grado-ra1-headphone-amplifier
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CMoy BB (JdsLabs) optimized for Grado's
In the JDsLabs web, there is the option to order the CMoy optimized for Grado headphones for free. I am not really sure if this means a different OAmp (like the CMoy RA1 in Ebay). Do you know more about this?- manufelices
- Thread
- grado-ra1-headphone-amplifier
- Replies: 1
- Forum: Portable Headphone Amps
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GRADO RA1 (looking for some insight)
Hey, guys. I just picked up a Grado RA1 for the heck of it, and it sounds pretty great with most of my Grado headphones. Although, I don't think it has very good synergy with my Alessandro MS1s... It sounds kinda' harsh at times. So anyway, I'm just curious why this headphone amp holds such high...- theryaner
- Thread
- grado-ra1-headphone-amplifier
- Replies: 1
- Forum: Headphones (full-size)
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Which input capacitor for clone Grado Ra1
It's hard for me to find the original 4.7uf solen for this amp. Can i use this instead of the original capacitor? Will it sound worse?- proid
- Thread
- grado-ra1-hg grado-ra1-headphone-amplifier
- Replies: 9
- Forum: DIY (Do-It-Yourself) Discussions
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Drive Denon AH-D7000 on a Grado RA1 Battery
I have sold my Grado RS-2 Cans and are now looking to buy the Denon AH-D7000. I still have the Grado RA-1 amplifier but will it be enough to drive the Denon AH-D7000 or do i need something more powerfull? Kind regards Nicolai- six2six2
- Thread
- grado-ra1-hg denon-ah-d7000-headphones grado-ra1-headphone-amplifier
- Replies: 0
- Forum: Portable Headphone Amps
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Use Denon AH-D7000 on a Grado RA1 amplifier
I have sold my Grado RS-2 Cans and are now looking to buy the Denon AH-D7000. I still have the Grado RA-1 amplifier but will it be enough to drive the Denon AH-D7000 or do i need something more powerfull? Kind regards Nicolai- six2six2
- Thread
- denon-ah-d7000-headphones grado-ra1-headphone-amplifier
- Replies: 3
- Forum: Headphone Amps (full-size)
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psu for the grado ra-1 in uk?
does anyone know where i can buy a psu for the ra-1 ac, in uk???? drew a blank at maplin and RS. cheers- oldson
- Thread
- grado-ra1-hg grado-ra1-headphone-amplifier
- Replies: 3
- Forum: Headphone Amps (full-size)
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grado ra-1 with adcom gcd-575
- Andrew6
- Thread
- grado-ra1-headphone-amplifier
- Replies: 0
- Forum: Headphone Amps (full-size)
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Amp for Beyerdynamic Dt 770 pro 80
I don't know much of anything about amps, and I don't want to spend more then 100$, but I want to get the most out of the Dt 770s I am about to buy. I have looked around, and the JDS cmoy looks good, as well as the fiio e11. I then came across this one...- Rees8448
- Thread
- beyerdynamic-dt-770-pro-80-closed-studio-headphones headphone-amplifiers portable-amps beyerdynamic-dt-770-stereo-headphones grado-ra1-headphone-amplifier beyerdynamic-dt770-pro-limited-edition-32-ohm beyerdynamic-dt-770-32-ohm
- Replies: 3
- Forum: Portable Headphone Amps
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Hand built amp to Grado RA1 Specs?
