Author Topic: Amplifiers!!!!!!!!!!! (Read 10691 times)

mflint · « **on:** March 16, 2005, 07:17:09 am »

If you want real amplifiers here is the place to get them.
happcontrols.com
2 channel 36 watt=
http://www.happcontrols.com/amusement/gameparts/96063200.htm
6 channel-36watt-5.1 or 6.0 surround
have fun guys

mflint · « **Reply #1 on:** March 16, 2005, 08:06:32 am »

Sorry forgot to put second thread in.

5.1 or 6.0 surround sound .

http://www.happcontrols.com/amusement/gameparts/96063300.htm

Chris · « **Reply #2 on:** March 16, 2005, 08:36:00 am »

That 2-channel amp is by UltraCade... I doubt very many people around here will want them.... $:-\$

Crazy Cooter · « **Reply #3 on:** March 16, 2005, 08:43:37 am »

Quote from: Chris on March 16, 2005, 08:36:00 am

That 2-channel amp is by UltraCade... I doubt very many people around here will want them.... :\

Plus that's too expensive. Instead of $65 +shipping, I can stop at the next garage sale I see and buy an old stereo. 100+ watts for $20 or less.

BOYCOTT ULTRACADE

mflint · « **Reply #4 on:** March 16, 2005, 10:47:08 am »

Well i don't know whats wrong with ultracade- but to each his own, everybody likes different things that's OK.
as far as size it's a good item that runs off of 12v and can be controlled with a separate volume control. Hacking up a used amp
is OK for some/or not hacking it up but some of us prefer to due things different the first time,it's a challenge But there you go again everybody likes different things. All I was trying to do is give out an idea good luck on your projects guys.

Dermbrian · « **Reply #5 on:** March 16, 2005, 11:36:49 am »

Quote from: mflint on March 16, 2005, 10:47:08 am

as far as size it's a good item that runs off of 12v and can be controlled with a separate volume control.

I appreciate your posting this. It is great to know that someone finally makes a solution that would allow a PC power supply to power external speakers. A lot of us have been looking for that functionality and hitting brick walls.

For my own use, the Sonic Impact T-Amp with a wall wort is the better solution. But a few months ago the only solutions were PC speakers or an old integrated stereo amp and I would have jumped on this PC-friendly amplifier.

Brian

whammoed · « **Reply #6 on:** March 16, 2005, 11:51:08 am »

Quote from: mflint on March 16, 2005, 10:47:08 am

Well i don't know whats wrong with ultracade- but to each his own, everybody likes different things that's OK.
as far as size it's a good item that runs off of 12v and can be controlled with a separate volume control. Hacking up a used amp
is OK for some/or not hacking it up but some of us prefer to due things different the first time,it's a challenge But there you go again everybody likes different things. All I was trying to do is give out an idea good luck on your projects guys.

The owner of Ultracade recently tried to trademark "MAME" as his own which he has no rights to and also did some other related crappy stuff...see the thread in everything else. There is probably nothing actually wrong with the product.

mflint · « **Reply #7 on:** March 17, 2005, 06:57:50 am »

Well hopefully this guy does not succeed at trademarking "MAME"
it would be a hit to us all. HappControl Carries most of the products that I see a lot of you guys are asking about in your questions except software.\ Happcontrol is not owned by ultramark that is just one of the lines of products that they carry.Good luck in your projects guys.

jcrouse · « **Reply #8 on:** March 18, 2005, 02:56:54 pm »

Here is what I use. I have seen thre or four different suppliers of similar items.

http://www.acscontrol.com/index_ACS.asp

Click on the PC Audio Amp Link in the left hand margin.

Enjoy,
John

Crazy Cooter · « **Reply #9 on:** March 18, 2005, 04:34:03 pm »

For sound blaster cards, it's fairly easy to add an external volume control. I don't have a link, but look for PC case mods and you'll find it. Combine that and an older home stereo (keep the power switch on) and you can have a nice system for little $$.

mflint · « **Reply #10 on:** March 26, 2005, 10:12:53 pm »

That's just it, You should not have to keep the switch on,(your old home amp/stereo) You should be trying to accomplish something that is out of that realm. Not to say it's not OK for some but it maybe not so OK for others. To build a real self contained box you need to power it up and have everything that is connected to it power up at the same time push one button/turn on one switch/
you would think that the tech that people have and have access to, that they would take the time to do this.Of course not everyone is not as picky as I. But you should strive to be the best even if it does not meet what everyone thinks is the best in their eyes.Post your picks if you can/ That gives everyone something to work off of. Not everybody has the best Ideas, But everybodys combined is the best.

Crazy Cooter · « **Reply #11 on:** March 26, 2005, 11:39:46 pm »

Smartstrip.

