Click title to read one, or click date to read all below it.
09-20-05
Daveyf i had one from about 1984-1988. it had very good s ... Pscialli
09-20-05
I had a d70 mk11 for about five years in the mid-80s. excell ... Etbaby
10-16-05
I owned a used one for a year or so in the mid 90's. ultima ... Bezimienny
12-17-09
I have had a d70 mk2 with an sp9 mk1 since 1988 with no prob ... Dhgee
03-04-12
Anyone want to part with their d70? no tubes ok (even bette ... Johnsonwu
03-04-12
I work on them and retube them. use arc tubes only. excellen ... Hifigeek1
03-06-12
As hifigeek notes, the circuit is almost identical to the d- ... Tubegroover
03-07-12
I pulled the trigger on an arc d70mk2 about a year ago..here ... Daveyf
03-07-12
No doubt it's a good amp. the d115mkll has a bit more drive, ... Hifigeek1
03-07-12: Tubegroover
Indeed the D-115 Mk 2, which I owned for several years and is currently used by a friend in his system, has great bass drive and slam and is very dynamic HOWEVER it has less control and definition in the low bass than my current amp or some others I have listened to in my system. Also the presentation is a bit less airy, missing some of the ambient detail of some more resolving amplifiers. The D70 and D115 fall into the general category of "classic tube sound", a little rounder on the leading edges and thus can sound a bit fuller AGAIN a preference issue as often is the case in these matters. When more resolution is gained poorer recordings can come off as harsher than with a somewhat more forgiving amp. To be honest I could easily live with his amp as he has owned it for 12 years and done quite a bit to enhance its performance, again a great choice but still not as ultimately resolving as some that I've had in my system (all OTL's btw) but not enough of an issue to fret over for sure. Preferences and taste always comes more into play than absolutes but on balance these are truly excellent products and have aged quite well.
Tubegroover (Threads | Answers | This Thread)
03-08-12
Thanks for the opinions. now to find an old beat up unit fo ... Johnsonwu
03-20-12
Found a d115 mkii. can't wait to hear how it sounds. will d ... Johnsonwu
03-22-12
Johnsonwu, i will be very interested in your outcome after y ... Daveyf
03-23-12
Just the throw my 2 cents in, i'm not a big fan of hexfreds. ... Hifigeek1
03-24-12
@daveyf: totally understand the risks. i think the circuit ... Johnsonwu
03-25-12
Hi johnsonwu, i may be misunderstanding your intent. if you ... Daveyf
03-25-12
The classic series had triode configured output tubes. this ... Hifigeek1
03-26-12
@hifigeek1: yes indeed triode vs non-ultra-linear fixed bia ... Johnsonwu
03-26-12
Oh well. so much for the exciting anticipation for the amp. ... Johnsonwu
03-27-12
The cl-150 was a totally different animal and frankly pretty ... Hifigeek1
03-27-12
Just to chip in for a minute, i have a pair of cl120's since ... Smoffatt
03-27-12
So the verdict for my unit is: faceplate is dinged up and de ... Johnsonwu
03-28-12
Johnsonwu, sorry to hear of your travails. i would say that ... Daveyf
03-28-12
All tubes are known good tubes from my collection. all volt ... Johnsonwu
03-29-12
'foggy', certainly isn't a term that comes to mind when i li ... Daveyf
03-29-12
No flaming. my attitude about spending gobs of money on nos ... Hifigeek1
03-29-12
@daveyf: no other offender. i am comparing it with my 6 oth ... Johnsonwu
03-29-12
@hifigeek1 you are talking about the 270k drop resistor r75 ... Johnsonwu
03-29-12
Hmm i think i found it, goes from ground to pin4 of tl071, b ... Johnsonwu
03-29-12
That's the one. also make sure you measure 10 ohms at ground ... Hifigeek1
04-01-12
All measured ok. thanks hifigeek1 for the pointers. took m ... Johnsonwu
04-01-12
Here's an fyi. i own a d115mkii and called arc about puttin ... Sbrown
04-01-12
I wouldn't put 8 kt120s into it. consider how much more cu ... Johnsonwu
04-01-12
Sbrown, thanks for sharing that info on the kt120's. i was w ... Daveyf
04-01-12
Sbrown, i just replaced the 6550 in the power supply of my ... Bifwynne
04-01-12
@sbrown if you are just after the sound of the kt120 and not ... Johnsonwu
04-02-12
I was asking about the kt120 more from a increased tube life ... Sbrown
04-02-12
Sovtek and svetlana tubes are definitely good value for the ... Johnsonwu
04-03-12
Johnsonwu, are you saying you'd replace the 1.0uf + 0.15uf ... Sbrown
04-03-12
Kt-120's are not recommended by the factory for use in a d-1 ... Hifigeek1
04-04-12
@sbrown: check vhaudio v-cap's web page on sizing coupling c ... Johnsonwu
04-04-12
@hifigeek1: those huge lytics are sprague and mallory and h ... Johnsonwu
04-04-12
Thanks for the tip the v-cap's website. do you think that t ... Sbrown
04-04-12
My experience with stock vintage audio research gear is that ... Johnsonwu
04-04-12
Johnsonwu, thanks for your input. i think the current arc ... Sbrown
04-04-12
Johnsonwu, you say that every time you have used vintage arc ... Daveyf
04-04-12
@daveyf: i meant even after replacing the rel+wonders with ... Johnsonwu
04-04-12
Johnsonwu, i am following this thread with interest. i have ... Smoffatt
04-04-12
@smoffat: the reason why i sold my cl120 (and cl150 of cour ... Johnsonwu
04-05-12
Johnsonwu, i just don't agree with your assessment of the so ... Daveyf
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