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EXPIRED   For Sale AudioValve Sunilda Phono Preamplifier

AUD $4,100
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Ad Details

Price

AUD $4,100

Product Type

Phono Preamplifier

Model Number

Sunilda

Condition

Very Good

Payment Method

EFT, Cash on Pickup

Region/State

(NSW) New South Wales/Australia

Suburb or Town

Leichhardt

Original Receipt Available

 No

Shipping & Pickup Options

Shipping:  Available
Pickup: Available

Auditioning

 Yes

Reason for Selling

Trade In

Further Information

Audiovalve Sunilda Phono Stage (MM/MC) - As Traded

 

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Pick up and audition available in Leichhardt, NSW. Please message to book an appointment.

 

Condition: Very Good (Some light marks on perspex)

Includes: Power Cable, PSU, Interconnect Cable

SN:0106 (Build 31-5-12)

Made In Germany

Note: No Warranty on Tubes

 

Overview

There is no hum, bee or any noise - only music. The design on a double side pc board is constructed in double mono technology, use best and selected components and guarantee high stable and highend vinyl re - productions.

Sunilda is a three stage phono-preamplifier, based on 6922 (ECC88) and 12AX7 (ECC83) frame grid tubes, suitable for two MM- and MC-cartridges at the same time. Independently for the two phono inputs, impedance and capacitive load can be set separately and 'on-the -fly' while listening. Thus the user can easily configure the unit to match the features of the cartridge by selecting the optimal input resistance and capacitance for each input separately!

Switches in front are found for: MM/MC mode for each input; input 1 or 2; selectors are used to select different resistor and capacitive input loads.

In MM mode the gain will be 23 dB lower than MC and at a fixed input-impedance of 47 K.

In MC mode the preamp will have 20 dB higher gain and switchable input resistors and condensers. The RIAA de-emphasis is passive and split between the first and second stage. Dividing the RIAA network over two amplification stages lowers the insertion losses of the passive network dramatically. Furthermore, the design holds a total absence of feedback, thus increasing the overall dynamics.

Power supplies are solid state regulated. This is the best way to obtain a low noise and supply line with a very low impedance that will increase the performance in the lower frequency range. The power transformer is housed in a separate aluminum case.

 

Specification

Gain: MM 41dB, MC 63dB ( 1Khz )
Input LOAD resistors: 47 R, 100 R, 220 R, 470 R, 1 K, 47 K
Input LOAD capacitors: 0 p, 100 p, 220 p, 470p, 1000p
Frequency Response: 20Hz to 65 KHz +/- 3 dB
Subsonic filter roll-off: 20 Hz
Max output amplitude: 14V pk
RIAA accuracy max.: +/- 0,18dB
Distortion: MM 0,24 %, MC 0,32% (1Khz - 2V out)
Noise: MM - 63dB, MC - 73dB
Circuit type: 3 stages single ended, buffered ouputs
RIAA network: passive 
Tubes: 2 x 6922 (6N1P), 2 x 12ax7
mode functions: Stand - by and mute
Power supplies: high accuray solid state regulated
Power transformer: outside housed
Power requirements: 115/230 - 245 Ac - 50/60Hz
Power consumption: Watts: 40 VA

ELECTRICAL DISCLAIMER

There are electrical safety standards that apply to private sellers (individuals) for both new and second hand equipment that connects to mains power. It is the responsibility of the seller to ensure their product being offered for sale complies with the electrical safety standards applicable to them for the country or state in which they reside. Click here for more information.


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