Summary of G100 Final Edition
Page 1
1 phone-amp g100 final edition user´s manual.
Page 2: Content
2 content theme page about lake people 2 safety instructions 4 the earth / grounding concept 6 connection / connectors 7 general 8 operation 9 special functions 11 technical data 13 jumper settings 14 conformity statement 15 warranty 16 cordial thanks for your decision in favour of a lake people pro...
Page 3: Turmstrasse 7A
3 who manufactures lake people equipment ? The devices are exclusively manufactured in germany by lake people electronic gmbh or contractors in the company's vicinity. Lake people puts high emphasis on domestic manufacturing. As well, all component suppliers are chosen in order achieve the main part...
Page 4: General Safety Instructions
4 general safety instructions warning for your protection, please read the following: water, liquids, moisture: this appliance should not be used near water or other sources of liquids. Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings. ...
Page 5: Opening!! Avant D´ouvrier
5 mains fuse: the mains fuse of this appliance is soldered in place and accessible from the inside only!! A blown fuse may indicate an internal problem and should be replaced during qualified servicing or repair work !! Switchable power supply: connect this unit to the power source indicated on the ...
Page 6
6 the earth / grounding concept general ground-lift jumper - accessible from the inside. Mind the security instructions !! Ex-works this jumper is set to the lift position. The internal ground potential is “lifted” by means of this jumper. As a result, the interconnection for dc voltages and lower f...
Page 7: Caution
7 caution the high output levels achievable with this unit may damage your hearing or the headphones if operated carelessly !! Connection / connectors for analog signals s o u r c e 1 2 3 hot cold shield x balanced cable (signal) to (transformer) balanced input balanced incoming signal xlr male plug...
Page 8: General
8 general the phone amp g100 is a stereo headphone amplifier designed for low-, medium- and high-z loads (16 ... 600 ohms), as typical for most high-quality headsets. Due to its circuitry layout optimized in terms of noise/thd and specially adapted to the head-phones mentioned above, the phone-amp g...
Page 9: The Power Supply
9 jumper. If required, the jumper may be set to “gnd” position (see page 6: “the earth/grounding concept" and page 14: “jumper settings”). The power supply mains is connected via a three-pin iec/cee socket and a matching three-wire mains cable with schuko-type mains connector. The unit is factory-se...
Page 10: Operation
10 operation all controls and displays are located on the front panel. Power switch this switch activates the unit. Power-on status is indicated by the blue “on”-led beneath the switch. Volume control the “volume”-control pot determines the headphone volume for both left and right channel. The ampli...
Page 11: Headphones Outputs
11 its operating range covers nearly dc to 200 khz (-3db corner frequency) in order to ensure optimum linearity within the audible frequency spectrum. Overall gain is set to +8 db to enable the unit to drive high-z headphones at sufficient volume. Headphones outputs the phone-amp g100 offers two ste...
Page 12: Pre-Gain
12 see page 14 in the technical appendix. In “lift” position the internal reference ground becomes insensitive to low-frequency interference. High-frequency interference however is still bled off to ground or case respectively. Full electrical safety is granted all the time since the case is permane...
Page 13
13 technical data phone-amp g100 all measurement rms unwtd., 20 hz - 20 khz, pre-gain set to 0 db inputs: 2 x xlr female bal, 2 x cinch, unbal max. Input voltage: + 21 dbu, impedanz 10 kohms input impedance: 10 kohms nom. Input sensitivity: +6 dbu amplifier gain: +8 db overall gain with pre-gain : -...
Page 14
14.
Page 15: Conformity Statement
15 ec conformity statement : we herewith declare that the following unit name: lake people phone-amp g100 fe serial no. : -all - is in conformity with the following ec directives: 2006/95/eg low voltage directive 20014/30/ec emc directive en 60065:2002+a12:2011 security directives for audio-, jis c6...
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16 warranty since 1986 we are constructing and manufacturing sophisticated electronics for ambitious customers. Since the early beginnings we are trying hard by accompanying measures, the use of 1st choice components and multiple quality checks during production to avoid faults at large. We are quit...