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Some subjective mental acrobatics for me to lean towards bi-amplification are as follows. Let me take a look at 50Hz and 5kHz notes reproduction as an example. A transient note for 50Hz (big drum hit!) will modulate 5kHz note. As no power supply is perfect, voltage fluctuations at 50Hz rate...

The crossover would be not bypassed completely. The low filter for woofer and high filter for mid-range and twitter would not be connected at the terminals with a crossbar.

For bi-amplification of F228Be with an active crossover, what should be a reasonable power rating for amplifiers driving low and high (medium and high drivers) on the speaker? The manual recommends 50-350W per channel with a single connection.

To be clear the dealer could not obtain the speakers from Revel as per the dealer communication to me. The dealer could not even get definitive ETA today about shipment to the store noting lack of response from the Revel's regional rep for New England.

Well, here is my bad experience with the Revel 'discount'. I placed and paid for an order for Revel PerformaBe F228Be in the walnut color on 09/16 during the 25% sale earlier this year. The order was with the official dealer in NH. On 10/21 I got an e-mail from the store that there was some...

From TI, "the input offset voltage (VOS) is defined as the voltage that must be applied between the two input terminals of the op amp to obtain zero volts at the output". Some advanced DIY design such as by AMB, provide ability to zero out a voltage offset resulting from the opamp selection...

FYI, upgrades are available including AMB's analog board with measurement showing improvements https://www.amb.org/audio/kappadcx/

The IC ROHM BD34301EKV looks pricy. Mouser lists $80.50 in the 1000 quantity.

But why does not Denon bother implement support for multi-channel audio streaming into a multi-channel receiver?!? This and way the control software work probably indicate the 2020 Denon AVR software is years behind what's in Yamaha Aventage. I look here...

I've upgraded from Yamaha RX-A1060 to Denon AVR-X4700H. The new unit is noticeably more compact and lighter. Subjectively the sound improvement is very noticeable on my NAD 804. Those at least 10dB (from RX-A1080 measurements by @amirm) in the measured difference can be heard! I am drawn to my...

Maybe also Living Stereo recordings https://www.amazon.com/Living-Stereo-60-Collection-Box/dp/B003UCPEJ2 ?

An option is XLR-to-RCA cable: https://www.monoprice.com/product?p_id=4775&gclid=CjwKCAjwyo36BRAXEiwA24CwGSLWVe9J-Ko7yTxjCFllaqMdLSEXQNHgj12En3epA08dixKPHYL9KhoC8NoQAvD_BwE Please check the wiring before the use on VTV, as there is not 'industry standard'.

I typically listen at a level that prevents talking on the phone, so I have to put on mute. Occasionally, maybe once a month I crank up to the ears pain point.

I'd appreciate any guidance on the following scenario. I consider an upgrade from NAD 804 to either Revel F228Be or Revel F226Be. Revel lists 50-350W as the recommended amplifier power range for F228BE and 50-200W for F226BE. Both speakers have 90dB sensitivity. I want to start with a stereo amp...

The power transistors can run hot and are designed for that. The electrolytic capacitors are a different story. I wonder what type capacitors are located in the vicinity of the hot areas in those AVRs. Normally each 10C T increase results in 1/2 of the electrolytic capacitor lifespan. As an...

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The DAC is barely warm at 32C after being on for many hours while in a room at 23C. The DAC temperature is taken using Fluke 62 Mini.

For sale is RME ADI-2 DAC (v1) at $900+ shipping. The unit is in the 'open box' condition. Please e-mail for any questions.