Owner manual

02/09
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 amplies the phono signal
to a clean, and full line level for professional ampli-
cation.
SPECIFICATIONS
I/ O Connectors: RCA, 1/8" TRS Stereo
Input Sensitivity: 35 dBV gain @
1kHz, 47k Ohms Input Z
Input Capacitance: 5pf + cable capacitance
Input Impedance: 50k Ohms
Output Impedance: 1 K Ohms
Max Output Level: >10dB @ 1kHz at at 1% dist.
Frequency Response: + / - 1.5dB 20 Hz - 20 kHz
(Conforms to RIAA
Equalization Curve)
THD .02% @ 1 kHz
S/N Ratio: >80 dB unweighted
PWR: 12 - 18 VDC
Size: 3.25 x 2 x 1.5
Weight: 1 lb
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
amplier.
OUTPUT: 1/8" Tip-Ring-Sleeve jack for connection to a stereo
amplier.
INPUT
OUTPUT
GROUND
PWR INPUT
OPERATION
Shown below is an example of how to connect your VP29.
To stereo
amplier and
speakers.
Pwr
Supply
VP29 PHONO PREAMP
VP29
PHONO PREAMP
VP29
PHONO PREAMP
VP29
PHONO PREAMP
- Home
- Studio
- Broadcast
... anywhere you need clean RIAA EQ to
professional line level conversion.
1
ROLLS CORPORATION
5968 S 350 W
Murray, Utah 84107
1
VP29.SCH
1 January 2009
Title
Size: Document Number:
Date:
Rev:
Sheet of
VINYL PREAMP VP29
Ba
VB+
VB+
V+
VB+
V+
LEFT
RIGHT
2
3
1
J2
JAPDC
D1
1N4001
C5
473
D2
LDRR
R1
100
C1
1K UF
R2
22K
R3
22K
C2
47U
2
J1B
RCAX4
C9
.0033
C10
820PF
R9 100K
5
J1D
RCAX4
4
6
J1C
RCAX4
R8 100K
C7
.0033
J4
PHONE 3.5mm
1
3
J1A
RCAX4
C3
10U
R6
2K
R5
47K
C4
1U
C6
1U
R4
47K
C11
10U
R11
2K
R10
1M
2
3
1
4
U1A
4560
6
5
7
8
U1B
4560
R13
1K
R12
1K
C16
503
C8
820PF
R7 1M
C13
47UF
C12
47UF
R14
4.7K
A
SCHEMATIC