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  1. haisaikat

    DIY Marantz 7 based preamplifier

    I recently got hold of a Marantz 7 Diy tube preamp kit available online with some additional aesthetic improvement made by the previous owner. On the extreme left there is a power knob, next the 2 VU meters and then on right the volume knob and source selector knob. Posting some internal...
  2. santaji

    Tube amp on a budget - Affordable option for transformers?

    Hi guys, I am planning to build my first tube amp, either a hi-fi stereo amp or a mono guitar/bass amp. Right now I am trying to decide which circuit to build based on the simplicity and parts availability, but one issue I am facing is the availability of the correct specification transformers...
  3. R

    Wanted Old, distressed, non-working, "dead" valve (vacuum tube) power and/or pre-amp/s for ground up restoration and eventual listening pleasure

    Hello fellow forum members - here I go again - the veritable "needle in a hay stack" type of quest and pursuit ! This time, I'd like to try my luck (or, rather, the lack of it !) by inquiring if any of you yourselves have or might know someone that has truly vintage (from the 1950s-60s-70s)...
  4. S

    For Sale Rare Valvo 12ax7 ECC83 preamp tubes

    Pair of Valvo 12ax7 vacuum tubes in excellent condition. Made in Germany. Purchased from Germany. Highly regarded. At par with Telefunken. Clean balanced sound (great soundstage). Asking for Rs 5,500/- via Paypal. Shipping will be Rs 1000/- via UAE registered post.
  5. sumanhomroy

    For Sale Haltron EL34 Valve (NOS)

    Up for sell this rare NOS Tesla Construction NOS Haltron EL34 valve, Tesla is known for its superb quality and tonality. Not easy find this in NOS condition, dont miss this oppotunity. Also,up for NOS United Electric/ Ratheon 5763 tubes, this are rare to find with original box. Cosmetic...
  6. sumanhomroy

    For Sale Up for sell 6L6GC (5881) = 6P3S

    Up for sell 6L6GC (5881) = 6P3S 6?3? Russian Military Valves Power Tubes NOS [2PCS]. NEW OLD STOCK. Rare xUSSR- Type: 6P3S Filament voltage, Volt: 6.3 Anode voltage, Volt: 250 1st grid voltage, Volt: -14 2nd grid voltage, Volt: 250 Filament (heater) current, mA: 90090 Anode current, mA...
  7. sumanhomroy

    For Sale 6n8s /6sn7 /1578/ russian melz tubes / metal base

    Up for sell 6N8S /6SN7 /1578/ RUSSIAN MELZ TUBES / METAL BASE- Name: 6N8S Type: Double triode Application: LF voltage amplification Cathode type: oxide,indirect heating Envelope: glass Filament voltage, V: 6,3 Filament current, A: 0,55-0,65 Anode voltage, V: 250 Anode current, A...
  8. A

    Wanted Tube preamplifier in excellent condition <Rs. 1.75L

    Hello, Looking for a tube preamplifier. It must be 220-240V and in excellent condition without any hum. Budget is approx Rs. 1.5L-1.75L. Please PM if you have one for sale. Would prefer a single owner and <3 years old but am open to considering whatever is available. Thanks a lot.
  9. A

    Wanted High end Preamplifier - Tube or SS budget Rs. 2.5-3.5L

    Hi, I had posted this a month or so ago but am still in search for a preamplifier. I am looking for a tube based preamplifier but am open to SS as well. Something that isn't too old and is in perfect working condition. Brands that I am looking at are Lamm, Audio Research, Mcintosh...
  10. amit11

    Which NOS tube 6sn7

    Hi Friends, I thought of changing the default chinese tubes which came with Yaqin CD3. Now I have got few NOS tubes (4 sets) to audition. After doing multiple listening sessions over the last week, my near conclusion is that I still prefer the chinese tube. When I had first changed the...
  11. V

    Elekit TU 8500 tube preamp

    The internet is a strange place - its scary for parents almost for the same reason that it is amazing for audiophiles! I built this preamp based on a blog by a person in Hong Kong totally unknown to me, but with whom I seem to connect because of his love for music and choice of equipment. To...
  12. sumanhomroy

    valves/ tubes you have in your collection- lets showcase

    Lets start with all power tube's- 1. 6V6 2. EL84 3. EL34 4. 6L6 5. KT66 6. KT88 Please add more whatever you want to showcase...let us see the treasures..
  13. cybervinay

    For Sale For Sale Matched Quad of used 6550 tubes - 2 Quads (total 8 tubes)

    I am selling this on behalf of my friend He has upgraded the tubes in his Audio Research power amplifier. These are Sovtek branded matched tubes in used condition There is more than 50% life left in them as per him. Asking Price - INR 5,000 for Quad #1, INR 5,000 for Quad #2 INR 9,000...
  14. ShutterX

    Resource on tube amplifiers (headphone)

    I am planning to buy a tube amplifier. it will be used with my recently acquired Audio Technica AD700x. I am looking for the warm sound that eases out harsh highs and smoothens bass. The issue is that I dont know anything about Tube amps. How much difference do different tubes make to the...
  15. paramesh

    For Sale 12AX7/ECC83 - 2 Siemens and 2 Telefunken smooth plate

    I am put of my tube which I bought from US. There are matched pairs and well condition. 1) Pair of Siemens 12AX7/ECC83 - I bought them for $120 ( Rs.7800). Expected price is 6800/- . 2) Pair of Telefunken 12AX7/ECC83 Smooth plate - I bought them for $160 (Rs.10400 ). Expected price is...
  16. V

    Tube Preamp for powered speakers

    Hi, I have a pair of Epoz Aktimate Mini+ powered speakers Epoz Aktimate Mini+ review | What Hi-Fi? The power specifications are as follows: Mini+ B They are quite detailed but a bit too analytical with sharp highs. I would like to colour the sound a bit and tame the Highs and mellow...
  17. Z

    Here's a tiny, super-affordable, powerful tube headphone amplifier

    Priced just under $75, the tricked out Bravo Audio V2 will look sharp on your desktop: www.cnet.com/news/a-tiny-super-affordable-but-powerful-tube-headphone-amplifier/
  18. J

    Amp types (Tube/SS/Hybrid) preference for Rock/Hard Rock/Pop/Classical music

    Hi, I just wanted to get some opinion on your experience/preference of different Amp types - Tube/SS/Hybrid while listening to different genre of music like Rock/Hard Rock/Pop/Indian Classical Instrumental/Semi Classical/Indian Film music (Hindi/Tamil/Malayalam, old and new). As per my...
  19. T

    What would artists and music creators listen to music on?

    I have always wondered - what sort of music setup would these geniuses have at their private home? What are their thoughts about using the popular home theatre setups such as Onkyo, Denon, Marantz etc? What are their thoughts on using exotic pre and power amplifier combinations along with huge...