Hey guys, long time head fi browser first time poster here :) I bought my first decent pair of headphones about 10 months ago ( AKG K550 ) and I'm looking to make a bit of an upgrade. Now, I don't want to spend hundreds of dollars here so a new pair of cans is out of question. What i'm...- andysalter
- Thread
- grado-ra1-hg grado-ra1-headphone-amplifier
- Replies: 3
- Forum: Headphone Amps (full-size)
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Sony 7506 review...a ham sandwich without the ham
For some strange deranged reflex impulse insane reason, I purchased yet another headphone Tuesday. It was the Sony 7506. See, it's this board which can sometimes make you do crazy things. The V6 is not available here, so based on the discussion on the similarity to the 7506, I decided to demo...- Beagle
- Thread
- beyerdynamic-dt-250-headphones-ear-cup grado-ra1-headphone-amplifier headphones over-ear sony-mdr-v6-monitor-series-headphones sony-pro-mdr-7506-headphones
- Replies: 30
- Forum: Headphones (full-size)
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ATTN: Grado RA1 Owners
Im thinking of getting an RA1 to compliment my arriving RS1, but Im concerned about its humming problems that that current/previous RA1 owners in this board are complaining about. Especially in sensitive cans like the RS1. Others say its dead silent. What is your personal experience with the...- tortie
- Thread
- grado headphone-amplifiers grado-ra1-hg desktop-amps grado-reference-rs2-headphones grado-ra1-headphone-amplifier
- Replies: 32
- Forum: Headphone Amps (full-size)
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BEST SOLIDSTATE AMP+DAC for PS1000 EVER !?
max 1000euro (used also good for 1000)- agoston.berko
- Thread
- desktop-amps grado-ps1000-headphones grado-ra1-headphone-amplifier headphone-amplifiers headphones over-ear
- Replies: 32
- Forum: Headphones (full-size)
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LCD-2 VS Grado RS1 for Rock
I know there are many LCD-2 verses...threads... But I would like to hear some comparative comments and opinions on those who have or had both and how they feel about Rock on these two headphones (especially for electric guitars). I know the Grado RS1 are extremely colored in the upper...- sling5s
- Thread
- audeze-lcd2-planar-magnetic-headphones grado-ra1-headphone-amplifier grado-rs-1-butonless grado-rs1 headphones mapletree-ear-hd over-ear
- Replies: 229
- Forum: Headphones (full-size)
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Grado GS1000 GS-1000 GS1 GS1K [ Official Customer Satisfaction/ Appreciation Thread ]
I am really happy with the Grado GS1000 headphones..and have found that the Black Dragon recabled version I prefer VS the stock version. Spoke with John Grado about this a few Fridays ago, and the GS1 was in fact made and tuned on the RA-1 amp, so it is not a huge surprise that those mate...- Audiofiler
- Thread
- desktop-amps gemini-mpx-3-dual-cd-mp3-player grado grado-ra1-headphone-amplifier headphone-amplifiers headphones over-ear
- Replies: 188
- Forum: Headphones (full-size)
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Grado SR325is
Hi, Recently my grandmother bought me a pair of Grado SR325is as a surprise. I will mainly be using these headphones in study hall and at home. I am in need of an amp that I can just put in my suitcase or backpack and take along. I was looking at the Grado RA1 but I am not sure if it is...- leicamaster
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- alessandro-ms-1 grado-ra1-headphone-amplifier grado-ra1-hg grado-sr-325i-prestige-series-headphones grado-sr-80 grado-sr325is-headphones grado-sr60-headphones headphone-amplifiers headphones
- Replies: 10
- Forum: Portable Headphone Amps
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Changing Batteries on Grado Amplifier
Hi I got the Grado RA-1 Amplifier and put some batteries in and now I need to change them. The only thing is i can't get the batteries out! They are in there pretty tight. Unless I didn't insert them in the right way? Anybody got any ideas? I appreciate all input.- hortoholic
- Thread
- grado-ra1-headphone-amplifier
- Replies: 0
- Forum: Dedicated Source Components
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Grado RA-1 battery powered, has anyone converted theirs to use an ac adapter?
Hi, I have a Grado RA-1 headphone amp. It uses 2 9v batteries. I'm not sure if they are serial or parallel. Does anyone know the best way to modify the unit so I can plug it into an ac outlet? I guess I could definitely use 2 9v ac adapters and hook each one to a battery clip in the...- sharpie510
- Thread
- grado-ra1-headphone-amplifier headphones
- Replies: 0
- Forum: Headphones (full-size)
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Mapletree Amps... What fine products!
