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SuperZen and 16ohm Speaker Load (Read 8397 times)
Lord Soth
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Re: SuperZen and 16ohm Speaker Load
Reply #30 - 11/23/12 at 06:10:15
 
Hi Orangecrush,

I'm in the same camp with you on "lossy" formats.

On a revealing system, I can hear a great difference between MP3s and FLAC.
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rockn
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Re: SuperZen and 16ohm Speaker Load
Reply #31 - 11/23/12 at 18:28:46
 
I'm getting quite a buzzing noise from the speakers now that was not there when i was using just my idecco. I've done the normal unplug this and that and its definitely coming from the idecco when i power it up. Im using it as a pre and dac. There plugged into a ps audio duet. Any suggestions?
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Lon
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Re: SuperZen and 16ohm Speaker Load
Reply #32 - 11/23/12 at 18:47:01
 
Have you checked to see whether the 6922 in the preamp section is seated firmly?
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Decware:ERR,HR-1,ZP3,CSP2+(2),Torii Mk III, PS Audio PWT+PWD MkII,PowerBases,PPP,AC-12 pcs, Denon DBP-A100, Denon DCD-A100, Rega RP3 +TTPSU,white belt+Exact2, VooDoo Cable IC: Evo and UL, Mapleshade:Double Heiix Samsonv2+v3 and 4"platforms,Herbie's IsoCups+Tendft
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rockn
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Re: SuperZen and 16ohm Speaker Load
Reply #33 - 11/23/12 at 19:01:44
 
It is, i had the volume on the Zen all the way open, so i backed it off a bit and turned the volume on the dac up a bit. Buzzing is gone. Thought i read somewhere in the post you could have it wide open but whatever. Thanks Lon
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Lon
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Re: SuperZen and 16ohm Speaker Load
Reply #34 - 11/23/12 at 19:03:37
 
HMMM. Glad the buzzing is gone, but not sure why it was there. . . but let's not look too closely into the mouths of gift horses I guess! Smiley
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Decware:ERR,HR-1,ZP3,CSP2+(2),Torii Mk III, PS Audio PWT+PWD MkII,PowerBases,PPP,AC-12 pcs, Denon DBP-A100, Denon DCD-A100, Rega RP3 +TTPSU,white belt+Exact2, VooDoo Cable IC: Evo and UL, Mapleshade:Double Heiix Samsonv2+v3 and 4"platforms,Herbie's IsoCups+Tendft
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stone_of_tone
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Re: SuperZen and 16ohm Speaker Load
Reply #35 - 01/11/13 at 15:34:46
 
Back to page one (1)....I am not worried about my Zu Unions with my 2 - 6 ohm SuperZen CKC or SE84CS:

99dB SPL @ 1W/1m
8 ohm, nominal full bandwidth (5.5 ohm minimum at 300 Hz)

http://www.zuaudio.com/docs/Union-1A_Specs.pdf
Impedance Plots

....also as Steve stated in his first post on page 1, the Essence at 12 ohm was still efficient enough that it did not matter (the 2-6 ohm he sent the Reviewer was fine). I also like being able to swap back in my current 6 to 8 ohm Speakers. No worries....     .  -Stone

....what I should do is......send my SE84CS in for the Hazen Grid Mod (CCE) and the Jupiter Caps (CKC) and have option b) 6 - 16 ohm put in. I'll have my CKC to listen to while it is gone and then have both impedance Trannies when it returns.....with full upgrades on both....now I'm thinkin'.
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« Last Edit: 01/11/13 at 16:05:13 by stone_of_tone »  

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beowulf
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Re: SuperZen and 16ohm Speaker Load
Reply #36 - 01/12/13 at 00:47:11
 
Rivieraranch,

Just curious going back to this thread, what makes you think the option A is better sounding?  Have you heard both or was this information provided by Steve or something?

