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Pass X250.8 spades 1/4 or 5/16

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Posted on December 14, 2014 at 05:21:59
Urs
Audiophile

Posts: 12
Location: Switzerland
Joined: October 24, 2004
Does anyone know, what spades I should select to fit the binding posts of my Pass Labs X250.8. Is it 1/4 or 5/16?
thanks in advance

 

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IMHO...5/16"...no real wrong answer here..., posted on December 14, 2014 at 06:21:45
Mark Man
Audiophile

Posts: 1079
Location: MN
Joined: January 31, 2010
If you have Anaconda thick speaker cables...5/16" can handle more torque...

Pass amps are built like tanks...either size will work...I am a guy that likes bigger diameters when it comes to ANY type of fasteners...

"Most" premium brand speaker cables, come with 5/16" spades as the typical and 1/4" spades can be a special order...

Now, don't ask me why, but the typical binding posts on the speakers are 1/4"...go figure...

Congrats on the new amp...
thanks
Mark

 

RE: IMHO...5/16"...no real wrong answer here..., posted on December 14, 2014 at 06:36:36
Urs
Audiophile

Posts: 12
Location: Switzerland
Joined: October 24, 2004
Many thanks, appreciated! That helps me to configure a Kimber Bifocal speaker cable between the (new) amp and my Apogee Duetta speakers (which are currently getting restored). On the speaker side I will use banana plugs.

 

RE: IMHO...5/16"...no real wrong answer here..., posted on December 14, 2014 at 06:51:01
Mark Man
Audiophile

Posts: 1079
Location: MN
Joined: January 31, 2010
Urs...

I do the same, spades on the amp end and bananas on the speaker end...I own Maggies, that only take bananas on the speaker end...(really cheap binding posts on ALL Maggies)...

Once you get your amp, if you would please, let us know how it handles the Duettes'...not the easiest speaker to drive, so IMHO the Pass is a great choice...

Your Kimbers' are beefy cables...
thanks
Mark

 

RE: IMHO...5/16"...no real wrong answer here..., posted on December 14, 2014 at 10:25:58
To the contrary, going oversize on spade lugs allows the lug to spread when tightened. Less contact under the screw. If your going to oversize use ring lugs. They do not spread and the added benefit of more surface area under the screw with a better gas tight connection.

 

Don't The Pass Labs .8 Versions..., posted on December 14, 2014 at 11:08:52
Luminator
Audiophile

Posts: 7339
Location: Bay Area
Joined: December 11, 2000



...have new binding posts, which now accept bananas? If so, use bananas, which are more convenient than any spade.

My friends with Pass Labs amps complain that any speaker cable with spades is tough to route, especially with the amps' handles (similar to the Jeff Rowland, Mark Levinson, and Proceed amps I've reviewed) getting in the way.

The Audiophiles' DJ,
-Lummy The Loch Monster

 

RE: Don't The Pass Labs .8 Versions..., posted on December 14, 2014 at 21:53:01
AbeCollins
Audiophile

Posts: 46302
Location: USA
Joined: June 22, 2001
Contributor
  Since:
February 2, 2002
I completely agree with your suggestion of using bananas but some old school audiophiles believe that you need to use an impact wrench to tighten down spades for best sound.



 

RE: Pass X250.8 spades 1/4 or 5/16, posted on December 15, 2014 at 02:13:11
Dave Garretson
Audiophile

Posts: 2448
Joined: June 14, 2005
Both. If the spades are positioned vertically, the binding posts are 1/4". Rotating the spades to any other angle engages a 5/16" cross-section.

These are very nice Furutech(I think) binding posts. They have a ratcheting mechanism that prevents over-tightening.

 

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