I was able to acquire another USB XMOS FUN01 modules (SU-1 Clone), with the exact same HW as my BlackGate™ module (aside from a few little changes). From the various … Continue Reading XMOS : BlackGate vs. SILMIC ARS “Super Gold” Capacitors (& Others) Direct Comparison (testing in progress) – Photos and a Preview
Just a reminder to anyone who has yet to sign up for the first Hallman Labs (review equipment) giveaway, the entry period ends at 12AM PST. You can find all … Continue Reading Last Chance to Enter Burson Play DAC/Amp Giveaway!
Don’t see this very often, even in classes they didn’t have one of these that had cracked the wax. First two pictures are with a 50mm lens. I noticed … Continue Reading Testing 500x Microscope out on 1000V Sprague (K631788-14) Capacitor (folded/rolled design)
Finally got a balanced (XLR in) headphone amp. 2.8 MHz is native DSD64 converted by DOP (DSD over PCM). This is a picture from my phone, but I wanted to … Continue Reading Preview of Hardware Reviews in Progress with sAp-10 – Balanced Headphone Amp under $200 (also the Burson Play DAC/Amp)
Update – May 15, 2018: I have almost finished restoring the bottom of the unit (where most of the components are) and expect to have it working in the next … Continue Reading High Res Photos of My New Sprague Tel-Ohmike TO-6A
After weeks/months of trying to get my Cornell Dubilier BF-50 cap analyzer to show what is expected for a good cap vs. a known bad cap, I reached out to … Continue Reading Hallman Labs Capacitor Analyzer : Sprague Tel-Ohmike TO-6A
I was using my Cornell Dubilier BF-50 (vintage) capacitor analyzer with all of the right things showing on the “Magic Eye” 6E5 (Philips JAN (Mil-Spec)) electron tube’s eye for leakage, … Continue Reading “Help”: My Cornell Dubilier BF-50 Is Testing Open Circuit as Good | Note : Treble Bleeds Halted
Well I currently have about 8 pages written of notes, thoughts on head to head Burson Play vs my custom ES9038Pro DAC. In the end it ended up … Continue Reading Apologies to the Neighbors (Burson Audio’s DAC Testing Reached 100.00dB max!!)
Here is a sneak peak at my reference DAC for all of the upcoming op-amp reviews. The Asian holiday really put a delay in this, but as always the hardware … Continue Reading The ES9038Pro DAC Returns! Expect Part 1 of Discrete Op-Amp Review by 3/10/18 (Saturday night)
Below is the 3rd official video from Hallman Labs. This is a time lapsed build log video for the common GM328 Transistor/ESR Testers. This one uses a more compact … Continue Reading Time Lapsed GM328 Transistor/ESR Tester + More Build Video
I had to wait for the Asian holiday to end (Feb 22nd) for the seller to ship out a replacement ES9038Pro completed DAC, in the enclosure with dual toroidal transformers. … Continue Reading Replacement ES9038Pro DAC Now In Route!
Below is the original thread post I made over on ComputerAudiophile.com forums. I am posting it here in the chance someone reading knows what is going on and how to … Continue Reading Houston, We Have Lost Contact: ES9038P DAC Troubleshooting
Update 1/21/18: I wanted to let everyone know how impressed I have been with this unit by just using the stock 5532 op-amps with this Douglas Self based circuit design. … Continue Reading DAC Accessory: XLR In -> RCA Out (Ckt Based on D. Self Design) Updated 1/22
In the photo below we have 4x Burson Audio V5-OPA-D, 4x Burson Audio V5-OPA-S, 3x V6-OPA-D “Vivid” along with two Orange Amplification discrete (Dual-DIP). Two of the V6-OPA-D casings lifted … Continue Reading Discrete Op-Amp Review, Prelude: Photos of Review Hardware (Burson V6-OPA-D “Vivid” Unskirted)
A quick look at Hallman Labs collection of DAC accessories or add-ons. Part 1