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upgrades improvements

  1. jcnash

    Need help reading RG-2 circuit diagram

    Hello AK, Im in the process of restoring an RG-2 Range Expanders and one of the "upgrades" im looking to make is to increase the brightness of the power / pilot LED to match my other components However my circuit deciphering skills seem to be lacking and I cant seem to figure out which of the...
    • jcnash
    • Thread
    • led conversion rg-2 upgrades improvements
    • Replies: 8
    • Forum: Pioneer Audio
  2. MetalDaze

    Ohm Acoustics "Upgrades". I Stand Corrected.

    I've had several pairs of their box speakers upgraded. This previously was just a rebuilt woofer and SBA which they do in house. Had been good stuff. Recently I got a pair of i's from e*ay (unknown to me at the time -apparently they wanted to buy them but the seller continued with the auction...
    • MetalDaze
    • Thread
    • brooklyn ohm ohm acoustics ohm c2 ohm i ohm speakers ohm walsh updates upgrades upgrades improvements
    • Replies: 128
    • Forum: Speakers
  3. Kybronco

    Stay where I am or .......

    Someone with fresh thoughts help me. I have a pair of RS Optimus 7 speakers which I enjoy for there vintage looks and heck they are just different from what other people have . They actually sound pretty good with Jazz or classical or music from the period they were made . But slap on some ac/dc...
    • Kybronco
    • Thread
    • optimus 7 1973 pioneeer upgrades improvements
    • Replies: 29
    • Forum: Speakers
  4. B

    Upgrading Vintage Marantz 1030 Power Supply to Zener Transistor

    Hi, First time poster. I've started cleaning up and recapping a Marantz 1030 as a summer project. It's going well. However, one of the things I'd like to do - due to its relative ease - is upgrade the power supply to a better level of regulation. To do this I'm going to replace the resistor to...
    • benhodgson
    • Thread
    • calculate marantz modification modifications power power supply transistor upgrade upgrades improvements zener diode
    • Replies: 23
    • Forum: DIY
  5. tk1769

    Turntable recommendation to compliment my MAC 4100

    Good day all! :) Just put together my system, a McIntosh MAC 4100 hooked up through Mac XR14's and Acoustic Research AR-2ax speakers (still working on the 3rd pair). Currently utilizing a Pioneer PL115d turntable with an Audio Technica AT120E cartridge, looking to upgrade this piece, my budget...
    • tk1769
    • Thread
    • mcintosh turn table turnables turntable upgrade upgrades improvements
    • Replies: 29
    • Forum: Turntables
  6. 2

    Crossover upgrade I Need advice

    I bought a pair of Cerwin Vega XLS-215 s with a little bit of shipping damage to the cabinets for a great price.. Stock they sound a lot better than I expected. It seems that the newer CVs sound way more balanced and refined than their old stuff and still go like @#$%!!! I think that they were...
    • 20over
    • Thread
    • crossover rebuild upgrades improvements
    • Replies: 4
    • Forum: DIY
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