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  1. thin bLue

    Yamaha RX-A8A Review

    람쓰 the member of our community kindly purchased it himself with his own money and asked me to measure it. I fried it. Then Repaired. Further more he just provide another Brand New One!!! And I made some mistake in measurements that made me to retest them. So he asked to Yamaha Korea lent their...
  2. thin bLue

    BUCKEYEAMPS Hypex NCx500 Amplifier 2channel Review

    Review of https://www.buckeyeamp.com/shop/p/hypex-ncx500-amplifier-2-channel 햇병아리 the member of our community kindly purchased it himself with his own money and asked me to measure it. Common- AMP at Mode ON (On - Off = plug-in/unplug) Load 4 Ohms (for power sweep, a pair of 4 x 16 Ohms 1000 W...
  3. thin bLue

    Keysight 34465A DMM Unboxing & My dummy loads verification

    100% I paid this for myself. POMONA Yeeees! Ah... Really? At this price point? Of course, I peeled off the thing. And now, I can precisely control the inside temperature of steaks. Steaks are umder control, stronger than ever. Anyway Pomona is good. One member claimed my loads...
  4. thin bLue

    LG USB-C Type Earphone jack adapter(3.5mm) EBX64331001 Simple Review

    USB-C 타입 이어폰잭 어댑터(3.5mm) EBX64331001 I bought this myself. Let's find out what I got with 10.77 USD. Under Asio4all 16 bit 192 kHz 90k 22.4k DC-90k Fr Textbook Flat DC-90k Multitone Not so impressive...but, under 11 USD (Including Shipping)??? Under REW 32 bit(?) 384 kHz...
  5. thin bLue

    I just Fried fairly expensive AVR which is NOT mine

    What is critical safety indicator for Amplifier? It was under 2% of THD+N ratio, stands a few sweeps and Suddenly just popped out and dead with little bit of smoke. 2 Ohm is quite harsh load, but for Over-3500USD-Priced products, I expected non-invasive safety engages. Now I know THD+N is not...
  6. thin bLue

    Marantz Cinema 50 AVR Review

    My Friends C50 and I don't know the price of this item. You can see what I saw. This is what it looks like. 4ohm, optical in, front LR, 20k 4ohm, optical in, front LR, 22.4k 4ohm, optical in, front LR, 40k 4ohm, rca in, front LR, 20k 4ohm, rca in, front LR, 22.4k 4ohm, rca...
  7. thin bLue

    QnA for P501 Review

    @boXem | audio 1. For who has no idea to read graph, that is 100% right. I thought "In my point of view, I gave as easy explanations as possible with my posting.", but now it seems I lacked thoughtful care about the fact that there are many more people don't have enough background knowledge and...
  8. thin bLue

    Marchaudio P501 Mono Block Power Amplifier Review

    (Photo from Marchaudio) I saw some of ASR members request about review this Amp. And for my personal curiosity I asked to Company to lend one for review. After I finished measurement, I asked company how to return. But the Company gave me right to dispose of it. Disclaimer This is a review and...
  9. thin bLue

    KGUSS DP-A1 Amplifier review

    This is a review and undetailed measurements of the KGUSS DP-A1 stereo Full-Digital power amplifier. It is on kind loan from 르나 of 'DCinside Speaker gallery' and costs 0 yet. (Return will coast about USD 5, but who cares!) A Cute small Multi functioned Amp. I tested with Both AUX in...
  10. thin bLue

    I got new microphone!

    I got brand new Earthworks M50. One of the most reliable amateur(48V powered) measurements microphone I can get my own money. "Transfer Function Mag - dB volts/volts (0.10 oct)(eq)(eq:aux)" "Hz" "Data" 10.0, 2.553364 765.4139, 2.553364 818.201, 2.561168 870.9882, 2.571134 950.1689...
  11. thin bLue

    Performance Limitation of Purifi Amplifier unit and boXem Arthur 4222/E1 Amplifier

    I commented about output power of 1ET400A and 1ET7040SA. And I could see some misleadings and errors. So i decided to start this thread. Let's check 1ET400A first. The current limit for the 1et400 is 25 A. Not 15 A as one of our member boXem claims. It is clearly stated in the data sheet...
  12. thin bLue

    Marchaudio P422 Stereo Power Amplifier Renewed Review

    After massive failure with my previous review(https://audiosciencereview.com/forum/index.php?threads/marchaudio-p422-stereo-power-amplifier-review.35969/), I got great technical supports from ASR, Speaker gallery of DC inside, E1DA Discord Channel(@IVX, @staticV3 ) and Marchaudio. (Detail for...
  13. thin bLue

    Marchaudio P422 Stereo Power Amplifier Review

    Read the newly written review with the correct measured values. https://audiosciencereview.com/forum/index.php?threads/marchaudio-p422-stereo-power-amplifier-renewed-review.37267/ "Edit : Fatal mistakes has founded. Do not use SIANAD and Other numbers of this review. I'll post new review and...
  14. thin bLue

    This is why Purifi woofer is da BEST

    Purifi, what else.
  15. thin bLue

    Best 15inch/38cm woofer units?

    With High BlieSMa T34B-4 https://hificompass.com/en/reviews/bliesma-t34b-4-beryllium-dome-tweeter Mid BlieSMa M74B-6 https://www.diymobileaudio.com/threads/bliesma-m74b-6-beryllium-dome-midrange.443888/ Low Purifi PTT8.0X04-NAB-01 https://purifi-audio.com/ptt8-0x04-nab-01/ What kind of...
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