Search found 21 matches

by marwatt
Sun Oct 02, 2011 3:00 pm
Forum: Hylight era Amps
Topic: How to Install Adjustable Bias on Hylight Era DR103
Replies: 39
Views: 10410

Re: How to Install Adjustable Bias on Hylight Era DR103

is really important to have a 1/2W pot??
How much current run through tha pot?

thanx marwatt
by marwatt
Tue Jan 04, 2011 2:00 pm
Forum: Hylight era Amps
Topic: Household voltage
Replies: 9
Views: 1886

Re: Household voltage

no one use a voltage regulator?
by marwatt
Tue Sep 22, 2009 1:02 pm
Forum: Hylight era Amps
Topic: Loose chassis nut (hank bush) fix
Replies: 11
Views: 2966

Re: Loose chassis nut (hank bush) fix

where to buy those nuts??
by marwatt
Mon Jan 26, 2009 5:52 pm
Forum: Hylight era Amps
Topic: power and standby switch
Replies: 2
Views: 1056

Re: power and standby switch

thank you Mark
by marwatt
Sat Jan 24, 2009 3:43 pm
Forum: Hylight era Amps
Topic: power and standby switch
Replies: 2
Views: 1056

power and standby switch

there are any durability improvement with a cap across the standby and power switch?
0.1-0.01uF/630V
by marwatt
Tue Sep 23, 2008 9:48 am
Forum: Hylight era Amps
Topic: Bad news for a dr103
Replies: 3
Views: 1378

Re: Bad news for a dr103

I have never removed the impedance selector.... I try to remove and replug the selector to eliminate some dirty..
Idem with power tubes.... let you know...
Thanks
by marwatt
Sun Sep 21, 2008 1:08 pm
Forum: Hylight era Amps
Topic: Bad news for a dr103
Replies: 3
Views: 1378

Bad news for a dr103

last night my amp had a strange behaviour... symptoms: the volume fade away... after few moment come back to life... after another few moments the volume goes away again or stay with a little volume. Can anyone point me in the right way? the power tube gone? the phase inverter tube gone? the bias vo...
by marwatt
Wed Jun 11, 2008 10:40 am
Forum: For Sale / Trade / Wanted
Topic: White cliff UK jacks - NEW
Replies: 6
Views: 1928

Re: White cliff UK jacks - NEW

I hope there's another run of these.... :!:
I need at least 6pieces.....
...and how much??
by marwatt
Fri Mar 28, 2008 8:40 am
Forum: Forum News
Topic: VHC Membership
Replies: 5
Views: 5217

Re: VHC Membership

spam is very annoying and to incentive the posting by active user is a good idea ... :wink:
by marwatt
Tue Mar 18, 2008 12:40 pm
Forum: Forum News
Topic: Vintage HIWATT Restorations
Replies: 17
Views: 9277

Re: Vintage HIWATT Restorations

great news! :D
by marwatt
Mon Mar 17, 2008 1:54 pm
Forum: Hylight era Cabs
Topic: cone impedance
Replies: 2
Views: 1187

Re: cone impedance

thanks!
by marwatt
Sun Mar 16, 2008 1:36 pm
Forum: Hylight era Cabs
Topic: cone impedance
Replies: 2
Views: 1187

cone impedance

I have measure my cones (purple label with signed 15ohm on the paper sticker) with a multimeter on ohm setting...
the cone are not connected each other
I have read 10.5 ohm... on each cone
what do you think?? is correct value?
by marwatt
Tue Jan 22, 2008 1:01 pm
Forum: For Sale / Trade / Wanted
Topic: 70's HIWATT 4x12 for sale!
Replies: 5
Views: 2290

I'm interested... photo and shipping price to Italy
by marwatt
Mon Dec 03, 2007 4:56 pm
Forum: Hylight era Amps
Topic: My '72 DR504 and '79 FL112
Replies: 5
Views: 2053

pork....
a Binson 603 delay.... by Guild?
by marwatt
Mon Dec 03, 2007 4:54 pm
Forum: Hylight era Amps
Topic: My new '79 DR103 and matching SE4123
Replies: 9
Views: 2913

Great JC!! :wink: