Hi, I am working on a Icepower 1200AS2, and my prototype is getting quite hot. My case is going to be all aluminium. What do you suggest for mounting the board in the case.
1) Directly on the buttom of the case witn thermal paste to help dissipate the heat?
2) Put spacer so air will flow under the board
3) put a silent fan
thanks
1) Directly on the buttom of the case witn thermal paste to help dissipate the heat?
2) Put spacer so air will flow under the board
3) put a silent fan
thanks
Page 38 of the datasheet says "The module can therefore operate without any further cooling however at reduced power levels. Even though use of the module without further cooling is possible, it is recommended to add more cooling. In most applications, the module will be additionally cooled through the aluminum chassis or heatsink on which it is mounted. As specified in Section 2, a 0.8K/W heatsink has been used as cooling for the power specification in this datasheet."
Option 1 would probably be the most effective. Heat would be transferred to the exterior of the case. It depends on the thickness of the bottom of the case and the surface area of the case in contact with the module plate. Amps that generate a lot of heat usually have large, finned heat sinks as side or rear panels of the case, with the plate of the module attached to the heatsink with thermal paste. The diyAudio store has data for the heatsinks for the Dissipante chassis, to get an idea.
Option 1 would probably be the most effective. Heat would be transferred to the exterior of the case. It depends on the thickness of the bottom of the case and the surface area of the case in contact with the module plate. Amps that generate a lot of heat usually have large, finned heat sinks as side or rear panels of the case, with the plate of the module attached to the heatsink with thermal paste. The diyAudio store has data for the heatsinks for the Dissipante chassis, to get an idea.
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I mount it to a 5mm thick aluminum floor in the EP 600.2SE. It works well this way - the heat is transferred and radiated off quite effectively.
there are vents on the top lid:
there are vents on the top lid:
Beautiful case. I see that you have a tube buffer and an unfinished RCA/XLR board, can you tell me more about it? Also, do your VU meter will work?
Sure, this is a new amp that I designed for EP. This is the bench prototype for the production series. There is a hybrid tube buffer that takes either balanced or SE input (uses E88CC or NOS 6N1P and I prefer the latter). The buffer is called the HyperSET and controls all the startup/shutdown logic as well. Here’s a closeup of the XLR/RCA board which has auto switching relays to give XLR/TRS balanced priority. VU meters work of course. You can see them in action in the video.
1200AS2 has analog outputs that track the amp output power but scaled to lower voltage. Look at the user manual for exact pins but it is connector near the speaker outputs.
New video of this amp with some smaller speakers:
New video of this amp with some smaller speakers:
I need your help again. I am connecting my VU. I got the power for the LED of the VU from connector P101 (pin 4 and 5). Add a proper resistor and it's working fine. But for the VU I go to the P 106 connector and plug the - to pin 1 and the + to the pin 2 for channel 1.But nothing is happening?
Does your VU meter need power to move needles? Some have a separate VU meter PCB with electronics. Mine is passive galvanometer with a pot to change the amplitude of the needle. Check AC voltage from P106 to see if it changes with music.
You gave me a good hint, I think they need a driver board. Thanks I do appreciate your help
Impeccable work,
can you report on this that looks like a tube buffer in the pictures?
Is it fed from the 1200AS2?
can you report on this that looks like a tube buffer in the pictures?
Is it fed from the 1200AS2?
I just read elsewhere that this is a commercial product that we can only drool over. 😢
I've been looking for something like this for my 1200AS2 for a long time, but everything I've tried doesn't bring any significant benefit to the sound.
Maybe one day I will find it.
I've been looking for something like this for my 1200AS2 for a long time, but everything I've tried doesn't bring any significant benefit to the sound.
Maybe one day I will find it.