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musical concepts

  1. Tonedeftup

    What can anyone tell me about this musical concepts modded hafler dh -120?

    I acquired this hafler some time ago, just assumed musical concepts was where it was purchased/serviced. But after stumbling across the name else where… it wasn’t till I was investigating the missing switch that I put the two things together, I looked up the mods and Basicly found nothing, so...
  2. M

    Hafler DH-220 Strange "External Capacitor Bank" Mod?

    Hello Everybody! Exxtreeemely long time lurker here Very quickly, let me introduce introduce myself. I've been lurking on here for years, and I've gleaned so much valuable information from you guys and gals! I just want to say thank you for the absolute treasure trove of valuable information...
    • MicahVW
    • Thread
    • dh-101 preamp dh-200 dh-220 filter capacitors hafler mods musical concepts power supply
    • Replies: 13
    • Forum: Solid State
  3. M

    Found Pair Hafler XL-280 with PA-1 Musical Concepts boards

    Hello, I’m brand new on this forum. Haven’t worked in elecs in decades... last job was a hybrid MusicMan guitar amp repair... Anyway, I just bought this pair, with a ton of related gear, from a retired party/event singer (all for $200!!!). These each have a MC sticker with serial number pasted...
    • _Mod_Man
    • Thread
    • hafler xl-280 macintosh musical concepts
    • Replies: 17
    • Forum: Solid State
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