Author Topic: Looking for big cans... Sunfire Cinema Grand Signature Amp  (Read 4091 times)

OldiesButGoodies

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Looking for big cans... Sunfire Cinema Grand Signature Amp
« on: January 17, 2014, 04:29:35 PM »
Cosmetic shape is great,  original box, glass base, etc.

I think at a minimum I need to replace the power supply caps. Two 20,000 uF cans.  Top one is measuring 20.73,   lower one 18.93 m F.  It may benefit from a general health check from Tom and Anders.  Sound is not comparable to the 300 x 2 - yet, but will work on it.

For those keeping count that Peavey is the 5th active crossover I test.   













« Last Edit: January 17, 2014, 05:39:23 PM by CaptainTapeDeek »

Offline Kingman

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Re: Looking for big cans... Sunfire Cinema Grand Signature Amp
« Reply #1 on: January 18, 2014, 08:16:10 AM »
Is it the 5 or 7 channel Pepe? Are you bi- amping channels?  ???
IN REALITY IT ONLY MATTERS WHAT IT SOUNDS LIKE TO YOU!!!!!

OldiesButGoodies

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Re: Looking for big cans... Sunfire Cinema Grand Signature Amp
« Reply #2 on: January 18, 2014, 09:26:45 AM »
Hey King!  It is the 5 channel.  The idea is to use 4 channels to bi-amp the mid-high and bass towers separately.   But that will only be if it sounds like I remember the 300x2 sounding.  Otherwise I will have one bad ass  home theater amp with gobs of headroom.  I am taking it (well, Jim Pittsburgh is taking it actually - thanks Jim!) to Tom's tonight to get it back to spec - I can hear bad caps in the sound.  I built that cost into the $$ I paid for the amp,  so that is ok.  I have the PS Audio Delta 100 as a back up amp and may be buying Frank's Aragon 2004 as a backup amp as well. 

Backups pieces seem to be a requirement in this vintage game,  as the stuff we use is near or well beyond mean-time-to-failure. I now have a back up preamp (Soundcraftsmen Pro Four) in case the C-19 fails or just so that I can mod the C-19.

Cheers,

CTD
« Last Edit: January 18, 2014, 09:29:23 AM by CaptainTapeDeek »

Offline OCCD

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Re: Looking for big cans... Sunfire Cinema Grand Signature Amp
« Reply #3 on: January 18, 2014, 04:20:16 PM »
All those little black paccom caps need to go. That is what is making it sound like monkey ass
Do you want ants? Because THAT'S HOW YOU GET ANTS!

Offline TNRabbit

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Re: Looking for big cans... Sunfire Cinema Grand Signature Amp
« Reply #4 on: January 18, 2014, 05:39:57 PM »
Interesting compared to the 400x7:

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Carver SD/A-360 CDP feeding  Benchmark DAC-1
Sunfire Theater Grand-IV Processor/Sunfire Cinema Seven Signature Amp
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OldiesButGoodies

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Re: Looking for big cans... Sunfire Cinema Grand Signature Amp
« Reply #5 on: January 18, 2014, 06:21:03 PM »
The toroidal trans in the 400x7 is very purdy.  I see a fan to,  I guess the Bob ran into the limit of unassisted cooling.