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Review of the DIY 6H6N to E182CC/5687 Tube Adapters (BullPlugs) For LD MKII & MKIII Headphone... - Page 3

post #31 of 55
yesterday i got my tung-sol 5687, they sound very clear an bright (i love that).

here are the rest of the pictures:



the "bulldapters" are made from an old sovtec tube a bit of an
pipe and an tube socket. It works fine.
I soldered them together with some old "wire wrap" wire - at least i filled the hole adapter with some "two compnent glue" - its very stable

greets
Stefan
post #32 of 55
Thread Starter 
Quote:
Originally Posted by webghost View Post
yesterday i got my tung-sol 5687, they sound very clear an bright (i love that).

here are the rest of the pictures:



the "bulldapters" are made from an old sovtec tube a bit of an
pipe and an tube socket. It works fine.
I soldered them together with some old "wire wrap" wire - at least i filled the hole adapter with some "two compnent glue" - its very stable

greets
Stefan
Excellent! I feel pretty good now that someone else has a MKIII and MKIVse. Now if someone would make a pair of Bull adapters with a gold casing, that would look great in the MKIVse!
post #33 of 55
i´ve tried to make my bulldapters smaller - it was successfull!
With the parts i own, its not possible to make it much smaller

they work perfect!


greets
Stefan

btw: i´m looking for a pair of 6H30P-DR
post #34 of 55
Totally cool webghost.......still waiting for me parts to come in...
post #35 of 55
Thread Starter 
Quote:
Originally Posted by webghost View Post
i´ve tried to make my bulldapters smaller - it was successfull!
With the parts i own, its not possible to make it much smaller

they work perfect!


greets
Stefan

btw: i´m looking for a pair of 6H30P-DR
Those shorter ones are great! Good job!
post #36 of 55
Quote:
Originally Posted by sacd lover View Post
If people dont feel comfortable making these adapters themselves, they should contact Singlepower Audio to inquire if SP would manufacture some 6H6N to 5687 adapters for them. Singlepower has been making tube socket adapters for a couple years now and have the process down to a science. I have been using my original tube 6SN7GT to 7N7 tube socket adapters for three years now .... and I still enjoy these adapters as much as when I first got them.

6SN7GT to 6CG7/ 6GU7 adapters ....



6SN7GT to 7AF7/ 7N7 adapter ....



6SN7GT to 7AF7/ 7N7 adapters for the gain stages of both amps along with 6SN7GT to 5687 adapters for the MPX3's output tubes.

Hey SACD, how much does SP usually charge?
post #37 of 55
Singlepower Audio quoted me $119 per adapter.

I think I will try to make my own first.

Can someone explain the diagram to me? I am pretty good with soldering, and putting things together etc, but that diagram is throwing me for a loop.
post #38 of 55
Thread Starter 
Quote:
Originally Posted by ciphercomplete View Post
Singlepower Audio quoted me $119 per adapter.

I think I will try to make my own first.

Can someone explain the diagram to me? I am pretty good with soldering, and putting things together etc, but that diagram is throwing me for a loop.
PM Ethebull. He can give you more specifics.
post #39 of 55
Some folks process verbal descriptions better than diagrams. Here’s the v.d.

The diagram illustrates a view of the pins from the bottom of a tube. Hold a loose tube in your hand and look at its underside, with the opening or “missing tenth pin gap” at the top. You now have the orientation as to the pin numbering.

Start by soldering nine wire leads to the socket. It helps if they are different colors for easy identification.

Pins 1, 2, 3, & 7 are wired from the socket to the pin base with no change. 1 goes to 1, 2 to 2, etc.

Wires 4 & 5 from the socket both go to pin 5 on the pin base

Wires 6, 8, and 9 go to pins 8, 4, and 6 respectively.

When you’re done, pin 9 on the pin base will have no wire soldered to it.

Some folks find verbal descriptions more confusing than a diagram… (see page one)
post #40 of 55
Thanks alot ethebull. Extremely helpful.
post #41 of 55
Hey, NP

Post an update on your progress and your listening impressions in the land of 5687 varieties.
post #42 of 55

Quick question!

Hey guys,

Do you know if I "built" the bull plug adapters if I could use the combination of the Mullard E182CC and the Mullards M8161? and if this would be a wise choice???? or is the tung sol 5687 a better decision? I am currently in the process of making a bull plug so it would be nice to order a pair of tubes before the process starts! Cheers,
post #43 of 55

Bull adapter

Hey guys, its me again,

This is probably a dumb question but I want to be sure before ordering the parts, are the following for one adapter or two?

9 pin shielded plug - made by Vector (rfe) $5.00
9 pin shielded plug - made by Vector - w/o cable hole
great for making plug-in modules for RIAA etc$11.00
9 pin minature plug fits sockets for ECC-83, 12AX7
good for making tube adapters and test jigs (rfe)$4.50 - I ordered these
9 pin minature plug - Amphenol - silver plated contacts
with rubber boot $10.00

Thanks,
post #44 of 55
Anyone tried to make BullPlugs using those?

10,Vintage Valve Tube 9-Pin Socket for 12AX7 12AU7,TS9 - eBay (item 220342365213 end time Nov-05-09 20:51:29 PST)

Looks like it’s just a matter of opening them and reconfiguring the wires inside. Never tried them myself but looks like a piece of cake
post #45 of 55
Quote:
Originally Posted by sonda2008 View Post
Anyone tried to make BullPlugs using those?

10,Vintage Valve Tube 9-Pin Socket for 12AX7 12AU7,TS9 - eBay (item 220342365213 end time Nov-05-09 20:51:29 PST)

Looks like it’s just a matter of opening them and reconfiguring the wires inside. Never tried them myself but looks like a piece of cake
Hi sonda2008, did you ever try buying and rewiring one of these ?
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