PaulE Posted July 17, 2001 Share Posted July 17, 2001 Is the preamp stage in most $800 av receivers good enough to drive an external stereo amp to improved music sound quality? Quote Link to comment Share on other sites More sharing options...
Frzninvt Posted July 18, 2001 Share Posted July 18, 2001 I use my Denon AVR-3300 to run 3 outboard amplifiers, 1 Front, 1 Rear, and 1 Center with excellent results. The Denon is very clean sounding to start with but I wanted more power and dynamics to support my processors and did not want to overwork the power supply in the Denon. The signal is clean and noise free and now the Denon hardly works at all, and I have enough power to fill an dance hall with sound. ------------------ Sony KP-43T70 43" Television Denon AVR 3300 A/V Receiver (LF/RF) (LWE-I's w/Motion Feedback - Walnut) Yamaha M-80 Auto Class A Amplifier (LF/RF) (Belle's - Oak Clear/Cane Grills) DBX BX-2 2/3/4 Channel Power Amplifier (RR/ARR/LR/ALR) (Heresy II's (Walnut/Cane) & ESS Mini Monitors (Walnut)) DBX MPA-150 Mono Split Spectrum Amplifier © (KV-4 - Black) Klipsch KSW-15 Powered Subwoofer (2) Nakamichi DVD-10 DVD/LCD/CD Player Nakamichi MB-10 Music Bank CD Changer Technics SL-DL5 DDLinear Tracking Turntable JVC HR-S7500U SVHS Video Cassette Recorder VC3 Deluxe Video Clarifier DBX 400XG Program Route Selector DBX 120X-DS Subharmonic Synthesizer/Crossover DBX 3BX-DS 3-Band Dynamic Range Controller (2) (1-LC) (1-RC) DBX 14/10 14-Band Computerized Equalizer/RTA Analyzer/SPL Meter Panamax 1000+ Surge Protector/Line Conditioner Sega Dreamcast w/3 Controllers & VMU's/S-Video Output Bedroom Yamaha RX-900U Receiver Panasonic DVD-A120U DVD/CD Player Sony SLV-740HF Hi-Fi VCR BBE - ARS Audio Recovery System A/D/S L300E Mini Speakers GE 20" Television Quote Link to comment Share on other sites More sharing options...
Jobman Posted July 20, 2001 Share Posted July 20, 2001 Frzninvt: Can you describe how you have all those amps connected to the Denon? BY that I mean in what inputs and outsputs and wuth what kinds of cables or adaptors. Thanks Quote Link to comment Share on other sites More sharing options...
Frzninvt Posted July 20, 2001 Share Posted July 20, 2001 Hello Jobman, The Denon AVR-3300 has lots of pre-outs on the back of it making the connection of outboard amplifiers easy, I use the front pre-outs to feed the Yamaha M-80, the center out to feed the DBX MPA-150, and rear outs to feed the DBX BX-2 I am using Stinger Dream Series twisted pair interconnects treated with Caig's ProGold. I am using y-adapters to sum the center channel set of RCA's. Hope this helps. ------------------ Sony KP-43T70 43" Television Denon AVR 3300 A/V Receiver (LF/RF) (LWE-I's w/Motion Feedback - Walnut) Yamaha M-80 Auto Class A Amplifier (LF/RF) (Belle's - Oak Clear/Cane Grills) DBX BX-2 2/3/4 Channel Power Amplifier (RR/ARR/LR/ALR) (Heresy II's (Walnut/Cane) & ESS Mini Monitors (Walnut)) DBX MPA-150 Mono Split Spectrum Amplifier © (KV-4 - Black) Klipsch KSW-15 Powered Subwoofer (2) Nakamichi DVD-10 DVD/LCD/CD Player Nakamichi MB-10 Music Bank CD Changer Technics SL-DL5 DDLinear Tracking Turntable JVC HR-S7500U SVHS Video Cassette Recorder VC3 Deluxe Video Clarifier DBX 400XG Program Route Selector DBX 120X-DS Subharmonic Synthesizer/Crossover DBX 3BX-DS 3-Band Dynamic Range Controller (2) (1-LC) (1-RC) DBX 14/10 14-Band Computerized Equalizer/RTA Analyzer/SPL Meter Panamax 1000+ Surge Protector/Line Conditioner Sega Dreamcast w/3 Controllers & VMU's/S-Video Output Bedroom Yamaha RX-900U Receiver Panasonic DVD-A120U DVD/CD Player Sony SLV-740HF Hi-Fi VCR BBE - ARS Audio Recovery System A/D/S L300E Mini Speakers GE 20" Television Quote Link to comment Share on other sites More sharing options...
