[Gippy]

I received the G-pads. So far, they are exacerbating the brightness issue. However, I will try some different setups before I condemn the pairing.

 
The G-cups increase the treble and suck out the midrange, which is why I feel they're no good except on the Grados that come with it. Even then, the midrange is recessed in order to expand the soundstage. I still had to EQ up the mids on my GS2000e.
 
I suggest you return the GH1 and just get the RS1e, which is reportedly the least bright in-production Grado due to having the 50mm driver in a L-cup config. The 50mm drivers are tuned dark to offset the brightness that the G-cups bring. For best results, make sure the RS1e has the brown headband. This guarantees that you have a newer production model where the drivers are level with the wooden cups.

 

[NeuroWire]

  I suggest you return the GH1 and just get the RS1e, which is reportedly the least bright in-production Grado due to having the 50mm driver in a L-cup config. The 50mm drivers are tuned dark to offset the brightness that the G-cups bring. 

 
Unfortunately, at this stage I cannot return the GH-1's. So, they will likely soon be hitting the auction block.
 
Yes, I have long been curious about the RS-1's. Why would the RS-1e be tuned for a G-Cup, but be in an L- configuration? That's confusing to me.
 
Unlike the GH-1, it appears that none of the holes abutting the fabric backing of the RS-1's driver have been ported-through. Is this correct?

 

[joseph69]

  The 50mm drivers are tuned dark to offset the brightness that the G-cups bring.

 

[Gippy]

Put S-pads on any 50mm Grado (RS1e/GS1ke/GS2ke/PS1ke) and hear the treble go way down. On the flip side, putting G-cups on a Prestige Series Grado causes the treble to be unbearably hot. Grado tunes down the treble on the 50mm drivers so that G-cup sound doesn't hit you like an icepick. But the RS1e also gets this treatment even though it uses L-cups.
 
I suppose that's why people love the TTVJ flats so much on certain models -- they give the immediacy and lower treble of the S-pads while retaining the clarity of the L-cups. Of course, in a pinch, people just cut a hole through the S-pad, though the foam density differs.

 

[joseph69]

Still sounds like something isn't right with the GH1 @NeuroWire has if their treble is more pronounced than the 325.
 
I use my GH1 w/G cushions and have no issues with the treble.

 

[HungryPanda]

No treble problems with my GH-1's

 

[dubharmonic]

I wouldn't mind getting more treble from my stock GH1 most of the time to be honest. 

 

[NeuroWire]

  I wouldn't mind getting more treble from my stock GH1 most of the time to be honest. 

SPdubs has that pair of GH-1's now. He's had a pair before, so we shall if that pair is just exceptionally bright; not broken in; or if my experience is a mere artifact of my equipment or ears.

 

[joseph69]

  I wouldn't mind getting more treble from my stock GH1 most of the time to be honest. 

Try them with Grado G cushions…you'll get some more out of the upper frequencies.
I only use my GH1 w/G cushions…fantastic!

 

[dubharmonic]

Try them with Grado G cushions…you'll get some more out of the upper frequencies.
I only use my GH1 w/G cushions…fantastic!

Doesn't that also cripple the bass response?

 

[joseph69]

Doesn't that also cripple the bass response?

Not on the GH1.
Many others and myself included feel the GH1 sounds fantastic with the G cushions. I would have to say that based on this thread most of us use the G cushions with our GH1. 

 

[dubharmonic]

Not on the GH1.
Many others and myself included feel the GH1 sounds fantastic with the G cushions. I would have to say that based on this thread most of us use the G cushions with our GH1. 

Damn this site and its influence on my credit card.

 

[dpump]

In my experience using the G cushions does reduce the bass response. You would think it would have to since the drivers are further from your ears. It also gives you more of a left-right sound which reduces the center effect which can be weird on older recordings that have sound hard panned to either the left or right channel only.

 

[joseph69]

Damn this site and its influence on my credit card.

It's well worth it, I think you'll get what your looking for in the upper frequencies, along with a wider sound-stage and more comfort.
And if you ever buy a GS/PS you'll have an extra set of G cushions if you don't care for them on the GH1, which I highly doubt. 
 
 
@dpump
Yes, the G cushions will slightly reduce the bass because the drivers are further from your ears, but by no means is the bass anemic in any way. I feel the L cushions emphasize the bass slightly too much (for me) and feel the G cushions allow the bass to blend nicely into the rest of the frequencies.

 

[dubharmonic]

 
It's well worth it, I think you'll get what your looking for in the upper frequencies, along with a wider sound-stage and more comfort.
And if you ever buy a GS/PS you'll have an extra set of G cushions if you don't care for them on the GH1, which I highly doubt. 

 
I have to give credit where it's due and say you were right on. I didn't think the GH1 was capable of sounding this good, and now they're also the most comfortable pair of headphones I own, even if they look slightly ridiculous