Instruction/ maintenance manual of the product 9523 Sound Performance Lab
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Model 9523 Manual Dual Channel Microphone Preamplifier.
by Hermann Gier , P aul White & P aul L entzen V ersion 2.0 – 10/1998 The information in this document has been carefully verified and is assumed to be correct. Howev er Sound P er formance Laboratory (SPL) reser ves the right to modify the product described in this manual at any time.
3 Co n t e n t s F oreword................................................................................................... 3 Introduction............................................................................................. 4 Operation Safety.
4 The recording industry has gone through some dramatic changes in the past years. The home recording market produces professional results with modest in vestments . Mainly inexpensive mixing consoles with lots of channels and 8-bus-option are being used.
5 The M IKE M AN is equipped with two electronically balanced, female 3-pole XLR sockets to connect two microphones or a line signals. The outputs of the M IKE M AN are designed balanced on male XLR sockets as well as unbalanced on 1/4“ jacks. T he outputs can be used parallel to each other .
6 C ontr ol Elements The preamplifier stage of the M IKE M AN is based on the SSM 2017 semiconductor . T he strengths of this particular component are its extremely low noise and distor tion characteristics.
7 -35 dB 48 V Phantom P ower 4 PPM Meter 5 2. The phase inv ersion feature is also v er y useful when the pola- rity of the XLR input jack has to be inverted to match the polarity of the microphone or the microphone cable. The pin assigment of the XLR connector is as follows: Pin 2 = hot (+) and Pin 3 = cold (-).
8 P o w er Supply Special attention has been paid to the power supply of the MikeM an. The power pack is the hear t of any unit, and the more accurately it works , the more this improves results .
9 Specifications F requency range 15 Hz- 40 kHz +/- 0,1 dB Overall fr equency range 10 Hz -100 kHz +/- 0,5 dB E.I.N. 126,6 dBm/dBu CMRR (common mode rejection) (Measuring set-up: load ohms 150 W , 0dB.
10 SPL electronics GmbH (hereaf ter called SPL) products are warranted only in the country where purchased, through the authorized SPL distributor in that country , against defects in material or workmanship.
An important point after buying a device Sound Performance Lab 9523 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sound Performance Lab 9523 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sound Performance Lab 9523 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sound Performance Lab 9523 you will learn all the available features of the product, as well as information on its operation. The information that you get Sound Performance Lab 9523 will certainly help you make a decision on the purchase.
If you already are a holder of Sound Performance Lab 9523, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sound Performance Lab 9523.
However, one of the most important roles played by the user manual is to help in solving problems with Sound Performance Lab 9523. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sound Performance Lab 9523 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