Hey guys, I just got my Mapletree Ear HD+, on Saturday morning, from Olias (who is an awesome dude, I'd buy from him again, any day) and I am so impressed. I read a lot about the pairing of the RS1 and Mapletree and there's no surprised it's that raved about. They pair so well, it's...- BrianMendoza
- Thread
- headphone-amplifiers etymotic-research-hf2-earphones-headset-iphone-compatible-ruby grado-rs1 grado-ra1-headphone-amplifier
- Replies: 10
- Forum: Headphones (full-size)
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Recommended small-size Desktop Amp around 400 dollars?
Hi, I am looking for a headphone amp around 400 dollars for my HF-2 headphone, better be small size, about same size as Grado RA1 and Graham Slee NOVO, bettary powered is prefered. Don't need much features, I only care about the sound. Anyone have any suggestions? Appriciated.- Zuqi
- Thread
- graham-slee-entheos-series-novo headphone-amplifiers desktop-amps grado-ra1-headphone-amplifier
- Replies: 22
- Forum: Headphone Amps (full-size)
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Grado RA-1 with Magnum Lite Grado and GS1000i. Sweet.
Ok, I'm not going to revive all the old threads about Grado being a $300 box with $30 worth of parts. Oh wait, in a sense, I just revived it. In any case, I just took possession of a battery powered RA-1. The unit is light. Build quality is ok: the wood is certainly nice but prone to...- shawn_low
- Thread
- grado grado-ra1-headphone-amplifier grado-statement-series-gs1000i-headphones
- Replies: 4
- Forum: Headphone Amps (full-size)
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Help? one cd player but two amplifier
I have a Marantz sa8003 cd player. one music hall amplifier and one grado ra1 can i hook my cd player with my music hall amplifier, and then hook the pre output on music hall amplifier with grado ra1? would the tones be changed? thank you- sun88489889
- Thread
- grado-ra-1-ac-version-headphone-amplifier marantz cd-player grado-ra1-headphone-amplifier
- Replies: 0
- Forum: Headphone Amps (full-size)
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Help! Headphone setup too loud
I fell in love with my grado 225i. Decided to take a huge upgrade. Got a RS1i, a RA1, and a nice lineout for my gen 4 ipod. Burned them in and sat down for a listening session (jazz, rock) friday. Woke up to ear ringing sat and it continued today. My problem is I don't think I can turn the...- tuck567
- Thread
- grado-ra1-headphone-amplifier grado-rs1i-reference-series-headphones headphones over-ear
- Replies: 6
- Forum: Headphones (full-size)
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Grado RA1
How is this as a headphone amp? I'm considering buying one, and currently own a pair of Alesssandro Music Series Headphones. I know it may be overkill for these phones, but I plan on upgrading in the future. Will I notice a big difference in performance? (I have no experience with any kind of...- Peppermint Duck
- Thread
- grado grado-ra-1-ac-version-headphone-amplifier grado-ra1-headphone-amplifier
- Replies: 50
- Forum: Headphone Amps (full-size)
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G&W T-2.6F Tube Amplifier
Anyone used one of these? http://cgi.ebay.co.uk/ws/eBayISAPI.d...768597593&rd=1 or this one? http://cgi.ebay.co.uk/ws/eBayISAPI.d...767198410&rd=1 and this one? http://cgi.ebay.co.uk/ws/eBayISAPI.d...767753906&rd=1 Comments?- Necros
- Thread
- g-w g-w-tw-j1 grado grado-ra1-headphone-amplifier grado-rs1 headphone-amplifiers sennheiser sennheiser-hd-650-headphones
- Replies: 54
- Forum: Headphone Amps (full-size)
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Best Amp for Grado RS1 Under $500
I just bought a Grado RS1 with a Grado RA-1 amp and I love it. I was just curious for when I do upgrade, what that upgrade should be. If there are other threads already talking about this, sorry (not really), I felt this was more specific and is a question I, among many others, would love a...- Zack916
- Thread
- grado grado-ra-1-ac-version-headphone-amplifier amp-dacs grado-rs1 grado-ra1-headphone-amplifier
- Replies: 14
- Forum: Headphone Amps (full-size)