Pro-Ject Audio Systems A1 - Maintenance and cleaning; Technical Specifications; Pro-Ject A1 Specifications; MM-Cartridge Ortofon OM10 Specifications

© Pro-Ject Audio Systems · Pro-Ject A1 · Revision 2022.01.05
7
5. Maintenance and cleaning
Your record player requires little or no regular maintenance. Remove dust with a slightly moistened antistatic
cloth. Never use a dry cloth because this will create static electricity which attract more dust! Antistatic
cleaning fluids are available at specialist stores but must be applied sparingly to avoid damage to rubber
parts. It is recommended to fit the needle cover (i) before cleaning or maintenance is carried out to avoid
damage.
!
Always disconnect the record player from the mains power supply as a precaution before maintenance!
Technical specifications Pro-Ject A1
Nominal speeds
33/45 RPM
Speed variance
33: ±0.75% 45: ±0.65%
Wow and flutter
33: ±0.27% 45: ±0.25%
Signal to noise
-65dB
Effective tonearm mass
ULM (ultra light mass) design principle
Effective tonearm length
8.3" (211 mm)
Overhang
19,5mm
Power consumption
1,5W
Outboard power supply
15V/800mA DC, suitable for your country's mains supply
Dimensions (W x H x D)
430 x 130 x 365mm
Weight
5,6 kg
Technical specifications MM-Cartridge Ortofon OM10
Frequency range
20-22.000Hz
Channel separation
22dB/1kHz
Output voltage
4mV
Recommended load impedance
47kohms/amplifier connection – MM-input
Compliance/stylus type
25µm/mN – elliptical
Recommended tracking force
15mN
Weight
5g
Technical specifications MM phono pre-amplifier
Gain
34dB
Output voltage typically
200mV/1kHz at 5mV/1kHz input
Input impedance
47kohms/100pF
Noise floor
-68dB
RIAA-equalisation curve accuracy
20Hz-20kHz / max. 0,5dB