Hylight era Amps

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Partridge Date Codes?

Last post by countdecibel « Wed Aug 05, 2015 2:33 am
Replies: 15
by Alnico » Thu Nov 13, 2008 12:25 pm
1

2
15 Replies

9319 Views

Last post by countdecibel
Wed Aug 05, 2015 2:33 am
You might need a cap job if.......

Last post by guitman « Mon Dec 08, 2014 8:30 pm
Replies: 23
by Dr.HI-TONE » Fri Nov 30, 2007 12:34 am
1

2
23 Replies

12650 Views

Last post by guitman
Mon Dec 08, 2014 8:30 pm
how to identify a Dave Reeves wired amp V. a Harry Joyce

Last post by Derfalcon « Mon Aug 11, 2014 7:33 pm
Replies: 44
by Dr.HI-TONE » Wed Nov 12, 2008 5:04 pm
1

2

3
44 Replies

20085 Views

Last post by Derfalcon
Mon Aug 11, 2014 7:33 pm
Difference between 70's Hiwatt tolex and the new stuff everyone has?

Last post by Dr.HI-TONE « Sun Aug 25, 2024 12:09 am
Replies: 3
by tWreCK » Wed Jan 10, 2024 7:46 pm

3 Replies

1600 Views

Last post by Dr.HI-TONE
Sun Aug 25, 2024 12:09 am
Anyone used Celestion G12-T75's with a DR103?

Last post by Hiwatts-n-Gibsons « Sat Aug 24, 2024 11:25 pm
Replies: 24
by sethwid » Mon Feb 06, 2012 1:14 pm
1

2
24 Replies

8565 Views

Last post by Hiwatts-n-Gibsons
Sat Aug 24, 2024 11:25 pm
Jumpering ´78 Hiwatt DR504

Last post by Hiwatts-n-Gibsons « Sat Aug 24, 2024 11:03 pm
Replies: 9
by Schuabber » Sat Sep 24, 2016 4:50 pm

9 Replies

3895 Views

Last post by Hiwatts-n-Gibsons
Sat Aug 24, 2024 11:03 pm
Cleaning my Hiwatt Custom 50

Last post by mhuss « Mon Jun 17, 2024 3:26 pm
Replies: 1
by edvard » Sat Jun 15, 2024 11:26 pm

1 Replies

478 Views

Last post by mhuss
Mon Jun 17, 2024 3:26 pm
Just bought a '77 DR504-Discovered gain and tone stack mods. Suggestions?

Last post by mhuss « Mon Jun 03, 2024 2:53 pm
Replies: 7
by loudstroud » Sun Apr 14, 2024 2:35 pm

7 Replies

1411 Views

Last post by mhuss
Mon Jun 03, 2024 2:53 pm
1980 DR-504 needs TLC

Last post by edvard « Wed Apr 03, 2024 7:42 am
Replies: 9
by edvard » Wed Dec 06, 2023 6:36 am

9 Replies

2222 Views

Last post by edvard
Wed Apr 03, 2024 7:42 am
DR103 Mid 70s

Last post by phk200 « Fri Mar 24, 2023 12:20 pm
Replies: 2
by phk200 » Fri Mar 10, 2023 7:53 pm

2 Replies

1535 Views

Last post by phk200
Fri Mar 24, 2023 12:20 pm
DR103

Last post by mhuss « Mon Feb 27, 2023 6:30 pm
Replies: 1
by Peter07 » Sun Feb 26, 2023 3:13 am

1 Replies

794 Views

Last post by mhuss
Mon Feb 27, 2023 6:30 pm
‘79 DR103 mod question!

Last post by Paul Sherman « Thu Feb 09, 2023 4:38 pm
Replies: 2
by Paul Sherman » Mon Feb 06, 2023 5:49 pm

2 Replies

963 Views

Last post by Paul Sherman
Thu Feb 09, 2023 4:38 pm
standby switch needed

Last post by mhuss « Tue Dec 27, 2022 6:26 pm
Replies: 1
by sixty2strat » Tue Dec 27, 2022 1:32 am

1 Replies

752 Views

Last post by mhuss
Tue Dec 27, 2022 6:26 pm
SA212 - 50W - Crackling noise on certain notes

Last post by jujub « Wed Nov 30, 2022 10:14 pm
Replies: 5
by jujub » Thu Nov 10, 2022 2:56 pm

5 Replies

1601 Views

Last post by jujub
Wed Nov 30, 2022 10:14 pm
loss of volume when linked input

Last post by mhuss « Tue Sep 07, 2021 7:43 pm
Replies: 16
by jujub » Wed Aug 25, 2021 3:21 pm
1

2
16 Replies

6276 Views

Last post by mhuss
Tue Sep 07, 2021 7:43 pm
NCA 108.

Last post by Baz Cooper « Sun Aug 15, 2021 12:39 am
Replies: 1
by WILL CLARKE » Thu Jun 18, 2009 5:45 am

1 Replies

1506 Views

Last post by Baz Cooper
Sun Aug 15, 2021 12:39 am
Best current production KT-88 ?

