Violectric HPA V200 Manual do Utilizador

1 HEADPHONE AMPLIFIER HPA V200 USER´s MANUAL

10GENERAL INFORMATION The HPA V200 is a stereophonic headphone amplifier designed to drive low-, medium- and high-Z loads (16...600 ohms) as usually

11 THE CASE The HPA V200's case as well as the front/rear panels are made of solid aluminium. This choice of material ensures high mechanical st

12 BALANCED SIGNAL INPUTS The balanced signal inputs are situated on the rear panel of the unit and are labelled as "BAL IN LEFT" and &quo

13 When a cinch plug is inserted, it cuts possible signals applied to the balanced input automatically. I.e. the cinch input has priority. Input imp

14 THE OPTIONAL DIGITAL INPUT Your headphone amp may be equipped with an optional DA converter with one out of 3 different digital inputs. The COA

15 Too loud ? Too soft ? The PRE-GAIN method The V200 is specially designed to drive headphones. Headphones however can present load impedances from

16- left and right channel should ALWAYS be set the same - never increase the setting by more than ONE step per channel at a time. If you find yo

17 THE AMPLIFIERS The input signals are fed to a stereo amplifier equipped with eight transistors per channel, which has been designed for this app

18Special functions Please note: In the following, the internal settings of the HPA V200 are discussed. For changing these, a TORX T10 screwdriver

19Things to know … The HPA V200 offers balanced and unbalanced inputs. Which advantages do balanced signals offer ? In contrast to unbalanced signal

2 Content Theme Page About Violectric 3 Safety Instructions 5 The Earth / Grounding Concept 7 Connection / Connectors 9 General 10 Operation 11

20Moreover, its structure has the advantage of thermal coupling between its internal components. Also ageing issues play a much less important role.

21 What about the quality of the USB input ? No matter if it's encoded MP3, CD audio with 16 bit or other audio files played back from the host

22In order to transmit these frequencies at optimum quality, the frequency response of an amplifier should be as wide and as "flat" as pos

23sound too spectacular at the first glance and can be achieved relatively easily. As with many things however, the devil is in the details and much

24lives on fast transients which put high demands on signal processing. And thus a fast transient can easily push an average amplifier with +/-15 vol

25TECHNICAL DATA HPA V200 All Measurements RMS unwtd., 20 Hz - 20 kHz, Pre-Gain set to 0 dB, Highpass active Inputs: 2 x XLR female, balanced, 2

26 JUMPER SETTINGS HPA V200

27EU CONFORMITY STATEMENT: We herewith declare that the following unit Name: VIOLECTRIC HPA V200 Serial No. : -all - is in conformity with t

28WARRENTY Since 1986 we are constructing and manufacturing sophisticated electronics for ambitious customers. Since the early beginnings we are try

3Cordial thanks for your decision in favour of a product ! is a trademark and product line of Lake People electronic GmbH. Lake People electronic

4How do devices get to the customer ? devices can be obtained from respective specialist suppliers. If there is none such accessible regionally, t

5General Safety Instructions WARNING For your protection, please read the following: Water, Liquids, Moisture: This appliance should not be used

6 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 probl

7The Earth / Grounding Concept General GROUND-LIFT Jumper (accessible from the inside. Mind the SECURITY INSTRUCTIONS !! ): Ex-works this jumper

8 Unfortunately there is no general recommendation how to solve hum and jitter problems - or even minimize them. The best way to succeed is to check

9Connection / Connectors for Analog Signals SOURCE123HOTCOLDSHIELDXBalanced Cable (Signal) to (Transformer) Balanced InputBALANCED INCOMING SIGNALX