Mod your Beresford 7520

[FireFly]

The THS4032 has a V offset of 0.5mV and a CMRR of 100dB

You can also compare THS4032 vs. LT1469.
CMRR of 100 dB vs. 112 dB
Or compare PSRR, or....

I am not listening to datasheets, I am only reading datasheets
But I am listening to music, not datasheets.
I don't like op-amps at all Not LT, not OPAs, not LM, not.....

Ordered TC-7520 today from you

Rather give some more details about power supply, PSRR figures and DAC chip used to turn me on and to prepare me on wild orgy with TC-7520

[leo]

I've ordered both of those LT devices to try in the differential to line out of my Sabre dac

I'll have to keep an eye on the DC offset though because I don't use any coupling caps

[apmusson]

I've ordered a pair of LM4562s on ebay after the good reports. I'd also like to test the THS4032s, but can't face learning getting a soldering iron and learning how to solder..

[trailer]

http://stores.shop.ebay.com/Tirna-El...__W0QQ_armrsZ1

This guy will do the soldering for you if you send him down the op-amps.

[StanleyB]

Rather give some more details about power supply, PSRR figures and DAC chip used to turn me on and to prepare me on wild orgy with TC-7520

In that case you gonna hate the TC-7520. It is not a trend follower of component specs. Even your high quality digital music files might sound analogue from a time when vinyl was king, instead of sounding like high quality digital audio files. You might even get to like USB audio, which is not a smart thing to repeat amongst audiophiles with expensive CD players...

Stan

[FireFly]

Stan, don't worry, I don't judge anything just by technical specifications. It is just curiosity.

I have bad habbit to rip apart & exchange parts in my audio gear after few days of listening. And it is very easy to work if schematic is available

[chebby]

I have had the TC-7520 for a couple of months now and it sounds superb. Very pleased. Thanks Stanley.

I use it with optical connected to a Panasonic DMR-EX78 DVD/HDD/Freeview recorder for DVD and TV sound and for Freeview radio, and have the USB connected to a laptop system for iTunes (lossless & 256k AAC) plus internet radio, BBC iPlayer youtube etc. All the usual settings on Windows/iTunes/Quicktime etc optimised according to my 'bible' on such matters, Benchmark Media Wiki.

I read with interest about the suggested LM4562NA upgrade and have invested my £7.49 today.

I am not at all skilled with soldering iron but I can cope with slotting two opamps into 8 pin adaptors! (I did the same on an old Firestone Audio Fubar II USB/Supplier set-up with a Burr Brown OPA2107AP and it sounded great afterwards.)

I already love the 'class-A' type sound of the TC7520. Smooth, detailed and spacious and 'forgettable' (in the nicest sense of course).

I has been suggested to me (on another hifi forum) that the LM4562NA op-amp upgrade will make the soundstage even bigger and provide more detail. I hope this is not at the expense of what I like about it already. I don't want to start 'hearing' it.

Looking forward to them being being delivered in the next few days.

I have also been advised to give the LM4562NA's up to 100 hours to 'run-in'. I don't normally give any credence to anything non-mechanical having a 'run-in' period so would like to hear from you on this matter. (I am prepared to have my mind changed.)

Oh yes....

Hello everyone. I am new here.

[apmusson]

http://stores.shop.ebay.com/Tirna-El...__W0QQ_armrsZ1

This guy will do the soldering for you if you send him down the op-amps.

He has done the whole thing for me. Ordered the THS4032CD opamps, supplied the caps and SOIC to DIL boards and soldered it together. Total cost inc p&p = £19.70.

Will let you know how it works out when I get it.

Ade

[trailer]

Excellent. It'll be interesting to hear others findings sound wise with different op-amps.

[Covenant]

I have had the TC-7520 for a couple of months now and it sounds superb. Very pleased. Thanks Stanley.

I use it with optical connected to a Panasonic DMR-EX78 DVD/HDD/Freeview recorder for DVD and TV sound and for Freeview radio, and have the USB connected to a laptop system for iTunes (lossless & 256k AAC) plus internet radio, BBC iPlayer youtube etc. All the usual settings on Windows/iTunes/Quicktime etc optimised according to my 'bible' on such matters, Benchmark Media Wiki.

I read with interest about the suggested LM4562NA upgrade and have invested my £7.49 today.

I am not at all skilled with soldering iron but I can cope with slotting two opamps into 8 pin adaptors! (I did the same on an old Firestone Audio Fubar II USB/Supplier set-up with a Burr Brown OPA2107AP and it sounded great afterwards.)

I already love the 'class-A' type sound of the TC7520. Smooth, detailed and spacious and 'forgettable' (in the nicest sense of course).

I has been suggested to me (on another hifi forum) that the LM4562NA op-amp upgrade will make the soundstage even bigger and provide more detail. I hope this is not at the expense of what I like about it already. I don't want to start 'hearing' it.

Looking forward to them being being delivered in the next few days.

I have also been advised to give the LM4562NA's up to 100 hours to 'run-in'. I don't normally give any credence to anything non-mechanical having a 'run-in' period so would like to hear from you on this matter. (I am prepared to have my mind changed.)

Oh yes....

Hello everyone. I am new here.

Personally I dont think much running in is required for op-amps, its capacitors that bed in after a period. Welcome by the way!