headway EDB-2 VAP User manual

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EDB-2 VAP
INSTRUCTION MANUAL NEW FOR 2023
Aims to achi v an optimum standard of ff ctiv , pl asing
and troubl fr acoustic amplification
EDB-2 VAP
Equaliser Direct Blender ~ Valve Alchemy Professional
2 Chann l Pr -amplifi r & Harmonic Enhanc rs
CAUTION / Mis-Us : Will not op rat , may b inconsist nt or
could caus damag with us of incorr ct DC Pow r Supply.
S El ctrical Sp cifications 19.2
EDB-2 VAP should b trial d and g n rally op rat d via th
suppli d DC Pow r Supply Unit
Contact with rain or liquids ar lik ly to incur damag
Handl EDB-2 VAP with car . Fragil int rnal valv (tub ).
Do NOT drop or throw
Without additional suitabl quipm nt EDB-2 VAP will not driv
sp ak rs, h adphon s or produc it’s own sound
Will NOT acc pt a Pow r Amp into th jack or XLR sock ts as
would b damag d
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CONTENTS OF EDB-2 VAP RETAIL PACKAGING BOX:
Multi Function Pre-amplifier
C Power Supply Unit (as standard) with mains plug type according
to dealer territory
Leather (PU) Chest Bag with Headway logo for hands free
transportation
Instruction Manual
Guarantee Card & (( HEA WAY )) Logo Stickers. Please apply
stickers to instrument cases etc
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TABLE OF CONTENTS
1.0 SAFETY PRECAUTIONS & OPERATION
1.1 IMPORTANT SAFEGUARDS
1.2-1.6 SERVICING, REPAIRS, RETURNS & LEGAL
1.7 WARRANTY / GUARANTEE TERMS
1.8 STORAGE & TRANSPORT
2.0 EDB-2 VAP - POWER ON
3.0 PICKUPS AND MICROPHONES TO INTERFACE
3.1 IMPEDANCE SWITCHES
3.2 LEAD / CABLE NOTES
4.0 CH.1. JACK INPUT
5.0 MUTE / LIVE SWITCHES ON Ch.1 & 2
6.0 ROTARY POT CONTROLS
6.1 GAIN CONTROLS
6.2 GAIN & MASTER - JOINT OPERATION
6.3 5 BAND INTERACTIVE EQ - Ch.1 & 2
6.3.5. PRE-POST EQ SWITCH: D.I XLR OUTS
7.0 HARMONIC ENHANCER - H.E.A.T :
7.1 “HIGH” ENHANCER ~ ANALOGUE
7.2 “RICH” ENHANCER ~ VALVE
8.0 Ch. 2 / STEREO IN / XLRs & MICROPHONES
9.0 PHANTOM POWER
10.0 NOTCH FILTER – ANTI-FEEDBACK / BOOM
11.0 RANGE CONTROLS – ANTI-FEEDBACK / HIGH PASS
FILTER
12.0 PHASE REVERSE - ANTI-FEEDBACK
13.0 SEND & RETURN - FX LOOP & INSERT POINT
14.0 AUXILIARY (AUX) IN
15.0 MASTER VOLUME
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16.0 OUTPUTS
16.1 ANALOGUE OUTPUTS - “LINE OUT” JACK SOCKET
16.2 D.I. SOCKETS - XLRs x 2
17.0 USB CHARGER - DIGITAL DEVICES
18.0 POWERING -
18.1 POWER SUPPLY UNIT ( DC )
18.2 BATTERY BACKUP
19.0 SPECIFICATIONS
19.1 PHYSICAL SPECIFICATIONS
19.2 ELECTRICAL SPECIFICATIONS
20.0 TROUBLE SHOOTER CHECKLIST
21.0 HEADWAY PRODUCTS
22.0 POLICY OF CONTINUAL IMPROVEMENT
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EDB-2 VAP FEATURES DIAGRAM -
Top Pan l – Upp r Front Pan l S ction
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Top Pan l – Low r Front Pan l S ction
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Sid Pan ls
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Front/R ar Pan l
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EDB-2 VAP
Bottom Pan l
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Pl as r ad all warnings on H adway EDB-2 VAP v ry car fully
1.0 SAFETY PRECAUTIONS & OPERATION
1.1 IMPORTANT SAFEGUARDS to your lif and g ar to not
b for us of your EDB-2 VAP
IMPORTANT: Pow r only by H adway EDB/VAP PSU v rsion
suppli d. Or PP3 (9v) batt ri s x 2 for backup op ration.
Batt ri s will NOT pow r valv or USB Charg r
DANGER! DO NOT OPEN/ DISASSEMBLE EDB-2 VAP UNLESS
YOU ARE AN ACCREDITED ELECTRONICS TECHNICIAN AND
YOU HAVE BEEN SPECIFICALLY AUTHORISED IN ADVANCE
TO DO SO BY HEADWAY MUSIC AUDIO LTD
Us r S rvic abl parts on EDB-2 VAP: Only 12AX7 Valv und r
it’s cov r, PP3 batt ri s and th knobs push d onto pots
(rotary controls). You may us “Switch Cl an r with Lubricant”
from outsid of m tal nclosur on moving parts
BEWARE! - HIGH VOLTAGES IN PROXIMITY TO VALVE !
