F
INE
T
UNING
Once the V-200 is properly mounted, plug
the instrument into an amplifier and play at
a low volume. Carefully shift the V-200 a
small distance within the slot and test using
the trial and error method, listening for the
the best location.
NOTE:
If installation is to be permanent, a
small drop of adhesive on the side (lower
face) of the transducer can be used.
P
LUGGING
I
N
Due to the nature of passive pickups, the type of cable you use and the input you
plug into will affect the quality of your sound.
Instrument Cable
Cable lengths over 10 feet (before preamp) will cause audible high frequency loss.
Use a high quality, low capacitance shielded cable. This will ensure minimal tone
coloration and hum. Using fully shielded metal plugs will also help eliminate hum.
Kinds of Audio Inputs
Because of the lack of standardization for high impedance audio inputs, special
attention should be paid to what you are plugging into:
The V-200 Professional will sound best when plugged directly into an input with a 10
M
Ω
impedance; the full frequency response of the instrument is reproduced.
FIG. 2
FIG. 3
P
RELIMINARY
1.
Remove all rosin deposits from
the bridge of the instrument.
2.
Examine the bridge closely to
make sure that the wing slots
are free of warps or irregulari-
ties and that the slots present
flat parallel faces.
I
NSTALLING THE
P
ICKUP
Measure the opening of the wing slot on the bridge with a vernier caliper. The open-
ing should be between .060-.090" (1.5-2.3mm) for proper fit.
If the wing slot measures less than .060" (1.5 mm), employ a qualified repairman to
enlarge the wing slot.
If the wing slot measures more than .090 inch (2.3 mm), a small wooden shim may
be required. If so, use an adhesive to bond the shim to the "leg" face.
Slide the Transducer into the wing slot of the bridge (See Fig.1). Make certain that
the sensing element is in contact with the wing face and that the spring is in contact
with the corresponding "leg" face of the bridge.
The spring (made of tempered beryllium copper) provides the proper tension for a
snug fit in wing slots ranging from .060 inch to .090 inch (1.2 mm to 2.3 mm).
NOTE:
For best performance, the wing slot opening should be exactly .070" (1.8mm).
I
NSTALLING THE
C
ARPENTER
J
ACK
After fitting the pickup to the violin, locate the jack to the left of the chinrest on your
violin (See Fig. 2) and tighten it with the enclosed chinrest key (See Fig. 3). Be care-
ful not to scratch the side of your violin.
3
V-200 Professional Violin Pickup
4
V-200 Professional Violin Pickup
The V-200 Professional can also be plugged into inputs as low as 1 M
Ω
with
adequate results; the bass frequencies will be slightly rolled off.
Preamps
We strongly recommend using a 10 M
Ω
, impedance matching, buffered preamp in
conjunction with the pickup.
A matching preamp will:
1.
Realize the full frequency response potential of the pickup.
2.
Permit long cable runs (after the preamp) without signal deterioration.
3.
Allow precise volume and tone shaping with dedicated EQ.
4.
Ensure compatibility with virtually any instrument level audio input available.
Fishman Transducers manufactures a complete line of compatible
preamps, all with 10 M
W
inputs:
POWERJACK
- Miniature Endpin Preamp
MODEL GII
- Outboard Acoustic Instrument Preamp
PRO-EQ II
- 4 Band Acoustic Instrument Preamp
PRO-EQ PLATINUM
- Outboard Acoustic Instrument Preamp / EQ / D.I.
ACOUSTIC / BASS BLENDER
- 2 Channel Pickup / Mic Preamp
POCKET BLENDER
- 2 Channel Pickup / Mic Preamp
Musical Instrument Amplifiers
Most musical instrument amplifiers (at least 1 M
Ω
input impedance) will yield
useable results. Acoustic instrument amplifiers have a 10 M
Ω
Piezo input, ideally
matching the pickup.
Direct Boxes
You can plug the V-200 Professional into an "active" direct box (1 M
Ω
to 10 M
Ω
input) with very good results. Using a passive direct box will sound weak and thin.
PA / Recording Consoles
Professional PA and recording consoles have a much lower input impedance than
what is acceptable for the V-200 Professional ; you will need an impedance matching
preamp. Plugging a passive piezo pickup into a mixer without an impedance
matching preamp will sound harsh and thin.
5
V-200 Professional Violin Pickup
FIG. 1
