audioengine d1 dac
Hi, I plan to connect audioengine d1 dac to my gain clone amplifier. Dac board has RCA out and amplifier input is stereo male. I wanted to know if I can use a RCA male to 3.5mm female adapter directly...
View ArticleModding My ADC SS100-SL Equalizer
I'd like to start a re-cap on this ADC Equalizer I have and I noticed it uses the MC4558 opamps. I have read many poor comments about the quality of these opamps and I was wondering about a modern...
View ArticleNeed help with TPC/TMC
Hi everyone, I'm simulating an amplifier with TPC and TMC compensation techniques, but I'm having some problems, with TPC I've gain peakings both in open and closed loop response. Using TMC the phase...
View ArticleIB sub question
I have done some searching without finding what I am looking for. I am thinking about building two floor to ceiling towers with 8, 10" woofers each. The towers will be approx 12"W x 6"D x 96"H with the...
View ArticleMarantz CD 63 KIS transformer wiring diagram wanted
Hello. I have after 9 years gotten around to locating a torroidal transformer for my old trusted Marantz CD 63 KIS CD player. Slight problem - I have do not have a wiring diagram, and pictures of the...
View ArticleMULLARD 5-20 build with mods
I'm building two amps using the Mullard 5-20 circuit with mods. One is using negative bias on the op valves. Another is replacing V1 the EF86 with an ECC83. Any thoughts?diyAudio Note the use of the...
View ArticleMundorf Silver Oil in hot 300B tube amplifier !!
is true that Mundorf Silver Oil fail with the heat ? I bought a couple of Mundorf Silver Oil 0.22uf caps to replace my k40y as interstage in my tube amp. But i do not know what to do ? Is this true ?...
View ArticleDIY "Deluxe" Ultrasonic Vinyl cleaner
Hi folks! A friend of mine told me the other day to visit this site. The reason for this, is to show you my latest DIY-creation. I have been into the DIY-business for a pretty long time, so I have some...
View ArticleJL 300/4 Bias
Anyone know what the bias drop needs to be set at? I have to re-tune this one as 2 of 4 channels get excessively hot unless i dial the bias all the way down.
View ArticleOB2WA Radioactive???
I have used OB2's in a bunch of amps and picked up a lot from EPay the other day. Just opened the box and found that 2 of the RCA tube boxes have warnings that they are Radioactive! Should I be worried...
View Articlexlr to phono
Hi and thanks for reading this post. Is it possible to build an 3-pin xlr to rca/phono adaptor. I am trying to hook up my pc dac, via usb, to my amp. The dac has xlr outputs, but the amp has rca inputs...
View ArticleHIRAGA PREAMP PHONO + line
Hi, I' m searching the schematic of an old HIRAGA preamp line + phono ( 4 x ECC 81) all SRPP , PSU stabilized + CRC filter.:cool: thanks for help:) cheers
View ArticleAnyone brought amp from Micmc.com
Audio Amplifier - Kinter, Topping, Chengsheng, Teli TL, SMSL: Micmc Site looks dodgey which is not unusual for these types of stores. Prices are cheap but realistic. Kinter, Lepai amp, ect. Any...
View ArticleOther options for Supravox HP215-2000 in various Respects
The for me currently available full range driver with best price to qualiy ratio is the Supravox HP215-2000 - go to 215-2000 SUPRAVOX http://fullrangedriver.com/singledri...000%20data.gif...
View ArticleHelp with formula - Maximizing Performance from Loudspeaker Ports?
Can anyone clarify this formula from the AES paper 'Maximizing Performance from Loudspeaker Ports'? (see attached screen shot). I'm looking to create a spreadsheet (as the paper suggests possible) to...
View ArticleTwo triodes cascaded cathode follower?
Hi! Is there anybody that made a 2 cathode followers in one stage after a cascode input stage?For the input of my first phono riaa preamp I built a cascode with two tubes(d3a and e288cc run at 20ma)...
View ArticleCoiled angled jack cable
Hi, I am looking for a short coiled cable with angled stereo jack. Like this : Amazon.com: 2' Coiled 3.5mm Male Right Angle to 3.5mm Male Right Angle Gold Stereo Audio Cable, Nylon Reinforced, Premium...
View ArticleYamaha PC2002M Help !!!
Hello i have a Yamaha PC2002M and i need to replace a diode it located on 517,518 on the DC Board 1/2 i look on the parts list and i goggled the list of Diode with little luck can someone please help...
View ArticleBattery charger for wider voltage range
I have bought some Li-ion batteries from China which are not what they purport to be. Outside of the capacity issue (they are less than 1/3 of claimed), they have a very wide voltage range and can...
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