justin
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Posts posted by justin
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nope, i ordered 2oz for a prototype
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oops..one mistake. the tantalum caps (10uf) should probably be ceramic such as RCER71H106MWK1H03B
or use the tantalum ones and bypass with a .1uf c0g under the board such as RDE5C1H104J2K1H03B
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Mouser #: 595-OPA541AP Mfr. #: OPA541AP Desc.: Operational Amplifiers - Op Amps Operational Amplifiers - Op Amps Hi-Power Monolithic Op Amp 4 $21.40 $85.60 4 Shipped 06-Aug-20 57782631 Mouser #: 80-T354G106K035AT Mfr. #: T354G106K035AT Desc.: Tantalum Capacitors - Solid Leaded Tantalum Capacitors - Solid Leaded 10.0uF 35.0V10% 10 $1.28 $12.80 10 Shipped 06-Aug-20 57782631 Mouser #: 710-860160575031 Mfr. #: 860160575031 Desc.: Aluminum Electrolytic Capacitors - Radial Leaded Aluminum Electrolytic Capacitors - Radial Leaded WCAP-ATLL 35V 1000uF 20% Radial 4 $1.29 $5.16 4 Shipped 06-Aug-20 57782631 Mouser #: 581-SR212A200JAR Mfr. #: SR212A200JAR Desc.: Multilayer Ceramic Capacitors MLCC - Leaded Multilayer Ceramic Capacitors MLCC - Leaded 200V 20pF 5% C0G 4 $0.45 $1.80 4 Shipped 06-Aug-20 57782631 Mouser #: 505-MKP20.022/100/5 Mfr. #: MKP2D022201B00JSSD Desc.: Film Capacitors Film Capacitors 100V .022uF 5% 2 $0.48 $0.96 2 Shipped 06-Aug-20 57782631 Mouser #: 71-RN55C6501B Mfr. #: RN55C6501BB14 Desc.: Metal Film Resistors - Through Hole Metal Film Resistors - Through Hole 1/10watt 6.5Kohms .1% 50ppm 2 $0.61 $1.22 2 Shipped 06-Aug-20 57782631 Mouser #: 71-RN55C-B-10K Mfr. #: RN55C1002BB14 Desc.: Metal Film Resistors - Through Hole Metal Film Resistors - Through Hole 1/10watt 10Kohms .1% 50ppm 10 $0.999 $9.99 10 Shipped 06-Aug-20 57782631 Mouser #: 709-UHP-350-24 Mfr. #: UHP-350-24 Desc.: Switching Power Supplies Switching Power Supplies 350.4W 24V 14.6A W/ PFC 2 $67.31 $134.62 2 Shipped 06-Aug-20 57782631 Mouser #: 684-MP930-0.1 Mfr. #: MP930-0.10-1% Desc.: Thick Film Resistors - Through Hole Thick Film Resistors - Through Hole 0.1 ohm 30W 1% TO-220 PKG PWR FILM Qty 4
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i have 5 on the way, but i don't know how many i'll blow up yet.
you should use allpcb though, it's like $1.99 for new customers to order these
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3 hours ago, kevin gilmore said:
I would think that a minimum of 50 watts of heat per channel seems reasonable.
a dissipante 3U seems like it would work. probably 1 size down would also work if there is enough room for the switchers.
I like how a heatsinked 3U chassis is now the modest build answer
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RAAL-star would also work
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can we call it The Unbalanced RAAL Driver
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Since i'm getting behind the times, i finally installed Roon last night. Worked instantly on my 2015 Android TV, Mytek Manhattan II, Denon receiver (though that is a bit redundant with the TV, not sure which is better). Only negative so far is you can't stream the same music to multiple devices simultaneously if they do not use the same protocol.
For Mytek it's a no brainer, it's infinitely better than the mcontrol software
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12 hours ago, puretaka said:
Didn't you read the JH marketing quote above? The sound is:
- warm
- neutral
- analog
All at the same time! 🥴
so many IEMs for sale now are straight copies of JH designs..its not even possible to keep up anymore. Just about everything is all marketing these days so to go after JH marketing is a bit ironic
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There hasn't been a warranty card here since Yama's, everything comes from Edifier
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checking out Willie Nelson's new album. also another recent REL sub addition here (the unmarked wood box)
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for me I have set the bass control once where I liked it and then left it alone, and have found it to be a useful feature. I'm going to be getting a couple plain black sample pairs that could be passed around (with proper cleaning) if anyone wants to try them
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Jerry Harvey Audio is releasing a universal fit version of their JIMI custom IEM, limited to 200pcs, and offering it exclusively to dealers (HeadAmp is one). We have some on the way, and some black shelled demo pairs as well. The shells are are also smaller than JH's previous generation of universal fit earphones.
https://www.headamp.com/products/jh-jimi-aion
From Jerry Harvey Audio:
QuoteWe are excited to introduce the Jimi Aion Series! The initial launch of our universal fit Jimi's will be a dealer exclusive, limited edition run of only 200 sets. The Jimi Aion features our Sonic Tube Chassis, Acoustic Sound Chamber, 7-pin Connector, and limited edition Purple Haze shell. Jimi uses a 7-driver BA configuration offering a warm, neutral, analog sound signature. Using our Sonic Tube Chassis, we were able to considerably reduce the size, making it the smallest in the Aion series. Listen for hours, comfortably. These won't last long, so contact your local dealer soon to pre-order!
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looks like the same headphone though. check archive.org to see if its always been there
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unless that link has changed in the past 12 hours it looks like the regular USA black SR-007 mk2
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i didnt even notice the $420 price till it was pointed out to me
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On 5/22/2020 at 7:14 PM, morphsci said:
I have an open box Brooklyn DAC+ someone returned because it didn't have ethernet
I also have an open box Brooklyn Bridge someone returned because they didn't want ethernet
If anyone is interested.. 😙
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On 3/8/2020 at 4:43 AM, spritzer said:
I'd like to know what they were smoking when doing that input trace... clearly needs more vias...
some sort of PCB twisted pair? or speed holes
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In case anyone wasn't sure, this has been cancelled
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On 4/1/2020 at 10:01 AM, n_maher said:
It seems like I've been trying to do this for years and WFH may finally force the issue enough into the forefront that I do something. So, what I'm basically looking for is a stand-alone music server, with onboard storage capacity, decent library management tools, and a reliably updated GUI. I'm not against the obvious Mac Mini choice as I have external DAC options that make that doable, but would be interested in hearing folks other thoughts on this. Budget is not unlimited and the Brooklyn solutions of the world need not apply. I've looked and can't really find anything that gets me very excited.
if you go the mac mini route i'd recommend getting an open box from best buy's website
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Hi John,
i will see you there!
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At the DC meet today
Sent from my iPhone using Tapatalk-
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Am I the only one who saw washing machines?
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On 11/29/2019 at 5:06 PM, Voltron said:
Going with the opposite ratio in the bedroom setup. Obviously, I need to even everything up and get my cables lengthened and organized differently, but this setup is incredibly satisfying.
I was told it would be wireless..
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And now what did you do TODAY?
in Off Topic
Posted
Meze Empyrean or Abyss AB-1266