Pro-Ject "The Classic SB" DC Turntable w/New Sumiko Blue Point No. 3 Cartridge

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General:
Very lightly used belt drive Turntable fitted with Brand new Sumiko BP No.3 Cartridge perfectly calibrated.

More from Pro-Ject:
The Classic SB Superpack offers classic look and innovative high-end technology 
This turntable makes use of traditional frame design which was established by the famous turntable manufacturers of the 50’s and 60’s. It uses a compact simple and elegant form factor. The Classic SB Superpack incorporates a combination of approved belt drive design using a low noise AC motor with an ultra precision frequency DC-driven AC generator for ultimate speed stability. The Classic SB Superpack convinces with high precision dynamics and its rich details. For improved comfort an electronic speed change was built in, which lets you switch from 33 to 45 rpm (and vice versa) with the push of a button. Advanced technology is used for decoupling and the completely new designed tonearm.

Chassis & Subchassis
Like our famous Debut we wanted to create an easy to use “plug & play” product, but with better sound due to better isolation. Thanks to the modern damping materials TPE\* we are able to design a very effective, subchassis construction. Isolating the platter and tonearm from the resonances of the motor and main plinth is the target

Platter & sub-platter 
The heavy aluminium main platter construction utilises advanced thermo plastic elastomers (TPE\*) for optimising resonance behaviour. A drawback for most of the old designs was the platter. Casted platters all have been heavy (which is good for speed constancy and low wow and flutter) but suffered very much from ringing effects which again caused colouration of the sound. The platter of The Classic SB Superpack is precisely machined out of a special aluminium alloy again damped with TPE\*, which offers special damping abilities. The subplat-ter / main bearing construction we use is similar system as on the Debut. It is made of hardened steel/ Bronze bushing/ Teflon bearing mirror, which results in very smooth low noise running smoothness of the bearing. The main difference to the Debut bearing are the tolerances which are by factor 10 lower and therefore more precise (0,005%). Especially the subplatter is a very sophisticated part which is accurately machined and guarantees a very good isolation between bearing noise and the platter itself.

New carbon/aluminium tonearm 
The radical new designed Classic tonearm is the result of 25 years of experience in mechanical construction. The tonearm tube is made out of a sandwich of carbon and aluminium: carbon for stiffness and speed, alu for better damping. The cardan bearing assembly with pin-point zircon bearing provides ultra low friction. A new expensive Japanese base-ball-bearing allows a better lead of the tonearm wire and increases the free movement of the arm. The counterweight incorporates a TPE\* damper which allows us to reduce the amplitude of the tonearm cartridge resonance frequency by 50%. As typical for Pro-Ject and absolutely not standard at that price range we offer also azimuth and VTA adjustment to use a variety of cartridges. Different counterweight for cartridges up to 25 grams are available as an option.

SkyFi Cosmetic Notes:
Very good condition, light scratches/scuffs on side of unit.

Connections:
RCA outputs, Gorund Connection

General Sound:
Neutral sound with little to no coloration

Cosmetic Condition:
8/10 = Very Good. Excellent front faceplate, one minor flaw on chassis side or top. See our detailed rating description here.

Working Condition:
Working perfectly and calibrated on our custom turntable calibration stand.

Included:
Exactly as pictured and described above.

Packing:
Original Manufacturers Packing

Specs:
Speed: 33, 45 (manual speed change)
Drive principle: belt drive
Platter: 300mm aluminium
Mains bearing: stainless steel
Wow & flutter: 33: ±0,10 % 45: ±0,09 %
Speed variance: 33: ±0,13% 45: ±0,10 %
Signal to noise: 70dB Tonearm: 9” carbon/aluminium sandwich tonearm Effective arm length: 230 mm
Effective arm mass: 13,5 g
Overhang: 18 mm
Tracking force: 10 - 30mN
Included accessories: 15 volts DC / 0,8A power supply, dust cover Power connection: 110/120 or 230/240 Volt - 50 or 60 Hz
Power consumption: 5 watt max / < 0,5 watt standby

Dimensions:
462 x 131 x 351 mm (WxHxD)

Weight:
35 lbs.

Approximate Age:
2018

Link to Manual:
Click Here

Recommended Cables:
Kimber Kable - Phono Interconnects

Kimber Kable - Flagship Phono Interconnects

Testing Process:
First we try to identify any mechanical issues, particularly in the tonearm bearings. We check for freedom of movement or any resistance on both the horizontal and vertical range. There is a quick test for this which involves placing the table on its front edge and allowing the arm to swing freely like a pendulum. We then make any adjustments necessary to achieve minimal resistance and sometimes adjust the bearing pressure. On gimbal tonearms we inspect the cone tip with a magnifier.

We then assess the platter speed using one of several methods, the most accurate being playing a test tone on a test record and measuring the frequency output with a frequency counter or oscilloscope. We also utilize test equipment to measure the wow and flutter to ensure it is within spec. We do this for all speeds available for that particular model (33 RPM, 45 RPM, 78 RPM).

Adjustments are then made to achieve proper speed which will vary depending on the turntable's drive design. Some require an adjustment of an internal or external potentiometer, some will require a pulley or motor adjustment. We also inspect the platter bearing to ensure it is properly lubricated, keeping in mind that some bearings don't require lubrication at all

We then inspect the power supply and address any issues with overworked capacitors, particularly on Linn and later Thorens machines which tend to need attention.

On fully mechanical vintage tables like the Thorens TD-124 and Garrard 301/401 we will go thought the entire mechanism. Then replace any worn parts and lubricate all components necessary to ensure smooth operation, speed change, and low mechanical noise. 

When fitting a new phono cartridge we will go through our detailed calibration process which can involve as many as 12 steps depending on the tonearm design. We perform this work on our custom turntable calibration rig which was developed in-house.

Some of these steps include:
• Pivot to Spindle Adjustment
• Tracing Force
• Anti-Skate
• Tonearm Height
• Lifter Height
• VTA (Vertical Tracking Angle)
• Azimuth
• Stylus Distance and Overhang

We then do a critical listening test using our test records and our test system to ensure proper sonics.