Well-Known User
Had been simply wondering in case it is feasible to hack an AVR without pre-outs to supply preamp sign become given to a outside amplifier. After some R& D came over the following 2-3 choices to accomplish it:
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 off to an unused RCA port on the rear of the AVR. Nevertheless thinking about the cost of an AVR it is hard for many people to utilize this method though it can be simply be done by FMs with some tinkering experience. The end result could be the just like having pre-outs to an otherwise sealed AVR.
2. Make use of a oasis dating sites higher level – Low amount converter: it is something that is employed in automobile sound in order to connect an amp that is external a factory fitted vehicle amp without pre amp outs. The converter fundamentally converts the high wattage presenter sign to low wattage signal that can be properly fed to a different amplifier. Nevertheless I’m not certain that this product designed for automobile sound can handle a wattage that is large originating from an AVR intended for center/ FL/FR (do not mind the application of technical terms such as for example wattage since I have do not are part of “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 a viable option. The requirement that is only be compared to a XLR to RCA converter to feed the production into the RCA ins of a energy/ integrated amp.
Then there won’t be a need to buy expensive AVRs (except for more channels) if we can use any of the 3 methods above. We could just include energy amps and run the show.
There isn’t much of product regarding the above approach. If some of these methods have been tried by you or have actually remarks about what might work please inform me.
elangoas
Well-Known User
It sounds interesting to include pre-outs to an AVR (if that is possible).. Guess, it can need an experienced individual to achieve that (or) an individual who understands electronics perfectly. though i’ve never tried your concept,.
All the best, and keep us published on which you determine to do..
Well-Known User
Positively worth an attempt if it is your receiver that is spare sitting. If you don’t, simpler to get an older marantz nr series with pre outs and commence enjoying the movies faster.
Amarendra
Well-Known User
Positively well worth an attempt if it is your receiver that is spare sitting. If you don’t, more straightforward 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 into the front left and front right speaker outs associated with Denon 2500H receiver. The outputs of this converter had been attached to the RCA ins (CD) associated with Rotel RA 10 amplifier. The leading Left and Front Right Speakers were attached to the Rotel’s FL and FR terminals. We disconnected all the speakers from the AVR to ensure that i really could do a little critical listening and realize distortions in noise if any.
We carefully switched on the AVR while 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 if there have been any heat surges anywhere (heat) then turned up the Rotel to about 9 o clock. I became happily surprised to be greeted by sweet music. No distortion- humming or hiss of any type. There was clearly a small spike in low end plus some glow in the upper end. I became astonished because of the bass since I had never ever heard my bookshelves create such bass before. Nonetheless it was not overpowering or fatiguing one other frequencies. I happened to be playing music extremely critically yesterday and checking conditions associated with AVR, Rotel and a lot of significantly the converter that is passive. The Rotel ended up being slightly warm across the heatsinks while the Denon ended up being warm up somewhat. We was hearing music for nearly 2 hours yesterday from Jagjit Singh to Bob Dylan to Bollywood tracks streamed from Amazon music.
After 2 hours, the Rotel stayed hot maybe not hot. The AVR was warmer but i suppose this is because of continuous 2 hrs usage and the converter ended up being because cool as being a cucumber.
Impressions regarding noise in general:
1. Small uptick in low frequencies- which included definitely into the experience. 2. silence that is complete hiss- hum 3. extremely wide soundstage- often going outside of the presenter width 4. Vocals were crystal clear- in reality in certainly one of the songs i really could feel Kumar Shanu operating away from breathing in the bottom end 5. Vocals seemed elevated from the remaining portion of the sound field and I mean 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 we start the AVR and bypass the amp) 2. The sign goes through 2 preamps- the Denon plus the Rotel. This may continue unless we link a charged energy amp.
I am going to continue steadily to try out this for an extended duration and then purchase a different one for the center channel