PaulE Posted July 20, 2001 Author Share Posted July 20, 2001 Frzninvt: When I went from just receiver (Sony STR-V333ES) to receiver driving amp (Audiosource Amp3) via preouts, I found that, even though the amp is 150 wpc and the receiver 110 wpc, the decibel level which had normally been 80 at a given volume was now about 75...That is to say, the preouts must be reducing the signal a bit...The receiver has 2V preouts....Did you find the same thing on your Denon? What voltage spec is on your front R&L preouts? Quote Link to comment Share on other sites More sharing options...
Frzninvt Posted July 21, 2001 Share Posted July 21, 2001 No, I did not notice a drop in volume level, but I went from 105W to 250W. The Denon user manual shows the analog pre-outs variable from 1.2V to 8V depending on what level you have the individual channel set to. Each channel is adjustable from -12db to +12db and I would assume that "0" is 1.2V and "+12" is 8V. I leave the mains set to 0 or +1, the center at +5, to compensate for the 99db efficiency of the KV-4 versus the 104db of the Belle's. The rears are set to +3, and the subwoofer to +4 I would guess that the Sony should have the same ability to compensate for speaker efficiency and input sensitivity levels on outboard amplifiers. I hope I understood your question correctly. ------------------ Sony KP-43T70 43" Television Denon AVR 3300 A/V Receiver (LF/RF) (LWE-I's w/Motion Feedback - Walnut) Yamaha M-80 Auto Class A Amplifier (LF/RF) (Belle's - Oak Clear/Cane Grills) DBX BX-2 2/3/4 Channel Power Amplifier (RR/ARR/LR/ALR) (Heresy II's (Walnut/Cane) & ESS Mini Monitors (Walnut)) DBX MPA-150 Mono Split Spectrum Amplifier © (KV-4 - Black) Klipsch KSW-15 Powered Subwoofer (2) Nakamichi DVD-10 DVD/LCD/CD Player Nakamichi MB-10 Music Bank CD Changer Technics SL-DL5 DDLinear Tracking Turntable JVC HR-S7500U SVHS Video Cassette Recorder VC3 Deluxe Video Clarifier DBX 400XG Program Route Selector DBX 120X-DS Subharmonic Synthesizer/Crossover DBX 3BX-DS 3-Band Dynamic Range Controller (2) (1-LC) (1-RC) DBX 14/10 14-Band Computerized Equalizer/RTA Analyzer/SPL Meter Panamax 1000+ Surge Protector/Line Conditioner Sega Dreamcast w/3 Controllers & VMU's/S-Video Output Bedroom Yamaha RX-900U Receiver Panasonic DVD-A120U DVD/CD Player Sony SLV-740HF Hi-Fi VCR BBE - ARS Audio Recovery System A/D/S L300E Mini Speakers GE 20" Television Quote Link to comment Share on other sites More sharing options...
Chris Robinson Posted July 27, 2001 Share Posted July 27, 2001 Does the Denon 4800 have all those pre-outs for the center and rears as well? Quote Link to comment Share on other sites More sharing options...
PaulE Posted July 27, 2001 Author Share Posted July 27, 2001 I think the 4800 must have all the preouts...I only am using my front r&l, and the sub out, because I find the receiver itself is good enough certainly to drive the center and surrounds...Like I said, I think most of the better HT receivers do a very good job with HT. Where they fall short often is playing music as good as a dedicated preamp/amp setup...This is where the most benefit can be derived by running a separate stereo amp via the front preouts, and have the receiver drive the rest. Quote Link to comment Share on other sites More sharing options...
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