AVR Hack for Pre- outs. Had been simply wondering when it is possible to hack an AVR without pre-outs to supply preamp sign become given to an amplifier that is external.

Well-Known User

Ended up being just wondering when it is feasible to hack an AVR without pre-outs to produce preamp sign become fed to an amplifier that is external. After some R& D came over the following 2-3 choices to take action:

1. Surgery- open the AVR , discover the alert course between preamp and amplifier board and solder a cable through the preamp FL, FR and ground down to an unused RCA port on the rear of the AVR. Nevertheless thinking about the price of an AVR it is hard for most people to make use of this program even though it can be easily be done by FMs with some tinkering experience. The effect would be the identical to having pre-outs to an otherwise sealed AVR.

2. Utilize a advanced level – Low degree converter: this really is a thing that is employed in automobile sound for connecting an amp that is external a factory fitted automobile amp without pre amp outs. The converter essentially converts the high wattage presenter sign to low wattage signal which is often properly given to some other amplifier. But i’m perhaps not sure if this revolutionary product designed for vehicle sound are designed for a big wattage sign originating from an AVR intended for center/ FL/FR (never mind the usage of technical terms such as for instance wattage since I have do not participate in “that” industry)

3. Make use of a specialist converter such as Behringer DI 4000- for about INR 3,900 (for 1 channel) to about INR 9,000 (for 4 stations), this appears like an option that is viable. The only requirement will be compared to a XLR to RCA converter to feed the production to your RCA ins of a energy/ integrated amp.

When we can use some of the 3 techniques above then there defintely won’t be a necessity to purchase high priced AVRs (aside from more networks). We are able to merely include energy amps and run the show.

There isn’t most of product regarding the approach that is above. If some of you have got tried these methods or have actually remarks about what might work please inform me.


Well-Known User

Though i’ve never tried your idea, it appears interesting to incorporate pre-outs to an AVR (if it can be done).. Guess, it might need a talented individual to accomplish this (or) a person who knows electronic devices perfectly..

Best of luck, and keep us published on which you determine to do..

Well-Known Member

Surely well well well worth a go whether or not it’s your extra receiver sitting idle. If you don’t, simpler to obtain an older marantz nr series with pre outs and begin enjoying the movies faster.


Well-Known User

Positively well worth an attempt if it is your extra receiver sitting idle. If you don’t, far better to get an older marantz nr series with pre outs and begin enjoying the movies faster.

The passive high to voltage that is low arrived yesterday. It was connected by me towards the front kept and front right speaker outs of this Denon 2500H receiver. The outputs for the converter had been attached to the RCA ins (CD) of this Rotel RA 10 amplifier. The leading Left and Front Right Speakers were attached to the Rotel’s FL and FR terminals. I disconnected other speakers from the AVR making sure that i really could do a little listening that is critical understand distortions in noise if any.

We carefully fired up the AVR and also the Rotel with both dials (volume) at Nil and played a Vinyl by way of a TT linked to the Denon AVR. First we increased the Denon amount slowly to see then turned up the Rotel to about 9 o clock if there were any temperature spikes anywhere (heat) and. I became happily surprised to be greeted by sweet music. No distortion- humming or hiss of every type. There was clearly a small increase in low end plus some sparkle during the end that is top. I happened to be astonished because of the bass since I experienced never heard my bookshelves create such bass before. Nonetheless it was not overpowering or fatiguing one other frequencies. I became hearing music extremely critically yesterday and checking conditions regarding the AVR, Rotel and a lot of significantly the converter that is passive. The Rotel had been slightly hot all over heatsinks and also the Denon ended up being starting to warm up somewhat. I happened to be hearing music for https://besthookupwebsites.net/habbo-review pretty much 2 hours from Jagjit Singh to Bob Dylan to Bollywood songs streamed from Amazon music yesterday.

After 2 hrs, the Rotel stayed hot maybe not hot. The AVR had been warmer but i suppose this is because of continuous 2 hrs usage and the converter had been because cool as being a cucumber.

Impressions regarding noise in basic:

1. Slight uptick in low frequencies- which added definitely to your experience. 2. silence that is complete hiss- hum 3. Very wide soundstage- sometimes going beyond your speaker width 4. Vocals were crystal clear- in fact in another of the tracks i possibly could feel Kumar Shanu operating away from breath at the end end 5. Vocals seemed elevated through the remaining portion of the sound field and I suggest literally- focused but somewhat gaining in height- have no idea should this be good or bad but sounded good.

Cons: 1. AVR continues to be making use of the amp section (cant bypass this unless I start the AVR and bypass the amp) 2. The sign is certainly going through 2 preamps- the Denon plus the Rotel. This may carry on unless we link energy amp.

I shall continue steadily to try this for a lengthier duration and then purchase a different one when it comes to center channel