You keep the switch on for the radio, but the power is cut off until you turn on the cab.

mflint · « **Reply #12 on:** March 27, 2005, 12:10:54 am »

A good old cab should not include a good old radio. Any body can own a radio and not own a dedicated cab. The Idea is to come up with a cab that is different from every other one or some what like the ones you see in other places. A good old radio is sold at good old radio shack. I think you missed my point of interest. I think if you are going to put in the time you should come up with something different or try something outside the norm so other people and including yourself can go WoW that's cool or WoW that's different. That's were everybody is different. Its all about the fun and all about being like someone else or being different from everybody else. Each person has their own taste and they will fall into one of these categories. I am not running any one person or group down. but hoping to inspire some people. Remember it is all about the fun.No negatives just looking to help with the positives.Good luck with all your projects and fantasies, You never know if you strive hard enough you my obtain them.Cool is only in the eye of the beholder, Pride is in the owner!

Crazy Cooter · « **Reply #13 on:** March 27, 2005, 12:31:01 am »

Yeah, but I'll take 100 watts @ 0.1% distortion over 36 watts @ 15% distortion anyday. Especially when it's 1/3 (or less) of the price.

(15% is a guess. Judging by the electronics, IMO, it's a good guess)

Daniel270 · « **Reply #14 on:** March 27, 2005, 12:59:20 pm »

Mine's just a simple Tandy MMS-10 Speaker/Amp unit. Had it since I bought my Tandy 2500 (486 system) back in '95....

I use my powerstrip to turn it off and on...

clonestar · « **Reply #15 on:** March 28, 2005, 12:35:58 pm »

Doesn't anybody use Car Audio Amps? I have three running off a separate AT power supply, seems ideal for the job and if you only want to drive two speakers you should be able to pick up a second hand amp pretty cheap.

kcoleman · « **Reply #16 on:** March 28, 2005, 02:45:17 pm »

Quote from: jcrouse on March 18, 2005, 02:56:54 pm

Here is what I use. I have seen thre or four different suppliers of similar items.

http://www.acscontrol.com/index_ACS.asp

Click on the PC Audio Amp Link in the left hand margin.

Enjoy,
John

Thats exactly what I am looking for. Is it safe to plug that into the PC power supply. Will that cause any problems with the PC? I though I recall reading somewhere that its not advisable to run an audio am off the same PC power supply. Hopefully i am just imagining this as thats a really cool solution to my total PC speaker hack.

ponyboy · « **Reply #17 on:** April 24, 2005, 01:12:50 pm »

Clonestar, you are absolutely correct. Car amps are the best. When I worked for Taito in 1996 I installed a whole car audio system in 1 of our sit down drivers called Ultimate Race. It was all MTX it had about 600 watts with a sub-woofer built in the seat. It Rocked. Most important piece of the system is the powr supply.

Ponyboy

Ken Layton · « **Reply #18 on:** April 24, 2005, 07:44:52 pm »

Actually, if want a real man-sized amplifier, get any of the QSC theater amplifiers (www.qscaudio.com). They have plenty of headroom, sound great, work reliably for many years, and are easy to hook up. Granted they cost alot, but boy do they perform!

mflint · « **Reply #19 on:** April 25, 2005, 09:12:27 pm »

If you want a self contained setup you could go with the
Pyle Pro 6.5'' PDIC60T or 8 '' PDIC80T Speakers they come with a
70V Transformer built right on them. 6"-250watt 8"-300watt
They both have long throw woofers for good old deep base.'
Frequency response- 6" -65Hz-22kHz 8" -55Hz-22kHz
8ohm. Hope this may help someone out there.

dphirschler · « **Reply #20 on:** May 11, 2005, 04:20:18 pm »

Quote from: Chris on March 16, 2005, 08:36:00 am

That 2-channel amp is by UltraCade... I doubt very many people around here will want them.... $:-\$

As much as I hate to admit it, it looks just about perfect. Does anybody else make one like that?

Darryl

dphirschler · « **Reply #21 on:** May 12, 2005, 03:14:44 pm »

Check this one out. $34.95

http://mach5products.com/merchant2/merchant.mvc?Screen=PROD&Product_Code=Amp1&Category_Code=ESP

Quote

This audio amplifier has 3 20 watt amplifiers,(left,right,subwoofer). It has a mini 1/8" input so it can be plugged into the output of your computer or any other line level source. It comes with 3 connecters that are 1/4" phono so you can plug them into your speaker.It uses a power supply power plug to power the unit,(just like a hard drive). Note: you do not have to use the subwoofer output for the unit to work properly

Darryl

dphirschler · « **Reply #22 on:** May 17, 2005, 10:49:13 pm »

Here's some photos of the (Mach5Products) ACS amplifier.

dphirschler · « **Reply #23 on:** May 17, 2005, 10:57:59 pm »

Here's a shot of the back of the board.

dphirschler · « **Reply #24 on:** May 18, 2005, 08:55:15 am »

OK, the disc does indeed contain the manual for this amplifier along with manuals and drivers for other products. Highlights from the manual are as follows:

- disk drive style connector for external 12V DC power input
- 1/8" phone plug for stereo input
- 4 position 0.1" header for stereo input
- individual volume controls
- 6 position 0.1" header for speaker outputs

