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I have an O2 amplifier and I have some questions: - Is the standard gain(2.5x , 6.5x) the highest gain possible with O2 ? - how do I know if my O2 is set to the standard gain without looking at the PCB ?

I am looking to buy the Creative GC7 but the output impedance is 10Ω, Should I worry about this ? I want to pair the following headphones with it(through headphone out jack): M-Audio Q40, Monoprice Modern Retro, KOSS Prodj200, Creative Aurvana Live! SE, Creative Aurvana Live! 2, Sennheiser PX...

Which DAC has the better measurement ? The measurements that were posted here at ASR show that the E30II/lite have some jitter problems through optical-in which are not audible...whereas the SMSL SU1 does not have this problem.... Should I worry about this ? Which one would you personally go...

So I recently purchased an O2 headphone amplifier that comes with a WAU12-200 power supply. Some quotes from NwAvGuy's blog: Now I have more powerful amps, but I just wanna make my O2 compatible with all my headphones. The only planars I have are the HE-400 , T50RP MK3 and I have plans to...

Would you rather buy DAC+AMP combos(single unit) or separate DACs and AMPs(stacks) ? Are there any cons/pros for each setup ? Obviously you have to use RCA/stereo cables with the stacks, Do RCA/stereo cables degrade the sound ? share your thoughts

The power specs for Sabaj A20h are: Are these power ratings for the balanced out or the unbalanced out ? How does the power ratings of Sabaj A20h's unbalanced out compares to Topping L30 II's unbalanced out ? Which one can drive DT990 250ohms better ?

Between SMSL M3 and Sabaj PHA2, Which one has more power ?

These are the units: Douk Audio U3 Creative G6 SMSL SU1 Sabaj PHA2 Which USB charger brand should I purchase for these ? Amazonbasics, Anker, Samsung or Ugreen ? out of these: Ugreen UGreen2 AmazonBaics Anker Anker2 which one is the best ? any recommendations ?

Lets say you buy a USB DAC that does not have any drivers online. There is no manufacturer website and no other info are given. Is there a way to find the driver manually through the following procedure: - Connect the USB device. - Go to device manager under windows. - Go to Sound, video and...

I want to buy a 3.5mm to RCA cable, Do RCA cables matter ? I am looking at these two cables: https://a.co/d/a1t1FqQ https://a.co/d/izJ1CYX Which one should I go with ? Are there other cables in the same price range that I can purchase ? (I need a 3.5mm to RCA cable that is shorter than 0.5...

Standalone DACs with no volume knobs usually have a fixed output when you set their volumes to max in Windows. Which is usually around 2Vrms ? For example, To use Atom DAC+ and SMSL SU-1 DACs you have to set their volumes to max in Windows and then they both output around ~2Vrms ? (By DAC/AMPs...

I have the following DAC/AMPs: Creative X7 Creative G6 FX-Audio DAC-X6 MKII Zorloo ZuperDac And the following standalone DACs: JDS Labs Atom DAC+ S.M.S.L SU1 I am a n00b when it comes to audio science so consider that when answering me. I want to use my DAC/Amp units as standalone DACS. I...

I want to buy several headphone amplifiers that are powered by DC power supplies because some of them don't come with a power supply and some have crappy power supplies...Therefore, I need to buy a good universal power supply. I am looking at these two : (1) https://a.co/d/hJKdDF7 18W (6V...

I am looking at the Deva pro and I have some questions: - I own the old HE400, Would you consider Deva Pro to be an upgrade to the old HE400 ? - Does Deva Pro use stealth magnets ? what are the benefits of stealth magnets ? What other headphones use stealth magnets ? - Some Hifiman drivers...

I currently have a Schiit Heresy(The older one with a HI/LO gain switch at the back) and an ATOM+ DAC ... That's my best setup. You can also see my other setups and the headphones I use in my signature.... Does upgrading to L30II/E30II make sense ? Would you call it an upgrade or a sidegrade ?

If the battery dies, can i still use the amp like a desktop amp by always having the power cable connected to it?

Does transformer coupled sound as tuby as an OTL or a hybrid? I am looking at these two amps: MP 301: https://www.musicalparadise.ca/store/index.php?route=product/product&path=59&product_id=54 MONOLITH 29511: https://qa2.monoprice.com/product?p_id=29511 Which one do you recommend ? Any...

I am building the mini3 amp and I have a questions: At default gain(5x) the power rating is: 200mWrms into 33Ω 30mWrms into 330Ω if I build the amp with a gain of 8x, what would the power rating be ? Also, can you calculate power ratings at other impedances ? like...

I want to make my own CMOYBB and AMB Mini3. Do these amps work without a battery ? Will they work If I power them with a power adapter with no battery inside ?

Software EQ: By software EQ I mean an EQ done by a computer program like Equalizer APO. Hardware EQ: By hardware EQ I mean an EQ done by a DSP chip in units like Creative X7 or Monolith 124459. Analog EQ: By analog EQ I mean an EQ done to an analog signal by units like Schiit Loki/Lokius...