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CUB-01 with SM or 400 transmitter


RPSharman

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I just got in touch with Ambient about the wiring scheme for the Cub 01 to work with both the Ambient Eumel adapter

and the lectro transmitters (servo bias and older models). Here is their reply:

"Regarding the CUB-01: you might just follow the instructions given in the pdf you sent me, it says it is compatible with other transmitters. But it seems to be old, pre-SMa or, more precisely, bias-select circuit. If you look at the pdf I'm sending you, it says that bias will be 4 V if there is a bridge from pin 2 to 4, with pin 4 open it is only 2 V, which is good for a B6, but not enough for a Sanken, and the pdf you sent me says there are 5 V bias without the bridge!

I would wire it differently:

Pin 1 = shield

white to pin 1 over a 1 K resistor

Bridge pin 2 to 4

Pin 3 = black

like a Cos-11 , please see last page of the pdf I'm sending you.

Generally, I would only use the wirings that are given under

"Works with Servo Bias Inputs and Earlier Transmitters:"

4 VOLT POSITIVE BIAS 3-WIRE ELECTRET

WITH EXTERNAL RESISTOR

otherwise it will not work on UM400 and UM400a. Please note that the 3-wire hook-ups are not compatible between older and newer Lectros!

Else, I had no problems hooking up CUB-01 the same way as COS-11

If you got more questions maybe Klaus would be the technically more competent person.

best regards

Sebastian Fell

Ambient Recording GmbH

Schleissheimerstr. 181c

DE 80797 Muenchen

The pdf he sent me is the pdf from Lectro with the full compatibility scheme for both servo bias and old transmitters. And the pdf I sent him was the wiring scheme from the lectro FAQ # 73, which he believes to be wrong.

From the FAQ section of the Lectro Site:

http://www.lectrosonics.com/faq/faq1byref.php?id=73

I intend to buy the Cub 01 pigtail and the Ambient Eumel adapter for TA5F connectors but I am not sure which

way to wire it. I have no idea as to how the Cub would behave with the lectro transmitter with this wiring that

the Ambient guys sugested. Anyone else using the Cub-lectro-Ambient combo?

Sorry if the post is a little bit confusing but my english is not so good.

Gabi Cunha

Brazil

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