- The RIGHT and LEFT channels are amplified versions of the RIGHT and LEFT inputs respectively. The WOOF channel is a composite signal from both the RIGHT and LEFT inputs that is low pass filtered at 160Hz

- The ACS PC Audio Amp w/Sub Woofer Module uses the National Semiconductor LM1875T amplifier IC. There are three amplifiers, one each for RIGHT and LEFT channels, and a third for the WOOF channel. The LM1875T can deliver up to 20W into a 4 or 8 ohm load with a larger power supply. When using the PC's 12V power supply, the LM1875T can deliver about 8 watts per channel to an 8 ohm speaker. Louder volumes can be acheived using 4 ohm speakers. An electronic crossover is used to mirror any frequencies below 160Hz from both the RIGHT and LEFT channels to the additional WOOF channel. Power filtering and conditioning is performed on the PC's 12V, to reduce background noise levels.

Looks like this is the perfect amp for the cab... and DEFINATELY a worthy alternative to the Ultracade amp.

Darryl

dphirschler · « **Reply #25 on:** May 18, 2005, 08:59:32 am »

OK, wierd... I was just checking the Mach5products site again and the price was listed at $39.95. I put in a quantity of 100 and got the same price. I put in a quantity of 10 and got $33.95. I put in a quantity of 1 and got $34.95.

Darryl

dphirschler · « **Reply #26 on:** May 23, 2005, 09:02:35 am »

I tested the amp and it sounds great. It was nice and loud, and very clean.

Darryl

Ken Layton · « **Reply #27 on:** May 23, 2005, 10:36:14 am »

That 10 pin green connector is called a "Phoenix" connector. You are missing the male end that would plug into the female end mounted on the board. Dolby usus these connectors on their movie theater audio processors. These connectors save much time in hard wiring.

dphirschler · « **Reply #28 on:** May 23, 2005, 11:26:15 am »

Thanks for the info! I will look into getting the male ends. That will simplify things a bit.

Darryl

richms · « **Reply #29 on:** May 24, 2005, 03:13:08 am »

Is there any high pass filtering on the left and right outputs?

dphirschler · « **Reply #30 on:** May 25, 2005, 11:18:12 am »

According to the docs, the crossover circuit "mirrors" the low frequencies coming to the L/R speakers. So that tells me that there is no high pass filtering happening on the L/R speakers. My L/R speakers are 4", so hard to tell if there is much bass coming to them.

Darryl

richms · « **Reply #31 on:** May 25, 2005, 06:59:03 pm »

Mate just got a car audio system from a wreck that had an active crossover, hes not using it so I have first call on it, should do the trick nicely. Im more worried about the small speakers ditstorting trying to do the bass, its like adding a sub to your car and trying to run the fronts of the headdeck

flyguy1821 · « **Reply #32 on:** June 14, 2005, 11:37:00 pm »

http://www.partsexpress.com/webpage.cfm?&Webpage_ID=3&DID=7&CAT_ID=43&ObjectGroup_ID=505&SO=2

here is another option. I am using the 70 watt for my bass shakers, but very easy to hook up as well.

Circo · « **Reply #33 on:** November 15, 2006, 12:59:37 am »

Got one of these for Jim's Captain America bartop project. Great product, but does anybody have any suggestions on what kind of external power to use to get up to 20w per channel? Off of the pc's power supply it sounds nice but at only 8 watts it could use more ummph. The instructions say that you can use an external power supple but give no details on how to hook it up or what to use.

Thanks!

Quote from: dphirschler on May 18, 2005, 08:55:15 am

OK, the disc does indeed contain the manual for this amplifier along with manuals and drivers for other products. Highlights from the manual are as follows:

- disk drive style connector for external 12V DC power input
- 1/8" phone plug for stereo input
- 4 position 0.1" header for stereo input
- individual volume controls
- 6 position 0.1" header for speaker outputs

- The RIGHT and LEFT channels are amplified versions of the RIGHT and LEFT inputs respectively. The WOOF channel is a composite signal from both the RIGHT and LEFT inputs that is low pass filtered at 160Hz

- The ACS PC Audio Amp w/Sub Woofer Module uses the National Semiconductor LM1875T amplifier IC. There are three amplifiers, one each for RIGHT and LEFT channels, and a third for the WOOF channel. The LM1875T can deliver up to 20W into a 4 or 8 ohm load with a larger power supply. When using the PC's 12V power supply, the LM1875T can deliver about 8 watts per channel to an 8 ohm speaker. Louder volumes can be acheived using 4 ohm speakers. An electronic crossover is used to mirror any frequencies below 160Hz from both the RIGHT and LEFT channels to the additional WOOF channel. Power filtering and conditioning is performed on the PC's 12V, to reduce background noise levels.

Looks like this is the perfect amp for the cab... and DEFINATELY a worthy alternative to the Ultracade amp.

Darryl

Circo · « **Reply #34 on:** December 10, 2006, 06:19:57 pm »

No one has ever messed with this?


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