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4175
Monitor Amplifier with Buffers
4840 Headphone Amplifier
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4175
Monitor Amplifier with Buffers |
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In
the case of the 4175, the board
consists of two balanced IN
& OUT
buffer amps totally independent
of the Power Amplifier.
The PSU provides regulated
outputs of +/-12v DC at a
nominal 750mA per
rail and further provides the
Power Amp with unregulated DC as
the
TDA2030 has built in regulation.
The board comes fitted with a
DIN41612
edge connector (type B).
The 12/0/12 ac voltage should be
fed via the DIN41612 Connector,
(pin
28 ct, Pin 30 12v ac, Pin 32 12v
ac)
The mains transformer can be
mounted on the board, if
required.
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| Stock no.
01-165 |
4175
Price: |
£63 |
| Technical
Specifications |
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Dimensions |
Standard
Eurocard 160mm x 100mm x 40mm
fitted with DIN41612 type B plug
(32/64). |
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4840 Headphone Amplifier
(4 x Line I/p, 8 x Line
Drive)
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Although
called a Headphone System the
board has a number of
applications.
Four balanced Line Inputs are
provided as well as eight Line
Drivers
(unbalanced, although they could
be balanced by the addition of
off-board transformers).
All amplifiers are independent
allowing the user to define his
own
application. Gain is provided
(+26dB) in the Line Drivers so a
fader
can be inserted between Input
amp and Output drive.
The outputs are low impedance
but we advise against the use of
very low
impedance headphones at high
levels, the 4075/4175 Monitor
amplifier is
better suited to this kind of
application
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| Stock
no. 01-170 |
4840
Price: |
£95 |
| Technical
Specifications |
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Dimensions |
165x134x15
(mm) |
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Supply |
+/-12
to +/-15v DC at 50mA (off load)
250mA (on load) |
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Response |
40Hz
-Response: 20Hz-20kHz +/-0,5dB
max |
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