Last post by Dr.HI-TONE « Fri Jun 11, 2021 1:04 pm
Replies: 4
by Raw Power » Tue May 25, 2021 9:57 pm

4 Replies

1814 Views

Last post by Dr.HI-TONE
Fri Jun 11, 2021 1:04 pm
New Amp - SA112 Combo with 5 Preamp tubes

Last post by JammyDodger « Thu Mar 18, 2021 9:50 pm
Replies: 6
by JammyDodger » Sun Mar 14, 2021 12:45 am

6 Replies

2372 Views

Last post by JammyDodger
Thu Mar 18, 2021 9:50 pm
Bias doubler

Last post by mhuss « Mon Sep 14, 2020 3:31 pm
Replies: 5
by mhuss » Tue Jun 09, 2020 1:26 pm

5 Replies

2778 Views

Last post by mhuss
Mon Sep 14, 2020 3:31 pm
71 Dr103 1/2 stack...value question.

Last post by Dr.HI-TONE « Fri Aug 28, 2020 2:35 pm
Replies: 2
by sixty2strat » Mon Aug 24, 2020 4:43 am

2 Replies

1358 Views

Last post by Dr.HI-TONE
Fri Aug 28, 2020 2:35 pm
JP amp - parasitic oscillation

Last post by gtomax « Tue Aug 18, 2020 7:25 pm
Replies: 18
by gtomax » Tue Apr 21, 2020 2:33 pm
1

2
18 Replies

5228 Views

Last post by gtomax
Tue Aug 18, 2020 7:25 pm
Rare CP103 amp on Ebay

Last post by shakti « Mon Aug 10, 2020 10:06 am
Replies: 5
by shakti » Thu Aug 06, 2020 11:53 am

5 Replies

2344 Views

Last post by shakti
Mon Aug 10, 2020 10:06 am
470k vs 1M input resistors

Last post by mhuss « Mon Apr 20, 2020 8:13 pm
Replies: 1
by gtomax » Fri Apr 17, 2020 7:36 pm

1 Replies

1267 Views

Last post by mhuss
Mon Apr 20, 2020 8:13 pm
DR201 standby lamp voltage

Last post by gtomax « Fri Apr 17, 2020 7:28 pm
Replies: 2
by gtomax » Thu Apr 16, 2020 11:04 pm

2 Replies

1261 Views

Last post by gtomax
Fri Apr 17, 2020 7:28 pm
New to me 1972 DR201

Last post by mhuss « Wed Apr 15, 2020 8:20 pm
Replies: 3
by donahue » Sun Apr 12, 2020 5:15 am

3 Replies

1644 Views

Last post by mhuss
Wed Apr 15, 2020 8:20 pm
Polarity switch removed

Last post by Echoes_of_Pompei « Fri Apr 03, 2020 4:12 pm
Replies: 2
by Echoes_of_Pompei » Fri Apr 03, 2020 9:33 am

2 Replies

1589 Views

Last post by Echoes_of_Pompei
Fri Apr 03, 2020 4:12 pm
Cathode Bypass Cap on V3

Last post by mhuss « Fri Feb 21, 2020 10:40 pm
Replies: 3
by theSeeker » Fri Feb 07, 2020 4:08 pm

3 Replies

2458 Views

Last post by mhuss
Fri Feb 21, 2020 10:40 pm
Best current tubes for early '70s DR-103?

Last post by CleanCrunchLead « Fri Feb 07, 2020 6:14 pm
Replies: 5
by CleanCrunchLead » Thu Jan 02, 2020 9:10 pm

5 Replies

3541 Views

Last post by CleanCrunchLead
Fri Feb 07, 2020 6:14 pm
Custom 50 (1981) - post repair advice

Last post by mhuss « Sat Jan 25, 2020 1:40 am
Replies: 5
by jinglejangle » Mon Jan 13, 2020 12:50 am

5 Replies

2669 Views

Last post by mhuss
Sat Jan 25, 2020 1:40 am
Custom 50 Combo Amp Repair Advice

Last post by OldSchoolDave « Wed Jan 22, 2020 3:32 pm
Replies: 6
by jinglejangle » Sat Apr 06, 2019 9:18 pm

6 Replies

3878 Views

Last post by OldSchoolDave
Wed Jan 22, 2020 3:32 pm
Strange PCB in DR-103

Last post by mhuss « Mon Dec 16, 2019 8:39 pm
Replies: 7
by Lancia3 » Wed Dec 11, 2019 10:52 am

7 Replies

4416 Views

Last post by mhuss
Mon Dec 16, 2019 8:39 pm
Daisy chaining 4-hole amps

Last post by mhuss « Sun Jul 21, 2019 3:22 am
Replies: 1
by CleanCrunchLead » Thu Jul 18, 2019 7:31 pm

1 Replies

1961 Views

Last post by mhuss
Sun Jul 21, 2019 3:22 am
SAP Schematics

Last post by mhuss « Wed Jul 17, 2019 3:15 pm
Replies: 5
by donahue » Sat Jul 06, 2019 4:49 am

5 Replies

3080 Views

Last post by mhuss
Wed Jul 17, 2019 3:15 pm
Recommendations wanted for repair in the UK!

