Chiswick Reach Stereo Valve Скачать руководство пользователя страница 5 | Manualshive

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Chiswick Reach Stereo Valve Скачать руководство пользователя страница 5

2.2 Connections

All connections to the compressor are on the rear chassis,
together with the two fuse holders.

Signal connectors are

XLR

type and are wired to the following

convention:
• Pin 1

Ground

. Pin 2

Hot

. Pin 3

Cold

.

• Input and output are wired floating balanced.
• Signal ground is floating with respect to chassis.

Mains power input connector is a European standard IEC 3 pin
socket centre pin ground.

WARNING!

~ MAINS POWER GROUND MUST BE CONNECTED ~

It is also advisable to ground the chassis in the rack installation
if this method of mounting is used.

All European models are equipped for use with 240/220 volt
supplies only. Dual voltage available by special request.

Export models for the U.S.A. and Canada are fitted with
240/120 volt transformers and are dispatched wired for
120 volt

AC

mains supplies.

rear view

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Содержание Stereo Valve

Страница 1: ...Studio Manual version 2 0 chiswick reach stereo valve compressor ...

Страница 2: ...Contents 1 Introduction page 3 2 Installation Connections page 4 3 Controls page 7 4 Driving the Compressor page 9 5 Maintenance page 11 6 Troubleshooting page 14 2 ...

Страница 3: ...nal It is important however that some fundamental differences between solid state and valve equipment are appreciated so please READ THIS MANUAL The primary reason for using valve equipment is the quality of the sound that is obtained and the forgiving nature of this technology on the signal As with all matters involving the subjectivity of the senses when quality is the issue the Thermionic Vs So...

Страница 4: ... Vent panels are available from most rack manufacturers and professional audio equipment stockists In extreme cases fan cooling of the rack should be considered although most sound engineers dislike fans due to the noise produced The penalties of badly vented equipment will be premature ageing of the components lowered valve life and loss of performance This will be a slow process and will not be ...

Страница 5: ...chassis Mains power input connector is a European standard IEC 3 pin socket centre pin ground WARNING MAINS POWER GROUND MUST BE CONNECTED It is also advisable to ground the chassis in the rack installation if this method of mounting is used All European models are equipped for use with 240 220 volt supplies only Dual voltage available by special request Export models for the U S A and Canada are ...

Страница 6: ...put Level Right Channel Input Level Left Channel Indicator Stereo Link Threshold Release Output Attack Bypass Threshold Input Atten Attack Release Power Panel Meter Output Bypass Input Atten 3 Controls 6 ...

Страница 7: ... a 10dB reduction of the input signal before the Input control and input transformer This is useful in allowing the Input control to be operated at sensible mid settings when using high level sources and avoiding possible high level transient signals saturating the input transformer Input Control Quite obviously this controls the signal level into the compressor and as previously mentioned is befo...

Страница 8: ...e amount of gain reduction in dBs that the compressor is achieving For adjustment of the zero position see the Maintenance section Meter Presets Located in the centre of the panel below the Power and Stereo Link switches Top preset adjusts the right hand meter bottom preset the left hand meter Stereo Link In the down position this switch connects the control circuits in both compressor channels to...

Страница 9: ...ction sense the rule is there are no rules As a guide however here are some settings we have found useful in the studio Drums Snare Input Atten To taste Input Level To taste Threshold 6 Attack Fast tune to taste Release Fast Output Atten Use to reduce Output level Kick Input Atten To taste Input Level To taste Threshold 4 5 Attack Slow to taste Release Fast Output Atten If required Overheads Input...

Страница 10: ...t Atten Use to reduce Output level Bass Input Atten To taste Guitar Input Level To taste Threshold 5 Attack 4 Release 9 10 Output Atten In as required Big rich Input Atten To taste Hammond Input Level To taste Threshold 6 Attack Thump Release 9 10 Output Atten Use to reduce Output level Vocals Light Input Atten To taste Input Level To taste Threshold 6 7 Attack Fast Medium Release Breathy Fast Smo...

Страница 11: ...free but unlike solid state equipment which also goes wrong from time to time valves slowly age in use and this will change their operating parameters From time to time valves will require replacement and it is important to note that the valves in this unit are all SELECTED AND MATCHED on test in the unit to obtain optimum performance If a problem is suspected with any valve substitution from the ...

Страница 12: ...a or other refreshing beverage 3 With no signals present at the input ensure Input Level controls are turned right down 4 Set Threshold to zero Attack to Fast Release to Slow 5 Ensure Stereo Link switch is in up position no linking 6 Use a trimming tool or small instrument screwdriver turn the appropriate multiturn preset located on the front panel below the Power and Stereo Link switches until th...

Страница 13: ... Set Attack to Fast Release to Slow Adjust Input Level control to obtain 2 dB of gain reduction Ensure Stereo Link switch is in the up position no linking Adjust the presets with a trimming tool or instrument screwdriver shaft which are inside the hole in the black plastic nuts one for each channel located on the valve deck for minimum distortion Note If using an analyzer which displays harmonic a...

Страница 14: ... Is the panel INDICATOR glowing orange Yes Power is get ting in Proceed No Mains fuse back panel 1 amp blown replace with correct fuse Mains switch not on or faulty Neon indicator faulty in which case are the valves glowing orange No Mains transformer fault possibly seek technical advice Valves are glowing meters reading 0 Yes Proceed Meters moving in time to the music Proceed Meter reading below ...

Страница 15: ...ks seek technical advice Chiswick Reach Ltd Stereo Valve Compressor Tel 44 01707 268 555 Fax 44 01707 267 861 Mobile 07977 427 535 E mail support chiswickreach co uk or chiswick reach virgin net Extra copies of this manual new Chiswick Reach products info and the latest reviewscan be found on the Web at http www chiswickreach co uk For more background we recommend the following reading Tubes v Tra...

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