Rolls VP29 Specifications

conversion.
to EQ RIAA clean
PREAMP PHONO
PREAMP
PREAMP
PREAMP
VP29 Phono Preamp
- Converts RIAA Phono signals to Line Level
- Works well with magnetic phono pickups
- Stereo RCA and 1/8" outputs
Phono players require special equalization because
of the frequency response of recording on vinyl.
The VP29 equalizes and amplifies the phono signal
to a clean, and full line level for professional ampli-
fication.

SPECIFICATIONS

I/ O Connectors:
Input Sensitivity:
Input Capacitance:
Input Impedance:
Output Impedance:
Max Output Level:
Frequency Response:
THD
S/N Ratio:
PWR:
Size:
Weight:
level line professional
need you anywhere
Broadcast
Studio
Home
VP29
PHONO
PHONO
PHONO
VP29
VP29
VP29
RCA, 1/8" TRS Stereo
35 dBV gain @
1kHz, 47k Ohms Input Z
5pf + cable capacitance
50k Ohms
1 K Ohms
>10dB @ 1kHz at at 1% dist.
+ / - 1.5dB 20 Hz - 20 kHz
(Conforms to RIAA
Equalization Curve)
.02% @ 1 kHz
>80 dB unweighted
12 - 18 VDC
3.25 x 2 x 1.5
1 lb
02/09
Thank you for your purchase of the Rolls VP29 Phono Preamp.
The VP29 is designed to amplify an RIAA equalized phono signal
...
to a Hi-Fi level signal, and it works well with magnetic pickups.
-

INSPECTION

1. Unpack and Inspect the VP29 package
-
Your VP29 was carefully packed at the factory in a protective
-
carton. Nonetheless, be sure to examine the unit and the carton for
any signs of damage that may have occurred during shipping. If
obvious physical damage is noticed, contact the carrier immedi-
ately to make a damage claim. We suggest saving the shipping
carton and packing materials for safely transporting the unit in the
future.

WARRANTY:

For complete warranty information please visit our website at
www.rolls.com , and click on the Register Your Warranty Here
button.

DESCRIPTION

PWR INPUT: 12 - 16 Volts DC, tip negative jack.
GROUND CONNECTOR: Connects to the Ground of the phono
player
INPUT: Stereo RCA jacks for connection to the phono player
OUTPUT: Stereo RCA jacks for connection to a stereo system or
amplifier.
OUTPUT: 1/8" Tip-Ring-Sleeve jack for connection to a stereo
amplifier.

OPERATION

Shown below is an example of how to connect your VP29.

SCHEMATIC

Pwr
Supply
R8 100K
C7
.0033
C8
C3 R6
820PF
10U
2K
R7 1M
V+
R13
C13
4560
47UF
RCAX4 6
1K
J1A 7
U1B
1 5
C4 R5
1U
47K
R9 100K
RIGHT
C9
VB+
.0033
C11
C10
R11
820PF
10U
2K
LEFT
R10 1M
C12
R12
4560
47UF
RCAX4 2
1K
J1B 1
U1A
2 3
C6
R4
1U
47K
VB+
V+
C5
R1 D1 R2
J2
473 100 22K
1N4001
2
3
1 D2 C1
LDRR 1K UF
JAPDC
R3
R14
22K
4.7K
Title VINYL PREAMP VP29
Size: Document Number:
Ba VP29.SCH
Date: 1 January 2009
OUTPUT INPUT
GROUND
PWR INPUT
To stereo
amplifier and
speakers.
RCAX4
J1C
4
PHONE 3.5mm
J4
RCAX4
J1D
5
C16
503
VB+
C2
47U
ROLLS CORPORATION
5968 S 350 W
Murray, Utah 84107
Rev:
A
Sheet 1 of 1