grado-ra1-hg
  1. KurtW

    Sugden HeadMaster Review/comparison

    The other day I stopped by The Analog Room in San Jose just to see what was new, and I was surprised to see a Sugden HeadMaster sitting on the shelf next to a Grado RA-1. I was surprised for two reasons, one being he doesn’t carry much in the way of headphone stuff, only Grado in the past. The...
  2. taymat

    Grado Rs-1/Ra-1 mini-review

    Hi there I've just entered the high-end headphone world via a grado rs-1/ra-1 using a rotel rcd-991ae as the source. Burn-in has happened and they sound better now after a day or two so I'm ready to give my impressions on them. Guitars: Well grados excel at this as I was told many times by...
  3. proid

    Rank the Headphone Amps that you own

    "Rank the Headphones that You Own." thread was created for a long time and greatly contributed by everyone so i think it's quite interesting to make another thread but for headphone amps . The rule is simple: only list amps that you own or have extensive time of listening by order from best to...
    • proid
    • Thread
    • bravo-audio-tube-amplifier-v1 coby-lightweight-stereo-headphones-cvh47-black grado-ra1-hg
    • Replies: 5
    • Forum: Headphone Amps (full-size)
  4. proid

    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?
  5. six2six2

    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 
  6. kiteki

    Fanmusic RA1 portable amplifier

    Anyone familiar with this portable amplifier, it has 6500+ views?   http://www.ebay.com/itm/Fanmusic-Mini-Portable-Battery-Headphone-Amplifier-RA1-/120642236301  
  7. oldson

    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
  8. oldson

    Grado RA-1 AC HG amp

    bought recently (used) from uk user. came with US psu. have now bought a US>UK transformer from maplin (included in sale) just to see if everything works. it does work perfectly well. for some reason the US psu has been opened and is now taped up. god knows why someone would do this. amp...
  9. andysalter

    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...
  10. bilinear

    iPhone 30-pin out -> X -> Grado RS-1i recommendations for X please

    Hi guys,   I'm looking for the missing link to improve my bedtime listening with the Grado RS-1i. I don't have a media player at home other than my iPhone so the fact it's an iPhone doesn't mean the solution needs to be portable, however it may be cheaper/more practical to have one...
    • bilinear
    • Thread
    • amp-dacs cambridge-dac-magic-digital-to-analog-converter grado-ra1-hg grado-rs1i-reference-series-headphones headphone-amplifiers headphones
    • Replies: 0
    • Forum: Headphone Amps (full-size)
  11. DanPash

    Grado RA-1 Circuit.

    I have had a quick look on the search, but I haven't found what I'm looking for. I see in some peoples sig's there building the RA-1, as a project. Is there the schematic diagram floating round on here? Any help would be really appreciated. Thank you, Dan.
  12. tortie

    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)
  13. juswyq

    Amp for 325i?

    Hey, i was wondering what type of amp would work for the 325i. Someone's selling it cheap second hand and i was wondering if either my Darkvoice 337 or ZERO would work well with it. Any recommendations? Tried to search but couldn't find anything relevant. Thanks in advance.
    • juswyq
    • Thread
    • dacs darkvoice-332 decware grado-ra1-hg grado-sr-325i-prestige-series-headphones headphones over-ear
    • Replies: 4
    • Forum: Headphones (full-size)
  14. leicamaster

    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
    • Thread
    • 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
  15. sammyrambler

    Considering Tubes for RS1i...Should I be intimidated?

    I have a pair of Grado RS1i that I'd like to buy an amp for.   I hope to purchase one of the new Emotiva ERC-2 Differential Reference CD players to use as my source (one of the main reasons being it decodes HDCD and I have a couple hundred HDCD discs...).   Though this is my first post...
  16. BrianMendoza

    Grado RS1 and RA1 pick up!

    Hey everyone! I haven't posted in a good while, but couldn't think of a better group to share my good news with!   Tonight, I came up on an awesome deal. I was going through my local San Diego Craigslist, searched "Grado" and the title, "high end headphone - $150" came up. I originally...
  17. MajorCockUp

    To buy or not to buy Grado RS1 ?

    Hi all, I am new to audiophile world and in just about 2 years Ive changed a lot of equipment. Im ready to shed a lot of money that i dont really have, about 1100£ to get a Grado RS1 with an RA1 amp. Ive never listened to them and this is why I need your advice. Would I get a better deal If I...
  18. AllsWell

    Any winter specials coming up from Grado ?

    I've always been interested in the RS1i and the RA1 amp combo. So does anyone know if this "combo" exists for a good price or if any specials will be coming up for any of these two products I just mentioned ?
  19. kefalo81

    grado ra1 pcb layout

    I have used search option but i can not find answare i have allready made cmoy and nowi i am willing to make this little amp for my grado sr80i. question is , is there any pcb layout for grado rs1 ?
  20. Grado RA1-HG

    Grado RA1-HG

    Although nearly all of Grado Labs headphones rate at about 32 Ohms impedance, many headphone afficionados own higher-impedance, harder to drive headphones ornbspmore power-hungry cans demanding a robust power source. Heres the easynbspway to bring that world-famous Grado sound to any high-end...
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