T
AVISH
D
ESIGN
,
LLC
Made in U.S.A.
Classic Vacuum Tube Phono Stage (MM / MC)
Owner’s Manual (Assembled)
Page 1: ...TAVISH DESIGN LLC Made in U S A Classic Vacuum Tube Phono Stage MM MC Owner s Manual Assembled...
Page 2: ...uick Start 2 2 Safety Considerations 3 3 Setup Operation 4 3 1 Initial Setup 3 2 Operation 3 3 Tube Replacement 4 Technical Information 8 5 Warranty and Service 10 6 Copyright Trademark and Disclaimer...
Page 3: ...done this before 2 Connect your turntable to either the Moving Magnet MM or Moving Coil MC input and set the rear panel toggle switch to the corresponding position Default settings for the Classic Pho...
Page 4: ...e to run into the amplifier as this can damage the amplifier or create an electric shock hazard Do not operate outdoors or in wet areas Do not allow rain to enter the amplifier by placing the unit nex...
Page 5: ...are bent Moving Magnet or Moving Coil Input MM cartridges connect to the MM input obviously and low output MC cartridges connect to the MC input In general we recommend that high output MC cartridges...
Page 6: ...for some popular cartridges These are only a starting point Follow your cartridge manufacturer s recommendations or select the loading to suit your preference In selecting the capacitive load for a MM...
Page 7: ...able 3 3 MC Load Settings Cartridge Type Example Reference Output Input MC Gain Setting S3 1 2 MM Load S2 1 7 MC Load S1 1 7 MM AT95e 3 5 mV MM N A 47 pF 1001100 N A MM Ortofon 2M 5 5 mV MM N A 47 pF...
Page 8: ...tubes with the same type That is replace the 12AU7A ECC82 only with another 12AU7A ECC82 not with another type The only exception is the 5751 which can be replaced with a 12AX7A ECC83 if you can t fi...
Page 9: ...Overload defined as 1 THD level 19 V RMS into 10 k at 1 kHz 31dB overload margin Input Impedance Moving Magnet 47 5 k in parallel with fixed capacitance of approximately 35pF and adjustable capacitanc...
Page 10: ...ualization Accuracy L1 R1 L2 R2 L3 R3 L4 R4 L5 R5 Fig 4 1 Measured RIAA equalization error for 5 units with 5 sets of JJ tubes left and right channels Error is 0 5 dB from 30 Hz 20 kHz for all curves...
Page 11: ...fications not authorized in writing by Tavish Design lightening power surges or acts of God Use of parts not obtained from Tavish Design may void this warranty This warranty is limited to the replacem...
Page 12: ...lk New York 10501 info tavishdesign com 914 262 6988 6 COPYRIGHT TRADEMARK AND DISCLAIMERS Copyright Tavish Design LLC 2015 All rights reserved No part of this document may be reproduced by any means...