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§ MAC MINI w Apple USB KB and Mouse $50 obo    posted Nov 13, 2025, runs thru May 13, 2026 (show)
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  • I have an old MAC MINI w USB KB and Mouse S/N C07LP425DWYM
    According to Google AI the Mac mini with serial number C07LP425DWYM is a Mac mini with
    a 2.3 GHz Core i5 processor and was released in 2011.
    I know some folks use this for Roon. I am just not a MAC guy.
    I also have an Apple VESA adapter for mounting a MAC monitor gratis,
    togetther with a magnrtic poewer adapter for a MAC book. if you need an extra.
    I can bring these to VPI house at the next meeting.
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§ DIY Loudspeakers For Sale    posted Nov 5, 2025, runs thru May 5, 2026 (show)
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  • It is time for me to downsize. This is a pair of 2-way loudspeakers, crossover is 500 Hz. Total original cost was approximately $2,500.00. All for sale for $1,200.00. Note that the two low frequency cabinets are large [16 x 26 x 24 inches each] and heavy; Plan to pick up from East Stroudsburg, PA in a vehicle with sufficient size capacity.

    - (2) ported boxes, URL is of newer yet similar model https://ground-shaker.com/index.php?option=com_hikashop&ctrl=product&task=show&cid=461&name=black-12-single-competition-ported-sub-box&Itemid=104&lang=en

    - (2) 12" LF drivers https://www.parts-express.com/Dayton-Audio-DS315-8-12-Designer-Series-Woofer-295-434?quantity=1 One has a warped frame.

    (2) HF Waveguides https://josephcrowe.com/products/3d-printed-pair-of-no-1931-es-front-horn-for-grs-pt6825-planar-tweeter?_pos=3&_sid=339220811&_ss=r This is the Blog post for the design https://josephcrowe.com/blogs/news/horn-no-1931-es-front-horn-for-grs-pt6825-planar-tweeter-test-review?_pos=2&_sid=339220811&_ss=r This pair might be the first pair produced. They might be the blue one shown in the blog. Each waveguide is made of two parts, which Crowe provided glued together to guarantee alignment. The two parts of one of the waveguides are of the same color. The two parts of the other waveguide are of slightly different colors.

    - (2) HF Drivers https://www.parts-express.com/GRS-PT6825-8-8-Planar-Mid-Tweeter-8-Ohm-272-126?quantity=1

    - (2) crossovers, Clarity Caps and air core inductors, from a Joseph Crowe schematic, schematic included. Schematic of a different Joseph Crowe design also included.

    Thanks for looking,

    Steve
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§ Large collection of turntables/preamps/power amps and speakers    posted Oct 15, 2025, runs thru Apr 15, 2026 (show)
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  • I have a large collection of vintage and newer equipment for sale. I am helping settle the estate of a friend who passed away this summer. If interested in anything please email
    captaincrusty51@yahoo.com
    or call me at 609-273-9730.

    Thanks for looking
    Marvin Berkowitz


    Turntables

    Technics SL-7 Direct drive Linear tracking with Ortofon cartridge $275

    Technics SL-10 Direct drive Linear tracking with Ortofon cartridge $395

    VPI HW-19 Mk4 with SME armboard $1000

    Garrard 401 no tonearm $1200

    Graham 1.5 tonearm $1000

    Rega RP3 turntable no arm $300

    Grace 707 tonearm $200

    Preamps

    Melos MA 222B $900

    Audible Illusions Modulus 3A $1100

    Hafler SE 100 with MM and MC board $150

    Klyne 6L line stage $1100

    Speakers All pairs unless indicated

    Devialet Phantom Gold 108db $4200

    Infinity Infinitessimal $450

    Spendoe SP 2/2 $250

    Goldenear Supersat 3 on wall factory sealed $425

    Altec 755C $1000

    RCA LC-!A single $1100


    Amplifiers

    Adcom GFA535 II $150

    Crown XLS 2000 $299

    Dynaco Mk III single $300

    NAD M23 $2800

    Bryston 2b $350

    Misc

    VPI HW16.5 record cleaning machine $300
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§ Dynaudio 30W5412 2A subwoofer drivers SOLD    posted Aug 1, 2025, runs thru Feb 1, 2026 (show)
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  • I have 2 of these 12" subwoofer drivers. They are in very good shape. They are not the last word in Xmax compared to the latest designs. FREE to any member that wants them.

    They can be picked up at my house.
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§ Fosi Audio Preamp, Amplifiers, and Opamps    posted Jul 27, 2025, runs thru Jan 27, 2026 (show)
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  • Fosi Audio items for sale as a lot:

    - ZP3 Preamplifier https://fosiaudio.com/products/zp3-preamplifer

    - two V3 mono amplifiers, and two 48V/10A power supplies https://fosiaudio.com/products/fosi-audio-v3-mono-power-amplifier?variant=45168133636326

    - two Muse02 opamps https://fosiaudio.com/products/op-amp-chip-muses02-opa2604ap-opa2134pa?_pos=4&_sid=6bd879ebf&_ss=r&variant=43738071859430

    - one SparkoS S3602 opamp plus DIP socket https://fosiaudio.com/products/op-amp-chip-muses02-opa2604ap-opa2134pa?_pos=4&_sid=6bd879ebf&_ss=r&variant=45366780035302

    - New on Fosi website for all is $758 95.

    - Selling all as one lot for $550.00.
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§ TEAC 1230 Tape machine    posted May 28, 2025, runs thru Nov 28, 2025 (show)
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  • I'm helping a friend to sell some of the classic equipment that has been in their house for a while.
    Here is a TEAC 1230 reel-to-reel tape machine
    I've not checked this one. It's dusty, otherwise looks good. There are some tapes around.

    If interested, please, make a good faith offer.
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§ Sansui TU-9900 Tuner    posted May 28, 2025, runs thru Nov 28, 2025 (show)
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  • I'm helping a friend to sell some of the classic equipment that has been in their house for a while
    Here is a famous TU-9900 Tuner.
    I've not checked the sound. It turns on, all lights work.
    Cosmetically, looks good, but needs cleaning. Has what appears to be an antenna amplifier attached to it.
    If interested, please, make a good faith offer.
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§ JBL J5120    posted May 28, 2025, runs thru Nov 28, 2025 (show)
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  • I'm helping a friend to sell some of the classic equipment that has been in their house for a while.
    Here is a pair of JBL Model-J5120 in original working condition.
    I've check these, and they sound perfectly fine. These are 6 Ohm models.
    Cosmetically - very decent condition. Please, see the photos.
    If interested, please, make a good faith offer.
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§ ALTEC Valencia Model-846B in original condition    posted May 28, 2025, runs thru Nov 28, 2025 (show)
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  • I'm helping a friend to sell some of the classic equipment that has been in their house for a while.
    Here is a pair of ALTEC Model-846B in original working condition. Serial Numbers 8307 and 8318
    I've check these, and they sound fine and very clean.
    Cosmetically, show their age, but no major damage that I've seen. Please, see the photos.
    If interested, please, make a good faith offer.
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§ ALTEC 879A Santana    posted May 28, 2025, runs thru Nov 28, 2025 (show)
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  • I'm helping a friend to sell some of the classic equipment that has been in their house for a while.
    Here is a pair of ALTEC Model-879A in original working condition. S/N 2699 and ????.
    One of the woofer's dust cup is dimpled, but that doesn't seem to affect the sound
    I've checked these, and they sound fine and very clean.
    There are some cosmetic blemishes on the finish. Please, see the photos.
    If interested, please, make a good faith offer.
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