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Owner’

s  Manual 

 

 

 

 

 

 

 

 

 

pre1 

 

 

Triode Class A Line Preamplifier

 

 

 

 

 

 

www.lab12.gr

 

 

manual v1.5 

Summary of Contents for PRE1

Page 1: ...Owner s Manual pre1 Triode Class A Line Preamplifier www lab12 gr manual v1 5...

Page 2: ...eamplifier Page 2 of 9 Table of Contents It is yours 3 Unpacking and warnings 3 4 Features 4 Installation Placement 4 Front Panel 5 Rear Panel 6 Remote Control 7 Main connections 8 For the safety of y...

Page 3: ...s solid state power supply with more than enough capacity and smart filtering Dual mono philosophy and fine symmetry exists in every stage of circuit and PCB and of course we use the SRSG topology in...

Page 4: ...n SRSG implementation Fine symmetry implementation 1 minute warm up time 5mm Aluminum face panel Five Years Guarantee Installation Placement Lab12 pre1 should be placed on a solid flat surface You sho...

Page 5: ...E1 are active LEDs D are blinking for 1 minute tubes warm up time after turning on the pre1 Make sure that the volume control is in a low level within this minute To the left of the 3 center LEDs you...

Page 6: ...ection sockets for inputs and outputs On the left side there are the two pairs of preamp outputs One RCA and one XLR A On the right of the preamp outputs you will find the line inputs named 1 to 5 B T...

Page 7: ...can fully control your preamplifier from IR remote control RC1 To the top of the remote control there are two buttons for output volume adjustment A Bellow the volume buttons you will find two button...

Page 8: ...ur Power Amplifier Make sure about the correct channel connections We suggest using a good quality interconnect cable pair You can use RCA or and XLR cables Connect an analog output Source Make sure t...

Page 9: ...io 90dB Maximum output 14V RMS Input impedance 50K ohm Output impedance 900 ohm Tube complement 2x 6922 EH dual triodes Inputs 5x line stereo RCA connectors Preamp outputs 2x line stereo 1x RCA connec...

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