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
Indeed the d-115 mk 2, which i owned for several years and i ... Tubegroover
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: Daveyf
Sbrown, Thanks for sharing that info on the KT120's. I was wondering about this and was going to call Arc about it. You just saved me the call, LOL.
Too bad, as the KT120 is a very good tube. With decent 6550's getting a little hard to find, I'm glad I just re-tubed with SED's.
Daveyf (System | Reviews | Threads | Answers | This Thread)
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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