Thanks!
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Rivieraranch
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Re: SuperZen and 16ohm Speaker Load
Reply #37 - 01/12/13 at 02:39:42
 
The ZEN is designed around the standard transformer. Steve said that there is a slight sonic compromise with using the EX transformer for the higher impedance speakers.
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DECWARE CSP2+, TABOO MK III; SE84CKC; HR1; TRAPEZIUM DESKTOP SPEAKERS; TECHNICS SL1200MK5 turntable; Ah! Njoe Tjoeb CD player; MARANTZ 2226B, 2216B receivers; SENNHEISER HD-580 headphones
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beowulf
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Re: SuperZen and 16ohm Speaker Load
Reply #38 - 01/12/13 at 08:48:56
 
Thanks, it would be interesting to hear how noticeable the differences are.
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Rivieraranch
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Re: SuperZen and 16ohm Speaker Load
Reply #39 - 01/12/13 at 14:56:10
 
I frankly have no interest in a ZEN with other than the standard transformer. I use mine with good 4 ohm impedance speakers and it performs as a champ.
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DECWARE CSP2+, TABOO MK III; SE84CKC; HR1; TRAPEZIUM DESKTOP SPEAKERS; TECHNICS SL1200MK5 turntable; Ah! Njoe Tjoeb CD player; MARANTZ 2226B, 2216B receivers; SENNHEISER HD-580 headphones
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DBC
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Re: SuperZen and 16ohm Speaker Load
Reply #40 - 01/13/13 at 21:43:06
 
I have a 12 year old SE84CS+ (Zen Select) and just recently received my new Super Zen with B Transformer. I have Klipsch RF-7's, 8 ohm, 101 db. I should note that my Select is bone stock so it does not have the CCE or any other mods.

Basically I unpacked the Super and swapped out the Select. First thing I noticed is that full volume (Loud for Me) the volume knob is at 12 o'clock compared to say 3 o'clock on the Select. Overall the Super will play noticeably louder with my speakers and the B output transformers.

Music detail across the full spectrum is more detailed. Instruments and vocals have much air and space between them. I have dual subs wired in stereo fashion and I had to reduce the sub volume knob setting from say 1:30 to the 11:00 o'clock position and the bass is still more audible, detailed and smoother. The top end just has a lot more sparkle.

The Super Zen has been a noticeable improvement in my system. Perhaps most surprising of all was to find out what detail my Oppo BDP-83SE, Klipsch RF-7's and HSU Subs are capable of. I was not expecting this level of improvement. The last time I made such a significant step up in my system was 12 years ago when I purchased the Select.
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Oppo BDP-83SE, SE84CKC amp, Klipsch RF-7 mains, HSU MBM-12 MK2 mid bass module, HSU ULS-15 sub
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jameskk
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Re: SuperZen and 16ohm Speaker Load
Reply #41 - 01/24/13 at 21:50:19
 
So is anyone hearing what im hearing from this superzen . I hope so because its a killer. I have this amp since novenber 2nd , with single drivers that are very effiecent , theres  probably very few amps that are better,and I'll bet the other ones are made in Peoria . Just have to get the money to update the rest of my zens.
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Rivieraranch
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Re: SuperZen and 16ohm Speaker Load
Reply #42 - 01/24/13 at 23:17:13
 
My office ZENSE84CKC plays louder than its predecessor, the ZENSE84C+. The difference between the behavior of these two amps has caused me to withdraw the ZSTAGE from that system. I am going bare with the ZENSE84CKC and TRAPEZIUM speakers, running CD and radio.
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DECWARE CSP2+, TABOO MK III; SE84CKC; HR1; TRAPEZIUM DESKTOP SPEAKERS; TECHNICS SL1200MK5 turntable; Ah! Njoe Tjoeb CD player; MARANTZ 2226B, 2216B receivers; SENNHEISER HD-580 headphones
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jameskk
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Re: SuperZen and 16ohm Speaker Load
Reply #43 - 01/26/13 at 11:55:23
 
Yes the superzen does play louder ,or is it more dynamic . which ever it is its terrific. Are you using the 274 with it, found one (valve art) that does'nt flash at turn on .
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Rivieraranch
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Re: SuperZen and 16ohm Speaker Load
Reply #44 - 01/26/13 at 13:33:43
 
I am using the Valve Art 274B rectifier that DECWARE supplied with the amplifier. In addition to that I use SV83's that have about a year of play on them. The input is a 1976 black plate 6N1P-EV.

Up at DECFEST we looked at these Valve Arts labeled 274B and most believe it is electrically a 5U4G with a larger bottle. The size of the bottle alone might have some influence on the sound. However, they do a good job at this. They don't flash on startup.
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DECWARE CSP2+, TABOO MK III; SE84CKC; HR1; TRAPEZIUM DESKTOP SPEAKERS; TECHNICS SL1200MK5 turntable; Ah! Njoe Tjoeb CD player; MARANTZ 2226B, 2216B receivers; SENNHEISER HD-580 headphones
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