I owned the JC-1 monos for one summer and used them in a room 16x26x8 (a bit more than twice the volume of yours). Left them on all the time, in the lower bias setting. They sounded great, but I couldn't live with the heat. I even bought a cheap air conditioner to cool the room when I wasn't around, but that only added to the inconvenience. It only took a short time (10 min to an hour, depending on my imagination that day) to hear the effects of the higher bias setting, but I rarely used it because of the added heat. I wanted to keep them to use as winter amps, but I found that the Belles 350A monos did a nice job and ran cool to the touch. Different sound, though. If you want the warm transparency (not an easy-to-find combination) of the JC-1 monos in a smallish, sealed room, plan on listening in your underwear.
Parasound JC-1 Heat Dissipation
I am looking at purchasing a pair of Parasound JC-1 monoblocks based on the excellent feedback both here and other places. After a flurry of upgrades this year, the power amplifier is the next piece of equipment to upgrade. I have made the decision to stick with solid state since I like keeping my system powered up at all times and the Wilson Benesch loudspeakers like lots of power.
My current system:
- TRL Marantz SA-14 SACD player
- Conrad-Johnson 17LS tube preamplifier, Amperex Holland 60s tubes
- Rotel RMB-1095 5X200W multichannel power amplifier
- Wilson Benesch Discovery loudspeakers
My only concern with the JC-1s is the amount of heat generated since they run the first 25/10 watts in Class A mode and consume 250W in idle mode. This is of concern especially during the summer months.
My audio room is sealed, 16.5ft X 12.5ft X 8ft, and is located on the main floor of my house.
Also wondering if I can reduce heat dissipation if I set the bias switch to low (10W Class A) and only switch it to high during listening sessions. If I do this, does it take time to warm up to fully take advantage of 25W potential?
Also if I have a fan blowing on the power amplifiers outside of listening sessions, is this of any use?
Any feedback from others who have a pair of JC-1s in a similar room is appreciated.
Also the match between the JC-1s and the C-J preamplifier which only has unbalanced output.
My current system:
- TRL Marantz SA-14 SACD player
- Conrad-Johnson 17LS tube preamplifier, Amperex Holland 60s tubes
- Rotel RMB-1095 5X200W multichannel power amplifier
- Wilson Benesch Discovery loudspeakers
My only concern with the JC-1s is the amount of heat generated since they run the first 25/10 watts in Class A mode and consume 250W in idle mode. This is of concern especially during the summer months.
My audio room is sealed, 16.5ft X 12.5ft X 8ft, and is located on the main floor of my house.
Also wondering if I can reduce heat dissipation if I set the bias switch to low (10W Class A) and only switch it to high during listening sessions. If I do this, does it take time to warm up to fully take advantage of 25W potential?
Also if I have a fan blowing on the power amplifiers outside of listening sessions, is this of any use?
Any feedback from others who have a pair of JC-1s in a similar room is appreciated.
Also the match between the JC-1s and the C-J preamplifier which only has unbalanced output.
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- 11 posts total
- 11 posts total