1964 Amplifier!! - diyAudio
Go Back   Home > Forums > Amplifiers > Tubes / Valves

Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 8th January 2011, 02:26 AM   #1
diyAudio Member
 
Join Date: Sep 2010
Default 1964 Amplifier!!

I just picked up a super-clean 1964 Sano Supersonic amplifier!! The tone out of this amp is sweeeeettttt!It takes my OD pedal so nicely. The power tubes are 8417's. Hope I don't have to replace those anytime soon $$$$$$$$$$. Just thought you guys might be interested!!
Click the image to open in full size.
Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.


Click the image to open in full size.

Last edited by Rotus623; 8th January 2011 at 02:29 AM.
  Reply With Quote
Old 8th January 2011, 02:47 AM   #2
Pano is offline Pano  United States
diyAudio Moderator
 
Pano's Avatar
 
Join Date: Oct 2004
Location: Milliways
Blog Entries: 4
That thing even looks loud!
  Reply With Quote
Old 8th January 2011, 03:05 AM   #3
klm1 is offline klm1  United States
diyAudio Member
 
klm1's Avatar
 
Join Date: Oct 2004
Location: Jackson, MI
Default Sweeeettt!

that's 100W tube power in a push-pull config; it IS loudness...
AES shows out of stock on 8417's, I'd re-bias lower, if I were you...
__________________
some like it hot;"the biggest mistakes are made by those who make assumptions!" Graham Maynard
  Reply With Quote
Old 8th January 2011, 03:45 AM   #4
diyAudio Member
 
Join Date: Sep 2010
Yeah KLM one, I know what you re saying bro. Turn it down and conserve on the tubes. Tube depot has the 8417's for 70.00 each. Not too bad. Plus I dont want to add a bias pot to this classic. The only problem that I have with it is that the 15" is not stock, and the dB level is higher than the 8" speakers.
  Reply With Quote
Old 8th January 2011, 03:46 AM   #5
diyAudio Member
 
Join Date: Sep 2010
Pano, it's loud man. My ears are ringing right now actually.
  Reply With Quote
Old 8th January 2011, 04:10 AM   #6
diyAudio Member
 
Rockmore's Avatar
 
Join Date: Jun 2009
Location: Red, White, and Blue USA
All I can say is, Rock 'N Roll!

Go through it with a fine tooth comb for common-sense stuff in your look-see. Fix anything easy and common first. Crank it buddy. Old school STILL rocks.
  Reply With Quote
Old 8th January 2011, 05:48 AM   #7
diyAudio Member
 
Join Date: May 2005
Location: California
If you have to get new 8417 tubes DO NOT get the GE branded ones as they had lots of problems with thermal runaway. IIRC the Sylvania ones are the good ones.
You can replace with 6550's but you will probably have to add another gain stage or up the gain on one of the existing stages as the 8417 needs about half the drive of a 6550.
I would also replace power supply / electrolytic capacitors as the originals are probably bad and have become leaky.
Good luck.... Daniel
  Reply With Quote
Old 8th January 2011, 02:20 PM   #8
diyAudio Member
 
Join Date: Sep 2010
Thanks for the advice Dan. The tubes that are in here are the Sylvania ones. They look like they have lots of life left. I hear the 8417's are long-lived.
  Reply With Quote
Old 8th January 2011, 02:38 PM   #9
kevinkr is offline kevinkr  United States
diyAudio Moderator
 
kevinkr's Avatar
 
Join Date: Sep 2004
Location: Boston, Massachusetts
Blog Entries: 6
Still, I'd grab some 8417 while the grabbing is good. I'm not sure who else made the 8417, but IMVLE the Sylvania seemed rugged. There really isn't a great sub for this tube either so get some now. Yep, I know I sound redundant.
__________________
"Extraordinary claims require extraordinary evidence." - Carl Sagan
  Reply With Quote
Old 8th January 2011, 03:16 PM   #10
diyAudio Member
 
Join Date: Sep 2010
Quote:
Originally Posted by kevinkr View Post
Still, I'd grab some 8417 while the grabbing is good. I'm not sure who else made the 8417, but IMVLE the Sylvania seemed rugged. There really isn't a great sub for this tube either so get some now. Yep, I know I sound redundant.
Thanks, thats actually good advice. Those tubes cost 75.00 each, so I am only going to get one set. : )
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Wanted: Schematic and information for Harman Kardon Citation B from 1963 or 1964 tiefbassuebertr Solid State 20 25th April 2012 08:18 PM
FS: NOS RCA 6AS7G (1964) texaslonghorn Swap Meet 0 29th October 2010 11:47 PM
Wanted: DIY amplifier builder with experience. I need a 0.7 ohm stable amplifier Audiophilenoob Swap Meet 34 16th May 2005 11:58 PM
Questions about how to decrease the PASS A-40 amplifier into a class AB amplifier. novtango Pass Labs 2 21st October 2002 01:50 AM


New To Site? Need Help?

All times are GMT. The time now is 11:59 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2