I already received a reply from 1964 Ears. With their blessing I have attached our correspondence:
FROM: Phil, TO: 1964 Ears
Good Afternoon,
I'm sure you're busy with orders (not to mention the Holiday Season), so please get back to me at your leisure. I'm in the market for a pair of Customs and I've read good things about your headphones on Head-Fi.org (being in sales myself I figured you might find it helpful to know where your customers come from).
Here's my background, I've been an avid headphone listener and obsessive headphone purchaser ; ) for 3-years. My headphone list is as follows (cut and pasted from my Head-Fi user profile)...
Currently Own:
► Phiaton PS 210 w/Sony Hybrid tips
► Sennheiser HD 600
► Sennheiser PX 100-II
► Ultimate Ears SuperFi 4 w/Sony Hybrid tips
► Ultrasone Pro 750 (black and grey version)
Sold:
► AKG K240 MKII
► AKG K450
► Audio Technica ATH-EM7
► Etymotic Research ER6i
► Future Sonics Atrio M8
► Koss KSC75
► MEElectronics M9-BK
► Sennheiser HD 25-SP II
► Sennheiser HD 280 Pro
► Sennheiser MXL 570
► Sennheiser PX 100
► Sony MDR-XB700
► Ultrasone Pro 650
► YUIN PK3
After owning all of the headphones above I've found that my preferred sound signature is a slight "V," a subtle recess in the mid range and slightly tweaked highs and lows. If the headphones I'm using lack either the high or low sound signature I'm looking for they need to be able to scale well with EQ adjustment. Siblance in the high range and roll-off (or lack of extension) in the low range really annoy me.
My source will primarily be a Rockboxed Sansa Fuze or Cowon J3 fed through a Headstage Arrow 12HE portable amp (only for bass boost if needed or impedance adjustment according to the amount of hiss present in the headphones). My preferred music genres are: Soul, Funk, Jazz, Hip-Hop, Electronica (and a mix of Rock and Classical, but not often).
My questions are very simple:
1. Would you recommend the Double or Triple Drivers for my musical taste?
2. Out of curiosity, what is the impedance and sensitivity of which ever headphone you are recommending?
I hope my e-mail wasn't too long-winded. I just wanted to get as much helpful information to you as possible to I can make an informed decision.
Regards,
Phil
FROM: 1964 Ears, TO: Phil
Hello,
Thanks for giving us a background on what your musical tastes are. From
what you're describing we would recommend either the triple or the quad
driver IEM. The quad driver will have the best extension of the low end
with smooth highs. The triple has a mid bass boost (90Hz or so) Specs for
both can be found on
www.1964ears.com/products.html Follow the link "spec
sheet"
Regards,
Vitaliy Belo
vitaliy@1964ears.com
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After also analyzing the spec sheet for each version I have determined that the Quads are likely my best option - if my budget allows. Otherwise, I'll likely end up with the Triples.
Stay tuned...