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§ DAC For Sale    posted May 5, 2019, runs thru Nov 5, 2019 (show)
  • Denafrips website
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  • For Sale - Denafrips Terminator DAC; silver color casework; no operational issues; minor small scratches, mostly around rear panel jacks; I am the original owner. $3,800.00
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§ For Sale: (Russian) Valankon    posted Apr 6, 2019, runs thru Oct 6, 2021 (show)
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  • For Sale: (Russian) Valankon " УП 01 " Tubed Preamp

    An excellent sounding Russian hi-end tubed preamp unknown in the USA reworked to cure one design fault (some hum) and then extensively modified to take it up to an outstanding level.

    Since these are unknown, it's a bit hard to sell via the usual sites so I know I can't even recoup the $1,000 to 1,500 or so in just labor I put into it (I didn't really track that as it was for my own use, but it was a lot of work), never mind the parts cost added or whatever the unknown value of the stock unit may be. But if someone is interested in getting a terrific sounding pre at a sacrifice price, you can take it home for a listen. If you like it, and make a reasonable offer that doesn't insult the work that went into this, you may just become the owner of a bargain. This is the most practical way I can think of to put this up for sale since we all gather at meetings and no shipping makes this simpler and practical. This is not a small piece of gear. (Or even a conventional one anymore.) Just read what this has in it!

    Pictures of the internals are available, just ask. I even have the original spec list in Cyrillic (Russian).

    Contact me at gorkuz@yahoo.com or 845-267-8882.

    Description:

    It came with excellent Russian military parts, wires and film caps to which a lot of top-quality Polypropylene caps were added as bypasses and double-bypasses, plus some fittingly post-Soviet military Teflon/foil cap blockers in critical locations that I got from Neal Patrone. The critical solid state rectifiers in it have been replaced with HEXFREDs.

    The critical signal wires have been replaced with (mostly shielded) Cardas Litz OFC in Teflon and the critical paths have all been shortened to a minimum using super-grade relays installed right at the RCA inputs. The line level inputs now output directly into a single line pair that goes directly into the line level input circuitry by the shortest possible path that avoids areas this shouldn't go near. The phono relay outputs directly to the phono section. Originally, the more typical architecture ran all the inputs (including the tiny phono signal) separately (lots of wires) from the RCAs in the back to the selector switch in the front and then back almost to the back panel again where the circuit inputs are located, and past things they should not have been near (noise pickup, eliminated now). The selector switch now only controls the relays via regulated DC power to it and then using the original wires to the relay coil contacts only.

    A heavy copper shield has been added over the entire input / output section to shield them from the rest of the preamp including the nearby power transformer to reduce noise floor and there is ERS inside for RF.

    The phono input tubes, originally the Russian equivalent (read: copy) of 12AX7's but with a different pin-out, have been rewired to use 12AX7's which are somewhat better than the originals for this purpose. I vaguely recall I put in Telefunkens but the writing on them came off so I am not sure of that any more.

    All inputs have been equipped with continuously variable impedance controls, as detailed below in the Specifications.

    Extensive use of ERS RF absorbent throughout the unit in critically placed execution.

    All (high quality, gold plated) RCAs are clean, fresh and CAIG treated.

    The Specifications, translated from Russian with the improvements noted:

    Phono: Meant for MM but has >73dB S/N specified (now improved) and 5mV sensitivity and a huge amount of gain so it can really handle medium to high output MC in easily with the upgrade infinitely variable 0 to 48K input impedance circuit installed inside it now. The input impedance can now be set to taste by listening while setting.

    3 Line level inputs: labeled "CD", "1" and "2" of 150mV sensitivity and 98 dB S/N. Now equipped with variable input impedance 10K-90K with 55K detented at 12 o'clock.

    Tape Inputs & Outputs (line level).

    Balance control.

    Switch bypassable Tone controls (high & low) and /- 4dB Loudness control.

    Maximum signal output: 30V with an Output Impedance of less than 300 Ohms

    Tubes: Phono input tubes (2) modified to use 12AX7, the rest are Russian 6Н2ПЕВ, 6Н3ПЕ

    Size: 48cm-W х 11,2cm-H х 40cm Deep and Weight: 14 Kg / 31.8 Lbs.

    Point to point wiring, hand built, now hand rebuilt.
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§ Older Stereo Equipment Sale!    posted Mar 14, 2019, runs thru Mar 14, 2021 (show)
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  • I have collected a number of pieces of gear over the years and it has time to clear some out.
    An objective starting point for prices was obtained using Audiogon's Bluebook.
    A price followed by "R" is the original retail,
    a price followed by "A" is the lowest or recent price that Audiogon has listed it selling for.
    More updates will be made.
    Current operating condition is uncertain, and adjustments will be made accordingly.
    Any reasonable offer will be considered.