Last post by mhuss « Sun Jul 14, 2019 3:12 pm
Replies: 1
by MSG57 » Tue Jul 09, 2019 11:02 am

1 Replies

1518 Views

Last post by mhuss
Sun Jul 14, 2019 3:12 pm
When did the PI voltage supply change in 1969?

Last post by gtomax « Tue Jul 09, 2019 12:02 am
Replies: 11
by shakti » Tue Jan 29, 2019 5:48 pm

11 Replies

4358 Views

Last post by gtomax
Tue Jul 09, 2019 12:02 am
200W volume question re: DR203 No 3708

Last post by CleanCrunchLead « Mon Jul 08, 2019 2:47 pm
Replies: 3
by CleanCrunchLead » Wed Jul 03, 2019 9:37 pm

3 Replies

2283 Views

Last post by CleanCrunchLead
Mon Jul 08, 2019 2:47 pm
Traffolyte badge variations

Last post by shakti « Wed Apr 10, 2019 6:48 pm
Replies: 2
by shakti » Tue Apr 09, 2019 5:18 pm

2 Replies

2192 Views

Last post by shakti
Wed Apr 10, 2019 6:48 pm
Hiwatt Custom 50 Mystery Mod

Last post by Mindride « Thu Apr 04, 2019 11:53 pm
Replies: 2
by Mindride » Mon Apr 01, 2019 10:25 pm

2 Replies

1901 Views

Last post by Mindride
Thu Apr 04, 2019 11:53 pm
Early 80’s Mod Leo’s Music Oakland CA

Last post by Goldman212 « Fri Mar 29, 2019 9:38 pm

by Goldman212 » Fri Mar 29, 2019 9:38 pm

0 Replies

3344 Views

Last post by Goldman212
Fri Mar 29, 2019 9:38 pm
CP103 circuit details question

Last post by shakti « Thu Feb 28, 2019 5:25 pm
Replies: 2
by shakti » Sun Feb 24, 2019 8:13 am

2 Replies

1906 Views

Last post by shakti
Thu Feb 28, 2019 5:25 pm
my baby its finally in my hands...

Last post by raffau « Sat Jan 26, 2019 6:12 pm
Replies: 21
by raffau » Wed Dec 09, 2009 8:29 am
1

2
21 Replies

7558 Views

Last post by raffau
Sat Jan 26, 2019 6:12 pm
impedance difference

Last post by internosh « Sun Nov 25, 2018 10:01 pm
Replies: 4
by internosh » Fri Nov 23, 2018 1:56 pm

4 Replies

2047 Views

Last post by internosh
Sun Nov 25, 2018 10:01 pm
Slade Hiwatt Amps

Last post by supershifter2 « Tue Jul 03, 2018 8:22 pm
Replies: 6
by supershifter2 » Fri Jun 22, 2018 8:53 am

6 Replies

3801 Views

Last post by supershifter2
Tue Jul 03, 2018 8:22 pm
Partridge transformers, cracking the code. Help needed!

Last post by markj « Tue Apr 03, 2018 1:04 am
Replies: 5
by PhilUK » Tue Apr 14, 2015 11:03 am

5 Replies

3103 Views

Last post by markj
Tue Apr 03, 2018 1:04 am
Hiwatt SA212 questions

Last post by Dr.HI-TONE « Thu Feb 08, 2018 12:29 am
Replies: 2
by MSG57 » Mon Feb 05, 2018 4:13 pm

2 Replies

2098 Views

Last post by Dr.HI-TONE
Thu Feb 08, 2018 12:29 am
DR 106 output tap question

Last post by Dr.HI-TONE « Mon Jan 29, 2018 6:19 pm
Replies: 5
by happyface » Thu Jan 04, 2018 1:03 am

5 Replies

2737 Views

Last post by Dr.HI-TONE
Mon Jan 29, 2018 6:19 pm
DR 405 V1-5

Last post by hiwattguenni « Mon Sep 11, 2017 10:27 am
Replies: 16
by hiwattguenni » Sat Sep 02, 2017 3:43 pm
1

2
16 Replies

7213 Views

Last post by hiwattguenni
Mon Sep 11, 2017 10:27 am
Hum from DR-103 (60 hz?)

Last post by therealjoeblow « Fri Jul 21, 2017 6:35 pm
Replies: 8
by therealjoeblow » Fri May 26, 2017 7:53 pm

8 Replies

3986 Views

Last post by therealjoeblow
Fri Jul 21, 2017 6:35 pm
Preamp Tubes for DR-103

Last post by mhuss « Sun Feb 05, 2017 3:32 am
Replies: 1
by therealjoeblow » Wed Feb 01, 2017 6:38 pm

1 Replies

2211 Views

Last post by mhuss
Sun Feb 05, 2017 3:32 am
First Post of 2017

Last post by OldSchoolDave « Wed Jan 11, 2017 11:26 pm
Replies: 3
by happyface » Tue Jan 10, 2017 3:07 am

3 Replies

2389 Views

Last post by OldSchoolDave
Wed Jan 11, 2017 11:26 pm

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