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  1. grapplesaw

    The truth about EMF and electron flow of power

    Ok I often mention inductance in supply wires and direction of signal wires in your amp. I think this would be a good place to have us contribute to the truth of how elections flows and how it affects surrounding Components and signals. Does shielding work better than proper routing? Do...
  2. grapplesaw

    Spaceship launched

    Well it went with all engines burning. Quite spectacular.
  3. grapplesaw

    Another vendor bites the dust, order while you can

    George directed me to this site today only to find My $50 order turned into $200 but what will we do when all these guys are gone ALL ELECTRONICS IS GOING OUT OF BUSINESS Clearance Sale in Progress After 56 years supplying surplus and new electronic parts and supplies, we have decided to call...
  4. grapplesaw

    Three way electronic crossover

    Hello Everyone This thread may not go far or supersede Jene’s 400 build thread, OMG if that happen. so to get started this is to describe how to set up and how not to set up a three-way electronic crossover system. I had grand ideas of how I was going to build this using isolation transformers...
  5. grapplesaw

    Horn upgrade on K-horns

    Well it’s time to get on with my speaker upgrade. This has taken far to long but I am working again full time and fitting these bigger projects in is not that easy this thread has some of the construction info for these horns. Go the the link and follow on a bit it see...
  6. grapplesaw

    sun fire Theatre Grand V

    Looking for input from all Output channels: 7.1-channels, single-ended and balanced Decoding: DD, DD EX, ProLogic IIx, DTS, DTS-ES Discrete/Matrix/Neo:6 Ins and outs: Six coax and four toslink digital audio, two HDMI, three component, one MM phono input, RS-232, 12V triggers, Ethernet...
  7. grapplesaw

    Phase linear on Ebay

    Just saw this eBay listing for a reconditioned 400-ll 295488179064 they include the invoice and parts used I cannot understand the reasoning behind the different output choices this also begs to answer what the word reconditioned defines
  8. grapplesaw

    Almost new 700b for sale

    Hi My Black Friday Sale was very successfu. However I did not receive any offers for the dual500, well that may be for the best as I moved it upstairs to the family room. Doing that has now given you all a chance to buy my personal amp. I built it 4 years ago and have used it most days. As it is...
  9. grapplesaw

    Black Friday WOPL sale

    Hi I have some surplus amps here is a excellent amp. Full White oak and Imlay inside. These units have a very low noise floor for which I send a lot of time to achieve Black Friday Phase Linear in excellent condition. And all upgrades I can muster $2,100 plus shipping from 98230 Wa. ( sold...
  10. grapplesaw

    Happy Thanksgiving

    Happy holidays from the Great White North. We are not in the US this year but will celebrate along with you. Take care everyone
  11. grapplesaw

    Big cartridge shootout, well big for me

    I have the big TT cartridge test running with 7 TT ‘s through my new selector box connected to a reworked Carver c-4000 through MM2 input A mighty Thorens 125mkll with a Decca FFsc4 MI cartridge is going direct to the Carver on MM1 input. This will be the reference TT as it is truly beautiful...
  12. grapplesaw

    Pioneer PL quartz PD1003 ic cross over number

    I am struggling to find a replacement chip for the pill quartz motor speed control. Their system uses three chips to do this. I have figured out two of them but not the third.. it’s labeled “pioneer pd1003” the unit uses all Toshiba if’s. The two othe pioneer labled ic cross to Toshiba so I...
  13. grapplesaw

    Diode cross over

    Hi I have bought a adjustable soldering iron. It does not work. The first piece in the circuit is some sort of diode I suspect this may be the issue It labeled RS155 About 9 mm or .335 of and 4 mm .230 high Any help would appreciated in getting info on it It has three connections so am a...
  14. grapplesaw

    WOPL Phase Linear 700 ll for sale / trade

    I have used this for daily use. It is surplus due to addition of WOPL D500 The good-this amp has excellent low noise as low distortion . Please see photos. The bad- top cover could use repainting but I didn’t want to lose the PL lettering. Contact me if you want to buy ( no low ball offers...
  15. grapplesaw

    NeverSatisfied is getting a fresh d500

    Spenser and I have worked out a trade with him to receive a freshly upgraded d500 I wanted this to be special for Spencer so I finally decided to give him the best one I have
  16. grapplesaw

    Nice 400-ll to rebuild

    My next amp is going to be a 400-ll. It is in good condition and has somewhat rare long fin in full extrusion format heat sinks. The person ( only initials -BR- on tag) who built it took quite a lot of pride on the original build as you can see by the tidy wiring of which I have already started...
  17. grapplesaw

    New (old and busted) bass bins

    As a result of watching so many of you building big bass horns and being offered these ones for free I am going to rebuild some old hockey rink bass bins. They are setup with 15” ( busted) woofers. I have taken advise from my Buddy Andrew who as you know build a hell of a system. The agreed...
  18. grapplesaw

    An other boomer soon to leave the barn

    Started a build I had been sitting on. It’s my upgrade to the Claire 700 series two. well not much left of it with basically all new top to bottom. got to find me some wire to finish this puppy off , not really got lots got me one of those dual mono boards you know , so its going to sound great.
  19. grapplesaw

    I’m back

    Hi all been hiding at the lake house for the past few months. Back home again and started up the work bench. Just finished a full bore Carver C-4000 upgrade. More that later
  20. grapplesaw

    Nice 700 series ll on ebay

    There is a near end of production full Complimentary 700-ll on EBay It’s item 194197105376 I think an easy fix with some new transistors power cap and DCP
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