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Discussion in 'Recording' started by RAIN0707, May 12, 2005.

  1. RAIN0707

    RAIN0707 Guest

    Hey I have 2 Art Pro MPA's just like you and I had read your post a long time ago about how you swapped out the tubes. I have tried to locate either some westinghouse 12df7 or raytheon 12df7's but to no avail. Any other suggestions as to what kind of tubes I could try. I'm looking for one with possible a warm sound and kind of on the darker side. Thanks for your help.
  2. jonyoung

    jonyoung Well-Known Member

    Hi RAIN, Have you been looking online? I got my DF7's from http://www.vacuumtubes.com (AX7's there also). If you google vacuum tubes, there are several online vendors for NOS tubes. At the very least, the first site has great descriptions of what the different models were originally designed for and sometimes their general tonal qualities. He has a 12AX7 page with all the alternate designs & models listed. An option I've heard of but not tried is a 12AT7. It's a popular replacement for AX7 in guitar amps for its warmth. I'll check back here to see if you had any luck. Happy hunting.
  3. RAIN0707

    RAIN0707 Guest

    Jon, thanks for the reply. That site you listed is where I went to find them. The guy told me he was out of them and no idea when he would get them in since they are no longer being made. Maybe I'll try to get some 12AT7's for now until I can find some 12df7's. I'll google today and see if any other vendors have the 12df7's.
  4. jonyoung

    jonyoung Well-Known Member

    try: http://

    He's in Florida. I've never ordered anything there, but I recall he has a decent inventory. Also, try the Yellow Pages for any leftover TV repair shops in your area.

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