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172.117.0.69
Just grabbed a pair of diatone based monitors off eBay and I'm looking for an amp to pair them with. I can spend $2k, used. Any suggestions?
Edits: 05/01/22Follow Ups:
I bought a Sun Audio 300BE from a local tech. So far, just awesome sounding, even with generic Chinese 300b tubes. Now I have to choose a new set of 300B's.
Great PU, Joe. Tube rolling here you go. Also, Drivers (6sn7) make a difference with your new speakers. When I picked up my Amp from Don he gave me (3) 6sl7's, RCA red base, RCA flat plate and 1940's Sylvania round plate. The Sylvania worked best for me. They were all good, just different; I would imagine this would apply to 6sn7's also. Once again, great match with these speakers.
I'm excited. It sounds so good right now.
I splurged and ordered a pair of KR Balloons. Found a great deal, only a little more than Genelex.
My uncle is bringing me a 5U4G RCA Cunningham to test out to see if rectifiers make a difference. This one has a Sovtek.
6SN7s are Toshiba which people seem to like. Those types get expensive obviously so I'm holding off. Also, don't want to change too much at once.
Thanks for your input!
A nice Vintage rectifier made a big difference in my 45 set amp.
Used Ayon Spark is a good choice...can be found for even a bit less than this (I paid 1500 Euro for mine).
There is a Triode Labs EL84 for sale ($2100.) over at HiFi Haven (the Emporium).
I have actually heard one of these (with Devores) and they are very nice.
Signed up, trying to get approved so I can contact the owner! Thanks for the tip. I have been looking for 300b or 805/211 amps but this look promising.
Great PU. Looks like the 2S-212. (Check the Data Plate on the back).
94db and a flat 8 ohms; very easy to drive. Baltic Birch w 3/8" Mahogany Veneer. (I have the 2S-208, 96db and 16 ohms) 4-5 Watts will drive these to any reasonable level. I drive mine with Garber's 421a, 4 Watts. Quality amp will make a difference. Meant as a replacement for WE 755A/B in Japanese Movie Theater's. I believe production was 1957-1976.
I used mine with SS and PP and SET amps over the years. (I bought mine new, House of Music, SF, 1976). There is usually a couple of pairs on EBAY but I've never seen any on any of the Forums.
Have fun......
Oh my God! Those look awesome. Mine aren't quite as clean. They are 2S-305s.
I bought mine locally but off eBay. He had them for awhile because he was unwilling to ship, so I got a nice price. I couldn't be happier with how they sound with the Herron SS amps (except the voices are a tiny bit etched sounding) but I'm just curious. Now I wish I hadn't passed on the 2A3s WE91 clone since you are running the Fi. Maybe his other sale fell through.
Thanks for posting!
Someone else is a fan of Garber's work:
https://www.usaudiomart.com/details/649853033-421a-5998-stereo-set-tube-amp-new/
Got pics?
Got specs?
Mitsubishi Diatone
A used KR Audio VA320 might also be in the 2K range...
Pardon my ignorance... Why is that speaker labeled Mitsubishi and Nakamichi?
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Buy Chinese. Bury freedom.
Nakamichi bought the rights to these about 1974 (I believe) to expand their product line. Hence, the addition of the Nakamichi plate. You can pull them off, I did. Nakamichi also produced their own version, the Slimline Reference, that used the same drivers. They sounded awful. (I had a pair, kept the drivers, ditched the cabinets.)
Funny, I was in the business back then, but don't remember hearing about this arrangement. I've never heard Japanese speakers I liked, including the pair of Pioneer CS-99A that I bought new. They were loud (I had a huge amp back then), but not very real.
--------------------------
Buy Chinese. Bury freedom.
How'd you pull off the Nakamichi badge? Mine seems to want to pull the fabric off with it.
If the screen is pulling, leave it.(the Nakamichi badge) It's metal and not replaceable.(the screen). Yours look really nice. Is the connector on the side? Back to your original post; I used a Fisher 400B successfully, sounded very nice, they can be had for a reasonable price; 300B's are good too. Ah yes, Sean Casper, seems like a talented builder. One of the few times Don spoke "sarcastically" about another builder,(at least for the record, see Art Dudley's column in Stereophile with Don). Sean had an AD1 based amp that looked interesting, but his 421a clone is just plain ugly. At some point you may want to take the back off and check the (1) Cap/autoformer crossover, they are 45 years old. Also, in my system, the thinner the speaker wire the better. Have fun, they are great speakers.
I have the connectors on the side but the speakers have been rewired and a monster cable 10 ft wire was attached to each and comes out a hole in the rear.. I'm going to terminate those and install banana jacks and use my very thin existing speaker cables (audience ohno)
The speakers are in great shape except there's some discoloration under the grilles. Doesn't look like there's a way to remove them so I'm not going to be OCD about it.... but I'd love to find someone who has done a restoration because yours look so uniform and lovely!
This is what's on the back of those Nakamichi plates. If I remember correctly I might have warmed them up ever so slightly. Also my data plate and Canon plugs. I hooked my speaker cable directly to the speaker inside. (it had the cheap old school spring loaded terminals, I replaced them, can't remember with what.)
The finish on mine is pretty decent, probably helped along the original fitted linen slip covers, which I no longer have. I also have an original set of frequency and resistance plots performed by the Factory. (Can't locate them at the moment).
I don't think you can do much under the grills. Yours look good, might try some furniture oil first. I don't think they are making any more of this Mahogany anymore. I'd hang onto the data plates also, I presume you have the ones that are Kana Script. If you google Triode Labs, I'm sure there are some reviews out there.
I might try to pull the plate off too.
Not usually sold in the US but maybe by Nakamichi in the US?Clearly not horns. Maybe 90 dB? Not SET friendly in my view but...
Nice PP amp with a bit of power might make them sing.
Certainly no a great of a find as the original eBay listing would suggest IMNSHO.
That said, if they were mine I would enjoy them being driven by a decent EL-34/KT-88 PP amp.
Edits: 05/03/22
Yeah I was using Horns as a generic term for high efficiency speakers.... like an idiot.
According to the website below, they show 96 dB/W. Nice looking speakers and might work well with a SET amp.
And SETs may do nicely indeed. Worth a try, I think.
"Confusion of goals and perfection of means seems to characterise our age." Albert Einstein
Used. It's your only choice.
Yeah, I always like to buy used... let someone else take the depreciation.
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