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8020 and TV cables: either no vocals or lots of hum?

pkorkman, modified 9 Years ago.

8020 and TV cables: either no vocals or lots of hum?

Youngling Posts: 9 Join Date: 1/4/13 Recent Posts
I'm probably being embarrassingly stupid, but here's my problem:

I want to connect my two genelec 8020B monitors to my TV and retain control over the sound volume, preferably using the same old remote control. The only way to achieve this on my Sony TV seems to be use the headphone out. What sort of cables should I use?

1) I can connect an XLR-Plug cable through an adapter to the mini-plug input of the headphone out in the TV, but then I get a sound without any vocals: i.e. I lose the middle of the stereo field entirely. Somehow one channel seems to get inverted or something, so all middle sounds are cancelled by phase cancellation? It happens on the way from the headphone out (which works normally otherwise) to the genelec.

2) if I connect with XLR to RCA connectors, I get some hum plus I lose control over volume, as my oldish TV has no option for ruling the RCA audio output through the remote.

3) I have some XLR to RCA adapters. If I attach those to the genelecs, I can then use a cable that combines two RCA males with one stereo miniplug. Vocal's back, so that's great? Except that this does produce lots of hum.

I've looked at the picture of the connector described in the tips section, but from what I see, my alternative 1 seems to be pretty much the same, yet it has the above-descript problem. Or is there something I'm missing here?

If somebody can suggest what sort of cable I should order (I live in Finland) to get this sorted out, I'd appreciate it a lot. I'll throw in a bonus smiley if you manage to explain in simple terms to me what it is that I screwed up here! :!:

Petter

************************************

I may later on have to consider buying some sort of device for managing my various inputs, and this might allow to solve the above issue(s) as well I suppose. Is there an easy to use, small, and inexpensive device out there that would allow connecting both the TV, a CD player, and some other sources, to one device with remotely controlled input selector and volume control - and preferably with XLR outs, while we're at it?

best, P
ilkka-rissanen, modified 9 Years ago.

Re: 8020 and TV cables: either no vocals or lots of hum?

Yoda Posts: 2564 Join Date: 3/23/09 Recent Posts
Hi,

You should use this kind of cable: http://www.verkkokauppa.com/fi/product/ ... ic-2-x-XLR Try to avoid using adaptors etc, because you might get strange effects like you mentioned.

If a direct cable produces hum or noise, then the headphone out is not high quality enough.

For affordable pre-amplifiers, check out Pro-ject:

http://box-designs.com/main.php?prod=pr ... er&lang=en (RCA connectors)
http://box-designs.com/main.php?prod=pr ... er&lang=en (RCA and XLR connectors)
walford, modified 8 Years ago.

Re: 8020 and TV cables: either no vocals or lots of hum?

Youngling Posts: 3 Join Date: 1/5/13 Recent Posts
Hi Ilkka,

I have similar challenges as "pkorkman" with volume control question but would hope to avoid buying a pre-amp if possible.

Set-up:
Couple of Genelec Active Loudspeakers (hopefully G4) connected to Nokia "Home Music WiFi radio" (here after "Table Radio" through the 2 RCA line out. A "Nokia MD-310 Bluetooth Music Streamer" (here after "BT streamer" connected to the 3.5 mm audio input.
The Nokia table radio volume control does not control the Genelec active loudspeakers.

Use case 1
When streaming wirelessly music from a phone to the Table Radio via the BT streamer, all if fine. I can control sound volume from my phone.

Use case 2
When playing radio (internet /normal FM) from the Table Radio, I am not able to control the sound (beside off course touching the Active loudspeaker volume knob).

Questions:

1) If I want to keep the set-up as minimalist as possible (no pre-ampli) what are the other options to control the volume for the use case 2?

2) Would you or any body have experiences on this volume control: "TC Level Pilot Desktop Active Studio Monitor Volume Knob Control System"

3) When G4 in white will be available in Finland?

Thanks.

Equipment description:

Table radio
http://www.reghardware.com/2010/09/08/nokia_home_music_review/
Nokia Wireless Music Receiver MD-310
http://press.nokia.com/wp-content/uploads/mediaplugin/doc/nokia-wireless-music-receiver-md-310-data-sheet.pdf
TC Level Pilot Desktop Active Studio Monitor
http://www.axemusic.com/store/product/19707/TC-Level-Pilot-Desktop-Active-Studio-Monitor-Volume-Knob-Control-System/
ilkka-rissanen, modified 8 Years ago.

Re: 8020 and TV cables: either no vocals or lots of hum?

Yoda Posts: 2564 Join Date: 3/23/09 Recent Posts
Hi Walford,


1) If I want to keep the set-up as minimalist as possible (no pre-ampli) what are the other options to control the volume for the use case 2?

For example this: http://www.genelec.fi/tuotteet/lisavarusteet/9000a/ or the TC Level Pilot.


2) Would you or any body have experiences on this volume control: "TC Level Pilot Desktop Active Studio Monitor Volume Knob Control System"

I haven't used it personally, but in generally TC Electronic makes good products.


3) When G4 in white will be available in Finland?

G Four is available in both colours (black and white) as we speak.