BeePre blowing 1A fast-blow fuse

RPMac · 1891

0 Members and 1 Guest are viewing this topic.

Offline RPMac

  • Full Member
  • ***
    • Posts: 220
on: February 04, 2014, 09:39:21 AM
My BeePre played for about 4 weeks with a 1A fast-blow fuse in it. Two days ago the fuse blew. The 1A slow-blow fuses the salesman gave me turned out to be fast-blow and the two I tried blew.

The closest the parts guy could come up with are 1.25A medium-blow...would it be safe to use these?

I did a resistance check and all values were similar to the first check. I listed the ones that may be questionable below. The ones with ~ were varying.

Is it safe to power up without the tubes in?

2- ~3.5M
6- 146K
10- ~300K
11- 146.9K
15- ~300K
17- ~3.5M
22- ~300K
25- ~2.6M
29- ~4.95M
30- ~4.93M
31- ~4.88M
34- ~4.81M
35- ~4.87M
36- ~4.85M
40- ~500K
43- ~480K
46- ~390K

A3- ~3.5M
B3- ~3.5M

C4&D4- ~3.7M
C5&D5- ~3.7M
C7&D7- ~145K
C9&D9- ~145K



Offline fullheadofnothing

  • Global Moderator
  • Hero Member
  • *****
    • Posts: 1487
  • A noble spirit embiggens the smallest man
Reply #1 on: February 04, 2014, 10:03:26 AM
We have been shipping 1.5A  fuses with these for a while. I just realized the parts list never got changed. The change was made after a large number of people in the first run of kits had problems with the 1A.

Do not power on without tubes.

Joshua Harris

I Write the Manuals That Make The Whole World Sing
Kit Packer Emeritus


Offline RPMac

  • Full Member
  • ***
    • Posts: 220
Reply #2 on: February 04, 2014, 10:27:45 AM
Thanks for the quick reply Joshua.
I'll try the 1.25A I have.
Does it make a difference for a slow or fast blow 1.5A?



Offline fullheadofnothing

  • Global Moderator
  • Hero Member
  • *****
    • Posts: 1487
  • A noble spirit embiggens the smallest man
Reply #3 on: February 04, 2014, 10:32:17 AM
Fast is fine.

Joshua Harris

I Write the Manuals That Make The Whole World Sing
Kit Packer Emeritus


Offline RPMac

  • Full Member
  • ***
    • Posts: 220
Reply #4 on: February 04, 2014, 10:44:51 AM
Thanks.

I didn't realize how much bigger the BeePre soundstage was until I put my stock FPIII back in.
Great preamp!!!



Offline Gerry E.

  • Full Member
  • ***
    • Posts: 191
Reply #5 on: March 29, 2014, 05:20:10 AM
Fast is fine.

What is the most preferred fuse value and type? 1.5A and fast or slow blow?  Thanks.

Gerry   



Offline johnsonad

  • Hero Member
  • *****
    • Posts: 1670
Reply #6 on: March 29, 2014, 05:28:42 AM
1.5 amp in either fast or slow.

Aaron Johnson