    SOLD Metronome Technologie CD Transport (T1a) and Power Supply (AL2) $12300R $1666A

    Pair of AES (Cary) Six Pac monoblocks $2400R $1250A

    Cary SLA-70 $1095R $444A That was in 2002. Since then the price has been consistently over $600

    Convergent Audio Technology CAT SL-1 $3900R $1200A

    SOLD Exact Power ES-15A AC Conditioner/Regenerator $2500R $425A S/N 80038 02/01

    Dynaco ST 70 with triode Board installed $180R $205A Recent sales have been over $400
    Dynaco ST 70 with triode board parts $180R $205A Recent sales have been over $400

    Dynaco PAS 3 custom built external PS $110R $116.45A This is a custom item so should be worth $200 (built by a LI audio society member)

    SOLD Michael Yee preamp pfe-1 and power supply PSU-1 $900R $300A

    Monolithic Preamp PS1 $399R $100A and upgraded power supply HC1 $279R $125A

    SOLD Lehmann Black Cube phono preamp $695R $195A

    VPI Quartz Micro Processor Control Line (Frequency) AS IS. Not working

    dex Gain Block II pre-pre amp $50? No information

    TTSuperClamp Light (200g)for LP to turntable spindle (minimum height 1/8") $109R $?

    SAE-5000 Impulse Noise Reduction System $200R $102A

    Bright Star Audio Big Rock Isolation platforms:
    2.5-3" by 19.5" by 17" $100R $60A
    2" by 18.5" by 15" $100R $60A
    These are meant to be sand filled and are now, could be transported with care not to tilt.

    Rotel RSP-1098 surround sound processor (7.1) $2999R $365A

    REL Stentor III Subwoofer (with standard cable) $4995R $1200A
    REL third party 9m High Level 3 bare wire to cable

    SOLD Dahlquist Subwoofer Crossover DQ-LP1 $395R $198A

    CAL Audio Labs 5 CD changer and DVD player $1195R $195A (I can't locate this right now)
    CAL Audio Gamma DAC $295R $76A

    Meridian Compact Disk Player 200 $1495R $300AT

    Sony CDP-C601ES 5 CD changer $580R $105A? (These numbers are for the CDP-C701ES)

    Sony VCR SLV-N750 yes! a VCR! On Amazon from $65 and on eBay from $30 No idea if it still works. Money back if it does not.

    HHb CDR-600 Professional CD recorder (Closest I found was an HHb-800 on Reverb.com for $150)

    NAD T760 AV receiver (5.1) $999R $274A
    NAD 116 Solid State Preamp (6 inputs) $800R $250
    SOLD NAD 916 Multi-channel amp (6X30W) $700R $169A

    SOLD Yamaha T7 Tuner $410R $50A

    SOLD KEF 100 Center Channel Speaker $500R $115A
    SOLD KEF 90 Center Channel Speaker $380R $125A

    Nordost speaker cables: Red Dawn 3m bananas $999R $120A Most recent and average $350
    Super Flatline 3m bananas $199R $100A

    PNF Audio Symphony 4m pair bananas $329R $80A for 6 foot pair. $160 for 12 foot pair?

    Zu Audio WAX 3m pair bananas $? $150A Have been compared to Nordost Red Dawn

    Tara Labs RSC Prime Bi-Wire speaker cables (pair):
    2m 1 spade to 1 spade per channel Asking $150
    2.5m 1 spade to 2 spades per channel Asking $150
    SOLD 4m 2 spades to 1 spades per channel Asking $250

    Audioquest Type 4 Hyperlitz one 3m $20

    SOLD Kimber Kable 4PR unterminated pair 5' braided 4 black and 4 brown each channel $66R $30
    Kimber Kable 4VS unterminated pair 2m braided 4 black and 4 gray each channel $82R $40

    Balanced interconnects:
    one RCA to XLR 2m $
    pair PNF Audio 1.5m $
    pair PNF Audio 2.0m $
    two pair Neutrik 2m $

    SOLD Advent Powered Partner Computer Speakers $

    Mirage powered Subwoofer Omni S8 (for computer sound) $350R $199A

    Niles:
    AC-6 Remote Trigger (120) 6 outlet power supply 2 New $?
    APC Current Sensing AC outlet system
    IPC-8 Pro 8 outlet microprocessor controlled $?
    TSP-3 Tape recorder switch (1 play in and 3 record out) $?
    AXP-1 Aux input selector $?
    AC-8DSS 8 outlet $?
    SPK-1 speaker control $?
    PS-1 Phono/Aux A-B switcher $?

    Advent ACE-515 AC Enhancer $180R $30A

    Advent GFS-1 Speaker selector $100R $25?

    Radio Shack Stereo Source Selector $10 (lowest eBay price)

    Carl V. Gogolak
    17 Crown Court Drive
    Basking Ridge, NJ 07920

    908-903-1661
    carl@gogolak.org
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§ Janis Interphase Subwoofer asking $250    posted Mar 2, 2019, runs thru Sep 2, 2019 (show)
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  • It would be picked up from my home in Woodland Park, NJ. It works, but is not compatible with my Magnapan 20.1 dipole radiators. The Maggies need a dipole subwoofer to address below 40Hz.
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§ IsoPlat Rolling & Isolating Platform for equipment stands    posted Nov 28, 2018, runs thru May 28, 2019 (show)
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  • 21 3/8”W x 24 3/8”D. Accepts a typical single-width equipment racks and rolls back & forth on wood and low-nap carpeted floors to make access to the back of the equipment convenient. Hi-tech laminated MDF constrained layer construction using a special vibration damping glue (1 ½” thick), nicely edged with wood also glued with the special vibration glue and “floating” from one layer to avoid transferring vibration between them. High-capacity multiple rollers are additionally isolated from the platform with special hi-tech polymer pads. Use of multiple rollers distributes weight to reduce coupling to the floor, where coupling is undesirable for equipment racks.

    Originally $1,200 custom made: reconditioned -----------------------------now only $400
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