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|8/5/1998 12:18 PM|
||Reverb tanks and reverb driver transformers?|
I am getting ready to build my next project and I need some advice on buying a good sounding reverb tank and what reverb tranny will work. I am going to build a chiefton reverb clone (2 x EL34). This is going to be my first attempt at reverb. Any advice on this subject is greatly appreciated!
|8/5/1998 12:57 PM|
Assuming that you are going to mount the tank at the bottom of the cabinet (hopefully isolated in a pouch), like Fender or Mesa does, there are two long pans that Magic Parts normally stocks suitable for transformer drive like the conventional Fender circuit.
The 4AB3C1B and the 9AB2C1B. The 4AB3C1B is a 2-spring (Accutronics calls it a four spring, as the pairs have joints in the middle) unit with long decay time, similar to say a blackface twin reverb. The 9AB2C1B is a 3-spring (aka:6) with a medium length decay time.
The 3-spring unit gives a more well behaved quality, leaning more toward studio-quality. The 2-spring with long decay seems a little less organized and surfy. I think Mesa Boogies with full lenth pans use the 3-spring variety. It depends on what you like, or prefer. Both of these tanks sound good, but different, and can be interchanged at will in the same drive circuit.
There's another subjective correlation between decay time and room size, but I can't remember it clearly enough to post it here. The shorter decay does have more of a delay/thickening effect, whereas the longer decay could have more hangover and get in your way under certain playing conditions.
Hope this helps a little.
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|8/5/1998 2:34 PM|
Doc, Thanks for the info you supplied, it is a great help. Will a standard fender reverb driver work in this Chiefton circuit?
Thanks for the help! Benjamin
|8/5/1998 2:41 PM|
Benjamin: I've never seen the Chieftan circuit. Where can I find it?
|8/5/1998 2:55 PM|
Ed Kozec was kind enough to send me a copy (Via U.S. mail) of an original copy of the factory schematic. If you would like, I can have a friend scan it, and I will send you a copy.
Let me know. Benjamin
|8/5/1998 3:26 PM|
If you get that jewel scanned, would you mind putting me in the cc: column? Thanks.
|8/5/1998 3:58 PM|
Jack, No problem!I will c.c. you. Maybe T-Boy would like add it to the Matchless section of the schematics page?
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