SOLD: Bottlehead Crack with Speedball and upgrades
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For Sale
Currency
USD
Price
600
Shipping Destinations
  1. United States
Oct 10, 2018 at 5:56 AM Thread Starter Post #1 of 8

hawkwindx

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Bottlehead Crack with Speedball - assembled - with added modifications

This amp sounds great.

Tubes included
Stock tubes:
Philips ECG Jan 6080WC 8526 AAT 34167
Raytheon 12AU7A CC82

Also included:
a pair of Mullard tubes I got on eBay for $35.00
I have put a couple hours on each of these Mullard tubes.

From the ad on eBay:

Two new, factory tested Mullard 12AU7 re-issue tubes. This new production Mullard 12AU7 tube is manufactured at their Xpo-Pul factory (also known as Reflektor) in Saratov, Russia.
Many consider it the best 12AU7 made. The plate design is popular with audiophiles because of its exceptional sound quality.
This is your opportunity to purchase world class new tubes without breaking the bank.

Also included:
Tung-Sol JAN 5998 tube. The middle key on the base was broken. I got it for $10.50. It worked, but had a lot of harmonics. I fixed it with a kit I found on eBay and now it works great.

I added the following modifications:
Audio Note 100K Stereo Volume Potentiometer
Volume Knob Black Matte Aluminum Triad Magnetics C-7X
Dayton Audio DMPC-100 100uF 250V Polypropylene Capacitor
Cree diodes
Discrete Bridge Rectifier PCB


$600

I will pay for shipping and PayPal fees.



BZ1.jpg
 
Last edited:
Nov 16, 2018 at 4:45 AM Post #4 of 8

hawkwindx

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Joined
Mar 2, 2017
Posts
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I reduced the price.

Here is what I paid for each upgrade and where I purchased them from:

Audio Note 100K Stereo Volume Potentiometer - $38.28
https://www.partsconnexion.com/ANVPOT-81914.html
Volume Knob Black Matte Aluminum $10.45
https://mail.google.com/mail/u/0/#inbox/FMfcgxvwzvGwQmDxKRKWCPnKFFQnftMM
Triad Magnetics C-7X -$12.31
https://www.alliedelec.com/triad-magnetics-c-7x/70218148/
Dayton Audio DMPC-100 100uF 250V Polypropylene Capacitor $32.49 X 2 = $64.98
https://www.parts-express.com/dayton-audio-dmpc-100-100uf-250v-polypropylene-capacitor--027-447
Cree diodes $1.13 X 4 = $4.52
https://www.partsconnexion.com/cgi-...A+600V,+Schottky,+CSD-01060A,+TO-220,+2-lead,
Discrete Bridge Rectifier PCB - $1.46
https://www.partsconnexion.com/PCB-77727.html
 
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