( TUBE ). Do NOT op n th Valv Cov r unl ss changing th
valv . Ensur Pow r is OFF and unplug Pow r Supply Unit and
allow valv to cool down for at l ast 3 minut s and do NOT
touch m tal t rminals in cas of a capacitiv l ctric shock
POWER SUPPLY UNIT - DC Adapt r Mains Plug Conn ctor
Typ s availabl for EDB-2 VAP. S 18.1 Pow r Supply Unit
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1.1.2 EARTH PROTECTION & GROUNDING - To pr v nt l ctric
shock, nsur that any Input/Output cabl s from EDB-2 VAP
ar conn ct d to amplification or signal proc ssing d vic s
( .g. mix rs ) with a continuous, unbrok n chain of mains arth
conn ction. Try to nsur that th mains supply at th v nu
off rs a viabl arth / ground conn ction. DO NOT disconn ct
any ground / arth wir on a mains pow r d d vic , mains
distributor/ xt nsion l ad, or wall sock t
1.1.3 MAINS PROTECTION - Always tak car to prot ct your
own lif and thos of oth rs along with your quipm nt by
using RCD circuit br ak rs and AC mains surg prot ctors at
ach sourc of th mains pow r. Circuit br ak rs should b
t st d prior to us . H adway r comm nds th us of mains
nois filt rs
Switch Off D.C Pow r Supply Unit and oth r conn ct d mains
pow r d d vic s and unplug wh n EDB-2 VAP is not in us
1.1.4 PREVENTION OF SHOCKS & DAMAGE - Do Not xpos
th EDB-2 VAP, its Pow r Supply Unit or attach d d vic s to
any liquids, such as rain/spilt drinks. If your EDB-2 VAP should
com in contact with any liquids, switch off at mains pow r
sock t, disconn ct and dry EDB-2 VAP and hands b for r us
SHOCKS WARNING - Switch off any sound quipm nt
imm diat ly, wh n v n minor l ctric shocks ar d t ct d
and s k a practical consultation from a qualifi d prof ssional
l ctronics r pair t chnician. Th us of radio microphon s
and th ir transmitt rs will limit th lik lihood of shocks. Us
gov rnm nt typ approv d radio microphon s on th ir
allocat d fr qu nci s
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1.1.5 VENUE WARNING - Avoid v nu s with susp ct l ctrical
wiring, damp or w t wir s and/or contacts or wh r sparks ar
visibl
1.1.6 CABLE & AMP PLACEMENT WARNING - Always plac
your EDB-2 VAP and associat d cabl s wh r th y ar visibl
such as via Mic Stand brack t to avoid hazard
1.2 SERVICING, REPAIR, RETURNS & LEGAL: All H adway
s rvicing and r pairs should b carri d out by H adway Music
Audio Ltd. or any approv d ag nts wh r applicabl . H adway
is not r sponsibl for damag incurr d by unauthoris d or non
approv d r pairs. Any att mpt to disass mbl EDB-2 VAP
without prior p rmission would n gat th 12 Month guarant .
Only th 12AX7 valv (tub ) and PP3 batt ri s or plastic knobs
ar us r s rvic abl parts
All r turns must b s nt pr -paid and any insuranc tak n
against loss is s nd r r sponsibility.
H adway will NOT b h ld r sponsibl for loss s in transit or
for duty and tax s incurr d. ( .g. wh r customs
docum ntation is compl t d corr ctly)
Customs D claration forms on r turn d products s nt
int rnationally, should b compl t d and could r ad, for
xampl :
"El ctrical Audio Amplifi r r turn d to Country of land d origin
(Poland or UK) for S rvic /R pair. Not for R -sal . .g. valu for
Customs = $ 39 ?
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Customs Classification & Cod - HS: 8518.10.40 . Unit will b
r turn d to s nd r"
If r turning product for r pair/s rvic you must includ : Your
full contact d tails including nam , phon numb r, full mailing
addr ss, mail addr ss s and a full d scription of any
probl ms. If claiming und r Guarant /Warranty you must also
includ : Proof of purchas cl arly indicating dat , busin ss
nam and addr ss of d al rs who sold th product wh n n w.
S Storag & Transport 1.8
1.3 CLEANING EXTERIOR OF EDB-2 VAP: Ensur pr -amp is
unplugg d b for cl aning with a slightly moist cloth. Do not
allow moistur to nt r unit and do not us ch mical or
abrasiv cl aning products. Do NOT allow moistur or liquids
onto valv or int rnal parts
1.4 PRODUCT LIABILITY: H adway Music Audio Ltd will not b
h ld r sponsibl for damag to its products caus d by th
subj ction to unr asonably high or low t mp ratur s or du to
w t conditions or for abus or mishandling. H adway Music
Audio Ltd. r tains th right to mak all such d t rminations
according to its own insp ction
1.5 CONSEQUENTIAL LOSS: H adway Music Audio Ltd will not
b r sponsibl for cons qu ntial loss or damag s such as du
to th us or misus of its products, accid nt, n gl ct,
t chnical modifications or unr asonabl xp ctations.
H adway Music Audio Ltd will not b h ld r sponsibl for th
application of phantom pow r wh r som oth r l ctronic
d vic may hav b n damag d. H adway Music Audio Ltd
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