l2649&ssPageName=STRK:MEBIDX:IT
![URL]](/community/proxy.php?image=http%3A%2F%2F%5BURL%3Dhttp%3A%2F%2Fs905.photobucket.com%2Fuser%2Fcleonjr%2Fmedia%2Fview-TRS023-12V-18V-DC-Tone-Board-with-Bass-Treble-Adjustment-Preamplifier-for-Music-Fancier-4.jpg.html%5D%5BIMGDEAD%5Dhttps%3A%2F%2Fi905.photobucket.com%2Falbums%2Fac259%2Fcleonjr%2Fview-TRS023-12V-18V-DC-Tone-Board-with-Bass-Treble-Adjustment-Preamplifier-for-Music-Fancier-4.jpg%5B%2FIMGDEAD%5D%5B%2FURL%5D&hash=88d5590668726b129aeff1e360f0bdda)
, work with this 3116 Board
![URL]](/community/proxy.php?image=http%3A%2F%2F%5BURL%3Dhttp%3A%2F%2Fs905.photobucket.com%2Fuser%2Fcleonjr%2Fmedia%2FSubwoofer%2520Bic%2520project%2FHPIM9160.jpg.html%5D%5BIMGDEAD%5Dhttps%3A%2F%2Fi905.photobucket.com%2Falbums%2Fac259%2Fcleonjr%2FSubwoofer%2520Bic%2520project%2FHPIM9160.jpg%5B%2FIMGDEAD%5D%5B%2FURL%5D&hash=9d671be2845482baca217998ea963c42)
I have the 3116 already,and what happens to the volume and treble on the 3116 when I connect the other board is it bypassed or what.
I have the 3116 already,and what happens to the volume and treble on the 3116 when I connect the other board is it bypassed or what.
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You want 2 times tone control? SoundQuality is hurt with 1 time tonecontrol, board without is better. But maybe really bad recordings? Sure it will work.
The tone controls on the 3116 will need to be desoldered or bypassed by you. I'm thinking you're doing a lot of work for nothing, what makes you think the ones on the board you're looking at are better than the ones on the TPA3116?
The blue and black board sounds better than a red board with replaced caps, stock and not burned in. I wouldn't bother with any red board for any reason, at this point.