Quad Help!

**spendorman** · 15-03-2009, 14:37

Originally Posted by symon

I think I almost blew them just now! I had a button pushed in and the volume up. I pushed the button out and the speakers farted very very loudly!!! I don't think I've broken anything though.

Err, think most have done similar.

**spendorman** · 15-03-2009, 14:42

Not a very helpful suggestion right now, but some 5 pin Din to phono leads and 4 pin Din to phono may be useful in testing out the Quad stuff.

If your CD has a volume control you could connect it straight to the 405 to check the power amp.

**spendorman** · 15-03-2009, 14:46

Once the power amp has been confirmed as OK, perhaps connect the 33 to it using the 4 pin Din to 4 Pin Din lead. (it is possible that you have a faulty one of these cables).

**symon** · 15-03-2009, 14:49

Hmm, I was wondering about the cables.
I don't think you can connect direct to the 405, without going through a pre-amp.

I'm not sure I have the ability to connect my Denon to the 405, with the Denon acting as a pre-amp.
At the moment, I only have one set of connectors.

**spendorman** · 15-03-2009, 14:52

Originally Posted by symon

Hmm, I was wondering about the cables.
I don't think you can connect direct to the 405, without going through a pre-amp.

I'm not sure I have the ability to connect my Denon to the 405, with the Denon acting as a pre-amp.
At the moment, I only have one set of connectors.

Yes, you can connect 405 straight to a CD, no pre needed, but a volume control is. You will need leads though.

I have run my 405-2 straight off a CD player, off PC sound card etc. etc.

**spendorman** · 15-03-2009, 14:54

You can test out that 4 pin din to 4 pin din lead with torch bulb and battery if you do not have a meter.

**symon** · 15-03-2009, 15:00

Originally Posted by spendorman

You can test out that 4 pin din to 4 pin din lead with torch bulb and battery if you do not have a meter.

How?

**spendorman** · 15-03-2009, 15:07

Connect one end of bulb to battery with a bit of wire, other end of battery to another wire so you have a free end.

Other end of bulb connect another wire, so you have another free end.

When both free ends are touched together, bulb lights, this gives you a continuity tester.

Check out from pin 1 of one end of Din lead to pin 1 of other end of din lead and so on.

**spendorman** · 15-03-2009, 15:18

Just looked at a cable that I use to connect 405-2 and 303 amps. Pin 4 is not used, pin 2 is earth pin 3 signal, pin 1 signal.

Pin 1 is connected to Pin 1 (at other end of lead)
Pin 2 is conn to Pin 2
Pin 3 is conn to Pin 3

**symon** · 15-03-2009, 15:20

Ok - cool, will try that.

Here's a photo of the back of the 405:

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